Sentences with phrase «of phragmites»

They conducted similar surveys of 21 patches of Phragmites in Europe from Norway to southern Portugal.

Group for the East End vice president Aaron Virgin also addressed the Town Board on the issue Tuesday, saying he believes an increased density of phragmites could turn the freshwater pond into more of a wetlands area that can't sustain creatures such as fish.

Not exact matches

Tidal restrictions, or constrictions, which alter the flow of salt and fresh water have a major effect on the conditions which can favor the growth of the invasive reed Phragmites.

Danger in the Reeds is a series of documentary videos developed to educate the public about an aggressive invading plant, Phragmites australis, which is pushing out the natural diversity with dense, monoculture stands of tall reeds with deeply penetrating roots.

One of our objectives with prescribed burns is to eradicate invasive non-native species such as cattails, phragmites and purpleloose strife which diminish the ecosystem and its value for wildlife.

As part of Mass Audubon's Salt Marsh Science Project, scientists and students have been measuring the salinity (salt content) of water at different depths to learn whether Phragmites distribution within the salt marsh is controlled by ground water (water deep below the ground surface that is the source of well and spring water) or interstitial salinity (water just below the ground surface from the tide).

Mass Audubon scientists are leading efforts to monitor the vegetation of salt marshes over time, particularly where the Phragmites are growing.

Depending on the wind speed, phragmites can burn between the size of one to three football fields per minute, the Times reported, and elected officials have worked to develop a plan to decrease the risk of fires in the borough.

The threat of brush fires is low for most of the city except Staten Island — which has had several large blazes in recent years linked to the prevalence of invasive reeds called phragmites that can quickly fuel the flames, the New York Times reported.

The team, led by University of Illinois postdoctoral researcher Andrew Mackay, found that mowing down cattails and phragmites, two invasive plants that tend to permeate stormwater basins, adds a lot of plant debris to the water.

Mowing phragmites, a tall and sturdy invasive grass, also dispersed a host of bird species that liked to roost in the grass, Allan said.

In their study of native and non-native sub-species of P. australis on both continents, researchers found that herbivores feed upon the native Phragmites in North America at a much greater rate than on the invasive Phragmites.

The once dense and ubiquitous common reed (Phragmites australis) served as raw material for homes, handicrafts, tools, and animal fodder for thousands of years.

«Because we found that all of the insects perform better on the native than on the invasive type, it suggests to us that if a biocontrol is released in North America, it's going to harm the native Phragmites more than the invasive,» they said.

In their study of native and non-native sub-species of P. australis on both continents, they also found that herbivores feed upon the native Phragmites in North America at a much greater rate than on the invasive Phragmites.

Based on their results, Meyerson and Cronin believe that efforts to identify an insect that could be used as an agent of biocontrol for the invasive Phragmites may do more damage to the native species than to the invasive variety.

At each site Meyerson and Cronin measured plant biomass and defenses against herbivores and quantified insect damage by galling, chewing and sucking (aphids) insects to measure the effects of herbivory on Phragmites fitness.

He never misses a chance to visit a certain clump of reeds called phragmites in a pond in Central Park; he stops there when he's in New York City the way some people make a point of popping into Zabar's.

Working on a piece of acrylic gessoed hardboard with acrylic paints, and with his two references visible — the heron on his tablet and the phragmites on the main screen — he began by blocking in some directional lines to indicate the reeds.