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Biodiversity and Ecosystem Concerns Thema1 #145939 Biodiversity and issues of major concern.

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Planet Under Pressure »Planet Under PressurePlanet Under Pressure☜DebateGraph and the Planet Under Pressure scientists are collaborating to distill the main arguments, evidence, risks and policy options facing humanity in a dynamic knowledge map to help visualise and inform global policy dialogue and deliberation.☜F1CEB7

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4. The way ahead »4. The way ahead4. The way ahead☜How should humanity respond to the emerging systemic pressures?☜FFB597

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Policy Briefs »Policy BriefsPolicy Briefs☜A series of policy briefs have been prepared part of the scientific preparations for the conference. Each brief tackles an issue of importance to the Rio+20 conference, with a focus on the Green Economy and the Institutional Framework for Sustainable Development.☜FFB597

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4. Biodiversity and ecosystems »4. Biodiversity and ecosystems4. Biodiversity and ecosystems☜Biodiversity and ecosystems for a planet under pressure – transition to sustainability: interconnected challenges and solutions.☜FFB597

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Biodiversity and Ecosystem ConcernsBiodiversity and Ecosystem Concerns☜Biodiversity and issues of major concern.☜FFB597

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Exceeding critical thresholds »Exceeding critical thresholdsExceeding critical thresholds☜Declines in biodiversity and ecosystem services tend to be unexpected, abrupt collapses that are more likely to occur once a tipping point has been passed.☜59C6EF

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Global extinctions »Global extinctionsGlobal extinctions☜The target set at the World Summit on Sustainable Development in 2002 to halt the decline of biodiversity by the end of 2010 has not been achieved. About 1/3 of the more than 50,000 species on the International Union for Conservation of Nature (IUCN) Red List remain threatened to some degree.☜59C6EF

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Homogenization of biota and landscape »Homogenization of biota and landscapeHomogenization of biota and landscape☜Remaining living systems are becoming dominated by a few very successful species. Diverse and locally adapted species and ecological communities are being replaced by much less diverse managed croplands and plantations as well as by depleted, simplified and often polluted aquatic ecosystems.☜59C6EF

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Loss of resilience »Loss of resilienceLoss of resilience☜Increasing evidence suggests that changes to ecosystems limit their ability to regulate environmental fluctuations and change.☜59C6EF

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Eingabe von: David Price
NodeID: #145939
Node type: Issue
Eingabedatum (GMT): 3/22/2012 12:08:00 AM
Zuletzt geändert am (GMT): 10/31/2013 8:20:00 AM
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