Publications by Bill Dennison

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.

National Capital Parks-East Natural Resource Condition Assessment (Page 1)

National Capital Parks-East Natural Resource Condition Assessment

Walsh BM, Campbell JP, Costanzo SD, Dennison WC, Lehman M, Milton M, Nortrup M, Syphax S ·
25 April 2016

The National Capital Parks–East (NACE) provides a natural haven for the urbanized Washington, D.C., area. NACE includes 14 major park areas that comprise more than 8,000 acres of the Atlantic Coastal Plain from Anne Arundel County, Maryland, through the eastern part of Washington, D.C., to Prince George’s and Charles counties, Maryland.

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Ecological Drought in the North Central United States (Page 1)

Ecological Drought in the North Central United States

Brianne Walsh, Simon Costanzo, Bill Dennison ·
18 April 2016

The Department of the Interior Climate Science Centers (CSCs) and their managing organization, the National Climate Change and Wildlife Science Center at the U.S. Geological Survey, have chosen the emerging climate science field of Ecological Drought as a research focus area. This newsletter highlights the outcomes of a two-day workshop held in Fort Collins, Colorado, as part of a series of meetings at each of the nation’s eight CSCs.

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A Look Inside New York Harbor (Page 1)

A Look Inside New York Harbor

Brianne Walsh, Bill Dennison ·
23 March 2016

New York Harbor is a large, iconic and complex body of water. The harbor is an important part of New York City and its millions of residents, and has been massively changed by human activities. These changes have altered the shorelines, water flow, plants and animals of the harbor. These drawings of New York Harbor help explain what is happening below the water surface—a look inside.

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George Washington Memorial Parkway Natural Resource Condition Assessment (Page 1)

George Washington Memorial Parkway Natural Resource Condition Assessment

Walsh BW, Costanzo SC, Dennison WC, Campbell JP, Lehman M, Nortrup M, Steury B, Monteleone S ·
29 February 2016

George Washington Memorial Parkway was developed as a scenic parkway to help preserve the Potomac River Gorge and shoreline while serving as a memorial to the first President of the United States, George Washington. The Potomac Gorge is one of the most significant natural areas in the United States, and is home to more than 400 occurrences of over 200 rare species and communities.

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Discerning the Causes of Toxic Cyanobacteria (Lyngbya majuscula) Blooms in Moreton Bay, Australia (Page 1)

Discerning the Causes of Toxic Cyanobacteria (Lyngbya majuscula) Blooms in Moreton Bay, Australia

O'Neil JM and Dennison WC ·
2016

This book highlights perspectives, insights, and data in the coupled fields of aquatic microbial ecology and biogeochemistry when viewed through the lens of collaborative duos – dual career couples. Their synergy and collaborative interactions have contributed substantially to our contemporary understanding of pattern, process and dynamics. This is thus a book by dual career couples about dual scientific processes.

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New York Harbor: Resilience in the face of four centuries of development (Page 1)

New York Harbor: Resilience in the face of four centuries of development

O’Neil JM, Taillie D, Walsh BM, Dennison WC, Bone EK, Reid DJ, Newton R, Strayer DL, Boicourt K, Birney LB, Janis S, Malinowski P, and Fisher M ·
2016

New York Harbor is a large, iconic and complex body of water that has been extensively modified to support the development of a megacity. These modifications have affected the shorelines, water flow, water quality, habitats and living resources of the harbor. Changes in topography and bathymetry have altered the landscapes and seascapes of the region, largely to support an active shipping port and intense human settlement.

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Prince William Forest Park Natural Resource Condition Assessment (Page 1)

Prince William Forest Park Natural Resource Condition Assessment

Walsh BW, Costanzo SD, Dennison WC, Campbell JP, Lehman M, Nortrup M, Carmouche C, Kelley E, Petersen P ·
15 December 2015

Located approximately 35 miles south of Washington, D.C., Prince William Forest Park occupies 15,000 acres in Prince William County, Virginia. The park is the largest protected area in the region and is the third largest national park in the state of Virginia. It is also the largest example of a Piedmont forest in the national park system, and serves as a sanctuary for a diversity of plants and animals which are threatened by increasing development in northern Virginia.

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Wolf Trap National Park for the Performing Arts Natural Resource Condition Assessment (Page 1)

Wolf Trap National Park for the Performing Arts Natural Resource Condition Assessment

Walsh BM, Costanzo SD, Dennsion WC, Campbell JP, Lehman M, Nortrup M, Chittenden B, Goetkin P, and Schuster C ·
15 December 2015

Wolf Trap National Park for the Performing Arts is a 117-acre park located approximately 18 miles west of Washington, D.C. in Vienna, Virginia. Established in 1966, the park was designated as the first national park for the performing arts. The park provides a natural sanctuary for native bird, plants, and animal species in a developing region. The natural resources of Wolf Trap National Park for the Performing Arts were assessed using the Vital Signs Framework.

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Upper Potomac Headwaters Report Card 2015 (Page 1)

Upper Potomac Headwaters Report Card 2015

Bill Dennison, Suzanne Webster, Vanessa Vargas-Nguyen, Jane Hawkey ·
10 December 2015

This report card was produced in December 2015 by The University of Maryland Center for Environmental Science and represents a joint effort of graduate students and faculty in the Marine Estuarine Environmental Sciences program at the Appalachian Laboratory in Frostburg and the Integration and Application Network. The report card provides an assessment of stream health in the Upper Potomac Headwaters region upstream of Harpers Ferry, West Virginia.

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2014 Maryland Coastal Bays report card (Page 1)

2014 Maryland Coastal Bays report card

Jane Thomas, Bill Dennison ·
8 December 2015

The aim of this report card is to provide a transparent, timely, and geographically detailed assessment of 2014 Coastal Bays health. Coastal Bays health is defined as the progress of four water quality indicators (total nitrogen, total phosphorus, chlorophyll a, dissolved oxygen) and two biotic indicators (seagrass, hard clams) toward scientifically derived ecological thresholds or goals.

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