Chesapeake Bay Program - A Watershed Partnership

Baywide Benthic Database

DATA TYPE: Benthos, sediment images
GEOGRAPHIC EXTENT: Chesapeake Bay and Tidal Tributaries
DATE RANGE: 1975 - present

Data is currently being collected under the following grants: CB98361804, CB98385303, CB98382503

Alert: Due to changes in benthic IBI calculation protocol we have recalculated all benthic IBI data. If you have downloaded data prior to January 21, 2003, you should download the new IBI data. We apologize for the inconvenience.

Data Contact

Jackie Johnson - Tele: 800-YOUR-BAY ext. 729

Documentation

Map of Fixed Benthic Monitoring Stations in Maryland - March 2000
Map of Fixed Benthic Monitoring Stations in Virginia - March 2000
Benthic Data Dictionary - Online
2000 Users Guide to CBP Biological and Living Resources Monitoring Data - January 2000
Maryland Benthic Monitoring Project Data Documentation - June 2004
Virginia Benthic Monitoring Project Data Documentation - July 2004
Benthic Database Entity Relationship Diagram - January 2000
A Comprehensive List of Chesapeake Bay Basin Species 1998 - June 1998
Virginia Historic Lower Ches. Bay and Tribs Benthic Taxonomic Data Project Documentation - July 2004
Virginia Benthic Sediment Profile Images Project Documentation - July 2004
Quality Assurance Plan for the Virginia Benthic Monitoring Program - July 2003
Quality Assurance Plan for the Maryland Benthic Monitoring Program - April 2001
Methods for calculating Benthic Index of Biotic Integrity - November 2002