Sentences with phrase «grassland turned»

I saw patches of grassland turned sandy and beachlike, and huge curtains of dust raised by strong winds.

He details its lessons about how nature and humans coexist everywhere, and how what we often presume to be pristine rainforest or grassland turns out to be nature's response to some past human invasion.

«When a species begins to lose its habitat, as happened when Earth warmed up and the grasslands turned into forests, what you see is a steady dwindling of genetic diversity,» he says.

Not exact matches

We've taken nearly 100 acres of asphalt and concrete and turned them into a landscape of 9,000 trees, walking paths, and grasslands.

But the former revolutionary turned scientist recently came to a surprising conclusion about how best to bring back grasslands and in the process help address poverty and social breakdown in some of the poorest corners of the planet.

Other farmers are turning to native grasslands for economic alternatives.

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.

Scientists previously thought that long - term drying of the climate contributed to the growth of grasslands in the area and the rise of large herbivores, which in turn may have shaped how humans developed.

The team stresses that even a little warming could cause irreversible melting of ice sheets and turn dense Amazon forests into dry savannah grassland.

A mammoth, for example, would already have a home — Pleistocene Park in Siberia, tundra turned to fertile grassland by Sergey Zimov of the Russian Academy of Science.

According to Fredrickson, cattlemen do not want to be blamed for turning grasslands into dust - choked desert.

On a larger scale, communities and even corporations are doing their part to create areas of restored prairies which in turn will store organic carbon in the soil and help maintain the biodiversity of 3000 plus species that count on the grasslands for food and shelter.

A warm climate in the early 1200s made the grasslands lush and this, in turn, helped the Mongols extend their empire into Russia, he says.

The first boom for the then territory's cattle barons in the late 1800s turned what had been luxuriant grasslands into desert scrub.

That finding could, for example, support the idea of using more diverse seed mixes in prairie restoration projects, or keeping a prairie grassland instead of turning it into marginal agricultural land.

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

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).

The tour continues south along the peninsula to the lagoon of Boca Paila where we turn inland and enter the narrow 11 km natural canal which traverses the expansive mangrove swamp and savanna grassland which comprise much of the center of Sian Ka'an.

Turns out very recent research has discovered it actually was the grasslands that cooled the planet in the first place.

In the northern Sahel, grassland is turning to desert, forcing herders southward into the farming areas.

Drier conditions in many areas will turn forests into grasslands and wetter, warmer conditions will change grasslands into forests.

Countries are concerned about the growing displacement of people as grasslands and croplands turn to desert.

The rain foretss are not turning into grasslands.

A temperature rise of 5ºC would cause all ice - free land on the planet to experience dramatic changes in its eco-systems — for example, tundra turning to forests and African grasslands to deserts.

With the forage needs of Nigeria's 16 million cattle and 86 million sheep and goats exceeding the sustainable yield of grasslands, the northern part of the country is slowly turning to desert.

Over-grazing, logging, expanding farms and population pressure, as well as droughts, have turned once fertile grasslands into sandy plains.

Countries south of the Sahara are concerned about the growing displacement of people as grasslands and croplands turn to desert.

We've taken nearly 100 acres of asphalt and concrete and turned them into a landscape of 9,000 trees, walking paths, and grasslands.