Filters: Tags: M1-Ecosystems (X)817 results (26ms)
EFFECTS OF HISTORICAL TIMBER HARVESTING PRACTICES ON CARIBOU FORAGE LICHEN ABUNDANCE NEAR MARSH LAKE, YUKON - PHASE 1 FINAL REPORT
The Effects of Fertilization and Herbivory on the Phenology of the Understory Vegetation of the Bored Forest in Northwestern Canada
Prey Use and Selection in Relation to Reproduction by Peregrine Falcons Breeding along the Yukon River, Canada
Landscape level analysis of mountain pine beetle in British Columbia, Canada: spatiotemporal development and spatial synchrony within the present outbreak
Advance regeneration and trajectories of stand development following the mountain pine beetle outbreak in boreal forests of British Columbia
Categories: Publication; Types: Citation; Tags: M1-Ecosystems, R1-Vulnerability Forest Species and Communities to Climate Change
Monitoring coastal salt marshes in the Lake Clark and Katmai National Parklands of the Southwest Alaska Network
Categories: Publication; Types: Citation; Tags: M1-Ecosystems, P2-Changes in Plant and Animal Species Due to Climate Change
Methane Emissions from Natural Wetlands in the United States: Satellite-Derived Estimation Based on Ecosystem Carbon Cycling
Boreal mixedwood species composition in relationship to topography and white spruce seed dispersal constraint
Microhabitat associations of lichens, feathermosses, and vascular plants in a caribou winter range, and their implications for understory development
Effect of ecosystem disturbance on diversity of bark and wood-boring beetles (Coleoptera : Scolytidae, Buprestidae, Cerambycidae) in white spruce (Picea glauca (Moench) voss) ecosystems of Alaska
Abstract. We compared the species composition and species density of vascular plants in the understorey vegetation of boreal forest between Picea mariana (Black spruce) and Populus tremuloides (Trembling aspen) stands in British Columbia, Canada, and related differences in species composition and species density between the two forest types to dominant canopy tree species as well as a wide variety of environmental factors. We analysed 231 stands, distributed in three different climatic regions representing drier, wetter, and milder variations of montane boreal climate. Of these stands 118 were dominated by P. mariana and 113 by P. tremuloides. P. tremuloides stands had higher species density than P. mariana stands...
Importance of large woody debris for juvenile chinook salmon habitat in small boreal forest streams in the upper Yukon River basin, Canada
The importance of large woody debris (LWD) in forested stream ecosystems is well documented. However, little is known about LWD in northern boreal forest streams. We investigated the abundance, characteristics, and function of LWD in 13 small tributary streams of the upper Yukon River basin, Yukon Territory, Canada. LWD abundance was similar to values reported from temperate regions, whereas LWD size and total volume were well below values for the Pacific Northwest. LWD formed 28% of the pools, which provide important habitat for juvenile chinook salmon (Oncorhynchus tshawytscha Walbaum). The median diameter of pool-forming pieces was 17 cm, and ring counts on fallen riparian trees indicated that pool-forming pieces...