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**Please note that these pages include the 2008 assessment of the Global Map of Human Impacts on Marine Ecosystems. The updated assessment published in 2015 can be found here**.
We encourage visitors to read the Supplementary Online Materials for detailed information pertaining to the creation of these data layers
|Impact Layer||.JPG||GeoTiff||FGDC Metadata (.XML)|
|Demersal Destructive Fishing||**|
|Demersal Non-Destructive, High-Bycatch Fishing||**|
|Demersal Non-Destructive, Low-Bycatch Fishing||**|
|Benthic Structures (Oil Rigs)||Due to the spatial scale of this phenomenon, a preview image is not sufficient to represent this data layer. Please refer to the GIS data available to the right.|
|Pelagic High-Bycatch Fishing||**|
|Pelagic Low-Bycatch Fishing||**|
|Commercial Activity (Shipping)|
|Climate Change (SST)||Transformed Data|
|Climate Change (UV)|
Note: transformed stressor data is calculated as log(raw_data + 1) transformed and rescaled by dividing by maximum global value so values range from 0-1.