USGS OPEN-FILE REPORT 99-219(USGS OFR99-219)

CHESAPEAKE BAY HABITAT CRITERIA SCORES AND THE DISTRIBUTION OF SUBMERSED AQUATIC VEGETATION IN THE TIDAL POTOMAC RIVER AND POTOMAC ESTUARY, 1983-1997

By Jurate M. Landwehr, Justin T. Reel, Nancy B. Rybicki, Henry A. Ruhl, and Virginia Carter

U.S. Geological Survey Open-File Report 99-219

This report is stored in Portable Document Format.
Adobe Acrobat Reader 3.0TM is required to view it.
If you already have Acrobat Reader 3.0 installed on
your computer, click here to access complete report text (1,140 kb).

If you wish to download Acrobat Reader 4.0
free of charge. Click here.

CONTENTS

Cover
Title page
Back of title page

Abstract
Introduction
Tidal Potomac River and Potomac Estuary segmentation and coverage by submersed aquatic vegetation
Water-quality data
Chesapeake Bay habitat criteria and scores
Chesapeake Bay habitat criteria scores and coverage by submersed aquatic vegetation
Summary
References Cited

ILLUSTRATIONS

Figure	1.	Chesapeake Bay Program segments and stations for the tidal Potomac River and Potomac Estuary.
Figures	2-15.	Surface area, in hectares, covered by submersed aquatic vegetation and Chesapeake Bay habitat criteria scores in the tidal Potomac River and Potomac Estuary segments for the period 1983 through 1997.
	2.	Freshwater tidal Potomac River segment UTR.
	3.	Freshwater tidal Potomac River segment LTR.
	4.	Freshwater tidal Potomac River segment TF2.
	5.	Oligohaline Potomac Estuary segment POTOH
	6.	Mesohaline Potomac Estuary segment POTMH.
	7.	Freshwater tidal Potomac River monitoring station XFB2470 segment.
	8.	Freshwater tidal Potomac River monitoring station XFB1433 segment.
	9.	Freshwater tidal Potomac River monitoring station XEA6596 segment.
	10.	Freshwater tidal Potomac River monitoring station XEA1840 segment.
	11.	Oligohaline Potomac Estuary monitoring station XDA4238 segment.
	12.	Oligohaline Potomac Estuary monitoring station XDA1177 segment.
	13.	Mesohaline Potomac Estuary monitoring station XDC1706 segment.
	14.	Mesohaline Potomac Estuary monitoring station MLE2.2 segment.
	15.	Mesohaline Potomac Estuary monitoring station MLE2.3 segment.

TABLES

Table	1.	Abbreviations for terms used throughout the report
Tables	2-3.	Surface area, in hectares, covered by submersed aquatic vegetation in the tidal Potomac River and Potomac Estuary for the period 1983 through 1997 2. USGS segments UTR and LTR and Chesapeake Bay Program segments TF2, POTOH and POTMH
	2.	USGS segments UTR and LTR and Chesapeake Bay Program
	3.	Water-quality monitoring station segments
Tables	4-17.	Seasonal (April through October) median values for submersed aquatic vegetation habitat criteria parameters in the tidal Potomac River and Potomac Estuary for the period 1983 through 1997
	4.	Freshwater tidal Potomac River segment UTR
	5.	Freshwater tidal Potomac River segment LTR
	6.	Freshwater tidal Potomac River segment TF2
	7.	Oligohaline Potomac Estuary segment POTOH
	8.	Mesohaline Potomac Estuary segment POTMH
	9.	Freshwater tidal Potomac River monitoring station XFB2470 segment
	10.	Freshwater tidal Potomac River monitoring station XFB1433 segment
	11.	Freshwater tidal Potomac River monitoring station XEA6596 segment
	12.	Freshwater tidal Potomac River monitoring station XEA1840 segment
	13.	Oligohaline Potomac Estuary monitoring station XDA4238 segment
	14.	Oligohaline Potomac Estuary monitoring station XDA1177 segment
	15.	Mesohaline Potomac Estuary monitoring station XDC1706 segment
	16.	Mesohaline Potomac Estuary monitoring station MLE2.2 segment
	17.	Mesohaline Potomac Estuary monitoring station MLE2.3 segment
Table	18.	Chesapeake Bay habitat criteria for the tidal Potomac River and Potomac Estuary based on Chesapeake Bay submersed aquatic vegetation habitat requirements for one meter restoration as established by the Chesapeake Bay Program

Accessibility FOIA Privacy Policies and Notices
U.S. Department of the Interior, U.S. Geological Survey Persistent URL: http://pubsdata.usgs.gov/pubs/of/1999/of99-219/ Page Contact Information: USGS Publishing Network Last modified: Thursday, January 10 2013, 11:07:23 PM