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Human impacts on marine ecosystems

Human impacts on marine ecosystems

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Uploaded 09 Oct 2013 by GRID-Arendal
Year: 2013 Author: GRID-Arendal
Description:
Harmonizing traditional economic activity and ecosystem-dependent economic values is a challenge we must address, especially for our coasts and oceans. Persistent environmental pressures, including pollution, overharvesting of fisheries, and habitat conversion are driven by growing populations and the growing economic output these populations demand. These pressures have led to dramatic declines in the ecological state of our coasts and oceans. We are in the throes of an epoch of unprecedented species-loss, the emergence of coastal waters which are no longer safe for swimming or fishing, the loss of shoreline protection by coastal habitats and coral reefs, and an unprecedented decline in the value of ecosystem goods and services. In turn the loss of ecological integrity in our oceans and coasts has impacted directly on poverty levels and development, especially in communities traditionally dependent on ecosystem-based economic activities including fishing, tourism, and harvesting. ...
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