Sentences with phrase «abrupt changes in ecosystems»

Not exact matches

A particular challenge for science is the growing evidence that social - ecological interactions across scales can generate regime shifts where profound and abrupt changes can occur in systems ranging from local ecosystems (such as lakes) to large biomes (such as the Arctic); from local communities (such as farming systems) to regional economic sectors (e.g., global fisheries).

In recent papers, Bill described dramatic and abrupt ecosystem changes in response to climate variabilitIn recent papers, Bill described dramatic and abrupt ecosystem changes in response to climate variabilitin response to climate variability.

The likelihood that climate change will result in abrupt ecosystem shifts (Walther 2010) favoring the introduction or reemergence of diseases for which effective surveillance and management practices are not yet in place.

The first report knew, and commented on, the possibilities of gradual climate change pushing ecosystems or economies over thresholds and triggering abrupt responses, but the new report focuses on such tipping points in our societies and environment.

Since NRC, 2002 was published, the potential for abrupt impacts associated with gradual changes in extreme events — such as abrupt changes in terrestrial ecosystems due to droughts and storms — has been studied extensively (e.g., Hutyra et al., 2005; Saatchi et al., 2013).

Extreme warm temperatures in summer can greatly increase the risks of mega-fires in temperate forests, boreal forests, and savanna ecosystems, leading to abrupt changes in species dominance and vegetation type, regional water yield and

Wang, M. Ikeda, K. Mizobata, and J. Overland, Abrupt climate changes and emerging ice - ocean processes in the Pacific Arctic region and the Bering Sea, Chapter 4, in The Pacific Arctic Region: Ecosystem Status and Trends in a Rapidly Changing Environment, J. M. Grebmeier and W. Maslowski (eds.)

Amazon forests represent the world's largest terrestrial biome and potentially the tropical ecosystem most vulnerable to abrupt change in response to future climate change in concert with agricultural development (e.g., Cox et al., 2000; Lenton et al., 2008; Zelazowski et al., 2011).

quality, and carbon emission (e.g., Adams, 2013), before the gradual increase of surface temperature crosses the threshold for abrupt ecosystem collapse (more discussion in the section on Ecosystem Collapse and Rapid State Changecosystem collapse (more discussion in the section on Ecosystem Collapse and Rapid State ChangEcosystem Collapse and Rapid State Change below).

* At higher projected rates of warming, areas such as the tundra and the Amazon rainforest face a high risk of «abrupt and irreversible» changes in their ecosystems.