Sentences with phrase «growth lichen»
The interpretation of radiocarbon dates of charcoal material to infer fire dates requires knowledge on the long - term dynamics of old - growth lichen - spruce woodlands.
http://rstb.royalsocietypublishing.org/
(a) Old - growth lichen - spruce woodland more than 2000 years old.
Not exact matches
The paper took this form: Molecule X from lichen species Y inhibits the growth of cancer cell Z. To substitute for those variables, I created a database of molecules, lichens, and cancer cell lines and wrote a computer program to generate hundreds of unique papers.
As a calm voice told me of nibbling hedgehogs and soft lichen growth, I looked up at the network of tree branches above and felt an incredible sense of peace.»
From seed and spore dispersal, to rapid cell growth of eukaryotic organisms, and the pulsing cilia needed to sustain them, to the slow growth of lichens and moss - life has a remarkable way of establishing itself on the planet; yet, most of these processes go unseen to the human eye.
Rock weathering to remove CO2 and moss and Lichen growth for removal have not even been included in their models — and there are other natural processes they ignore, but it doesn't matter!
An evaluation of the former abundance of black spruce in lichen - tundra sites, based on distribution, number and growth form of charred standing or fallen dead stems was done in order to deduce the presence of woodland or krummholz stands at the moment of the last fire event.
The remaining 10 % is an exceptionally fire - free area composed of old - growth, lichen - Empetrum nigrum woodlands and krummholz (figure 7a, b), probably much older than 3000 yr according to 14C dates of the organic matter at the base of modern organic horizons (Payette & Morneau 1993).
Mosaic of post-fire old - growth woodlands and lichen - heath tundras in the background.