MicroArk Project Invitation

An interesting comment was left here a few days ago. I am posting it to reach a wider audience because it sounds like an amazing opportunity to imagine and implement projects to make a difference. 

MicroArks! I love the sound of that.

Hi there! 

I'm lucky enough to have access to quite a number of native tree seedlings on an East Sooke property. The ones easiest to transplant are between 1-4 yrs old.

There are Red Cedar, Douglas Fir, Hemlock, Spruce, Alder,and Broad Leaf Maple in various quantities.

Also, Salal, Oregon Grape, Huckleberries, Ocean Spray, Salmon and Thimble Berries,and more.

At a Victoria location there are Garry Oaks, Arbutus, and Snowberries. 

There's also some duff infused with Mycorrhizal fungus and epiphytic moss, lichen and liverworts to innoculate the replanting sites. 

I'd really like to find carefully considered locations for replanting and long term care.

I transplanted about 50-60 with a small group of mostly kids a year ago but a repeat didn't happen due to Covid 19.

I'm hoping to connect with any people interested in some small scale, responsible, replanting collaborations in the next few months. Or even to simply discuss the concepts and processes involved.

I feel we need to establish some "MicroArks" consisting of groups of trees and their associated flora and fauna that are carefully considered and cared for.

They will provide examples to be replicated thus beginning the regrowth of truly natural forests for perpetuity.

Thanks for your interest!

Paul Winstanley

Spectrafocus

20/1/21

paul@spectrafocus.ca 250-899-9285 

Magical Mossy Maples

It's the season of the Moss in the Pacific rain forest

Rolling stones gather no moss, but trees sure do. Now is the best time to see the display of aerial gardens in the Pacific rain forest. These epiphytic plants  hang from the trunks and branches of trees in a display that may only be rivalled by the Fangorn Forest itself.

Especially cloaked in the temperate rain forest are the Big leaf maples.

The climate is mild enough that there are plants growing year round here. Some species thrive in the mild winter temperatures. Included in this category would be a wide variety of mosses and some ferns.

Moss-dripped trees are reminiscent of Tolkien's Fangorn Forest.

During summer droughts moss goes into stasis until relieved by fall rains. Then through the slide
toward the shortest day of the year the moss gains a robust, puffy green that is best enjoyed this time of year.

Big leaf maple also has an association with the epiphytic licorice fern.

The association between moss and the maple trees is mutually beneficial for both. Nature is expert at ensuring such win-win interactions between species.

The moss gets a scaffolding on which to grow and thrive. These "air plants" are able to absorb water and nutrients from the atmosphere, rain, and bits of forest debris. What does the tree derive from this symbiotic relationship?

The Big leaf maple has the ability to grow "canopy roots" from the tops of their branches up into the rafts of moss, thus gaining water and nutrients from them.

Just like in Tolkien's Middle Earth forest, there is magic at work in this world's Pacific rain forest.

Old Man's Beard Weather Station

Old Man's Beard lichen indicating a WNW 40 knot gale, 8 on the Beaufort Scale

I don't need the weather person to tell me which way the wind is blowing. I have long, straggly bunches of lichen hanging from an old Douglas-fir in the front yard for that.

Usnea, a common type of lichen, also called Old Man's Beard, grows on tree branches. It is made up of a fungus and an algae in a perfectly cooperative, sustainable relationship that humans would be wise to emulate.

The main body that the partners form is called the lichen's thallus, which is the part we can see. Old Man's Beard has a long, threaded thallus that gives the coastal rain forest a classic, drippy look whether it is raining or not.

Old Man's Beard hangs on a calm day

Usnea is edible (with caution), and has been used medicinally for a thousand years for its anti-bacterial properties, but that is not why I like it. I like it for its use as a 100% natural, accurate, weather station.

When I look out at the storm-twisted Douglas-fir in the yard, and the great strands of greenish-grey lichen hanging from its sweeping branches, I can get all the weather information I need.



Here is what the Old Man's Beard weather station tells me:

• If thallus is hanging down - calm weather prevails

• If thallus is blowing horizontally - gale force winds

• If thalus is wet - raining

• If thalus is dry - no rain

• If thalus has light on it - sunny

• If thalus dies - poor air quality

Big Leaf Maple Comes By Name Honestly

Large Big leaf maple, San Juan Bridge Forestry Service Campground

The largest known Big leaf maple in the province of BC grows on the lower mainland in Vancouver's city-center Stanley Park. The big-leafed big tree is 10.70 m/35 ft in circumference, 29 m/95 ft in height, with a crown spread of 19.5 m/64 ft, and 533 AFA points. Stanley Park has champion maples galore with 5 more on the list of BC's 10 largest Big leaf maples.

That's not to say that Vancouver Island doesn't have some large maples of its own, like the epiphyte-draped tree shown above. This tree is in the same area as the more famous San Juan Spruce, the largest spruce tree in Canada. The Big leaf maple is a short distance away, dominating the center of the campground, and looking like something out of a Tolkien tale.

Big leaf maple leaves/seeds

The Big leaf maple (Acer macrophyllum), is the largest maple in Canada, and the largest deciduous tree in the coastal forest. This tree lives up to its name and produces giant leaves as large as a medium pizza.

A favourite fall activity on the coast is getting out into the forest to see who can collect the largest leaf. Not surprisingly, the winner is usually found in Vancouver.

The largest maple leaf currently on record measured 53 cm (20.86 in) wide and 52.2 cm (20.55 in) long and was discovered by Vikas Tanwar and family in Richmond, British Columbia, Canada, on 14 December 2010. 

Big Leaf Maple Facts

• grows up to 40 m tall, with leaves possibly up to 60 cm wide
• in forest has narrow crown with single branch free trunk and small narrow crown
• in open trunk branches low down into many branch trunks growing into a large crown
• restricted to southwest corner of BC low to mid-elevations
• like gravely moist soil as beside rivers and lakes
• grows in mixed forests
• older trees are draped in mosses, ferns and lichens because the bark is rich in nutrients and moisture
• the tree will extend roots up from the branches into the gathering moist material resting on them
• older trees are notorious for dropping large limbs

Nurse Stump

Nurse stump in Goldstream Park, Victoria

The rain forest is a rich, green vertical column of rapidly growing life. Here some of the biggest trees in the world thrive in the moderate, wet climate. Year round the growth and the life continues, carpeting everything in a thick, luxuriant moss. Everywhere you look there are things growing on other things.

The nurse stump above is of an ancient Western red-cedar. Hundreds of years old when it died, the wood is so rot-resistant that it could last hundreds of years more as a stump. Before the cedar stump breaks down it may be engulfed by the new cedar growing on it.

Nurse logs, nurse stumps, and abundant epiphytes (plants that grow on other plants) - everything is growing on everything in the coastal rain forest.

Major Moss In B.C.'s Coastal Forests

This giant Douglas-fir snag makes a perfect scaffold for the moss

Fluorescent green flashes catch my eye whenever I am out in the forest. It is not surprising as anything that doesn't move in the coastal forest gets covered in deep, luxurious moss. Actually, I can say that even things that roll grow moss in the rain forest - my vehicle is slowly turning green. If left long enough it would disappear entirely, as would I if I ever fell on a hike and couldn't get up.

Detail of tree above showing a Western hemlock seedling growing out of the moss

British Columbia possesses the richest diversity of mosses, or bryophytes, in Canada. The amazing diversity of this large group of special non-flowering green plants is due to the varied terrain  of the province, as well as historical developments that led to holdovers surviving from before the last ice age. B.C.'s huge collection of mosses is greater than the combined mosses of all of the U.S. west of the Rocky Mountains. That's major moss.

The moss on big trees can be several centimetres thick, and cover the bark completely

This time of year the mosses are hydrated and at their colourful best. Moss can hold a whopping 25 times its own weight in moisture. They are efficient sponges which can add tons of weight to the limbs of an old tree, making them more susceptible to wind damage.

Old Bigleaf maple branches grow a covering of moss and ferns

Mosses are a special kind of green plant because they are non-vascular, meaning they do not have xylem or phloem (tissues that transport water and nutrients) like trees and other vascular plants. The Bryophytes are sometimes referred to as "lower" plants because they evolved earlier in the history of green stuff on the planet.

Winter, when trees don't have leaves, is a good time to see the full extent of the moss

The mosses shown here are all epiphytes, meaning that they do not harm the trees they are growing on. The base of trees provide a scaffold for the moss, but the moss derives all its nutrients from the air and rain, not from the tree. Mosses do not have true roots, only root-like threads called rhizoids. In the summer, mosses can dry right out. They survive by lowering their metabolism until the rains come again to fluff up the green cushions.

Could it be Amblystegium serpens, or Creeping feather moss?

Sometimes moss seems like it is from a different planet. Mosses are a varied, wonderful, and ubiquitous part of the coastal forest. So many different types of moss growing in so many different shades of fluorescent green. Just remember to keep moving out here or you may find yourself turning green.

Resources

For a good introduction to B.C. mosses see:

Schofield, W. B. 1992. Some Common Mosses of British Columbia. Royal BC Museum Handbook. Queen's Printer, Victoria, BC. 394 pages. Illustrated.

Big Leaf Maple Epiphytes

An epiphyte is a plant that grows upon another plant (such as a tree) non-parasitically. Big leaf maples provides a scaffolding for moss, fungus, ferns and other plants. Rather than take from the tree, all the accumulated debris and plants are a benefit. Over time small roots grow up from the maple's branches to infiltrate the material growing on them, receiving water and nutrients.

Old maples often hold more kilograms of epiphytes than kilos of maple leaves, creating a (heavy) multi-coloured garden in the air. (Click on photo to enlarge.)