|Ocean faces multiple, interconnected threats Position1 #146348|
The ocean faces a multitude of interconnected threats that is unprecedented in modern history.
Links between threats to the global oceans (in boxes outside the circle) and the nine planetary boundaries identified in Rockström, J., et al. (2009), A safe operating space for humanity, Nature, 461(24 September), 472-475. Note that one of these boundaries – ocean acidification – is identical to one of the six ocean threats. ‘N&P’ refers to nitrogen and phosphorus.
From: SEI – Valuing the Ocean)
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|Link The State of the Ocean 2013: Perils, Prognoses and Proposals|
Author: International Programme on the State of the Ocean, IUCN
Publication info: 2013 October, 3
Cited by: David Price 8:37 AM 31 October 2013 GMT
|Excerpt / Summary|
The scientific evidence that marine ecosystems are being degraded as a direct result of human activities is overwhelming; and the consequences both for the vital and valuable ocean goods and services we rely on, including for the maintenance of a healthy Earth system, are alarming. Recent assessments by the UN’s climate change panel the IPCC, for example, show that these changes are progressive and relentless: whilst terrestrial temperature increases may be experiencing a pause this is not true for the ocean, which continues to warm regardless. For the most part, however, the public and policymakers are failing to recognize –or choosing to ignore— the severity of the situation and are not taking the action necessary to address it...
...The central messages from the workshops are that the risks to the ocean and the ecosystems it supports have been significantly underestimated; that the extent of marine degradation as a whole is greater than the sum of its parts; and that it is happening at a much faster rate than previously predicted.