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To capture cumulative threat in a given location, the four threats in the Reefs at Risk Caribbean analysis - coastal development, marine-based, sedimentation and overfishing - were integrated into a single index - the Reefs at Risk Threat Index.
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To capture cumulative threat in a given location, the four threats in the Reefs at Risk Caribbean analysis - coastal development, marine-based, sedimentation and overfishing - were integrated into a single index - the Reefs at Risk Threat Index.
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Reef polygons have been classified by estimated threat from overfishing and destructive fishing. Threats to coral reefs from overfishing were evaluated based on coastal population density and extent of fishing areas (reef and shallow shelf areas), with adjustments to account for the increased demand due to proximity to large populations and market centers. Areas where destructive fishing occurs (with explosives or poisons) were also included, based on observations from monitoring and mapping provided by experts. Values of 0 indicate low threat, 100 indicate medium threat, 1000 indicate high threat.
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To capture cumulative threat in a given location, the four threats in the Reefs at Risk Caribbean analysis - coastal development, marine-based, sedimentation and overfishing - were integrated into a single index - the Reefs at Risk Threat Index. A 100 m resolution GRID reflecting coral reef locations was classifed by this threat index, which was then converted to points for display.
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This dataset depicts combined threats to coral reefs in the Mesoamerican region based on coastal development, marine-based, sedimentation and overfishing as polygons.
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Global locations of poison fishing based on observational data and expert opinion (1 km grid).
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Global locations of blast (dynamite) fishing based on observational data and expert opinion (1 km grid).
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This dataset reflects coral reef locations classified by estimated threat. The threat estimates is coverfishing.
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Threats to coral reefs from fishing pressure evaluated based on coastal population density and shelf area (up to 30 m depth) within 30 km of reef. Analysis calibrated using survey observations of coral reef fish abundance. Management effectiveness included as mitigating factor for threats to reefs inside marine protected areas (MPAs).
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This dataset depicts integrated threats to reefs in the Mesoamerican region. To capture cumulative threat in a given location, the four threats in the Reefs at Risk Caribbean analysis - coastal development, marine-based, sedimentation and overfishing - were integrated into a single index - the Reefs at Risk Threat Index.
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This dataset depicts threats to coral reefs from fishing pressure evaluated based on coastal population density and shelf area (up to 30 m depth) within 30 km of reef. Analysis calibrated using survey observations of coral reef fish abundance. Management effectiveness included as mitigating factor for threats to reefs inside marine protected areas (MPAs).
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This dataset shows threats to coral reefs from fishing pressure evaluated based on coastal population density and shelf area (up to 30 m depth) within 30 km of reef. Analysis calibrated using survey observations of coral reef fish abundance. Management effectiveness included as mitigating factor for threats to reefs inside marine protected areas (MPAs).


    map background search result map search result map Coral reefs classified by threat from overfishing and destructive fishing (adjusted for management) Global Map of Threat of Poison Fishing Global Map of Threat of Blast Fishing Reef risk due to overfishing in Southeast Asia Caribbean Reefs at Risk Threat Index (polygon) Caribbean overfishing threats for coral reefs (polygon) Mesoamerica Integrated Threats to Coral Reefs (points) Mesoamerica Overfishing Threats to Coral Reefs Mesoamerican Integrated Threats to Reefs Mesoamerican Combined Threats to Reefs (polygons) Caribbean coral reef overfishing threat (point) Caribbean Reefs at Risk Index (points) Mesoamerica Integrated Threats to Coral Reefs (points) Mesoamerica Overfishing Threats to Coral Reefs Mesoamerican Combined Threats to Reefs (polygons) Mesoamerican Integrated Threats to Reefs Caribbean coral reef overfishing threat (point) Caribbean Reefs at Risk Index (points) Caribbean overfishing threats for coral reefs (polygon) Caribbean Reefs at Risk Threat Index (polygon) Reef risk due to overfishing in Southeast Asia Coral reefs classified by threat from overfishing and destructive fishing (adjusted for management) Global Map of Threat of Poison Fishing Global Map of Threat of Blast Fishing