Results 61 to 70 of about 109,024 (352)
Remote Sensing, 2018 Western Alaska’s Yukon-Kuskokwim Delta (YKD) spans nearly 67,200 km2 and is among the largest and most productive coastal wetland ecosystems in the pan-Arctic. Permafrost currently forms extensive elevated plateaus on abandoned floodplain deposits of the
Matthew A. Whitley +5 more
doaj +1 more source
Fire-induced changes in soil and vegetation in the forest-tundra of Western Siberia [PDF]
E3S Web of Conferences, 2020 Wildfires are one of the main factors for landscape change in tundra ecosystems. In the absence of external mechanical impacts, tundra plant communities are relatively stable, even in the face of climatic changes.
Sizov Oleg +4 more
doaj +1 more source
The Anatomical Record, EarlyView.Abstract The Pleistocene is a key period for understanding the evolutionary history and palaeobiogeography of the European rabbit (Oryctolagus cuniculus). The species was first documented in southeastern Iberia at the beginning of the Middle Pleistocene and appears to have rapidly spread throughout Southwestern Europe, where it was found in numerous ...
Maxime Pelletier
wiley +1 more source
Comparative patterns of winter habitat use by muskoxen and caribou in northern Alaska [PDF]
, 1992 Thesis (M.S.) University of Alaska Fairbanks, 1992Snow depth and hardness strongly influenced selection of feeding zones, (i.e., those areas used for foraging), in late winter by both muskoxen (Ovibos moschatus) and caribou (Rangifer tarandus grand) in ...
Biddlecomb, Mark Edward
core
Remote Sensing, 2016 The Arctic is currently undergoing intense changes in climate; vegetation composition and productivity are expected to respond to such changes. To understand the impacts of climate change on the function of Arctic tundra ecosystems within the global ...
Scott J. Davidson +6 more
doaj +1 more source
Influence of allochtonous nutrients delivered by colonial seabirds on soil collembolan communities on Spitsbergen [PDF]
, 2012 Despite a widespread recognition of the role of seabird colonies in the fertilization of nutrient-poor polar terrestrial ecosystems, qualitative and quantitative data documenting any consequential influence on soil invertebrate communities are still ...
Convey, Peter +5 more
core +2 more sources
The Ghost of Development Past: the Impact of Economic Security Policies on Saami Pastoral Ecosystems
Ecology and Society, 2011 To ensure economic viability over time, any efforts to meet the Millennium Development Goals need to reconcile conservation with development interventions. Particularly, in marginal and risk prone areas erosion of resilience could make production systems
Vera H. Hausner +8 more
doaj +1 more source
Biological Reviews, EarlyView.ABSTRACT The ecology of forests, their losses, and terrestrial wood decomposition dynamics have been intensively studied and reviewed. In the aquatic realm, reviews have concentrated on large wood (LW) in rivers and the transition from freshwater to marine environments in the Pacific Northwest of North America. However, a comprehensive global synthesis
Jon Dickson +9 more
wiley +1 more source
Ecological connection between fish preference in the diet of Siberian cranes and their incubation period in tundra zone [PDF]
, 2012 We researched the ecology of the third rarest crane species, Siberian crane, which breeds in northern-eastern Siberian tundra. Nesting in places near great lakes, this crane appears to be an indicator of the global warming processes that affect lake ...
Inga Bysykatova +2 more
core +1 more source
Mid-Miocene cooling and the extinction of tundra in continental Antarctica [PDF]
, 2008 A major obstacle in understanding the evolution of Cenozoic climate has been the lack of well dated terrestrial evidence from high-latitude, glaciated regions.
Ashworth, A.C. +12 more
core +1 more source