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Collection: In Dead Water - Climate Change, Pollution, Over-harv ...

In Dead Water - Climate Change, Pollution, Over-harvest, and Invasive Species in the World
In Dead Water - Climate Change, Pollution, Over-harvest, and Invasive Species in the World's Fishing Grounds
UNEP rapid response assessment on the state of the world's seas. In this report, the locations of the most productive fishing grounds in the World – from shallow, coastal waters to the deep and high seas- are compared to projected scenarios of climate change, ocean acidification, coral bleaching, intensity of fisheries, land-based pollution ...
Available online at: http://www.grida.no/publications/rr/in-dead-water
Primary threats to the marine environment
Each of the big five stressors (not in order of magnitude), 1) Climate change; 2) Pollution (mainly coastal), 3) Fragmentation and habitat loss (from e.g. dredging/trawling, use of explosives in fishing on coral reefs et...
01 Nov 2008 - by Hugo Ahlenius, UNEP/GRID-Arendal
Tropical sea temperature rises and coral reefs - climate change scenarios
The impacts of coral reefs from rising sea temperatures. When coral reefs become heat-exposed they die, leaving the white dead coral, also known as bleaching. With even moderate pollution, the coral are easily overgrown ...
01 Feb 2008 - by Hugo Ahlenius, UNEP/GRID-Arendal
Invasive species in the marine environment - problem regions
The locations of major problem areas for invasive species infestations or occurrence of exotic species in the marine environment. The impacted areas are concurrent with the areas subjected to the worst pollution, the mo...
01 Feb 2008 - by Hugo Ahlenius, UNEP/GRID-Arendal
scenarios
About scenarios
29 Nov 2007 - by Hugo Ahlenius, UNEP/GRID-Arendal
Tropical cyclone frequency
Tropical cyclones, or hurricanes or typhoons, are storm weather systems, characterised by a low pressure centre, thunderstorms and high windspeeds. As the name testifies, these occur in the areas between the tropics, in ...
09 Oct 2007 - by Emmanuelle Bournay, UNEP/GRID-Arendal
Trends in fisheries and aquaculture production (2000-2005)
The world's marine fisheries have stagnated or slightly declined in the last decade, offset only by increases in aquaculture production. A major reason why the decline has not become more evident is likely because of adv...
01 Feb 2008 - by Hugo Ahlenius, UNEP/GRID-Arendal
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