Featured Research

from universities, journals, and other organizations

Research Seen To Improve The Chesapeake

Date:
January 4, 2007
Source:
USDA/Agricultural Research Service
Summary:
No one doubts that the Chesapeake Bay has been stressed by animal and crop production -- as well as by regional development -- across its entire watershed, a landmass of 64,000 square miles. For some time, Agricultural Research Service (ARS) scientists and others have been investigating ways to mitigate or prevent harm from farming practices. ARS is the chief scientific research agency of the U.S. Department of Agriculture (USDA).

ARS soil scientist Greg McCarty, University of Maryland support scientist Anne Gustafson (center), and ARS chemist Cathleen Hapeman use an Acoustic Doppler Channel Profiler to assess water velocity and channel geometry of a Choptank Watershed stream.
Credit: Photo by Peggy Greb

No one doubts that the Chesapeake Bay has been stressed by animal and crop production -- as well as by regional development -- across its entire watershed, a landmass of 64,000 square miles. For some time, Agricultural Research Service (ARS) scientists and others have been investigating ways to mitigate or prevent harm from farming practices. ARS is the chief scientific research agency of the U.S. Department of Agriculture (USDA).

Related Articles


The good news is: There's been progress. The bay's total estimated levels of phosphorus fell from 27.1 million pounds of phosphorus in 1985 to 19.5 million in 2002. The nitrogen level fell from 338 million pounds in 1985 to 278 million in 2002.

To further reduce runoff into the bay, soil scientist Greg McCarty with ARS' Hydrology and Remote Sensing Laboratory in Beltsville, Md., has done extensive research on the use of riparian buffer zones to reduce the amount of nutrients getting into waterways. These buffer zones--wooded or grassy areas in wetlands and along streambanks--help filter out pollutants and excess nutrients.

Unfortunately, the nutrient reductions made to date may still be insufficient because, in the summer of 2005, there was almost no oxygen in 3 percent of the bay's waters, and 21 percent had low levels, according to the multiagency Chesapeake Bay Program. This was the lowest oxygen level detected in the bay's central region since CBP monitoring began in 1984.

Now, in addition to scientific studies by state and federal agencies to improve the bay, there is a USDA effort under way called CEAP (the Conservation Effects Assessment Project) tapping watershed researchers nationwide to assess the benefits and value of conservation efforts. As part of the CEAP project, the researchers are using historical data and monitoring of current conditions to estimate the impact of conservation practices like riparian zones and cover crops on environmental issues such as quality of the water entering the bay.


Story Source:

The above story is based on materials provided by USDA/Agricultural Research Service. Note: Materials may be edited for content and length.


Cite This Page:

USDA/Agricultural Research Service. "Research Seen To Improve The Chesapeake." ScienceDaily. ScienceDaily, 4 January 2007. <www.sciencedaily.com/releases/2007/01/070102135534.htm>.
USDA/Agricultural Research Service. (2007, January 4). Research Seen To Improve The Chesapeake. ScienceDaily. Retrieved March 4, 2015 from www.sciencedaily.com/releases/2007/01/070102135534.htm
USDA/Agricultural Research Service. "Research Seen To Improve The Chesapeake." ScienceDaily. www.sciencedaily.com/releases/2007/01/070102135534.htm (accessed March 4, 2015).

Share This


More From ScienceDaily



More Plants & Animals News

Wednesday, March 4, 2015

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

Raw: Tourists Visit Rare Grey Whales in Mexico

Raw: Tourists Visit Rare Grey Whales in Mexico

AP (Mar. 4, 2015) Once nearly extinct, grey whales now migrate in their thousands to Mexico&apos;s Vizcaino reserve in Baja California, in search of warmer waters to mate and give birth. Tourists flock to the reserve to see the whales, measuring up to 49 feet long. (March 4) Video provided by AP
Powered by NewsLook.com
Australian Museum Shares Terrifying Goblin Shark With the World

Australian Museum Shares Terrifying Goblin Shark With the World

Buzz60 (Mar. 4, 2015) The Australian Museum has taken in its fourth-ever goblin shark, a rare fish with an electricity-sensing snout and &apos;alien-like&apos; jaw. Mike Janela (@mikejanela) takes a look. Video provided by Buzz60
Powered by NewsLook.com
Prince William Calls for Unified Effort Against Illegal Wildlife Trade

Prince William Calls for Unified Effort Against Illegal Wildlife Trade

Reuters - Entertainment Video Online (Mar. 4, 2015) Britain&apos;s Prince William pledges to unite against illegal wildlife trade on the final day of his visit to China. Rough cut - no reporter narration Video provided by Reuters
Powered by NewsLook.com
Greenpeace Activists Protest French Imports of Illegal Logs

Greenpeace Activists Protest French Imports of Illegal Logs

AFP (Mar. 4, 2015) Greenpeace activists deliver a four tonne log to the Ministry of Ecology to protest against imports of illegal wood. Duration: 00:59 Video provided by AFP
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:

Breaking News:

Strange & Offbeat Stories


Plants & Animals

Earth & Climate

Fossils & Ruins

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile: iPhone Android Web
Follow: Facebook Twitter Google+
Subscribe: RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins