Antarctic terrestrial ecosystems: responses to environmental change

Convey, Peter ORCID: 2006 Antarctic terrestrial ecosystems: responses to environmental change. Polarforschung, 75 (2-3, 2005). 101-111.

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The consequences of climate change are exciting considerable concern worldwide. Parts of Antarctica are facing the most rapid rates of anthropogenic climate change currently seen on the planet. This paper sets out to introduce contemporary ecosystems of the Antarctic, and the factors that have influenced them and their biodiversity over evolutionary timescales. Contemporary climate change processes significant to terrestrial biota, and the biological consequences of these changes seen to date, are described. In general, many Antarctic terrestrial biota, when considered in isolation, possess biological features that will permit them to take advantage of the levels of change currently being experienced. However, many organisms and communities are extremely vulnerable to the colonisation of new taxa with greater competitive abilities or representing higher trophic levels than are currently present amongst the indigenous biota. In this context, direct human impact in the form of accidental transfer of non-indigenous species is probably the greatest threat currently facing Antarctic terrestrial ecosystems and their biota, while climate change will also act synergistically to reduce the colonisation and establishment hurdles faced by incoming organisms.

Item Type: Publication - Article
Programmes: BAS Programmes > Global Science in the Antarctic Context (2005-2009) > Biodiversity, Functions, Limits and Adaptation from Molecules to Ecosystems
Date made live: 31 Jan 2012 12:13 +0 (UTC)

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