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Bird Species and Climate Change

Bird Species and Climate Change - Bird Species and Climate...

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_ Bird Species and Climate Change: Global Status Report © WWF-Australia. All Rights Reserved. This document (version 1.0) is based on a report “Bird Species and Climate Change” prepared by Climate Risk Pty Ltd, international specialists in climate change risk management. For the complete report visit www.climaterisk.net. Climate Risk Europe Limited London: + 44 _0 8144 4510 Manchester: + 44 16 1_73 _474 Climate Risk Pty Limited (Australia) Sydney: + 61 _ 8003 4514 Brisbane: + 61 7 310_ 4513 Authors Janice Wormworth BSc MA Dr Karl Mallon BSc PhD + 61 41_ _57 5_1 WWF - Australia GPO Box 5_8 Sydney, NSW, Australia _001 Tel: +61_ 9_81 5515 wwf.org.au www.panda.org/climate Published November _006 by World Wide Fund for Nature Australia. Any reproduction in full or in part of this publication must mention the title and credit the above-mentioned publisher as the copyright owner. The opinions expressed in this publication are those of the author and do not necessarily reflect the views of WWF. Cover image © WWF-Canon, Kevin Schafer Designed by Digital Eskimo www.digitaleskimo.net Bird Species and Climate Change: Global Status Report 3 The report finds that 1) climate change now affects bird species’ behaviour, ranges and population dynamics; _) some bird species are already experiencing strong negative impacts from climate change; and 3) in future, subject to greenhouse gas emissions levels and climatic response, climate change will put large numbers bird species at risk of extinction, with estimates of extinction rates varying from _ to 7_ per cent1, depending on the region, climate scenario and potential for birds to shift to new habitat.i
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1 Why does climate change affect birds? “Climate change affects ecosystems, habitats and species with increasing velocity and continuity.” Bairlein & Hüppop, _004 Altered temperature, precipitation and moisture, a generally more variable climate, and more extreme weather are hallmarks of climate change that directly affect birds. Highly sensitive to weatherii, birds are the quintessential “canaries in the coal mine”, and are already responding to current levels of climate change. In future, climate change will also affect birds indirectly by altering their habitats via sea level rise, changes in fire regimes, and changes in vegetation or land use. For example, Europe’s Mediterranean coastal wetlandsiii, critical habitat for migratory birds, could be completely destroyed by the _080s with 1.5 to 4._ C of warmingiv. ̊ 2 How birds respond to climate change “Differential changes among species could easily be disruptive to communities, which in turn would most likely alter the structure and functioning of most, if not all, of the world’s ecosystems.” Root and Hughes, _005 Shifts in timing of important life cycle events, and shifts in ranges, are two major ways that birds and their ecological communities are already displaying a strong response to climate change. Importantly, these responses, in turn, pose further threats and risks of their own to birds.v Bird Species and Climate Change A Summary of The Global Status Report This summary outlines the findings of “Birds
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Bird Species and Climate Change - Bird Species and Climate...

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