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During winter, mountain caribou Rangifer tarandus caribou live in late successional and old growth coniferous forests, where they feed almost exclusiv...

Deformations of Engelmann spruce (Picea engelmannii) and subalpine fir (Abies lasiocarpa) trees were surveyed for the purpose of determining climatic ...

A study was conducted during 1990-96 to evaluate the reliability of aerial surveys to monitor trends in the breeding population density of ptarmigan L...

In many places in Europe, trees are currently far below their theoretical altitudinal limit because of past land use. However, under the current crisi...

In southwestern US forests, the combined impact of climate change and increased fuel loads due to more than a century of human-caused fire exclusion i...

The distribution of N, P, K, Ca, Mg and Mn in a 175-year-old Abies amabilis ecosystem is described and estimates of transfers within the system are gi...

The consequences of global warming and changes in resource availability were investigated in subalpine grasslands in the Pyrenees. These communities a...

Changes of grazing pressure and climate have been identified as drivers of woody encroachment in subalpine pastures, but disentangling their relative ...

A reconstruction of rate of spread, frontal-fire intensity and fuel consumption for the Galatea fire of Aug. 1936 in the Alberta foothills of the Cana...

Biological invasions represent one of the major threats to biodiversity conservation, especially in island ecosystems. Field-based assessments of the ...