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World Ocean Assessment Overview
World Ocean Assessment Overview
The first World Ocean Assessment (WOA) is a report on the state of the planet’s oceans. It is the product of the first cycle of the Regular Process for global reporting and assessment of the state of the marine environment, including socio-economic aspects, which was established after the 2002 World Summit on Sustainable Development (Ref: page ...
Available online at: http://www.grida.no/publications/default/6704.aspx
Global trends in the state of the world marine fish stock, 1974-2011
The increased use of resources and ocean space are adversely affecting the state of the ocean. On all measures the ocean is changing – the waters are warming and becoming dangerously more acidic, commercial fish species ...
15 Aug 2016 - by GRID-Arendal/Kristina Thygesen
Evolution of world’s capture of marine species
Growing population means increased human activity and a greater use of the ocean every year (e.g. increases in fishing, ship transport, marine based tourism, exploitation of non-living resources, etc.). Human activities ...
06 Jul 2016 - by GRID-Arendal/Kristina Thygesen
Total size of the world´s fl
Our growing population means increased human activity and a greater use of the ocean every year (e.g. increases in fishing, ship transport, marine based tourism, exploitation of non-living resources, etc.). Human activit...
06 Jul 2016 - by GRID-Arendal/Kristina Thygesen
Population of Coastal Cities
The population of coastal cities continues to expand.
12 Aug 2016 - by GRID-Arendal/Levi Westerveld
Land based and marine industry sources of pollution
Illustration of selected pressures and impacts with regard to pollution (Ref. WOA Summary, pages 26 to 29). Multiple pressures interact cumulatively in ways that are poorly understood but that can amplify the effec...
13 May 2016 - by GRID-Arendal/Kristina Thygesen
The levels of DPSIR framework
The DPSIR framework (Driving Forces-Pressures-State-Impacts-Responses) is used to assess and manage environmental problems. Driving forces are the socio-economic and socio-cultural forces driving human activities, which ...
13 May 2016 - by GRID-Arendal/Kristina Thygesen
The drivers
Human activity is causing widespread changes to the oceans’ physical, chemical and biological systems. The major driving forces of change in the ocean are to be found outside the marine environment. Just as most of the...
13 May 2016 - by GRID-Arendal/Kristina Thygesen
Ocean water per person
If we divide up the ocean among the current 7 billion human inhabitants of Earth, we each have only one fifth of a cubic kilometer of ocean. That relatively small amount of water generates half the oxygen we breathe in a...
13 May 2016 - by GRID-Arendal/Kristina Thygesen
Global marine protected areas
NOTE: A dispute exists between the Governments of Argentina and the United Kingdom of Great Britain and Northern Ireland concerning sovereignty over the Falkland (Malvinas), South Georgia (Georgias del Sur) and South San...
29 Sep 2016 - by GRID-Arendal/Levi Westerveld
The growth in cruise passengers worldwide, 1990-2015
Our growing population means increased human activity and a greater use of the ocean every year (e.g. increases in fishing, ship transport, marine based tourism, exploitation of non-living resources, etc.). Human activit...
13 May 2016 - by GRID-Arendal/Kristina Thygesen
Knowledge gaps in understanding the ocean
The information that we need to understand the ocean can be divided into four main categories: (a) the morphology of the seafloor; (b) the composition and circulation of ocean water; (c) the biota of the ocean; and (d) t...
13 May 2016 - by GRID-Arendal/Kristina Thygesen
The ten themes addressed in the World Ocean Assessment
In order to organize the complex task of assessing the environmental, social and economic aspects of the ocean, the WOA is divided into 10 themes (Ref: WOA Summary, pages 7 to 10 providing overview of themes).
13 May 2016 - by GRID-Arendal/Kristina Thygesen