Global Change Biology

Cover image for Vol. 21 Issue 8

Edited by: Steve Long

Impact Factor: 8.044

ISI Journal Citation Reports © Ranking: 2014: 1/43 (Biodiversity Conservation); 3/221 (Environmental Sciences); 5/144 (Ecology)

Online ISSN: 1365-2486

Associated Title(s): GCB Bioenergy

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Global Change Biology exists to promote understanding of the interface between all aspects of current environmental change that affects a substantial part of the globe and biological systems.

The journal publishes primary research articles, technical advances, research reviews, commentaries and letters.

Global Change Biology defines global change as any consistent trend in the environment - past, present or projected - that affects a substantial part of the globe. Examples include:

highlight1May2015Investigating deoxygenation in the Saanich Inlet

The northeast Pacific Ocean is a global hot spot of oxygen loss. However, the response of the animal community to this deoxygenation has not been resolved. Over eight years, the authors used remotely operated vehicles and the cabled observatory VENUS to document the lower oxygen limits of multiple fish and invertebrate species that are common to this region. Using the natural hypoxia cycle of Saanich Inlet, they illustrate how the community structure collapses when hypoxic waters expand. Future oxygen loss in this region may homogenize animal distributions when the extent of suitable habitat becomes compressed over smaller areas.

highlight2May2015Consequences of climate change on bird communities worldwide

Species fulfill critical ecological functions that may be altered substantially as climate change is causing them to shift in and out of their current communities. Here the authors assessed how geographic range changes projected under climate change for this century would impact the diverse functional attributes of bird communities worldwide. They found that the functional consequences of climate change are geographically highly uneven. Range expansions may counter functional losses in high-latitude regions, but offer little compensation in many tropical and sub-tropical biomes where substantial losses of functional diversity could have severe consequences for ecosystem health.

highlight3May2015As nitrogen emissions increase, so too will forest carbon sequestration

Human activities have increased carbon dioxide and nitrogen emissions to the atmosphere. Deposition of nitrogen pollutants in boreal forests has the potential to sequester large amounts of carbon, however there’s a lack of data describing the impacts of this sequestration. The authors used a long term experiment in the boreal region to assess how soil carbon accumulation responded to simulated nitrogen deposition. Their study shows that soil carbon sequestration increases with long-term nitrogen addition. These results will enable researchers to improve their models of the global carbon cycle.

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