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Chesapeake Bay News

May
23
2014

University of Maryland report card measures minimal changes in Chesapeake Bay health

Researchers at the University of Maryland Center for Environmental Science (UMCES) measured minimal changes in Chesapeake Bay health in 2013, once again giving the estuary a “C” in their annual Chesapeake Bay Report Card.

This grade was the same in 2012, up from a “D+” in 2011. The Bay Health Index was reached using several indicators of Bay health, including water clarity and dissolved oxygen, the amount of algae and nutrients in the water, the abundance of underwater grasses, and the strength of certain fish stocks, including blue crab and striped bass. Introduced in this year’s report card, the Climate Change Resilience Index will measure the Bay’s ability to withstand rising sea levels, rising water temperatures and other impacts of climate change.

UMCES Vice President for Science Applications and Professor Bill Dennison attributed the Bay’s steady course to local management actions. While pollution-reducing technologies installed at wastewater treatment plants have improved the health of some rivers along the Bay’s Western Shore, continued fertilizer applications and agricultural runoff have stalled improvements along the Eastern Shore, Dennison said in a media release.

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May
22
2014

Thirty-six access sites open along Chesapeake rivers and streams in 2013

Last year, Chesapeake Bay Program partners opened 36 new public access sites along rivers and streams in the watershed, bringing the total number of access sites in the region to 1,208. In fact, more public access sites were opened in 2013 than in previously tracked years, as states work to meet the public’s high demand for ways to get on the water.

State, federal and local governments are often the guardians of public access sites, providing opportunities for people to swim, fish and launch their boats into the Bay. But because physical access to the Bay and its tributaries remains limited—with real consequences for quality of life, the economy and long-term conservation—Bay Program partners set a goal in 2010 to add 300 new public access sites to the watershed by 2025. As of 2013, partners have added 69 sites, meeting 23 percent of this goal.

From floating canoe launches to bank fishing opportunities, increasing public access to open space and waterways can strengthen the bond between people and place, boosting local tourism economies and creating citizen stewards who are engaged in conservation efforts.

“Having public access to enjoy and learn about the value of nature is important,” said Bay Program Director Nick DiPasquale in a media release. “I believe that you value what you know, and you are motivated to protect what you value. Whether it’s a relaxing trip along a shoreline or a paddle on a pond or stream, when more people get to know and value the Chesapeake Bay and its rivers and streams, more people will be driven to protect it.”

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May
20
2014

Photo Essay: Walking the woods of the Chesapeake Bay watershed

For close to 50 years, Nick Carter has owned 33 acres on Maryland’s Eastern Shore. Aside from a house, a few sheds and a trail or two, much of this land has returned to its natural state: former farm fields have become bogs, wetlands and forests, pushed along by natural growth and Carter’s deep-seated desire to create healthy habitat and clean water.

Carter’s property runs next to the Choptank River, which flows into the Chesapeake Bay. Close to one-third of the Choptank watershed is forested, covered with the tree-and-shrub-filled habitat considered the most beneficial land use for the Bay. Forests absorb airborne pollutants, keep nutrients and sediment from entering our rivers and streams, and provide food, shelter and safe migration paths for wildlife. It is for these reasons that Carter has allowed forests to dominate his land.

“I’d like to see this little bit of property go back to old growth,” Carter said, referring to a type of forest that has evaded unnatural changes for a century or two. Carter and his wife purchased their property when he finished graduate school in 1966. For 35 years, Carter worked as a fish biologist with the Maryland Department of Natural Resources (DNR). Now, he offers informal tours to naturalists, native plant societies and school groups, carrying along a walking stick that effectively points out the things visitors might not notice.

Take the plants, for example. There are 250 species on Carter’s property, and in one two-hour walk it seems he can point out most of them. There are spring ephemera like jack-in-the-pulpit and pink lady’s slipper, the latter of which has a relationship with underground fungi that make them almost impossible to transplant. There are cinnamon ferns and sphagnum moss in a bog that Carter is particularly proud of because he created it with the simple act of laying down a few logs to form a makeshift dam. And there are the pine and oak trees that dominate the upland woods, including the willow oak whose acorns are so small that blue jays can pick them up and carry them in their beaks.

Then there are the reptiles and amphibians. Carter has counted 30 species of these, from the tree and wood frogs that favor damp habitat to the broad-headed skink and Eastern fence lizard that like forests with abundant leaf litter. Leaves that litter the ground conserve water, recycle nutrients and offer shelter to small critters. Its presence on Carter’s land can be felt as soon as you step from the hard pavement of Draper’s Mill Road to the soft, spongy forest floor.

Carter’s woods are home to charismatic fauna, too, including 30 species of mammals and 85 species of birds. Because so much of the property is forested, it serves as suitable habitat for “forest interior dwelling” birds, or those birds that need the moderate temperatures and light levels found deep within the woods. Carter has spotted pine warblers, prothonotary warblers and ovenbirds, but on our walk we spotted a bird that was much bigger and a little less particular about its habitat: a female wild turkey on her nest in a grove of skunk cabbage.

These critters flourish here because Carter has done so little to disrupt the natural processes of the world around him, aside from building the dam that led to the bog and managing some invasive species. While Maryland’s white-tailed deer often chew up low-growing plants, changing the structure of area forests, Carter’s dogs have warded them off with their loud howls. And when invasive plants like autumn olive, oriental bittersweet, English ivy and bush honeysuckle start to grow, Carter steps in to exert control. “Some I spray, some I cut, some I pull,” he said.

The changes that have taken place on Carter’s land present a classic case of succession: disturbed ground is replaced by shrubs, shrubs are replaced by pines and pines are replaced by hardwoods. In other words, this land works “the way it ought to work,” Carter said. And it reminds us of the habitats the Maintain Healthy Watersheds Goal Implementation Team is working to preserve in order to demonstrate the challenge of protecting streams.

Carter’s work to bring people onto his property could help further this goal, as he shares knowledge that can inform and inspire his visitors. “Here’s a little piece of land on which I can make all the rules,” Carter said. “Here, I can make this land good for the Bay and its rivers. And I can show people what’s good for the Bay and its rivers.”

To view more photos, visit the Chesapeake Bay Program Flickr page.

Images by Steve Droter and Jenna Valente. Captions by Catherine Krikstan.



May
13
2014

Maryland’s oyster population reaches highest level since 1985

The amount of oysters in Maryland waters has continued to rise, according to the results of an annual survey conducted by the Maryland Department of Natural Resources (DNR).

While habitat loss, disease and historic over-harvesting have reduced Chesapeake Bay oyster populations to a fraction of historic levels, Maryland’s 2013 Fall Oyster Survey found that oyster abundance in state waters has reached its highest level since 1985. With the diseases Dermo and MSX remaining at below-average levels, oyster survival rate has risen to 92 percent. As a result, harvests have increased.

“Preliminary harvest reports for the past season have already surpassed 400,000 bushels—with a dockside value in excess of $13 million—the highest in at least 15 years,” said DNR Secretary Joe Gill in a media release. “Coupled with the survey results, we have reason to be cautiously optimistic a sustainable oyster population can once again play a vital role in the Bay’s ecosystem and Maryland’s economy.”

Image courtesy Terry Brock/Flickr

Maryland, in partnership with the National Oceanic and Atmospheric Administration’s Chesapeake Bay Office, the U.S. Army Corps of Engineers and the Oyster Recovery Partnership, is working to restore oyster reefs in three of its rivers as part of a federally mandated effort to restore oyster populations in a select number of Bay tributaries over the next decade. In February, the Chesapeake Bay Program’s Maryland Oyster Restoration Interagency Workgroup released a report on the state’s progress: reefs have been built and seeded on almost 190 acres in Harris Creek, and restoration plans have been drafted for the Little Choptank and Tred Avon rivers, targeting 400 acres and 193 acres, respectively. The report also notes a higher-than-expected survival rate for spat planted in Harris Creek in 2012 and 2013, likely due to the “ground-truthing” of reefs that ensured oyster seed was laid on the best available habitat.

From the Field: Rebuilding oyster reefs in Harris Creek, Md. from Chesapeake Bay Program on Vimeo.

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