Sentences with phrase «from grassland»

Development, drought, and other factors have conspired to turn wide stretches from grassland and farmland into dusty deserts and scrubland.

A peat bog in Romania provides a new insight into our knowledge of when the Sahara began to transform from grassland into the desert we know today, and the impact this had on dust deposition within Eastern Europe.

Okin is now studying how winds scour nutrients from grassy areas and deposit them around shrubs, gradually killing off the grass and changing the desert from grassland to shrubland.

Hunting, ecotourism and «dude ranches» are other potential sources of income from grasslands.

«When we plowed up the prairies, we released carbon from the grasslands and soils into the atmosphere.

This pattern has emerged time and again in studies on ecosystems ranging from grasslands to Arctic tundra.

DNA recovered from calcified plaque on teeth from four Neandertal individuals suggest that those from the grasslands around Beligum's Spy cave ate woolly rhinoceros and wild sheep, while their counterparts from the forested El Sidrón cave in Spain consumed a menu of moss, mushrooms and pine nuts.

We work in all 50 states and more than 30 countries - protecting habitats from grasslands to coral reefs, from Australia to Alaska to Zambia.

In the Aleutian archipelago, predation of seabirds by introduced Arctic foxes (Alopex lagopus) has lowered nutrient input and soil fertility, ultimately causing vegetation to transform from grasslands to dwarf shrub / forb - dominated systems (12).

They utilize a wide range of habitat from grasslands to deserts to forests and more recently, urban parks and neighborhoods.

The country boasts thirty - seven National Parks and a further eight National Park Reserves which between them cover every kind of terrain from grasslands to glaciers.

From the grasslands to the hotdog spaceship, Superola will have to escape from the volcano, explore the abandoned castle, skate through the city and battle penguins on the frozen mountain.

With the seamless fusion of completely different media and styles, this exhibition celebrates the rustic animals of the West from the grasslands of Texas.

«Research has shown the economic benefit of wildlife provided from grasslands is estimated at $ 63 per acre.

Not exact matches

Geladas live in an open grassland habitat and typically produce loud vocal calls during mating, so the dominant male should be able to easily detect any infidelity and stop it from happening.

All food for human consumption, and for many other species as well comes either directly or indirectly from four biological systems: croplands, grasslands, forests and fisheries.

To this end, the soil — from which our nourishment comes — must be carefully husbanded by the use of the many techniques now well understood by scientific farmers, such as proper drainage and irrigation, contour plowing, crop rotation, fertilization, and preservation of forests and grassland.

Indeed, language may be THE most important ingredient in why and how we changed from just another band of hominids on the African grasslands to a truly global species that has dominated the environment, for good and ill, like no other species in history.

Located in Marin County approximately 30 miles west - northwest of San Francisco, the coastal grasslands of Point Reyes are filled with happy cows from our family farms.

With regard to pollinators, which greatly benefit from a richness of flowers, the fact that flowering weeds are more diverse and more abundant in organic arable fields and in organic grassland compared to conventional fields, where only few species and numbers were found, is particularly important.

Known for its mild, coastal climate, pristine coastal grassland, and fresh marine air — with virtually no pollution from traffic or factories — the area is a quiet escape from city life.

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.

Spreading across more than 700 acres in Easthampton and Northampton along the western bank of the oxbow, the wildlife sanctuary offers visitors a range of landscapes and habitats attractive to birds, from marshes and meadows to grasslands and forest.

Grasslands mixed with south coastal shrublands and forests dominate Ghana, with forest extending northward from the south - west coast of Ghana on the Gulf of Guinea in the Atlantic Ocean 320 kilometres (200 miles) and eastward for a maximum of about 270 kilometres (170 miles) with the Kingdom of Ashanti or the southern part of Ghana being a primary location for mining of industrial minerals and timber.

The study also looked beyond deforestation, analysing changes between different types of vegetation, from evergreen forests to savannas, shrublands, grasslands, croplands and wetlands.

Gimbutas traced the language back to the Yamnaya people, herders from the southern grasslands of modern - day Ukraine who domesticated the horse.

Just 2 months after the Aru disaster, Chinese scientists were on hand when a surge from an adjacent glacier engulfed another swath of grassland.

RAIN OUT Rainier conditions than previously thought turned the Sahara Desert into grasslands, lakes and rivers from 11,000 to 5,000 years ago, a new study finds.

«We know from studying these birds today that their habitats are pine grasslands that are found in cooler, dryer regions.

The Amazon could flip from being rainforest to grassland, just as the Sahara suddenly dried up 8000 years ago.

In addition, changing the land use from wild grasslands to cropland can minimize the carbon benefits of biofuels (ClimateWire, April 6).

«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.

The last Pleistocene ice age swept the earth around the time of the apes» demise, triggering a shift from forest to grassland.

Most wildlife research has been done in grasslands, where it's much easier to work, but «there is a vast amount of information still to be learned from rainforests,» Karesh says.

«There is a huge imbalance between the carbon lost by plowing up a hectare [2.47 acres] of forest or grassland from the benefit you get from biofuels.»

They analyzed published results from 53 different experiments in forests, grasslands and agricultural fields around the world.

«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.

«We had a lot of buy - in from stakeholders and we had an effective oversight committee,» said Sandercock, who studies grassland birds.

Ecologist John Orrock, who studies how animals balance the need to protect themselves from predation with other needs, such as eating and mating, hatched the idea for this research when he was studying snails in a California grassland.

An excerpt from Eric Dinerstein's Kingdom of Rarities explores whether the anteater and other South American oddities can survive as Brazil's Cerrado grassland is converted into cattle ranches and soybean farms

They range from steamy lowland jungles, swamps, and floodplains to cloud forests, alpine grasslands, and glaciers capping mountains more than 16,000 feet high.

As they report in an upcoming issue of Geophysical Research Letters, since 1950 the baseline stream flow — the amount coming from groundwater, not over the surface from rainfall — has doubled in areas where the trees have replaced the formerly degraded grasslands.

This theory has been borne out extensively in the Southwest, where fires over the past two decades have shifted large sections of landscape from coniferous forest to shrub and grassland (ClimateWire, June 28, 2012).

«The story told in most textbooks and museums is that as grasslands gradually took over from forests, horses got bigger, and they reduced their toes to a single digit,» said first author Brianna McHorse, a Ph.D. student working in the labs of Assistant Professor Stephanie Pierce and Professor Andrew Biewener in the Department of Organismic and Evolutionary Biology.

Corn - based ethanol doesn't meet that test and won't benefit from the new standard, CARB says, because diverting corn into ethanol production increases deforestation and the clearing of grasslands.

Grazed, mixed open woodlands have been transformed into dense forests and domestic grazers have been relocated from woodlands to arable fields and semi-natural grasslands.

Over two years of field experiments in the south west the team demonstrated that the hybrid, named Festulolium, reduced water runoff from agricultural grassland by up to 51 per cent compared to a leading UK nationally - recommended perennial ryegrass cultivar and by 43 per cent compared to meadow fescue.

To plant the corn or sugarcane or soybeans from which biodiesel and bioethanol are made, farmers would first need to clear forests and grasslands.

The soil was taken from either a heathland — rolling hills dominated by heather and small shrubs — or a grassland.

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.