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You are browsing all 99 communication products for Chesapeake Bay, Chesapeake Bay

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Effects of nutrient enrichment in the Nation's estuaries: A decade of change (Poster) Permanent Link

Produced by Suzanne Bricker, Ben Longstaff, William Dennison, Adrian Jones, Kate Boicourt, Caroline Wicks, and Joanna Woerner

In order to evaluate the change in the extent, severity, types, and probable causes of eutrophic symptoms in the nation's estuaries since the early 1990s, an update to the original assessment was carried out with the intent to examine changes during the decade from the early 1990s to the early 2000s. This update is an attempt to look at the changes in estuaries given the documented increase in population of U.S. coastal and upstream areas, observed changes in some waterbodies, and implemented management measures.

2007 Chesapeake Bay Hypoxic Volume Forecast (Report) Permanent Link

Scavia D

This paper describes the methods used to determine the July hypoxic volume for the Chesapeake Bay mainstem.

Chesapeake Bay 2007: Summer Ecological Forecast (Newsletter) Permanent Link

Produced by EcoCheck in collaboration with the Chesapeake Bay Program

This newsletter describes forecasts of Chesapeake Bay 2007 summer ecological conditions. Forecasts of three important Bay health indicators are provided–dissolved oxygen (DO), harmful algal blooms (HABs), and changes in aquatic grass distribution. This summer it is predicted that (1) the amount of anoxia (no dissolved oxygen) will be moderate in the Bay’s mainstem and small in the Rappahannock River, (2) the extent and duration of HABs in the Potomac River will be average, and (3) aquatic grasses in the northern Bay, lower Potomac River, and Tangier Sound will undergo no or minimal recovery from losses sustained last year. Learn more about the forecast and the supporting material by visiting the forecast website.

Breath of Life: Dissolved oxygen in Chesapeake Bay (Newsletter) Permanent Link

Wicks EC, Jasinski DA and Longstaff BJ

This newsletter describes why dissolved oxygen is an important indicator of ecosystem health. It focuses on dissolved oxygen in Chesapeake Bay and its tributaries and describes the factors that affect dissolved oxygen. Additionally, the management decisions and actions that are being taken to reduce the amount of low dissolved oxygen in the Bay are described.

Future directions in fisheries management: An ecosystem-based approach (Poster) Permanent Link

Prepared by Kate Boicourt, Ben Longstaff, Howard Townsend, and Caroline Wicks

This poster addresses the history, theory, and practical approach of ecosystem-based fisheries management.

Calculating the 2006 Chesapeake Bay report card scores (Newsletter) Permanent Link

Prepared by EcoCheck and the Integration and Application Network in collaboration with the Chesapeake Bay Program's Tidal Monitoring and Analysis Workgroup

Ecosystem health report cards are an effective means of tracking and reporting the health of a waterway at both local and regional scales. A report card is being developed within the Chesapeake Bay science and management community in order to provide a transparent, timely, and geographically detailed annual assessment of Chesapeake Bay habitat health. This newsletter summarizes the methods and data used to calculate the report card scores for 2006.

Chesapeake Bay Habitat Health Report Card: 2006 (Report card) Permanent Link

Prepared by EcoCheck and the Integration and Application Network

This report card provides a transparent, timely, and geographically detailed annual assessment of 2006 Chesapeake Bay habitat health. A report card will be released each year, in early to mid April, providing an assessment of the previous year’s habitat health. 2006 is the first year that the report card has been released. This report card rates 15 reporting regions of the Bay using six indicators that are combined into a single overarching index of habitat health. Habitat health is defined as progress of the six indicators towards established scientifically derived ecological thresholds or goals. A low score therefore means that the region rarely meets the ecological threshold levels. A high score means that the region often meets the threshold levels. For further details, visit the Report Card website.

Development of an Integrated and Spatially Explicit Index of Chesapeake Bay Health (Bay Habitat Health Index - BHHI) (Report) Permanent Link

Williams M, Longstaff BJ, Buchanan C, Llansó R and Bergstrom P

This technical document provides a detailed of the methodology employed in generating the Bay Habitat Health Index used in the Chesapeake Bay Report Card.

Beneficial use of dredged material to restore Chesapeake Bay wetlands (Newsletter) Permanent Link

February 2007

A Mid-Chesapeake Bay Marshlands Restoration project is being developed by the Integration and Application Network, the US Army Corps of Engineers, Maryland Port Administration, US Fish & Wildlife Service, and Maryland Department of Natural Resources. This newsletter discusses the ecological, economic, and engineering issues associated with using dredged material to restore the eroding marshes of the mid-Chesapeake Bay. The purpose of this effort is to develop a study plan that will evaluate the key ecological, economic, and engineering issues associated with a large scale marsh restoration project in Dorchester County.

Future directions of fisheries management: An ecosystem-based approach (Newsletter) Permanent Link

Boicourt K, Longstaff BJ and Townsend H

This newsletter describes current and future directions of Ecosystem-Based Fisheries Management (EBFM). While the standard approach to fisheries management has been to focus on one species at a time, EBFM characterizes a greater number of ecosystem components, including the physical and chemical properties of systems. The newsletter explores the current and potential applications of the ecosystem-based approach. This newsletter is a collaboration between EcoCheck and NOAA's Chesapeake Bay Office.

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IAN Press relies extensively on color for photographs, maps, conceptual diagrams, figures and even text and tables to a limited degree. The use of color allows for an increased data density and provides a bigger visual impact considering the amount of the human brain devoted to visual discrimination of colors. Color allows for greater discrimination of visual elements and in data presentation, a closer juxtaposition of different elements and greater comparative utility. The preponderance of color printers and the ability of electronic versions to be displayed in color promote the inexpensive dissemination of full color documents. In order to help color-blind people compensate, an effort is made to provide other visual clues in graphics, such as symbols with different shapes or map delineations with different shading or texture, but some of the visual impact will be compromised.


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With the growing popularity of electronic media, the carbon footprint involved in producing and distributing paper products, and the ability to provide infinite resources via the web, it could be argued that IAN Press should disseminate entirely via electronic means. While IAN Press provides downloadable, web accessible materials, IAN Press continues to produces written products for the following reasons:

  1. There is rigor and discipline required in producing science communication products that have limited 'real estate', that, is limited amounts of space to convey a message. A paper product maintains focus, while web links can lead to tangential issues. The priority setting required to establish the final layout and include various communication elements is important in conveying information. Fixed 'real estate' forces condensation, synthesis and integration. Every visual element is uniquely created for the purpose of conveying the specific information intended, rather than repurposed from other sources.
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