. The Cost of Policy Inaction: The case of not meeting the 2010 biodiversity target. . Parks and Protected Areas Terrestrial â Marine Source: Data extracted from the World Database or. Protected Areas (WDPA), produced by UNEP-WCMC and the IUCN World Commission on Protected Areas working with governments and collaborating IXGOs, January 2008. Figure Global distribution of Terrestrial and Marine Protected A reas. For display purposes, only protected areas with spatial (GIS) boundaries are shown. Of course, protected areas are not a guarantee to maintain biodiversity unless they are managed
. The Cost of Policy Inaction: The case of not meeting the 2010 biodiversity target. . Parks and Protected Areas Terrestrial â Marine Source: Data extracted from the World Database or. Protected Areas (WDPA), produced by UNEP-WCMC and the IUCN World Commission on Protected Areas working with governments and collaborating IXGOs, January 2008. Figure Global distribution of Terrestrial and Marine Protected A reas. For display purposes, only protected areas with spatial (GIS) boundaries are shown. Of course, protected areas are not a guarantee to maintain biodiversity unless they are managed effectively. Whilst degradation is usually less within protected areas than in surrounding unprotected zones, many protected areas are nothing more than 'paper parks', and many of the world's flagship protected areas, such as those inscribed on the UNESCO World Heritage List, are threatened by external pressures and lack of adequate protection. For example, all five of the natural World Heritage Sites in DRC are listed as 'in danger' by UNESCO due to the conflict in that region. In China, deforestation within Wolong Nature Reserve was higher than in surrounding areas, and appeared to increase after the Reserve was established, leading to a significant decline in the resident Giant Panda population (Liu el al., 2001). Yet it is still the case that in general the ecosystem service benefits from protected areas outweigh the management costs by at least an order of magnitude (Balmibrd tf */., 2002). Changes in marine biodiversity Introduction The Ocean biomes In a similar way as on land, biomes can be distinguished in the marine part of Earth. A short orientation is presented in this section (adapted from MA, 2005b; see figure ). Alterra-rapport 1718 109. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original w
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