Publications about Chesapeake Bay

IAN is committed to producing practical, user-centered communications that foster a better understanding of science and enable readers to pursue new opportunities in research, education, and environmental problem-solving. Our publications synthesize scientific findings using effective science communication techniques.

Long-term Annual Aerial Surveys of Submersed Aquatic Vegetation (SAV) Support Science, Management, and Restoration (Page 1)

Long-term Annual Aerial Surveys of Submersed Aquatic Vegetation (SAV) Support Science, Management, and Restoration

Orth RJ, Dennison WC, Gurbisz C, Hannam M, Keisman J, Landry JB, Lefcheck JS, Moore KA, Murphy RR, Patrick CJ, Testa J, Weller DE, Wilcox DJ, and Batiuk RA ·
2019

Aerial surveys of coastal habitats can uniquely inform the science and management of shallow, coastal zones, and when repeated annually, they reveal changes that are otherwise difficult to assess from ground-based surveys. This paper reviews the utility of a long- term (1984–present) annual aerial monitoring program for submersed aquatic vegetation (SAV) in Chesapeake Bay, its tidal tributaries, and nearby Atlantic coastal bays, USA.

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2018 Chesapeake Bay & Watershed Report Card (Page 1)

2018 Chesapeake Bay & Watershed Report Card

Alexandra Fries, Caroline Donovan, Dylan Taillie, Heath Kelsey, Sky Swanson, Bill Dennison ·
21 May 2019

This report card provides a transparent, timely, and geographically detailed assessment of Chesapeake Bay. In 2018, the report card includes five water quality indicators and two biotic indicators. In 2018, the overall grade for Chesapeake Bay is a 46%, a C. This means the Bay is in moderate health. Despite the decrease in score from 2017, overall bay health is still significantly improving over time. Long term trends of each reporting region health and a fisheries index are also presented.

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A Generalized Additive Model approach to evaluating water quality: Chesapeake Bay case study (Page 1)

A Generalized Additive Model approach to evaluating water quality: Chesapeake Bay case study

Murphy RR, Perry E, Harcum J, and Keisman J ·
2019

Nutrient reduction efforts have been undertaken in recent decades to mitigate the impacts of eutrophication in coastal and estuarine systems worldwide. To track progress in response to one of these efforts we use Generalized Additive Models (GAMs) to evaluate a diverse suite of water quality constituents over a 32-year period in the Chesapeake Bay, an estuary on the east coast of the United States.

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Chesapeake Bay SAV Watchers - Guide to the Introductory Monitoring Program (Tier 1) (Page 1)

Chesapeake Bay SAV Watchers

Guide to the Introductory Monitoring Program (Tier 1)

Suzanne Webster, Bill Dennison ·
31 March 2019

This guide includes detailed instructions for volunteers who are using the Water Reporter platform to collect and submit data for the Chesapeake Bay SAV Watchers Introductory Monitoring Program.

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Chesapeake Bay SAV Watchers - Pocket Field Guide (Online viewing version) (Page 1)

Chesapeake Bay SAV Watchers - Pocket Field Guide (Online viewing version)

Katie May Laumann, Suzanne Webster, Dylan Taillie, Sky Swanson ·
31 March 2019

A pocket-sized SAV species identification guide that also includes a field packing list, protocol reminders, and reference photos of other macrophytes. For use in the field by volunteers participating in the Chesapeake Bay SAV Watchers Introductory and Advanced Monitoring Programs. This version is designed to be viewed on a phone or computer screen.

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Chesapeake Bay Dissolved Oxygen Criterion Attainment Deficit: Three Decades of Temporal and Spatial Patterns (Page 1)

Chesapeake Bay Dissolved Oxygen Criterion Attainment Deficit: Three Decades of Temporal and Spatial Patterns

Zhang Q, Tango PJ, Murphy RR, Forsyth MK, Tian R, Keisman J and Trentacoste EM ·
2018

Low dissolved oxygen (DO) conditions are a recurring issue in waters of Chesapeake Bay, with detrimental effects on aquatic living resources. The Chesapeake Bay Program partnership has developed criteria guidance supporting the definition of state water quality standards and associated assessment procedures for DO and other parameters, which provides a binary classification of attainment or impairment.

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2017 Chesapeake Bay Report Card (Page 1)

2017 Chesapeake Bay Report Card

Dylan Taillie, Alexandra Fries, Jamie Currie, Bill Dennison, Heath Kelsey, Jason Howard, Emily Nastase ·
15 June 2018

In past report card years, specific regions throughout Chesapeake Bay have shown improving trends, but this is the first year that the overall Chesapeake Bay is showing significant improvement. Overall Chesapeake Bay Health Scores have been variable in the past. However, since 2015, Chesapeake Bay Health Scores have consistently been in the high C range (53, 54, 54). These consecutive high scores have contributed to an overall positive trajectory for the first time.

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