Daniel Greenwood

The language of leaves

Posts tagged ‘Bavarian Forest National Park’

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Fungi Friday 10th July 2020

I went on a bike ride to the edge of a large woodland complex on Fungi Friday Eve (AKA Thursday). I went in hope of finding that mushrooms, after a fair amount of rain, were bursting forth from the soil, fresh and bright, ready for their close up. As usual I was wrong. There was pretty much nothing, not that I managed to make it into the best areas, it’s quite a trek. I did find some fungi though, a cluster of giant brackets that are there all year round:

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This is probably artist’s bracket or something similar. They live on decaying wood in living or dead trees. They are an important controllers of tree species and contribute therefore greatly to tree diversity in woodlands. Unlike what you might think, their presence does not always mean the tree is dying or that they are harming the tree.

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Birch polypore is a nice example of a tree-controller, a species which is commonly seen on birch. It has a fantastic scientific name – Piptoporus betulinus! It’s also known as razor strop, probably because people once used it to sharpen their knives (which were a day-to-day essential) in the way that you might use a piece of leather. That connection between people and fungi is one I think it’s sad we’ve lost. I wonder, is this still a living connection anywhere else in the world today?

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Bracket fungi, Bavarian Forest

Bracket fungi are something we’re losing from the wooded landscapes of Europe largely from the explosion of forestry in the past 100 years and an intensification of woodland management. The oldest woodlands I’ve ever been to (I know that doesn’t mean much) were covered in dead or decaying trees with large brackets. The Bavarian Forest, as seen above, was a fine example.

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Red belted polypore in the mountains of the Romanian Carpathian

One reason why we have less brackets is because large trees have not been left to live their lives to the full and beyond. Most trees in forests have a target age and size, bracket fungi are a pest in those places, not that most trees would ever get to the age where substantial brackets could develop.

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Red belted bracket in the White Carpathians, Czech/Slovak border

In the intensively managed woods of places like Czechia, it’s only a fallen tree stump that will give a home for a bracket.

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Białowieża Forest in north-eastern Poland

Possibly the most bracket-rich landscape I’ve visited is Białowieża Forest in Poland, famed for its ancient stretches of woodland and rich diversity of tree species, said never to have been logged. Not even by the Nazis invading in the Second World War.

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A small-leaved lime (I think) in Bialowieza Forest, north-eastern Poland

From experiences of visiting these rich woodland landscapes, a sign of brackets is often a symbol of a healthy ecosystem. The brackets are softening wood inside of trees which make a greater range of habitat niches for other life.

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Saproxylic invertebrates (those which live in or depend on dead or decaying wood) are the most threatened species group in Europe. Many of these insects have important, dove-tailing ecological relationships with fungi. The stag beetle is a nice example, a species which is born with its own fungus used to decay wood in its wood-boring larval stage (we’ve all been there). Woodpeckers are also dependent on this wood-softening created by bracket fungi.

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Old-fashioned forestry practices in the Romanian Carpathians

I read this week that furniture behemoth IKEA have been linked to illegally felled beech woodlands in the Ukrainian Carpathians. They are selling products in the UK made from timber felled with a licence approved by the FSC but which is in fact thought to be illegal. IKEA has been here before, not least for accusations of using timber from ancient woodlands in Karelia, a region in northern Russia. For the recent Ukraine story, please watch the excellent (and witty) Channel 4 report here:

The Carpathians are a mountain range that cut through Europe, fizzling out in Czechia, reaching their most epic heights in Romania. They are one of the most incredible landscapes Europe has to offer. They also cross through the Ukraine, where the high beech woodlands are some of the oldest in Europe. Recently some of these woodlands were designated as a Unesco World Heritage Site. As so often is the case, outlying areas can be prone to exploitation through illegal forestry operations.

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In 2015 I visited the Romanian Carpathians. My friend and I hiked out of the Transylvanian town of Sinaia and into the mountains. There we witnessed the logging of beech trees using horses. It was amazing to see, and something far more ecologically kind to a woodland, rather than using heavy machinary that destroys the soil (and all the fungi in it). We can only presume this was a legal operation. However, illegal loggingin in some of Romania’s most important woodlands has become so serious that rangers and woodland protectors have been murdered for attempting to stop it. The EU has to do more, as it did in protecting Bialowieza Forest from ecologically-illiterate forestry.

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Ancient beech and spruce woodlands in the Carpathians

We are dependent on fungi and woodlands to make our world inhabitable. There need to be core areas of woodland which are allowed to follow cycles which are not interrupted or undermined by economic activity like intensive forestry. We can play our part in conserving things from afar by knowing who we are buying products from and where they originate from. That said, it’s not made any easier for the woodland or the consumer if ancient beech woodlands are being converted to fold-out chairs under a Forestry Stewardship Council certificate.

Thanks for reading.

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In April 2014 I visited the Bavarian Forest, a landscape which, combined with the neighbouring Bohemian Forest in Czechia is the largest area of protected woodland in Europe. The Bavarian Forest or Bayerischer Wald, contains populations of lynx. In recent decades an outbreak of the spruce bark-beetle has devastated areas of conifer woodland. It is a remnant of the once vast Hercynian Forest.

The Bavarian Forest, Germany, April 2014

They burst from the slabs of granite like stony pillars. They are beech trees and they mask the view on all sides. They are giants imprisoning me on the path to Groβer Falkenstein. They are elephant limbs, they are victims of metaphor. Beneath them is a sea of copper and golden brown. The wind moves through last year’s fallen leaves and I think for a moment that it may be the sound of footsteps. Chunks of shining granite and smatterings of plant life break the spell of the endless leaves. Wood anemones, even this high, have opened their petals to the sun breaking through these yet leafing beeches.

I’ve travelled here over land and left the anemones coming towards the end of their annual cycle in London’s oldest woods. We have that in common, then, both species attempting to move through the woods of western Europe. Back home, I do my best to help them. Amidst my minute understanding of German and the feeling of isolation that brings as a lone traveller, I do get a sense of home from these white buttercups. Wood anemone is not the only plant to have made it up here, wood sorrel, one of the most common wildflowers in the Bavarian Forest, sits with its flower heads drooping, its leaves like the club from a pack of cards, still to be revealed. I continue on, touched by vertiginous thoughts as the path slaloms through the beeches, the mountainside steepening.

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A stream channels its music to my ear and the familiar spread of marsh marigold, a buttercup that I’ve planted in the marshy woods back home and dunked into my parents’ enamel sink-pond by the kitchen window. Yesterday I feared hypothermia in the snow around Zwiesel’s mountains but today I’m in a t-shirt and a large orange butterfly bursts across the stream. It drives around me in a circle, never taking a moment to rest, it must still be too cold for it to pause too long. Butterflies need a body temperature of about 32 degrees to fly and forage properly. They often hold their wings out to trap hot air and warm their hairy bodies. It’s not as simple a manner of basking as it may seem. I think it’s a silver-washed fritillary.

I have come to the continent with a sense of something missing from England’s wildlife. This butterfly is one that was more common in England but has declined. It is a butterfly of woodland rides, laying its eggs on dog violets, plants which grow in my front garden and in our local woods. Last August in London I visited the doomed Heygate Estate in the Elephant and Castle to shadow an invertebrate survey with local entomologist, Richard ‘Bugman’ Jones. Led through the fencing by private security guards with gigantic German shepherds caged in the boot, we stepped out onto the parkland under the shade of cherries and mature London plane trees. The flicker of a butterfly’s wing caught my eye and Richard threw his net into the air. Looking at the contents we discovered a silver-washed fritillary. I could not quite believe it.

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There is a sudden drop in temperature as I turn up the path, a chill wind skis across. In the shadows beneath boulders sits the remnants of yesterday’s snow. The spruce trees return, the snow thickening, slush on stone a recipe for serious injury. This is primary spruce woodland, or natural forest, formed without the helping hand of humans. However, the dominance of spruce lower down is due to the intervention of foresters (förster) in the first half of the twentieth century, as in England, when timber was needed to fuel either side of the world wars. It is telling – one of war’s casualties are woods.

From the boulders comes the drip of melting snow. Through the trees I see a large house that marks Groβer Falkenstein’s height of 1315m. A whisper passes through the highest spruce trees. A number of trees have been felled, the stumps cut with chainsaws. The ‘step cut’ in the stumps is still there, the torn wooden ‘hinge’ which the forester leaves intact and that helps guide the tree in the right direction when falling, throws up splinters.

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I hear voices, laughter and that peculiar zenith-community that exists atop well-attended mountains of this kind. Four happy Germans appear to be double dating. I sit on a picnic bench by a cleared space of spruce, the scene hazy at best, the cloud cloaking the valley below. I hear a dunnock singing, a shy garden bird that instead nests in dense upland spruce plantations in this part of Europe. I eat some nuts and chocolate and head past a lady walking a hund, to the other side of the peak. The snow is deep, I clamber over spruce trunks to get to a plateau. One path back down has been closed due to nesting peregrine falcons. In London, 2014 holds 27 pairs.

I take a seat down on some soft, dead grasses, all around me are the dead and rotting stands of spruce said to have been killed by a spruce bark beetle outbreak. Many of the trees have been allowed to rest for fungi and other smaller, subtler wildlife, one of any woodland ecosystem’s most important aspects – the recyclers. I take it all in – the hazy folds of mountains, the glistening rooftops of immaculate Bavarian churches and towns. I head off and down through the spruce woods, under the song of the ring ouzel and firecrest. This path will take me to the realm of the lynx.

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