For biodiversity to flourish, a wide variety of microhabitats is needed.  With many micro-habitats, more species are able to thrive. It may seem counter-intuitive but deadwood offers opportunities for a diverse range of species. Within a woodland, there are various types of deadwood, providing shelter and food for many organisms.  Perhaps one of the most obvious examples of deadwood is standing but dead trees.  If the dead tree was a veteran, then it will provide a variety of micro-habitats.  Holes and crevices may be used by bats and birds, the decaying wood will be colonised by bacteria and fungi, bracket fungi may erupt - whilst the bark will continue to offer a substrate for mosses and lichens.  As the wood decays, the material becomes a home for saproxylic beetles. Stag beetle larvae feed on decaying wood underground,  whilst the adults rely on fat reserves built up during their larval stage. Adults can ‘drink' oozing sap  and the juice of soft, rotting fruit. In the UK, some 650 beetle species are associated with deadwood [visit Dr Ross Piper’s website for full details of these insects].  As with many insects, many saproxylic beetles are threatened with extinction - due to the decline in the number of veteran / ancient trees.  Saproxylic beetles, apart from being important in the recycling of materials, are also food for birds and mammals. A previous blog has extolled the virtue of dead hedges.  Dead hedges are simply piles of branches and twigs arranged to create a barrier / hedge. They represent  a way of disposing of material that arises from thinning or clearing operations in woodlands. This ‘waste material’ of saplings and side branches are sometimes referred to as “arisings" by tree surgeons, or "lop and top” by foresters. Using this material in this way is good for wildlife, particularly for small mammals and birds - as it gives them somewhere to shelter from the wind and rain, and protection from predators. It's also good for insects.  As the material rots and decomposes, it adds humus / nutrients to the underlying soil. Larger pieces of wood from the felling of trees can be arranged to form a stack or pile, by simply laying branches and logs on top of one another  Such a stack wil rot and decay over time, but will provide a home to a variety of wildlife. So, deadwood in its various forms, is an important part of woodland ecosystems. It has a role in delivering biodiversity, but it also provides ‘ecosystem services’, such as soil formation and nutrient cycling. Deadwood contributes to the detrital food chain, which is driven by fungi, bacteria and detritivores.   Below : All that remains of a historic tree - the Wilberforce Oak. It was here at Holwood House (Keston , near Hayes, Bromley) in 1788 that William Wilberforce resolved to address the task of abolishing the slave trade. It took some twenty years for his vision to be realised. [Thanks to Ruth for images of the Wilberforce Oak] https://en.wikipedia.org/wiki/Holwood_House

Our wood in the Scottish Highlands is an amazing place to go foraging for fungi. Last year we had bagful’s of Chanterelles so we hoped for the same when we went up last week. Like every owner we have met, we do not get up there as often as we would like, but we had great expectations that there would be tons of tasty toadstools, more “Chants”, some Boletes, maybe a Blusher or two and hopefully our favourite:  Penny Buns! (Ceps, Porcini are other names for them). We have a natural Birch Wood (near Loch Ness), with a few other tree species thrown in like Rowans, Juniper and some alien Western Hemlocks (good cover when it rains).  At this time of year when the Birches are on the turn, it is just glorious. The greens, golds and vibrant yellows are interspersed with the fading Purple Heather and the odd bright red Fly Agaric or one of the many Russula species adding further interest and detail. As usual, checking the trailcams was interesting, mainly Roe and Sika Deer. I have two there but forgot where one was....a common occurrence.   I found Hedgehog Mushrooms, some Scarletina Boletes, Birch Polypore and Chaga; the Chants were scarce but enough for a hearty breakfast.  I had all but given up on the Buns, but found a really tiny one hiding under the heather. There had been more but they had been eaten, some snipped off at the base and one fat one whose cap was gone and the stem mangled beyond use.  I had a suspect in mind; reviewing the trailcam footage at home confirmed my suspicions.    A Wild Boar ate my Buns!

Mushrooms may be thin on the forest floor at the moment, but if you raise your eyes you can find more permanent fixtures higher up on tree trunks and stumps in the form of a surprisingly diverse array of tough and hard-wearing bracket fungi. It is a class I have tended to avoid, largely because many of them look so similar, but also because they can be quite difficult to manipulate into aesthetically pleasing photographic compositions. However, this is only if you look at them from a certain angle. Anyone who has ever expressed an interest in the mycological world may well be familiar with the frustrating habit some friends have of sending them “What is it?” messages alongside blurry smartphone snaps of the top of the nondescript muddy brown shelves of certain finds. The crucial thing one has to remember about bracket fungi is always to look underneath.  Read more...

 Some years back, the blog talked about a 5000 year old ‘mummy’ - called Otzi.   Otzi was a Neolithic man, and was found frozen, high in the mountains between Austria and Italy.   Careful examination of his body, clothing and possessions gives us some insights into his daily life and diet.  Otzi and, we presume, his contemporaries made good use of the plants and natural materials around them. Thus,  His bow was made from Yew  Ash provided his dagger handle  Woven grass and bast for his cloak (bast is made from the fibres of the linden tree) goats hide for his leggings and jerkin,  bear skin for his cap deer skin for shoes  arrows from a wayfaring tree and dogwood Read more...

Members of the kingdom of the fungi can essentially be divided into the two basic categories of basidiomycetes and ascomycetes. The basidiomycetes form and release their spores on specialised cells called basidia, which can be found on the underside gills of our more familiar mushroom and toadstool-shaped types, or within the pores of boletes and brackets and suchlike.  Ascomycetes, however, produce their spores in the elongated cells known as asci that cover their spore releasing surface. Each individual ascus can contain usually around 8 spores, like snooker balls in a sock, which then get released out of the end when ready: the word is derived from the Greek for wineskin or sac. Typically we might think of cup fungi, such as the various members of the Peziza genus, like the Blistered Cup (Peziza vesiculosa) depicted here, whose favoured substrates of well-rotted manure or compost heaps lends has led to its alternate common name of the Common Dung Cup.  Read more...

Bracket fungi encompass a host of species that typically grow in tough semicircular shelves on tree trunks, logs and branches, their mycelium consuming both the living and the dead wood within (although there are some soil-dwelling types that form mycorrhizal relationships with their hosts). For more on mycorrhizal fungi, see this previous posting on Fly Agarics.  The term has been applied in a general fashion to various examples on the basis of the physical form of the fruiting bodies rather than any genetic kinship. As such it includes such notable edibles as the Chicken of the Woods (Laetiporus sulphureus) also known as the Sulphur Shelf, and the grisly looking Beefsteak fungus (Fistulina hepatica), which oozes a blood-red liquid when cut (image at end of post). Read more...