Parent Layer: 9LAYERPACKAGE4

Name: Degree of Anthropogenic Stress

Display Field:

Type: Raster Layer

Geometry Type: null

Description: This data represents varying levels of anthropogenic stress relevant to corals. Anthropogenic stressors were identified and compiled by FWRI staff. These include outfalls (FDEP), popular dive sites (created by FWRI, derived from http://www.divespots.com/scuba-diving-spots/florida/florida-keys/), dredge disposal sites (FWRI - MRGIS), ship lanes (FWRI - MRGIS), vessel corridors (FWRI - MRGIS), marinas (FWRI - MRGIS), anchorages (FWRI - MRGIS), and reef injuries (FWRI - MRGIS). A 1 kilometer grid was created using XTools Pro and the resulting grid was clipped to the study area boundary. One kilometer buffers were created for all stress layers, and a "Stress_Ind" field was added. The "Stress_Ind" field was calculated as "1" for all stressors. For the reef injuries layer, groundings were isolated and classified as a "1," whereas the remaining injuries were classified as "0.5" to represent the less severe nature of the remaining injuries (i.e. anchorings). All stress layers were merged and the spatial join tool (using a sum merge rule) was used to append the total number of intersections of stressors (found in the "Stress_Ind" field) with the grid. The resulting polygonal grid was converted to a raster and a 1km cell output was ensured.

Copyright Text: FWC-FWRI must be credited. This is not a survey data set and should not be utilized as such. These data are not to be used for navigation.

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XMin: -9241377.763193142
YMin: 2796597.068782857
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YMax: 3162204.318737407
Spatial Reference: 102100  (3857)

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