Observation & Segmentation
![SAV Quad Maps](../../_images/quads.jpg)
SAV Quad Maps
VIMS reports seagrass coverage within 259 7.5-minute quad maps along the shoreline of Chesapeake Bay and its tributaries, and Virginia's Eastern Shore.
![CBP Segments](../../_images/cbp_segments.jpg)
CBP Segments
VIMS and the Chesapeake Bay Program use 93 segments to collect, analyze, and present data.
![SAV Salinity Zones](../../_images/salinity_zones.fw.jpg)
Salinity Zones
In 2013, the Chesapeake Bay Program began to categorize bay grass data using 4 salinity zones.