Aerial and Field SAV Observations

The Maryland Environmental Service (MES) Environmental Staff conducted a vegetation survey, including submerged aquatic vegetation (SAV) of the SCMW on September 21, 2011. The SCMW is located adjacent to the south cell of the CC DMCF, which is located on Kembo Rd., in northern Anne Arundel County on the Patapsco River. Observations were made visually [...]

[Read more →]

I worked with local volunteers and agency staff to conduct Severn & Magothy SAV transects once per summer in 2007-2011, with 4 transects per river. The results are summarized in this PDF file. Here are the conclusions from that report; please send me any comments on it, to peter.bergstrom@noaa.gov.

· In both rivers, redhead grass predominated [...]

[Read more →]

$(function(){$(’#before_after_container’).beforeAfter({animateIntro : true, introDelay : 2000, introDuration : 500, showFullLinks : false, imagePath : ‘http://web.vims.edu/bio/sav/javascript/’ });});Hurricane Irene and Tropical Storm Lee dumped a large amount of water in the Susquehanna watershed, creating a muddy plume that extended down the Chesapeake Bay to the mid-bay islands and persisted for several months.
We [...]

[Read more →]

Maryland Environmental Service (MES) Environmental Staff conducted SAV surveys along the western side of Hart-Miller Island (HMI) on June 28, 2011 and September 16, 2011.  HMI is located at the mouth of Back River near Hawk Cove in Baltimore County.  Observations were made along two 3 mile transects 20 ft. and 50 ft. off of [...]

[Read more →]

N. Rybicki, Observation from shore August 11, 2011 at Olde Town;  Alexandria, VA just north of Woodrow Wilson Bridge by Ford’s Landing Park.  Canopy cover 100%, 99% Hydrilla, trace Najas minor. walking south it gets deeper and is patchy SAV, 20% Vallisneria, 80% Hydrilla.  [After Irene and much rain, in October, this area was devoid [...]

[Read more →]

On 10/7/11, Mark Lewandowski (Maryland DNR) and I kayaked in Longs Creek, on the north side of the mouth of Back River (MD), where Mark supervised SAV planting for a number of years through Bay Grasses in Classes. For more details on the site and the planting see my report from our visit last year.
Secchi [...]

[Read more →]

Brooke Landry (MD DNR) and I checked Mill Creek planted SAV (planted in June 2011) on 10/5/11, and there was a little bit left in all 4 exclosures, but only covering 2-5% of each exclosure. All of the plants were short with no sign of flowering, and all were at the deeper edge [...]

[Read more →]

Erin Shields, VIMS (Quad 126)
On 9-29 Ken Moore and I surveyed the James, beginning at the mouth of the Chickahominy and moving upriver. We did not find the large bed that was seen from the aerial photos on the mainstem.  We did see some floating coontail, hydrilla and Najas minor, but nothing rooted in that [...]

[Read more →]

I got down to Belmont Bay today at low tide (about 1 hr before lowest tide) and took a couple of pictures from a hill overlooking the tidal Occoquan (picture 1, picture 2). This was quite near the monitor location on this map . SAV beds are quite visible in both pictures and on both [...]

[Read more →]

I surveyed about 2.5 miles of tidal Mattawoman Creek by kayak on 9-17-11, starting at the kayak launch at the end of Mattingly Road and paddling upstream, not quite reaching the bridge across the creek. The trip included high tide so it was only near the end of the trip that SAV was visible at [...]

[Read more →]