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A Global Map of Human Impact on Marine Ecosystems
An ecosystem-specific, multiscale spatial model is developed to synthesize 17 global data sets of anthropogenic drivers of ecological change for 20 marine ecosystems and indicates that no area is unaffected by human influence and that a large fraction is strongly affected by multiple drivers.
Towards sustainability in world fisheries
Zoning the oceans into unfished marine reserves and areas with limited levels of fishing effort would allow sustainable fisheries, based on resources embedded in functional, diverse ecosystems.
Rebuilding Global Fisheries
Current trends in world fisheries are analyzed from a fisheries and conservation perspective, finding that 63% of assessed fish stocks worldwide still require rebuilding, and even lower exploitation rates are needed to reverse the collapse of vulnerable species.
Response to Comments on "Impacts of Biodiversity Loss on Ocean Ecosystem Services"
It is shown that globally declining fisheries catch trends cannot be explained by random processes and are consistent with declining stock abundance trends, and may provide a benchmark against which to assess the effectiveness of conservation measures.
Global Biodiversity: Indicators of Recent Declines
Most indicators of the state of biodiversity showed declines, with no significant recent reductions in rate, whereas indicators of pressures on biodiversity showed increases, indicating that the Convention on Biological Diversity’s 2010 targets have not been met.
Projecting global marine biodiversity impacts under climate change scenarios
- W. Cheung, V. Lam, J. Sarmiento, K. Kearney, R. Watson, D. Pauly
- Environmental Science
- 1 September 2009
Climate change can impact the pattern of marine biodiversity through changes in species’ distributions. However, global studies on climate change impacts on ocean biodiversity have not been performed…
Estimating the Worldwide Extent of Illegal Fishing
This paper provides the baseline against which successful action to curb illegal fishing can be judged, and can report a significant correlation between governance and the level of illegal fishing.
Background and interpretation of the ‘Marine Trophic Index’ as a measure of biodiversity
- D. Pauly, R. Watson
- Environmental SciencePhilosophical Transactions of the Royal Society B…
- 28 February 2005
It is suggested that using mean TL as ‘Marine Trophic Index’ (MTI) should always be done with an explicitly stated cut-off TL (i.e. cutMTI), chosen to emphasize changes in the relative abundance of the more threatened, high-TL fishes.
Shrinking of fishes exacerbates impacts of global ocean changes on marine ecosystems
A modelling study into the integrated effects of these various changes on fish body size suggests that averaged maximum body weight could fall by 14–24% globally by 2050.
Signature of ocean warming in global fisheries catch
This study shows that ocean warming has already affected global fisheries in the past four decades, highlighting the immediate need to develop adaptation plans to minimize the effect of such warming on the economy and food security of coastal communities, particularly in tropical regions.