a r t i c l e i n f o Keywords: Snowmelt metrics Depletion curves Western hemlock-true fir ecotone Generalized least squares regression Trend power analysis PDO/ENSO Pacific Northwest Snow cover pattern and persistence have important implications for planetary energy balance, climate sensitivity to forcings, and vegetation structure, function, and composition. Variability in snow cover within m...

The role that mycorrhizal fungal associations play in the assembly of long-lived tree communities is poorly understood, especially in tropical forests, which have the highest tree diversity of any ecosystem. The lowland tropical rain forests of Southeast Asia are characterized by high levels of species richness within the family Dipterocarpaceae, the entirety of which has been shown to form obl...

Background. The assessment of the structure cenopopulations early spring juveniles can be used during organization biological monitoring at population level. Such information is also applicable in assessing situation coastal ecosystems, for forecasting and reducing risk their violations.
 Purpose. Analysis viability Holosteum glutinosum to characterize stability plant communities “water-la...

We evaluated the floristic and structural composition of a tree community in an ecotone between Cerrado (cerradão) Atlantic Forest (seasonal semideciduous forest) domains located Porto Ferreira State Park (PFSP), southeastern Brazil. compared relationships this with those previous surveys carried out on same vegetation types checked species distribution among Brazilian biomes. sampled all livin...

Object based image classification is applied to assess the upward advance of tree species in Finnish Lapland caused by the current global warming. An automated Feature Extraction Module (Fx) implemented in ENVI is used to extract the tree crowns from a digitized panchromatic aerial photograph acquired in 1947 and a false colour aerial photograph from 2003 of an altitudinal foresttundra ecotone ...

A large proportion of Norway’s land area is occupied by the forest-tundra ecotone. The vegetation of this temperature-sensitive ecosystem between mountain forest and the alpine zone is expected to be highly affected by climate change and effective monitoring techniques are required. For the detection of such small pioneer trees, airborne laser scanning (ALS) has been proposed as a useful tool e...