USGS


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

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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




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