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Acorn Launch Pad — an Outdoor Classroom Wildlife Habitat Installation

Jun 072017

Acorn Launch Pad is an Outdoor Classroom wildlife habitat installation at the Laguna Foundation‘s Laguna Environmental Center, or LEC, located at 900 Sanford Road, Santa Rosa, California, 95401. Date: June 6, 2017. School: Orchard View School, Sebastopol, California. Teacher: Sunny Galbraith. Me: Tony McGuigan, from Spore Lore.

Acorn Launch Pad, hereinafter at times referred to as “ALP” for brevity, is a 3-season wildlife habitat installation. The project evolved during the winter, spring, and summer months of 2016 into 2017. The installation highlight is to plant a valley oak tree between a hubba hubba hulk of a log and a 1000 pound Cold Water Canyon Rock slab. Will the valley oak (Quersus lobata) live to 500 years? Will the tree lift the rock slab as it grows? Not for me to know in 30, 40, 50 years from now, but perhaps the students planting the tree will.

1 Year, 5 Months Before Installation

Driveway of Laguna Foundation’s LEC (Laguna Environmental Center), east view. The gate is behind me about 50 feet. Note the rock patch left of the road, at the foot of the culvert pipe, and the juncus rush clump. Juncus (Juncus patens), culvert, and ditch — sounds like water to me! This lower area will make good wildlife habitat, providing habitat’s 4 elements — food, water, shelter, and a place to raise young. Juncus at the site indicates year-round water; the valley oak and critters living in the tree, under the rocks, and in the soil will use that water.

Same view as above pic, but along the fence. Not too early to envision the project; Permaculture principles entail waiting a year (12 months!) before working a site. This winter’s job is to watch the water — how much water from winter floods will fill the site AND where will the water line be?

Culvert pipe outlet, north side of driveway, which connects low-lying pastures so the driveway does not flood so quickly. Will take lots of rain to flood over the road. Note how thick (happy) the juncus clump is.

7 Months Before Installation

It’s been nearly a year waiting on harvesting wood for Acorn Launch Pad. Last winter’s wet wood (WWW — and nothing virtual about it!) has sunbaked dry, has become lighter. Lighter wood means we can harvest a larger, bulker, hulkier log or tree trunk. Took 4 hours to get Hulk (strapped at angle) into the truck. Note the plywood board under the rear tire — the soft November ground is soft and a tire rut left in the mud would look messy.

Digging bars keep the plywood in place as the truck’s wheel spins right.

Webbing straps secure Hulk to a perfectly placed telephone pole. Ready?! Set!

Go!!! Hulk, an oak tree trunk section, arrives home, about 50 feet from the installation site, which is close to the fenceline on the left.

5 Months Before Installation

So where’s that driveway road? Winter in Sonoma County means water, sometimes flooding. Note how Hulk rests in slightly higher ground above the culvert. Note the lushness of the terrain — hard to imagine that in six months it will be a parched dry golden brown.

Later that same January 2017 day; the water has risen fast. Yikes! Almost lost Hulk to the flood, but now we know where flood level goes to at the site.

2 Months Before Installation

A rock slab is placed on top of 3 smaller landscape boulders. The rock slab, “Rock”, is a 1000 pound (½ ton) Cold Water Canyon (local to Sonoma County) rock. Thank you Stuart Schroeder for the fork lift delivery! The 3 smaller rocks will slow down Rock’s sinking into the soil and will create cavities for critters under Rock.

Installation Day — Part 1 (6 weeks before Part 2)

The students from Orchard View School have arrived. Rolling Hulk on its side, we discover . . .

ants! Lots of ants. Busy, swarming red ants, that bite. Obviously, we will be destroying some of their habitat, most likely a nest built under Hulk, as we install another habitat.

Today’s outdoor classroom project is about mechanical advantage, mostly class 1 leverage. Left, a long metal pipe is toed into the earth and pushed forward, from the top end, to move Rock more centered on top of the 3 landscaping boulders below. A student (second from right) pulls Rock at the same time using a come-a-long. A third student (right) keeps Hulk in place; on the other side of Hulk (far right, out of photo) are digging bars and pipes to anchor the come-a-long. Note that Rock still sits on the fork lift skid/pallet that helped Farmer Stuart deliver it. The wood pallet creates a lot of catching resistance — all the more reason to use mechanical advantage.

Fine tuning placement of Rock and retrieving the come-a-long chain.

Students begin digging Hulk’s hole, near enough to the rocks so that the tree trunk section will surface and rest on the rocks.

Topsoil and weeds from the hole is thrown into the rock pile to create a rich foundation for planting the valley oak tree.

Extra logs are temporarily placed to help create a mound of soil up against the rocks.

A western fence lizard (tail and foot visible under the pallet) inspects the new Recreation Room.

Finished for the day. Acorn Launch Pad waits for the next work session. North view. Note that weeds and mud have been thrown against the rock pile. Also, the extra logs have removed from the soil-mounding area and are now placed into the hole started by the students to alert anyone walking in the field.

A lizard on its way to the rock pile.

The warm sunny rock has coaxed a lizard out. Notice the little rock alcove it basks in, complete with overhead shelter from predators.

Habitat it and they will come!

Installation Day — Part 2 — Completion on June 6, 2017

East view. Time to finish this job, 6 weeks later than scheduled. Soft adobe mud has turned into brick hard adobe mud. Today’s job is a different job than it would have been in soft-mud spring. Summer’s heat and dryness have hardened the heavy soil. But we can fix that!

North view. First order of business — get water to the hole so that the soil will soften. A garden hose is stretched out in the sun to warm while tools are gathered. Removing any kinks in the hose now will help increase water flow. Note the dryness of the terrain.

Collecting tools and water from the Laguna Foundation’s Nursery.

Spore Lore™ Mobile Hydration Station on truck. Hoses deliver water into Hulk’s hole started by students.

Close-up view of getting water to the installation site. The odd-looking dome screen above the barrels is merely to keep the sun-warmed hose from kinking; I ran out of hard pipe to plumb the siphon. 5-gal buckets of water are used to replenish water flowed out of the drums, before the siphon is lost — sure beats carrying the water buckets to the site!

And we have water!

Plenty of time for the hole to be filled with water. Time to take in the beauty of this pasture land, and time to imagine how this habitat might contribute to it. A good time to plan completion of the job, work some art into the finished product. The metal digging bar represents how Hulk is to rest. Catching the eye — visitors to the Laguna Foundation will spot the oak log from afar. Diagonally, and opening away from the road, the log is positioned to welcome visitors. And as for the critters visiting or living in Acorn Launch Pad, they could care less about such artsy stuff.

Metal digging bar representing Hulk’s position — close-up view. Hulk and Rock will form a “planting box” for Acorn (the acorns planted to seed the valley oak tree). Fill canyon (trench between Rock and Hulk), plant tree. Simple! Oh, that’s right, no such luck; I’m doing the digging.

A lizard climbs rock,

and stops. Perhaps to savor warmth? Perhaps to conceal, not give away so freely, its hideout and/or home. “Who me? I am not here. I have disappeared into camouflage.” Note this camouflage expert’s position. Is it coincidence that this striped animal rests parallel to a like-colored, bleached grass stalk?

Close-up of western fence lizard entering ALP. Note pattern, color, and texture of Lizard’s right arm. Now do the same for the lichen it has landed on. This guy is good! “Where’s dinner? I heard there were wood beetles, earthworms, and froglets here.”

Let’s do the Can Can! Driwater® hydration cans will provide time-released irrigation to young tree roots a year from now. Acorn is set for launch in Fall 2017. Winter rains will help mature the valley oak seedling. Time-released irrigation, using the Driwater® system, will water the seedlings through next late spring and next summer. [No statement here is by Driwater®.] Note the twine line — it was used to keep the cans in place and to “chalk line” surface level. In order words, the twine marks how high the soil will be mounded. Keep in mind that this view of the planting mound is looking through Hulk — Hulk will be installed up against these cans, parallel to them and will form a “planting box”. Note how the cans’ tops have been positioned above soil level. The top will be removed to fill the cans with Driwater® material. Note the oak limbs under and alongside the cans — mycorrhizal fungi trenches in waiting. Those small oak limbs will break down, rot, and become food and homes for soil creatures from today till Acorn is planted. Then, upon planting, the decayed oak limbs will support growth to Acorn through absorbing and holding water and by providing an enhanced mycorrhizal fungi network.

Oak Lake fills while weeds/topsoil are harvested into a storage bin (pond liners are lightweight and strong). The alive weeds/topsoil will be used used to dress Acorn’s adobe hillside.

Roadside trash harvested. These old tree branches are good organic material that will come in handy.

Oak Lake expansion. The water is about 6 inches below grade, just low enough to be contained in the hole and not overfill. Time is the most powerful working agent — the longer the water sits in the hole, the softer the adobe clay becomes. Note the planting of sticks in the center of the soil mound. Those antennae are broken roadside trash branches — wood that will absorb water, break down, and leave a more alive soil for Acorn.

More water. Now the digging is under water, sliver of mud by sliver of mud. Slow digging but doable.

Hulk flipped into position. Note the closer (foreground) digging bar — it provides our workhorse, leverage, and will pull Hulk to it.

Ready?! Set!

Perfect! Hulk has cleared the end of the hole and can be flipped in.

It’s a flawless half turn nose dive! Notice how much more hole there is surrounding Hulk. Hulk will be pulled to the closer shore, toward the red strap. Doing so will allow Hulk to rest parallel with the hydration cans.

Supporting logs floated in Oak Lake to provide more organic material AND to preserve precious backfill soil. More wood in the hole means less soil needed to fill it.

Persuader (sledge hammer) sinks another supporting log next to Hulk. Note that Hulk has twisted on its side. Each flip of Hulk produces a different rainwater collecting surface. Might not sound like much but every drop of rainwater is a big deal to the fungi, flora and fauna that will call Hulk home.

Hulk lays almost parallel to the can line. Half of the adobe mound in the background will line the bottom of the canyon wedge, ensuring that Hulk will absorb water/moisture during rain/fog.

Mudworks. Downhill side of Hulk filled in with Oak Bog (puddle) created to capture rainwater.

Our old friend, Culvert. A great place to collect straw.

Straw is used to cover the wet mud and to help the habitat blend into local terrain.

Finished! North view. Acorn Launch Pad wildlife habitat installation is in.

Closer view of finished habitat. Acorn will be planted at the blue flag, between Hulk and Rock.

West view of soil mound awaiting Acorn.

South view. Note that the hydration cans are hidden from road traffic.

East view. Note that the hydration cans are usable (the lids can be accessed) yet blend into the habitat’s features. The cans will be more hidden in high grass as the habitat fills in with Life.

See you in the fall to plant (Blast off!!!) Acorn.

Thank you, as always, to Sunny Galbraith, teacher at Orchard View School, Sebastopol, and her students. Also, much thanks to the Staff and Board of the Laguna Foundation, particularly the Restoration and Conservation Science Department: Wendy Trowbridge, Director; Brent Reed, Ecological Program Manager; Sarah Gordon, Conservation Science Program Manager; Paul Weber, Restoration Field Supervisor; Asa Voight, Restoration Technician II; Hannah Werdmuller, Restoration Technician; and Julie Skopal, Nursery Manager.

Enjoy your habitat installations. Habitat it!

Tony

Dark Soil Light Wood Saddleback — an Outdoor Classroom wildlife habitat installation

1- Residential Habitats -- Critters and Their Homes, 3- Habitat It And They Will Come -- Tony's book, 6-Outdoor Classroom, Blog No Responses »

Apr 212017

Dark Soil Light Wood Saddleback is an Outdoor Classroom wildlife habitat installation at the Laguna Foundation‘s Laguna Environmental Center, or LEC, located at 900 Sanford Road, Santa Rosa, California, 95401. Date: February 23, 2017. School: Orchard View School, Sebastopol, California. Teacher: Sunny Galbraith. Me: Tony McGuigan, from Spore Lore.

Dark Soil Light Wood Saddleback (now that’s a name!) hereinafter “Saddleback” installation.

The Plan, from 2 months before the project. Name change was inevitable; the students had not been consulted. Plan is North View. Our project, Saddleback, is under East Log and the mounding of soil/rock/plants between the two logs.

In a nutshell, Saddleback is a wildlife habitat installation using a large trunk section to shelter an underground tunnel that leads to a rock outcropping and the surface.

Dark Soil Light Wood Saddleback — The Before. North east view. February in Sonoma County means mustard! Note the swath of vibrant yellow mustard in the lush grass-happy cow pasture beyond the Laguna Environmental Center’s fenceline. The line of trees on the pasture’s north border is Irwin Creek.

Prep — 3 Months Before Installation

Saddleback is a sister habitat to a previous outdoor classroom wildlife habitat installation: Twisted North Mound. In foreground, a student removes clay soil from under East Log to build the soil mound behind him. The trench was then filled with woodchips for easy removal when East Log’s habitat is created (beats digging out clay soil!).

Prep — Installation Day — Before Students Arrive

Turkey tail fungus on the oak trunk of West Log.

Turkey Tail fungus.

Meadow barley (Hordeum brachyantherum) plugs that will be used for the project. These plugs are leftovers in the Nursery; their survival rate will be poor. But, some may live to thrive in the habitat.

A plug of meadow barley. Note the moss “weed”.

Scraping away woodchips from under the East Log. See “Prep — 3 Months Before Installation“, above. Note the earthworm at my fingertips.

Soil critters thriving in the moist decaying woodchips under (shaded from sun) in the previously made trench.

Scraping away woodchips to preserve their integrity. We want to keep the soil we move from mixing with the woodchips.

Shading the woodchip pile with landscape cloth to minimize soil microbe/fungus fatality. The partially broken down woodchips are richly impregnated with decomposers, that is, microbes and fungus and arthropods and gastropods that want to eat the woodchips, thrive in them. Would be a shame to kill off such biota while installing a habitat. The opaque landscape cloth will keep harsh sunlight from the woodchip dwellers.

Taking shape. The trench under East Log is deepened. Soil in the tub, from the trench, will be added to Saddleback when the meadow barley is planted.

Shopping for something organic, something ALIVE! at the Habitat Resource Pile (an old woodchip pile with buried treasures). Note the middle stump, adjacent to the eaten out stump in the foreground — it has lived inside a large woodchip for over 3 years, always covered by chips. Now it is ripe to pick and place in a wildlife habitat. The stump itself is alive — it is impregnated with Life.

Prying Middle Stump (think Middle Earth) from the Habitat Garden’s woodchip pile. Note the dark richness of its bed — Are these woodchips are is this soil?!

Habitat it and they will come! Lots of Life, critters seen and unseen, fungi, stored water and its biome.

Stored in a tub, the precious stump is shaded in a plastic barrel. The stump’s transfer to the habitat will be in a few hours.

Harvesting compost from Compost Cricket Corral, as mentioned in my last post, Centipede Tunnel Perch.

Prep. Clockwise from foreground: 4-15 gallon pots filled with Nursery-discarded potting soil (free!), West Log, Cold Water Canyon rock slabs (standing and on garden cart), Middle Stump in white plastic shaded bin, plants (behind East Log in shade), black plastic bin of topsoil from East Log trench, tunnel of corrugated perforated habitated (holes cut in for critter entrance/exit) 6″ ABS, palm fronds, black landscape cloth covered mound of woodchips, wheelbarrow (rusty) of compost with an algae covered log, wheelbarrow (blue) of compost.

A bonus gift! We have 5 juncus Juncus patens to plant. Juncus, a reed, loves water; their presence indicates year-round water.

Installation — Dark Soil Light Wood Saddleback

Students have arrived and gather woodchips that will be used to finish the project.

In goes the tunnel, a custom designed critter tunnel, “Each Exit/Entrance is about 6-8″ long and 2″ wide (2 corrugation trenches).”, as described in Centipede Tunnel Perch.

Decisions, decisions — it is a school day after all.

Critter tunnel in place. Note the spaced cut-outs. Are you [critter] in or are you out?

Old palm fronds, salvaged/harvested from the Habitat Garden Resource Pile, are used to line the tunnel. Accomplishes: 1) keeps tunnel in place, 2) installs Life-alive! biome to project, 3) provides critters with a moisture laden maze of cavities, and 4) empties the palm frond pile. Turn trash to treasure!

Middle Stump has a new home. Saddleback gets an infussion of life.

Adding more wood for the habitat’s cavern-filled mound. Also, scraping soil to cover tunnel/palm fronds.

Backfilling to plant up against East Log.

Moving a rock slab into Saddleback.

And another rock.

The goal here is to create a planting mound joined with the plants in the foreground, those meadow barley of Twisted North Mound.

Soil for the mound.

In comes a cavity maker.

Saddleback’s north side is about to get a rock slab that will create cavities.

North end of Saddleback sealed off with a rock slab. Middle Stump is really now in Middle Earth!

Mounding soil.

And the bin of topsoil.

Woodchips.

Time to reclaim the woodchips from the start of the project.

Planting meadow barley.

Each meadow barley plug is planted top flush with soil surface. Then the grasses are lightly surrounded with woodchips, enough to support the grasses but not so much to block sunlight.

Planting meadow barley and juncus.

Dark Soil Light Wood Saddleback — The After.

1 Month After Installation

A western fence lizard surfaces from within Saddleback.

Same lizard back inside and out another exit. Fun in the sun.

Enjoy your habitat installations. Habitat it!

Tony

Centipede Tunnel Perch — An Outdoor Classroom Wildlife Habitat Installation

1- Residential Habitats -- Critters and Their Homes, 6-Outdoor Classroom, Blog No Responses »

Feb 142017

Centipede Tunnel Perch — The Before. Northwest view. Previous installations in the Habitat Garden (nearest to farthest): Cookie Monster Perch, Garter Snake Ravine, Log Pile Apartments, Compost Cricket Corral, Big Splash Hotel and Spa, and Salamander French Drain, the last of which is nearly under the willow to the left.

Centipede Tunnel Perch is a wildlife habitat installed near the Habitat Landscaping Resource Center (otherwise known as the “compost” and “log pile”) at the Laguna Foundation‘s Laguna Environmental Center, or LEC, located at 900 Sanford Road, Santa Rosa, California, 95401. The installation was an outdoor classroom activity. Date: January 19, 2017. School: Orchard View School, Sebastopol, California. Teacher: Sunny Galbraith. Me: Tony McGuigan, from Spore Lore.

In a nutshell, this wildlife habitat installation is 3 tasks at the Habitat Garden. The Habitat Garden can be considered the collective of wildlife habitat installations, some of which are listed under the photo, above, and all the natural (organic) materials on hand. Most of those on-hand materials are the compost and branch/log pile.

1st Task — To get a large mass of wood buried deep into the soil so it will provide moisture to critters months after the rains have gone.

2nd Task — To use the soil dug from the wood’s hole to direct water to the wood.

3rd Task — To plant native sedge to hold the soil bank downstream from Centipede Tunnel Perch.

Prep — 3 Days Before Installation

Northeast corner of concrete slab behind the Nursery. Right: Garter Snake Ravine habitat with “weeds”, mostly the alien (non-native) Italian rye grass, an annual (per the local farmer, Stuart). Left: Log Pile Apartments and Compost Critter Corral habitats and Santa Barbara sedge (Carex barbarae). The students will be sheet mulching over the weeds and planting Santa Barbara sedge to cover both sides of the slab’s corner.

A pile of old straw is moved away to dig the deep hole for the habitat. Ultimately, a perch-like long piece of tree trunk will stand upright in the hole. The deeper the hole, the more stable the vertical post/pole will be. Also, the deeper the hole, the shorter (off the ground) the pole becomes. Grandiose towering structure VERSUS safety — always a hard weighing between the two! Note the old straw was left there to break down AND to keep the adobe clay soil moist, for digging such a hole. Wet/moisturize the dry, hard adobe clay soil one day and dig into soft, pliable adobe the next day.

A further note about digging here. The digging is horrendous at this site — all the more reason to be digging here. We will be unearthing the nearby road crew’s dumping of asphalt road grading, circa 1950’s, including many book-sized slabs of asphalt. That “worthless” soil will be our new treasure in creating a berm of soil to direct rainfall to the habitat.

A shovel head deep into the center of the Earth. Note the straw bale far right and the little berm of hole soil between the straw and the hole. That berm will help keep rainwater (we are expecting rain on installation day) away from the area. The installation area will be slippery enough without a running creek!

Prep — 2 Days Before Installation

Centipede Tunnel Perch’s perch has arrived, complete with safety cone hat.

Late morning rain. Perfect time to start work. Tomorrow, this new wildlife habitat will be installed by Orchard View students. Note this microcosm canyon. Our intention here is to capture as much water as possible and store it for as long as possible, so that amphibians would thrive here. (If amphibians can thrive, most other critter groups will have a fair chance of survival, too.) So, the adobe canyon, once a road crew dump, has become an adobe-lined, wood-filled water basin with outlet.

Regarding the habitat’s water outlet (mentioned in last paragraph), it is the height of the Santa Barbara sedge thicket, downstream from Centipede Tunnel Perch, that determines how far and wide Habitat Garden Pond becomes. Alas, a lake is born, on each good rain. As rainwater sits in the Lake, submerged wood will saturate that rainwater and store it. (Habitat Garden Adobe Canyon if you must have a name.)

Water! Precious stuff. So, rather than allow this road runoff rainwater to escape into the field downstream, through the double gate, a small soil berm will direct the rainwater to the Habitat Garden, to then be drained behind the Nursery and flow into the field. Either way, berm or not, the downhill field will get the water. With berm keeps the gate area dryer and brings water to the Habitat Garden.

Prep — Installation Day — Before Students

Installation Day. The soil is saturated with very little water in the hole. Perfect! I like easier digging. Note the black ABS tape on the posthole digger’s handles at 3-feet and 6-feet. The hole will be dug to the 6-feet mark.

Preparing to dig. Note that the wheelbarrow is lined with straw to cleanly dump the wet adobe soil harvested from the hole. The metal digging bar will straddle across the sides of the wheelbarrow and provide a knock-off edge for clearing out the posthole digger clams. Posthole digger in foreground (clams are at collecting end).

Muck removal on a bright shiny day. Note that the wood, blue-painted metal trench shovel (top) has its curve parallel with the curve of the posthole digger clam (below). The shovel will be flipped to clean the posthole digger’s right side, maintaining curve-curve parallel position. Note digging bar for banging the mud loose.

Dry Run photo op. Sizing the ABS 6″ corrugated perforated drainpipe Tunnel in the habitat.

Using a Milwaukee HACKZALL® to cut the plastic corrugated perforated pipe to install Exit/Entrance’s in the tunnel. Centipede Tunnel Perch includes tenancy options for critters using it. Eat, stay, have a family here, at least take a drink of water (meets the 4 elements of Habitat), then you can enter or leave through the many Exit/Entrance’s. Each Exit/Entrance is about 6-8″ long and 2″ wide (2 corrugation trenches). Note my boots are pinning the drainpipe up against the table’s leg posts.

Halfway done installing Exit/Entrance’s on this side of the pipe. The pipe will then be flipped over so that Exit/Entrance’s can be cut into that side, position alternating with the first side’s Exit/Entrance’s. Note the sawblade’s angle to ensure that both long sawcuts will meet.

The Tunnel is ready for installation. Exit/Entrance’s cut-outs collected in center.

View THROUGH the Tunnel to the concrete slab below.

Installation Day — The Students Are Here!

Removal of the adobe berm inside the installation zone. This soil will be the foundation for the road runoff berm.

Weeding the soil bank before sheet mulching. Weeds are dropped in place to keep the topsoil nutrients/microbes on site.

Thriving on a damp winter day. This outdoor classroom rocks! Takes a Village to support outdoor classrooms.

Progress of the hole. A lower platform has been stomped around the perch’s hole. That’s adobe! Note the rain workgear: mud boots and work-friendly rainsuit.

Your job (Yellow Slicker) is to stand here. And teacher Sunny did it so well while students pried Santa Barbara sedge plants from their pots. The sedge clumps were evenly spaced on the cardboard sheet mulching. Loose soil fill over the cardboard and between the plants will secure the plants in place on the bank.

Perch has been dropped into its hole. Note the ropes hanging on Perch. A triad of ropes was used to upright the tall, heavy tree trunk. One more rope was used to spin Perch after it vertically rested in the hole.

Students secure/stuff/wedge one end of Centipede Tunnel alongside Perch in the hole.

Inspection. And good news — Centipede Tunnel Perch passes. Note that the left end of Tunnel goes into the hole for Perch, toward moisture. The other end of Tunnel opens to ground level, under a log pile (or wood causeways if you are a cricket) where food (smaller critters) are plentiful.

Student stands on Tunnel while it is buried with old straw.

Foreground: Finishing touches for sedge transplanting — loose soil to fill in thin spots.

Background: Entire old straw pile is thrown at the base of Perch.

Trimming the sedge = twist and cut with pruning shears. The sedge leaves are used for mulch between the newly transplanted sedge bundles. Do plants have a feedback system such that dead leaves in the soil trigger growth? Always questions!

Students installing a temporary soil bank retaining wall. Short branches horizontal, saved-from-the-wood-bin stakes vertical. By the time these flimsy materials rot, like next year, the sedge bank will be glad to eat it up, glad to be nourished by the decaying wood. AND, most of that decay process will be from our Decomposer friends. Habitat it!

Sedge Corners. Note the tempory retaining wall of mulch material (little sticks, stakes, woodchips, soil). Perch is the blonde piece of wood on the far right of the tower of perches.

Centipede Tunnel Perch — The After. Note far right, the pooled water stopped from going to the gate by the new berm.

Hop, hop, and a few more. Wonder if my froggy friends will be at Habitat Garden Lake tonight?

Farmer Stuart moving hay for Stone Farm‘s plow horses.

Sedge Corners lookin’ good!

Centipede Tunnel Perch lookin’ good!

Time to call it an Outdoor Classroom Wildlife Habitat Installation Day! Time to give up the habitat to the critters. Time to go home, watch the receding Laguna de Santa Rosa leave the oak meadows along its banks.

Thank you, as always, to Sunny Galbraith, teacher at Orchard View School, Sebastopol, and her students. Also, much thanks to the Staff and Board of the Laguna Foundation, particularly the Restoration and Conservation Science Department: Wendy Trowbridge, Director; Brent Reed, Ecological Program Manager; and Paul Weber, Restoration Field Supervisor, and Julie Skopal, Nursery Manager.

Thank you to Aaron Nunez, the then Ecological Project Manager. Aaron has left the Laguna Foundation’s employment and is currently working elsewhere. Yay for Aaron! We teachers, students, and critters all appreciated his work while at the Laguna Foundation.

Enjoy your habitat installations. Habitat it!

Tony

Amphibian Amphitheatre Ravine — an Outdoor Classroom wildlife habitat installation

1- Residential Habitats -- Critters and Their Homes, 6-Outdoor Classroom, Blog No Responses »

Dec 232015

Amphibian Amphitheatre Ravine is a wildlife habitat landscaping project, an “installation”, that capitalizes on available moisture, on capturing pond overflow. This installation is another Outdoor Classroom monthly session with Orchard View School (Sebastopol, California) students and their teacher, Sunny Galbraith. Date completed: December 17, 2015.

The Laguna de Santa Rosa Foundation operates the Laguna Environmental Center, or LEC, on Stone Farm, at 900 Sanford Road, Santa Rosa, California, 95401. This wildlife habitat installation is in an open grassy area behind Heron Hall and east of the pond, down slope from Science Station Shelf.

Prep (before students)

The Before. West view of Amphibian Amphitheatre (AA), a swatch of slope outlined by a down-slope berm. Amphibian Amphitheatre will contain many wildlife habitat installations. One installation, Amphibian Amphitheatre Hollow, installed last month, creates the north boundary of Amphibian Amphitheatre. Weeds had thrived in the shallow bowl of a slope, which is being kept moist by the pond overflow, and perhaps pond water weeping through the berm surrounding the pond. Those weeds and topsoil were scraped to create the down-slope berm of the Amphitheatre; since then, weeds are poking through the berm soil and mulch of dead weeds. Installing a new wildlife habitat, Amphibian Amphitheatre Ravine, will 1) provide a means to collect water in this already moist meadow, and 2) kill back weeds so that starts of native plants will thrive until established.

Weeds poking out of the berm down slope of Amphibian Amphitheatre (left).

And more weeds in the center of Amphibian Amphitheatre. Straw mulch will be added on top of these weeds to kill them back.

Irrigation flags outline where students can walk, or not. The north west corner of Amphibian Amphitheatre is off limits — we do not want to disturb last month’s work — a patch of juncus plants and Amphibian Amphitheatre Hollow.

Straw mulch is scrapped away to reuse as mulch, that is, to remulch the area once the Ravine is dug and filled with wood. A hay fork was easy to use because it did not mix soil into the straw.

Using a hay fork to dig wet adobe soil. SOMETHING LEARNED! — I discovered how much easier digging the clinging, heavy adobe mud was with a fork instead of a shovel. When tossing a fork-load, the mud flew off the fork. So much easier than having to knock or pull mud off of a shovel.

Inch by inch, slowly the hole crept (got deeper). Note the clean (little-soil) piles of straw (top of photo) and the berm’s fresh topsoil ridge.

Progress for the work day. Note how high the berm is and the sun in the deep hole. Tomorrow, perhaps a little more digging, then the students will backfill the hole with wood and soil from the berm.

Tomorrow is here! Today is Amphibian Amphitheatre Ravine’s installation day. First job — collecting juncus patens from my (Tony’s) barrel ponds for transplant into the installation. Of all the tools shown in the photo, I wound up using only the bow saw.

By the hair! Holding up enough plants to lift the root mass out of the water with one hand, while cutting through the root mass with the bow saw with the other hand.

A bundle of juncus awaits transport to the LEC. Collected rainwater was used to keep the pond juncus thriving till transplanting.

Juncus bunches ready for Amphibian Amphitheatre Ravine. Note the buckets full of water to ensure the roots are not exposed to the air.

Installation Day, and we are starting with puddles of water in mud. Yuck! But such is exactly why we have chosen this sight as an amphibian wildlife habitat — available water. There was no rain last night at the LEC (CoCoRaHS says so for 12-16-2015, at rain gauge station Santa Rosa 6.7 WSW). This precious water either seeped through the Pond berm or collected from morning moisture draining down slope. Either way, the amphibians will love it, and breathe easier.

The start of prep day 2, view from over the berm (foreground).

Woodchips dumped along the berm will 1) create a thick mulch to inhibit weeds along the berm’s edge, and 2) give the students a relative height when they skim off the top of the berm into the Ravine.

Deeper goes the Ravine. 1) Note how the hay fork (left) is in the deepest area of the Ravine. Digging was slow — the heavy wet clay was hard to get to. Therefore, a concentrated hole (versus the entire length of the berm) about 3 feet X 3 feet was dug as deep as possible. “Possible” was limited by the length of the hay fork and my not falling in the hole. Original vision: the entire length of the berm would be very deep. Reality: the 9 square foot hole attained a good depth, that is, deep enough for the students to anchor a bird perch in. 2) Note how high the berm is; much more soil than we want to be left on the finished, wannabe-natural-looking berm. Because the students will have little time to back fill the Ravine, keeping the dug-out soil close at hand will facilitate replacing that soil. 3) Note the higher, larger mud/soil pile to the right of the berm with the hay fork at its peak. The second hay fork was used to slam the digging hay fork into. Even on the hay fork, the wet mud from the deepest area of the Ravine wanted to stick to the fork; slamming one fork against the other helped clear the digging fork. 4) The large end pile of mud/soil has a 2-fold stategy — a) a depository for excess soil to be thrown back into the hole IF more soil is needed, or b) a landscaped hill, higher and wider than the berm, if the soil is not needed/used. A win-win pile of mud! 5) Tools, a tree limb, landscaping boulders, and a vent pipe await the students to arrive.

Straw to walk on lines the Ravine “steps” and holds the soil/mud pile together.

Here come the woodchips, to be dumped on the side lines, ready for the students to mulch the Ravine. Note that more mud was tossed on the large end-cap soil pile, on top of the straw layer. Digging is now complete, done, finished!

Students at work

The LEC’s Woodchip Pile Annex — habitat installation logs, limbs, stumps, and rocks have been stored in the woodchips to promote soil-friendly resources. The Orchard View students have arrived and pull from the pile to fill Amphibian Amphitheatre Ravine with wood and rock.

Students determine how the Ravine’s floor is filled with wood logs and stumps, a collaborative effort.

Bring on the wood! More homes for critters and more water-wicks for plants. Note the Bird Perch climbing up the berm to the left; it is deeply anchored in the bottom of the Ravine. Critters will seek its water wicking wood, deep in the cool cool clay.

Securing Bird Perch.

Fine tuning.

Using Bird Perch to slide a large log in place.

Large stumps in Ravine will soak up water and slowly wick it between morning fogs and seasonal rain.

Redwood Burl Basin arrives. The dense redwood root burl has a shallow bowl, perfect for trapping water.

Tony pulls the vent pipe, a section of plastic 4″ corrugated drainpipe, into service.

The bottom of the hole, at the base of Bird Perch, is vented up to the base of the berm, using the black plastic 4″ drainpipe. Nice muddy boot!

All wood logs, limbs, and stumps are in Ravine. Time to back fill — equal parts soil and woodchip. Note 3 students working skimming off the top of the berm soil. 2 students adding woodchips. 1 student leveling off the large soil pile.

Fill, fill, fill. There will be plenty of nooks and crannies for critters under the fill.

Dressing up Amphibian Amphitheatre Ravine with plants — pick a partner! FRONT LEFT — water-loving juncus between logs and below the berm. Juncus can be periodically flooded; therefore, it is classified as a semi-emergent species. RIGHT — wild creeping rye (leymus triticoides) on the berm. BACK LEFT — more mugwort (Artemisia douglasiana) is planted along Amphibian Amphitheatre Hollow.

Not only does this student have five fingers on his left hand, but also Sonoma fieldstone boulders have been grouped around Redwood Burl Basin, which covers the vent pipe.

Dripping wet juncus is planted deep. In foreground, a line of rye plants are ready for planting.

The large soil pile at the end of the berm has been used to fill in Ravine; the berm and pile are level.

Woodchip mulching around the new plantings AND cleanup. Amphibian Amphitheatre Ravine wildlife habitat installation is in!

West view, looking out to the Pond Bridge and Observation Platform.

East view.

West view, close-up.

Nice job, Orchard View! Orchard View students and teacher Sunny Galbraith scan the Laguna Environmental Center — where will next month’s wildlife habitat installation be?

Final Touches (after students)

An hour after the students left, I caught this blue bird on Bird Perch as the sun set.

And the blue bird said, “Habitat it!”

Just a few days after installation, Amphibian Amphitheatre Ravine collects rainwater. Note the pooled water up against the juncus-planted berm. Water also pools on the other side of the berm, showing how low this area is.

Close-up of Amphibian Amphitheatre Ravine Lake. Happy plants, happy soaking logs and stumps!

Much appreciation to the Laguna Foundation’s Restoration and Conservation Science Program staff Wendy Trowbridge (Director), Brent Reed (Manager), Aaron Nunez (Tech II), and Paul Weber (Tech). And thank you, the Laguna Foundation staff in general, for welcoming and nurturing this Outdoor Classroom over the years.

Thank you farmer Stuart Schroeder of Stone Farm for the tractor work.

Enjoy your outdoor classrooms and wildlife habitat gardening.

Tony

Amphibian Amphitheatre Hollow and Science Station Shelf — two Outdoor Classroom wildlife habitat installations

1- Residential Habitats -- Critters and Their Homes, 6-Outdoor Classroom, Blog No Responses »

Nov 242015

Science Station Shelf, in the foreground with its rain gauge ready to be read, was one of two wildlife habitat installations to be installed during November’s outdoor classroom Biology class at the Laguna Environmental Center. The Biology students from Orchard View School and teacher Sunny Galbraith also installed Amphibian Amphitheatre Hollow, at the edge of the straw mulch, in the background. Date of installations: November 12, 2015.

The Laguna de Santa Rosa Foundation operates the Laguna Environmental Center, or LEC, on Stone Farm, at 900 Sanford Road, Santa Rosa, California, 95401. These wildlife habitat installations are in an open grassy area behind Heron Hall and east of the pond.

Prep (before students)

Objective Number One: Install a rain gauge. Use a large slab of wood to support the rain gauge post AND provide an underground shelter for critters. Project: Science Station Shelf.

Wendy Trowbridge, Director of the Restoration and Science Programs, wanted a rain gauge to be installed behind Heron Hall in an easily accessible place to be read daily. The rain gauge manufacturer, Productive Systems, gives specific instructions how to install the gauge. To start, the rain gauge is to be mounted on a post 20 inches above ground level AND the post is to have a 45-degree angle cut at the the top — the surface angle reduces raindrop splashback. No splashbacks! The slab of redwood pictured above will support the post while being buried in the shallow slope of soil behind Heron Hall. Critters will find their way under and use the “shelf” in the soil as shelter. Also, the wood slab will wick moisture long after the topsoil is dry. Habitat it! Note the square-like hole in the wood knothole — perfect for a post!

The original square-like hole in the redwood driftwood is fine tuned to accept the rain gauge post. Scrap metal is fashioned into a bracket to secure the post’s height through the post hole. We want the post tip 20″ above the ground + 3″ for soil/mulch to cover the wood base = 23″ of post length through the wood slab base.

Objective Number Two: Replace a thriving weed bog with a planting of native sedge and rushes. Also, install a swale/berm that will collect water for the plantings. AND, partially bury a hollow log in the swale to provide moist habitat for amphibians and other animals. Project: Amphibian Amphitheatre Hollow.

As can be seen from behind Heron Hall, most of the terrain is dry this time of year. The wet/green areas are irrigated, like around the pond (left) and behind the back wire link fence. Cow pasture is beyond the back (north) fence. The area we are concerned about for the wildlife habitat installation, Amphibian Amphitheatre, is the rich, thriving weedy area behind the picnic table (in the above photo). The moisture is most likely seepage from the pond to the west — water working its way through the soil berm that makes up the bank of the pond. This habitat installation will capitalize on that moisture.

Plants are thriving here. Too bad for us they are classified as weeds — undesirable plants. They will be replaced to make way for native plants to encourage native wildlife. Too many to pull! So, instead, the McCloud tool, (on wheelbarrow, will rake them to the side. The bulk of the greens/roots, and loose soil will be used to shape a swale on the downhill side of the gently sloping terrain. Sounds easier to do than to actually drag the McCloud and rip out the weeds!

Many weeds have been scraped from the belly of Amphibian Amphitheatre. Note the berms of built up weeds and soil to the east and north. Also note the rock pile on the western edge of the shallow bowl — that is the pond outlet (overflow pipe outlet) . The rock pile hides the 4-inch PVC pipe that allows the pond to overflow if the pond level gets to a certain height (the height of the pond outlet flow pipe at the pond’s edge). So, in a high-volume rain, this low area will receive not only rainwater from the sky and rainwater flowing down the slope of soil, but also rainwater from the pond’s overflow pipe. That is a lot of water!

It’s been a long day! Amphibian Amphitheatre is nearly scraped and shaped. The topsoil was generously scraped to more easily remove weeds and to also bulk up the berm that will surround the low area and help catch water flowing on the gentle hillside.

Bales of straw were tossed off of Stuart Schroeder’s hay wagon into Amphibian Amphitheatre. Broken up, and mulched, the loose straw will keep weeds at bay until the intended native plants can get a foothold. Also, the straw will wick moisture to the seedling native plants. Time will transform the straw into nutrients for the new native plants.

Straw used to smoother out long-established weeds.

“The Swimming Pool” — A thin layer of straw mulch interior AND a curvy thick edge on the downhill slope, made of straw “blocks”, against the weed/scraped soil berm. We kept the straw and the berm next to each other to smother out weds BUT did not mix the two material edges. We want as much of the soil on hand in the berm to receive either native plant starts or seeds.

The downslope berm of Amphibian Amphitheatre designed to flow with the gradient of the slope. The objective in the curvy edge is to simulate the slope’s high-water mark where flood debris would have created a berm over the years. Ultimately, the berm’s exact location will become hidden under a field of native sedges, rushes, grasses, and flowers. Till then, we pull weeds!

Northern, downhill, side of Amphibian Amphitheatre. Note the mix of weeds and soil in the berm and the homogenous, straw-only mulch layer. Time will tell how effective the mat of straw is to thwart weeds that where established, yet scraped into the berm. No chemicals used for all those weeds removed is a great plus. Poor native plant germination (from seed), high mortality rate of native plant transplants, and excessive maintenance will offset the enlightened non-use of chemicals — EVERYTHING has its costs. But rarely do critters get to weigh in — and my critter friends tell me that they would rather start with no chemicals.

The straw has sat on Amphibian Amphitheatre for one week, a rain has come and gone, Wendy Trowbridge has marked, via red flag, the position of Science Station Shelf. Systems are go!

Amphibian Amphitheatre Hollow has been stored under the woodchip pile (center, back) beyond Garter Snake Ravine ( left) and Log Pile Apartments (far left). The hollowed-out log has been dutifully awaiting transfer papers into a wildlife habitat installation. Today is its lucky day! Storing such wildlife habitat installation materials in an active, fungal spore-rich medium, like wood chips, increases the chances that a living log will be delivered to the wildlife habitat. Why not start with ALIVE?!

Students at work

Science Station Shelf

A student arrives in time to sledge hammer an angle bracket in place. The discarded shelving hardware is perfect to secure the rain gauge post to the redwood slab of wood. Sure beats sittin’ around the class!

Using post hole diggers to determine ground level, we measure how far to dig Science Station Shelf into the ground. The top of the post must be 20″ above the restored woodchip-covered ground.

The crew stops to listen for birds. Was that a Black Crowned Night Heron on its way back to the Laguna?

Measuring height of the top of the installed rain gauge. Perfect! Let the rain come.

Time to bury Science Station Shelf with returning topsoil, new and old woodchips. Note how the new resource, the woodchips on the tarp in the foreground, will be used directly over the wood shelf. The tarp will keep the new-look of the chips from disturbing the immediate area.

A good mud pile of the site ensures that the wood shelf will be “cemented” in place. Normally, best not to make mud, and drive oxygen out of the soil, but this shelf must be solid — scientists will be collecting rain gauge data daily. We want to ensure that they have sure footing on the shelf AND we do not want the rain gauge post to move at all. Mud is the answer!

Amphibian Amphitheatre Hollow

Pulling back the straw mulch from the inside of the berm to give us plenty of room to work. We want to get down to the soil to trench in a ten-foot hollow log, partially buried. Sedge and rush plants will grow alongside the water-wicking log and critters will have a long wood Quonset hut for shelter, for habitat.

The tree trunk section has been dropped into position for placement alongside the berm, and now rests alongside while habitat landscapers dig the trench that the wood will rest in. Shovelful by shovelful, the wildlife habitat comes into being. Note the woodchips on-hand; they will be used to dress the mugwort and sedge plantings. Note how the berm curves in the distance.

Decision time — have we dug enough? Will the wood log sit snuggly in the berm? Is there a welcoming entrance to the log’s hollow? Does the log look good in the hole? All answers = maybe! Note the displaced soil from the trench — a beautiful new resource to have for the plantings.

Yay, we are done digging. Amphibian Amphitheatre Hollow is in place.

Mudding in The Hollow. Students stand on the log to sink it into the mud cast being made for it. Easy work, if you can get it.

Shaping soil alongside the log and grading the berm.

Planting umbrella sedge (Cyperus eragrostis) starts from one of the Nursery trays; the flat of sedge starts is sitting on top of the partially buried Hollow log. The sedge will grow together tightly, providing a thick cover for critters. Also, 2 clumps (of 5 plants each) of mugwort, Artemisia douglasiana, were planted on the berm (foreground and left in photo). Critters will enjoy the mugwort seeds and the plants’ insectary nature will help keep the LEC buzzin’. How wonderful that the Laguna Foundation grew these plants on site in the Native Plant Nursery!

A student prepares to plant out a flat of juncus patens, or California grey rush. Juncus, like the nutsedge, can be periodically flooded; therefore, both plants are classified as semi-emergent species.

Everyone has a job — the plants go in quickly.

Amphibian Amphitheater Hollow gets watered in. Note the flare, a remnant from the tree trunk’s crown section, in the foreground.

Happy watered wildlife habitat.

Close-up of The Hollow’s above ground entrance. All critters welcomed! This “subway” tunnel ends at, is a way to get to, the buried, cool, damp, night-dark soil of the berm. “Thanks for stopping by. What’s for lunch? Oh, you ARE lunch!” [Hungry Snake].

Berm (left) — Amphibian Amphitheatre Hollow (center) — Amphibian Amphitheatre (right). Note the small rise/hill to the berm. Water draining downslope (from the right) or filling Amphibian Amphitheatre (from the pond overflow pipe) will pool at the base of the log up against the berm. Also note that the mugwort is given a dryer soil height than the sedge, which thrives from periodic submergence. [3 years future, during a heavy flooding rain]: A great blue heron walks the log looking for critters flooded out from under Amphibian Amphitheatre’s meadow.

Habitat landscapers were here! Juncus patens (foreground), nutsedge (surrounding The Hollow), and mugwort (in berm, ends of The Hollow). Note how heavily the bunching of juncus was mulched with woodchip and surrounding straw. While the 2-3 years that the woodchips break down, the juncus will have gained a head start on competitor weeds. Also, the mulch will gather and wick moisture to the juncus transplants to bridge dry spells. The sedge and mugwort plants are equally heavily mulched.

Done! 2 wildlife habitats installed AND the Laguna Environmental Center has a new rain gauge and outdoor thermometer. Nice job!, Sunny and your students, and long-time habitat landscaper helper, and me, Tony McGuigan.

Final Touches (after students)

Science Station Shelf

Wendy Trowbridge provided this link — the gathering place for daily country-wide rain gauge stations, which the LEC is now one of. The floating text/data box explains the blue dot — the daily data of the LEC’s station (Santa Rosa 6.7 WSW). November 24, 2015’s dot is blue because the Laguna Foundation’s Rain-Data-Scientist-of-the-Day (anonymity granted!) recorded 0.08 inches of rain that day. Rain! Glorious rain giving the LEC a good soak.

Opening the link “Go to report details” in the map (previous photo).

At the Habitat Garden

A gulf fritillary in Compost Cricket Corral.

Close-up of gulf fritillary butterfly in Compost Cricket Corral habitat.

A western fence lizard peeks out of the sitting bench in Salamander French Drain habitat.

Close-up of the lizard that was under the sitting bench. Note the contour and holes that insects carved into the wood of Salamander French Drain’s retaining wall. The wood surface itself is habitat for tiny critters, some of which might be prey of the lizards. Also note the blunt tail of the lizard — this lizard escaped a predator, leaving the predator with the broken off and wiggling tail section. The “tail drop” is called caudal autonomy. Lost a tail but granted another life!

Much appreciation to the Laguna Foundation, especially Restoration and Conservation Science Department staff Wendy Trowbridge (Director), Brent Reed (Manager), Aaron Nunez (Tech II), and Paul Weber (Tech). And thank you, Estrella Phegan, Nursery Manager, for sharing the space.

Enjoy your outdoor classrooms and wildlife habitat gardening.

Tony