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Technical Documentation, State of the Ecosystem Report

11 Submerged Aquatic Vegetation

Description: Chesapeake Bay Submerged Aquatic Vegetation Trends

Found in: State of the Ecosystem - Mid-Atlantic (2022+)

Indicator category: Database pull with analysis

Contributor(s): David Wilcox, Brooke Landry, Christopher Patrick

Data steward: David Wilcox

Point of contact: David Wilcox

Public availability statement: Source data are NOT publicly available. Please email David Wilcox at for further information about the submerged aquatic vegetation indicator.

11.1 Methods

11.1.1 Data Sources

Data for this indicator comes from the aerial survey of submerged aquatic vegetation coverage in the Chesapeake Bay: https://www.chesapeakeprogress.com/abundant-life/sav.

11.1.2 Data Extraction

The data is available in excel spreadsheet form using the Downloads Data (.xlsx) link. The data used is in the “Salinity zone totals” tab and the hectares column can be extracted for each salinity zone.

11.1.3 Data Analysis

The analysis and methods are described at the Chesapeake progress page.

11.1.4 Data Processing

Data were formatted for inclusion in the ecodata R package using the R code found here.

catalog link https://noaa-edab.github.io/catalog/SAV.html