Sentences with phrase «grassland at»

But the land is under pressure, with crops, especially soybean, replacing native grassland at an increasing rate, and livestock production becoming more intensive.

That shift in features could signify that an entirely different species was roaming the chilly European grasslands at that time, the researchers write today in Nature Communications.

Affected lands are returned to forest and native grasslands at a surprising pace.

Not exact matches

California Food Summers: As a child, I spent summers at the ranch house of my grandparents (Bessie and Jim) in the grasslands of California's Central Valley (near the little town of Snelling).

Paper at: EGF - The Role of Grasslands in a Green Future, Akureyri, Iceland, 26 June 2013.

On the lee slope of Mauna Kea, where the grasslands burnished by the sun are interspersed with brush and clumps of mamani trees, public hunting grounds stretch from 6,000 feet elevation up over the volcanic rubble that caps Mauna Kea at 13,800 feet.

The local Bikeways Plan places Centennial Park at the hub of a network connecting the Tinley Creek Forest Preserve to the northeast with the Orland Grasslands Forest Preserve to the southwest.

At Canoe Meadows, two fields will be connected to create 60 acres of unbroken grassland this fall by removing a hedgerow of pine trees and invasive species.

Supplementing the cows with feed such as corn dried distillers grains with solubles will provide the animals with the extra nutrients they require, according to research at NDSU's Central Grasslands Research Extension Center, near Streeter.

PITTSFIELD, MA — Mass Audubon's Berkshires Sanctuaries will be working this fall to improve habitat for bobolink and other grassland birds in a field at its Canoe Meadows Wildlife Sanctuary in Pittsfield.

Also at 8:30 a.m., the SUNY Board of Trustees and its committees kick off two days worth of meetings, Westchester Community College 75 Grasslands Rd., Valhalla.

At 9 a.m., Commissioner MaryEllen Elia and Regent Judith Johnson will tour Career and Technical Education programs at the Center for Career Services, followed by a tour of Pocantico Hills Central School, 65 Grasslands Road, ValhallAt 9 a.m., Commissioner MaryEllen Elia and Regent Judith Johnson will tour Career and Technical Education programs at the Center for Career Services, followed by a tour of Pocantico Hills Central School, 65 Grasslands Road, Valhallat the Center for Career Services, followed by a tour of Pocantico Hills Central School, 65 Grasslands Road, Valhalla.

Prior to his work at USAID, Glover studied native grasslands and farming systems, including no - till, perennial, organic and integrated systems.

«Conventional wisdom in human evolutionary studies since has supposed that the origins of knapping stone tools was linked to the emergence of the genus Homo, and this technological development was tied to climate change and the spread of savannah grasslands,» says Dr. Lewis, a Research Assistant Professor at TBI.

This shows that the expansion of grasslands isn't solely due to drought, but more complex climate factors are at work, both for modern Africans now and ancient Africans in the Pleistocene.

«Previous studies of the impacts of drought on flowers and bees have looked at individual species, often in the laboratory, but we used an experiment with rain shelters to examine the effects on real communities of plant species living in chalk grassland,» said Dr Ellen Fry from the University of Manchester, who set up the experiment.

«You can look at... the transition of pasture grassland to forests,» he says, habitats which determine the range of deer.

«It's clear from this research that if you don't burn at all, these grassland streams basically are going to switch to forests and will not be grassland streams anymore,» Dodds said.

By looking at 25 years of data on the Konza Prairie Biological Station, Allison Veach, doctoral student in biology, Muncie, Indiana, and Walter Dodds, university distinguished professor of biology, are researching grassland streams and the expansion of nearby woody vegetation, such as trees and shrubs.

The researchers — led by Brett Sandercock, professor of biology — discovered that wind turbines have little effect on greater prairie chickens, and that these grassland birds are more affected by rangeland management practices and by the availability of native prairie and vegetation cover at nest sites.

A team led by Thomas Stohlgren of the U.S. Geological Survey's Biological Resources Division decided to revisit the problem by comparing two biomes — temperate grasslands and mountains — at several spatial scales.

Ledi - Geraru hosted a different fauna just 200,000 years later, with grazers such as gazelles, zebras, wild pigs, and a baboon at home in open grasslands like the Serengeti.

Findings in the paper, «Worldwide Evidence of a Unimodal Relationship between Productivity and Plant Species Richness,» reveal a consistent biological rule governing the link between plant biomass and species richness in grassland ecosystems — plant species diversity is generally greatest at intermediate levels of plant biomass.

Unlike its tree - dwelling relatives, the drab - coloured little songbird lives exclusively above the tree line at 3,300 to 5,400 m, on rocky steppes and grasslands of the Tibetan plateau.

Increasing demand for corn, wheat, soybeans, sugar, vegetable oil and cassava competes for limited acres of farmland, at least until farmers have had time to plow up more forest and grassland, which means that tightness in one crop market translates to tightness in others.

A new study, led by University of Minnesota College of Biological Sciences researcher Eric Seabloom, addresses that gap, drawing on data collected at 64 grassland sites in 13 countries.

Hanqin Tian, an ecologist at Auburn University in Alabama who studies modern grasslands, is working on models to correlate ancient grass production with the tree - ring records of weather.

Lek abandonment was also more likely at sites where there were seven or fewer males and at sites located in agricultural fields instead of natural grasslands.

Global warming won't just melt ice caps; it could create whole new biomes — major ecosystem types like forest, desert, grassland, and tundra — say climatologists led by John Williams at the University of Wisconsin at Madison.

This article appeared in print under the headline «Mystery fairy circles in Namibia's grassland explained at last?»

Robert Pringle, an assistant professor in ecology and evolutionary biology at Princeton and co-author of the Science paper, said that the unexpected function of termites in savannas and grasslands suggests that ants, prairie dogs, gophers and other mound - building creatures could also have important roles in ecosystem health.

During the past decade, Richardson has spearheaded an effort to install more than 80 such cameras at sites across North America, from the arctic tundra near northern Alaska's Toolik Lake to the tropical grasslands surrounding Hawaii's towering Mauna Kea.

However, the study showed, experts were better at identifying the specific land - cover types such as forest, farmland, grassland, or desert.

Researchers measured the rate at which soil absorbed water on grasslands with active pika colonies and in places where pikas had been exterminated for more than 2 years.

Their studies of the forest chimpanzees of West Africa suggest that for explanations of the physical and social characteristics of our earliest hominid forbears we should look at forests and woodland, not bush and grassland (New Scientist, Science, 19 May 1990).

For instance, the habitat at Hadar and Laetoli was a mixture of forest, closed woodland and grassland around the Rift lakes, with forest on the nearby mountains.

Gifford Miller, a geologist at the University of Colorado at Boulder, and his colleagues believe people systematically burned the nutrient - rich grasslands, inadvertently transforming them into the expanses of fire - tolerant, less nutritious grasses found in Australia today.

Researchers from the University of Exeter simulated the effects of street lighting on artificial grassland plots containing a community of invertebrates at night, exposing them to two different types of light treatment — a «white» light similar to newer commercial LED street lighting systems and an «amber» light simulating the type of sodium street lamp still found in much of the UK.

Hippos wallow in freshwater pools during the day to escape the sun (right); at night they plow through the mud to grasslands to eat, trampling out hippo highways in the process.

It also helps make the connection between increased overgrazing and land degradation in the Eurasian grasslands and a surge in locust outbreaks, adds Stephen Simpson, a comparative nutritional ecologist at the University of Sydney, who also was not involved in the research.

To reach their conclusion, the researchers looked at a grassland experiment in Minnesota as well as lands converted from crops to grasslands through the U.S. government's Conservation Reserve Program.

«The data was collected as part of a programme supported by the Deutsche Forschungsgemeinschaft in 150 grasslands across Germany, the so called «Biodiversity Exploratories»,» says Professor Wolfgang Weisser of the Chair for Terrestrial Ecology at the Technical University of Munich (TUM)-- «it constitutes the most extensive ecological sampling in Europe.»

The study was carried out at 60 different sites of alpine grassland on the Tibetan Plateau in China which was chosen for its extensive variation in climate across sites.

Since 1982, researchers at this arid, semi-arid site have studied dramatic changes in vegetation, as perennial grasslands give way to shrubland in a process known as desertification.

The grasslands will be maintained by grazing livestock until at least 2024 under a 10 - year contract signed through a scheme supported by the Estonian government.

My research indicates that the Siberian peat moss, Arctic tundra, and methal hydrates (frozen methane at the bottom of the ocean) all have an excellent chance of melting and releasing their stored co2.Recent methane concentration figures also hit the news last week, and methane has increased after a long time being steady.The forests of north america are drying out and are very susceptible to massive insect infestations and wildfires, and the massive die offs - 25 % of total forests, have begun.And, the most recent stories on the Amazon forecast that with the change in rainfall patterns one third of the Amazon will dry and turn to grassland, thereby creating a domino cascade effect for the rest of the Amazon.With co2 levels risng faster now that the oceans have reached carrying capacity, the oceans having become also more acidic, and the looming threat of a North Atlanic current shutdown (note the recent terrible news on salinity upwelling levels off Greenland,) and the change in cold water upwellings, leading to far less biomass for the fish to feed upon, all lead to the conclusion we may not have to worry about NASA completing its inventory of near earth objects greater than 140 meters across by 2026 (Recent Benjamin Dean astronomy lecture here in San Francisco).

http://www.sciencedirect.com/science/article/pii/S0921818116304787 «Unfortunately, a new study by Reich and Hobbie (2) in Nature Climate Change indicates that nitrogen availability does indeed constrain the CO2 fertilization effect over the long term, at least for grassland plants.»

Once a captive breeding population of Woolly Mammoths is large enough, herds can be established at suitable grassland restoration sites throughout the arctic.

Grasslands is a great spot for an intimate dinner on the town and offers exclusively vegan dishes that are just as innovative as any you would find at an omnivorous restaurant.

And the man behind the Urban Herbivore Trifecta is also providing veggie options at his higher end full - service restaurant on Queen West called Grasslands (formerly Fressen).