Rapid warming is predicted to increase insect herbivory across the tundra biome, yet how this will impact the community and ecosystem dynamics remains poorly understood. Increasing background invertebrate herbivory could impede Arctic greening, by serving as a top鈥揹own control on tundra vegetation. ...
Status and trends in Arctic biodiversity.:Terrestrial Ecosystems. – Chapter 12 N2 - The Arctic tundra biome is geographically restricted to a strip around the margins of the Arctic Ocean. A key force determining the tundra biome's zon... P Wookey 被引量: 18发表: 2013年 Distribution, ...
Large herbivores are a major agent in ecosystems, influencing vegetation structure, and carbon and nutrient flows. During the last glacial period, a mammoth steppe ecosystem prevailed in the unglaciated northern lands, supporting a high diversity and den
Initial biomass and biomass change of tundra and forest plants in three herbivore treatments in Norway and Sweden, supplement to: Olofsson, Johan; Oksanen,... J Olofsson,L Oksanen,TV Callaghan,... 被引量: 0发表: 2009年 Steppe-tundra transition: A herbivore-driven biome shift at the end of...
000 years ago in the late Quaternary. Human impacts were the primary driver of these extinctions and declines, though possibly in conjunction with climate change1,2,3. The world’s remaining large-bodied herbivores are among the most threatened species on the planet4,5, leading to urgent calls...
"So, where was I?" she consults her notes, "Oh yes, ...simple to create patchiness in the forest and in the tundra but it is a different matter all together to create prairies so we have to proceed carefully. It seems clear that the prairies of today are maintained by today's biso...
Hence, commonness itself may be a strong predictor of species' responses to climate change in the arctic tundra biome, but large herbivores may mediate such responses in rare taxa, perhaps facilitating their persistence.doi:10.1038/s41598-022-05388-4Eric Post...
The geographical distribution of mammoth fauna was based not only on the optimal climatic range and suitable grass-rich ecosystems, but also on stable and sufcient pool of mineral nutrition in the seasonal cycle. Widespread high-latitude steppes or tundra-steppes were the landscape basis for the ...
Economic costs associated with exotic species have been estimated at over $100 billion per year in the United States alone5, and there are well-documented cases of range reductions in native species and alteration of ecosystem functioning in response to invasion3,4. While exotic species currently ...