Sentences with phrase «native grasslands»

Meanwhile, new reports in the United States showed that two million acres of native grasslands have been converted to corn and soy monocultures in the past five years alone, driven in part by government subsidies and targets for the ethanol industry.
A pilot program on offsetting for native grassland perennials was established in southeastern Alberta.
But the land is under pressure, with crops, especially soybean, replacing native grassland at an increasing rate, and livestock production becoming more intensive.
In either case, the animals may feed on native grasslands, leys or grains.
Prior to his work at USAID, Glover studied native grasslands and farming systems, including no - till, perennial, organic and integrated systems.
This led him to appreciate that animal disturbance could benefit as well as harm a landscape, and that this was how wild herds of grazing animals had maintained native grasslands.
Native grasslands everywhere are being replaced by farms and pastures.
A Purdue University study found that yellow star thistle has some of the greatest response to elevated carbon dioxide every observed, and that makes it a stronger competitor to native grassland species.
The Bay Area was once covered with native grasslands, but most of these ecosystems have since been converted to farmland and urban areas.
Dense wooded areas give way to open native grassland and wetland areas where it's not uncommon to spot wildlife during your round.
The aggressive spread of Salvation Jane across former native grasslands gave rise to its other nickname, Patterson's Curse, named after the hapless settler who imported seeds in the 1880s to plant an ornamental flower that would leap the garden fence and run amok.
The area currently supports around 43 million cattle, 14 million sheep and 260,000 farming households; more than 80 % of the region is covered by native grasslands, sown pastures and annual crops, with tree plantations and forest taking up the rest.
In this region, annual losses of native grasslands to crop production have averaged approximately 50,000 acres per year since 2007, leading to significant GHG emissions due to the release of carbon dioxide from soils when they are tilled.
Affected lands are returned to forest and native grasslands at a surprising pace.
«This alternative model of intensification is part of a new approach to livestock production on native grasslands but promising in terms of sustainable livestock systems,» said Modernel, who would like to see policies that enable the economic conditions for farmers to change their management strategies.
Other farmers are turning to native grasslands for economic alternatives.
More than half these native grasslands have been converted to crops, including nearly 25 million acres since 1982, according to a 2007 General Accounting Office study.
Those native grasslands burned all the time.
It's the native grasslands where prey like jackrabbits and cottontail rabbits are most abundant, and eagles may venture to hunt even if there are wind turbines present.
Boal wants to find a way to estimate how many eagle chicks can be produced by restoring a certain amount of land to native grassland that eagles can hunt in.
Brought about by a mixture of factors, including removal of native grasslands, excessive plowing and cultivating, scorching temperatures, and crippling drought, the Dust Bowl was the worst sustained environmental disaster in U.S. history.
A hike along the Sonoma Valley floor — winding through oak woodlands, native grasslands and chaparral — trumps the dog park any day.
I think of all the well - intended people who sincerely believe that pasture for cows or cleared land for crops or oil and gas extraction or mining for minerals or charcoal for steel making or lumber for houses or dams for energy or roads for commerce are improvements over the otherwise «wasted» forests of Amazonia or native grasslands of the Cerrado.
In the Prairie Pothole Region of Montana, North Dakota and South Dakota, annual losses of native grasslands have averaged approximately 50,000 acres per year since 2007, leading to a significant loss of soil carbon, and emitting 20 - 75 MTCO2e / acre.
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