View In:
ArcGIS JavaScript
ArcGIS Online Map Viewer
ArcGIS Earth
ArcMap
ArcGIS Pro
View Footprint In:
ArcGIS Online Map Viewer
Service Description: This data resource is a layer in a map service. To download it, please go to the "Layers" section of this page and click the name of the dataset. This will open a new page that features a download button.
Open the Map Service: https://gis.chesapeakebay.net/ags/rest/services/ChesapeakeProgress/cpSAV_beds_2010_2023/MapServer
This Chesapeake Bay Program indicator of progress toward the Submerged Aquatic Vegetation Outcome shows beds of underwater grasses across the four salinity zones of the Chesapeake Bay. The GIS layers were mapped from 1:24,000 black and white aerial photography. Each area of SAV was interpreted from the photography and placed into one of four density classes based on the percentage of cover. The dataset contains all SAV areas that were identified from the areas flown. Some areas that are presumed to contain no SAV were not flown. Some small beds, particularly along narrow tributaries, may not have been distinguishable.
Map Name: cpSAV_beds_2010_2023
Legend
All Layers and Tables
Dynamic Legend
Dynamic All Layers
Layers:
Description: This data resource is a layer in a map service. To download it, please go to the "Layers" section of this page and click the name of the dataset. This will open a new page that features a download button.
Open the Map Service: https://gis.chesapeakebay.net/ags/rest/services/ChesapeakeProgress/cpSAV_beds_2010_2023/MapServer
This Chesapeake Bay Program indicator of progress toward the Submerged Aquatic Vegetation Outcome shows beds of underwater grasses across the four salinity zones of the Chesapeake Bay. The GIS layers were mapped from 1:24,000 black and white aerial photography. Each area of SAV was interpreted from the photography and placed into one of four density classes based on the percentage of cover. The dataset contains all SAV areas that were identified from the areas flown. Some areas that are presumed to contain no SAV were not flown. Some small beds, particularly along narrow tributaries, may not have been distinguishable.
Service Item Id: af140956960f46b88daf9371025d6e6f
Copyright Text: SAV Ecology, Monitoring, & Restoration Program, Virginia Institute of Marine Science
Spatial Reference:
102100
(3857)
Single Fused Map Cache: false
Initial Extent:
XMin: -8858228.38465812
YMin: 4416006.366770785
XMax: -8168170.04310264
YMax: 4847145.381879382
Spatial Reference: 102100
(3857)
Full Extent:
XMin: -8623265.1798
YMin: 4423290.754900001
XMax: -8421500.0866
YMax: 4810611.178400002
Spatial Reference: 102100
(3857)
Time Info:
Time Extent:
[2010/01/01 00:00:00 UTC, 2023/01/01 00:00:00 UTC]
Time Reference:
N/A
Units: esriMeters
Supported Image Format Types: PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP
Document Info:
Title: Untitled.aprx
Author:
Comments: This is a time enabled layer of SAV (submerged aquatic vegetation, or bay grasses) in the Chesapeake Bay from 2010 through 2023.
Subject: This is a time enabled map of Submerged Aquatic Vegetation in the Chesapeake Bay from 2010 through 2023.
Category:
Keywords: SAV
AntialiasingMode: None
TextAntialiasingMode: Force
Supports Dynamic Layers: true
MaxRecordCount: 2000
MaxImageHeight: 4096
MaxImageWidth: 4096
Supported Query Formats: JSON, geoJSON, PBF
Supports Query Data Elements: true
Min Scale: 0
Max Scale: 0
Supports Datum Transformation: true
Child Resources:
Info
Dynamic Layer
Supported Operations:
Export Map
Identify
QueryLegends
QueryDomains
Find
Return Updates