The dead trees are also sead to be used by the birds for territory marking. they can seat at the top of the trees, which being barran they get a better view and other birds can also see them madhuri
--- On Fri, 26/6/09, kiran srivastava <[email protected]> wrote: > From: kiran srivastava <[email protected]> > Subject: [indiantreepix:13817] Dead wood is good wood > To: [email protected], [email protected] > Date: Friday, 26 June, 2009, 5:04 PM > > Whilst looking at > the importance of snags and dead wood in Sanjay Gandhi > National Park(SGNP) in Mumbai I wanted to know how important > these were in our forests. > > A good > forest is where there are plenty of dead trees, scattered on > the forest floor waiting to rot in a natural way. Dead wood > is a natural and essential component of the forest > ecosystem. A multitude of species specialized in feeding on > dead wood, and the number of species eating these "dead > wood eaters" is even greater. Those groups of > coexisting organisms are dependant on a supply of dead > wood. > > Bacteria > and fungi and live on the dead wood. Many species of > insects feed on such bacteria and fungi. Those insects serve > as a food for other insects, arachnids, amphibians, > reptiles, birds and mammals. In addition fungi which > decompose dead wood are a host for other species of fungi > which parasitize on them. The organic matter that was once a > tree, passes through a chain of organisms and returns to the > environment, where bacteria and fungi decompose it to simple > chemical substances, that are again used to > "build" new generations of trees. > > The > first bird species that I can think of is the woodpecker and > several of them have a penchant for feeding on snags – I > have seen the beautiful Heart-spotted Woodpecker looking for > grubs, beetles, etc., on them. Hollow tree trunks can be > homes for woodpeckers, bees, other insects, as well as > rodents and small mammals. > > I read > that dead wood: (i) is > a source of nitric compounds needed for growth of plants > slowly released into the soil (ii) keeps carbon atoms which > delays the release of carbon dioxide (iii) enriches the > forest floor. > > Source: > http://nature.poland.pl/values/dead_wood/index.htm > Snags > are standing dead trees often with their top branches > missing. > Meanwhile, > look out for mushrooms and some bright and colourful fungi > on trees and fallen tree trunks. > Cheers, > Kiran Srivastava > Mumbai > > > > > > > Cricket on your mind? Visit the ultimate cricket website. Enter http://cricket.yahoo.com --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "indiantreepix" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.co.in/group/indiantreepix?hl=en -~----------~----~----~----~------~----~------~--~---
