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Entries Tagged as 'SAV News'

Abundance of Chesapeake Bay’s underwater grasses rises 8% in 2016

April 27th, 2017 · No Comments

An annual survey led by researchers at the Virginia Institute of Marine Science shows the abundance of underwater grasses in Chesapeake Bay increased 8% between 2015 and 2016, continuing an upward trend initiated in 2012.
The increase makes 2016 the second consecutive year since VIMS began its aerial survey in 1984 that the baywide acreage of [...]

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Abundance of Chesapeake Bay’s underwater grasses rises 21% in 2015

April 28th, 2016 · No Comments

An annual survey led by researchers at the Virginia Institute of Marine Science shows that the abundance of underwater grasses in Chesapeake Bay increased 21% between 2014 and 2015, an upsurge from 75,835 acres to 91,621 acres, which represents the highest total of the last 3 decades and just under half of the baywide 185,000-acre [...]

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Abundance of Chesapeake Bay’s underwater grasses rises 24% in 2013

April 23rd, 2014 · No Comments

Widgeongrass expands in mid-Bay, eelgrass sees modest recovery
An annual survey led by researchers at the Virginia Institute of Marine Science shows that the abundance of underwater grasses in Chesapeake Bay increased 24% between 2012 and 2013, reversing the downward trend of the previous 3 years. The increase reflects an upsurge from 48,195 acres to 59,927 [...]

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Survey of underwater grasses shows both decline and resilience in 2011

March 26th, 2012 · 1 Comment

by Staff | March 28, 2012
Grasses decrease 21% Baywide due to extreme environmental conditions; Susquehanna Flats grass beds survive
An annual aerial survey led by researchers at the Virginia Institute of Marine Science shows that the abundance of underwater grasses in Chesapeake Bay and its tidal rivers declined by 16,590 acres between 2010 and 2011.
The [...]

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Coverage of underwater Bay grasses decreases in 2010

April 25th, 2011 · No Comments

by David Malmquist |April 21, 2011
An annual aerial survey led by researchers at the Virginia Institute of Marine Science shows that underwater grasses covered 79,675 acres of  Chesapeake Bay and its tidal rivers in 2010, a decrease of 6,239 acres from the previous year. This year’s values represent about 43 percent of the 185,000-acre [...]

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Tags: Announcements · SAV News

Bay Journal - It’s a jungle down there! Visiting Susquehanna Flats’ underwater meadow

February 3rd, 2011 · No Comments

Past is Prologue / By Dr. Kent Mountford
Surveyors mapped the Susquehanna Flats accurately before the end of the 18th century, but their charts and the historical record leave considerable uncertainty about the status of submerged aquatic vegetation beds during the early years of the United States. The record is clear, though, that by the mid [...]

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Study shows Bay clean up helps boost underwater grasses

July 28th, 2010 · No Comments

by David Malmquist | July 28, 2010
Nutrient inputs, especially nitrogen, remain primary challenge
A major new study comparing water quality and coverage of underwater grasses throughout Chesapeake Bay from 1984 to 2006 shows a clear link between the abundance of submerged aquatic vegetation (SAV) and levels of nitrogen in Bay waters. When nitrogen levels rise, [...]

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Bay grasses up but below goal

May 3rd, 2010 · No Comments

by Staff | April 27, 2010
An annual aerial survey led by researchers at the Virginia Institute of Marine Science shows that underwater grasses covered 85,899 acres of  Chesapeake Bay and its tidal rivers in 2009. This was a 12 percent increase from 76,860 acres in 2008 and the highest baywide acreage since 2002. [...]

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VIMS to help restore marine life to seaside bays

July 6th, 2009 · No Comments

by David Malmquist and Jon Schwedler | July 1, 2009
Researchers with the Virginia Institute of Marine Science will collaborate with public and private partners on a new effort to restore oysters, seagrass, and bay scallops to the Commonwealth’s seaside bays.
The $2 million, 18-month project is a partnership between VIMS, The Nature Conservancy of Virginia, the [...]

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Loss of coastal seagrass habitat accelerating globally

June 30th, 2009 · No Comments

by Staff | June 29, 2009
First comprehensive analysis shows 58% of seagrass meadows in decline
An international team of scientists warns that accelerating losses of seagrasses across the globe threaten the immediate health and long-term sustainability of coastal ecosystems. The team has compiled and analyzed the first comprehensive global assessment of seagrass observations and found that [...]

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