Sentences with phrase «eroded soil»

Currently on Santa Rosa Island, a large section of island oak woodland is being restored though regeneration of eroded soil and restoration of understory native plant species.

As a result, you probably collected more eroded soil from rain falling on the bare soil.

Some soil suspended in the water will drain out with it but the majority of the eroded soil will settle to the bottom and stay in the pan.

To see the amount of eroded soil in your cake pan, slightly tilt the cake pans (one at a time) to drain the water.

New research by scientists at the University of Vermont and Imperial College, London, published in the February 2015 issue of the journal Geology, show that eroded soil, carried in rivers like this one, accelerated dramatically in the wake of European forest - clearing and intensive agriculture in North America.

We are comparing apples and oranges here — and cotton pesticides, eroded soil from cotton fields, emissions from logging trucks, oil spills, hazardous wastes from refineries and petrochemical and plastics plants.

Western forests are clear - cut, and eroding soil clogs salmon spawning areas.

«Hello people, goodbye soil: Humans erode soil 100 times faster than nature.»

Lal says that the greatest opportunities lie in the world's most depleted and eroded soils, in sub-Saharan Africa, south and central Asia, and Central America.

In the first year, NMSU research projects will include bio-inspired soil reinforcement, a study of the mechanisms of root growth and mechanical reinforcement in unsaturated soil; bio-enhanced removal of contaminants in groundwater; revegetation of degraded top soils, stripped lands or salinized and eroded soils; and development of self - motile probe for multi-sensor deployment for subsurface investigations.

That was an ugly world of profligate chemical use and eroding soils.

Eroding soil had revealed the jaws.

«Environmental scientists have been saying for some time that the global economy is being slowly undermined by environmental trends of human origin, including shrinking forests, expanding deserts, falling water tables, eroding soils, collapsing fisheries, rising temperatures, melting ice, rising seas, and increasingly destructive storms,» 6.

In that first and subsequent two editions Brown does a commendable job of spelling out and interconnecting all the stresses on the Earth - eroding soils, falling water tables, rising temperatures, poverty and population pressures.

With falling water tables, eroding soils, and rising temperatures making it difficult to feed growing populations, control of arable land and water resources is moving to center stage in the global struggle for food security.

(Both cause plant cover to decrease which causes soil moisture decreases often making storms less frequent, less regular, less predictable and more intense, further decreasing plant cover, reducing or killing crops, eroding soil (leading to decreased fertility, water pollution, etc.) and spiraling down into desertification and the creation of wasteland from what had been a fertile, verdant landscape.

With food scarcity driven by falling water tables, eroding soils, and rising temperatures, control of arable land and water resources is moving to center stage in the global struggle for food security.

These trends include — in addition to falling water tables — eroding soils and rising temperatures from increasing greenhouse gas emissions.

«Environmental scientists have been saying for some time that the global economy is being slowly undermined by environmental trends of human origin, including shrinking forests, expanding deserts, falling water tables, eroding soils, collapsing fisheries, rising temperatures, melting ice, rising seas, and increasingly destructive storms,» says Brown, President and Founder of the Earth Policy Institute, a Washington, D.C. - based independent environmental research organization.

Over time, the release of water over the earth begins to erode the soil into pathways.

Not exact matches

We worry that arable soil is eroding and that water for irrigation is being used unsustainably.

We can not blow up the world and continue to live on it; we can not destroy the ozone layer without risking skin cancer; we can not pollute all waters and be able to drink; we can not denude the surface of trees and expect the soil not to erode.

Soils are eroded and poisoned on a massive scale.

Coffee farms of various sizes ring the reserve, acting as a buffer for the natural forest and preventing the land from being converted to row - crop agriculture or ranches, which quickly degrade and erode the thin tropical forest soil.

While in conventional agriculture in the tropics even flat soil gets eroded due to the use of herbicides and the lack of soil cover, in organic agriculture permanent soil cover is an intrinsic part the system.

The line broke after soil eroded near a pipeline that was improperly connected by a contractor, federal investigators found.

On average, he found, plowed land erodes at slightly more than 1 millimeter per year, while new soil builds up at about 0.2 millimeter per year.

When the river overflows its banks, it carries the soils from the floodplain and eroded upland agricultural soils down - stream creating sand dunes, mud flats, and deltas.»

In addition, the crab burrows make the soil more likely to erode.

Then, in just a few decades of intensive logging, and cotton and tobacco production, as much soil eroded as would have happened in a pre-human landscape over thousands of years, the scientists note.

«Soils fall apart when we remove vegetation,» Bierman says, «and then the land erodes quickly.»

A recent assessment carried out by the JRC estimates that water erodes 970 million tonnes of soil every year in the EU.

Evidence of fire is ephemeral: Its traces, in the form of ashes or baked soils, are usually eroded away by wind or water.

«Africa loses an estimated $ 4 billion of soil nutrients yearly, severely eroding its ability to feed itself,» said Nigerian president Olusegun Obasanjo at the launch of the report in New York city, US, on Thursday.

Most breaks on fossilized bones are «the result of geological processes well after death,» says paleoanthropologist Tim White of the University of California, Berkeley, such as movement in water or soil, tectonic forces, pressure of overlying sediments, and weathering or trampling of fossils as they erode out of sandstone.

One of the byproducts of that soil system was clay, which eroded down to the sea, trapped organic carbon and thus freed oxygen to percolate into the atmosphere.

That's because the plants are especially tolerant to copper that has eroded into soils from the mother lodes.

Storm water pouring over the concrete floodwalls in many places eroded away the soil on the other side that gave those structures their footing.

Light rocky soils erode rapidly under cultivation and are best left in permanent cover.

Between 16,000 and 10,000 years ago, for instance, geologic evidence suggests that the region became seismically active after the Mississippi River eroded too much soil from the ground above.

Root growth improvement of mesquite seedlings and bacterial rhizosphere and soil community changes are induced by inoculation with plant growth - promoting bacteria and promote restoration of eroded desert soil — Cristina Galaviz — Land Degradation and Development

And since annual fields are left fallow over winter, the bare soil erodes and leaches fertilizer into streams.

Our soil is over-worked, eroded, contaminated, and ineffectively fertilized, so the soil itself suffers from severe mineral deficiencies.

He has spent seven years up in the mountains, riding around eroded hillsides, planting sheltering belts of saplings, educating his peasants about soil conservation, and enforcing ordinances banning...

Largely sandstone, with only a thin soil layer and frequent outcrops of bedrock, the shores of these islands are often eroded in bizarre, picturesque shapes.

Starting with a tired soil (and there are a lot of these around the world) carbon can build for decades — according to work at Rodale Institute (and other long term field trials) carbon is continuing to be stored at depth in their organic farmed fields 30 years after the founders bought some Pennsylvania fields that had been worn out and eroded through conventional chemical farm methods.

If you graze a site intensely you've got soil immediately available to be displaced and mobilized / eroded if you have a heavy rainfall event.

More straightforward estimates suggest that worldwide, some 25 billion tons of valuable agricultural soil is eroded every year.

Even when the terraces didn't erode, rains sluiced away the nutrients and organic matter in the soil.

The soil thaws, the surface collapses, lakes form, water flows, land surfaces erode which in turn releases more carbon dioxide to create more warming, to make the tundra even more vulnerable to spring thaw, and of course to accelerated warming.