News tagged with perennial vegetation
Perennial vegetation, an indicator of desertification in Spain
A team of scientists has analyzed 29 esparto fields from Guadalajara to Murcia and has concluded that perennial vegetation cover is an efficient early warning system against desertification in these ecosystems. ...
Sep 04, 2009 |
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Search results for perennial vegetation
Dry rivers, vibrant with culture and life
'When the River Runs Dry' is a familiar song in Australia. Some rivers in the arid center of the continent flow only after a stiff monsoon season, and smaller tributaries all over the country commonly shrink to puddled potholes ...
May 07, 2012 |
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Holm oaks will gain ground in Northern forests due to climate change
Holm oaks and other forests in lowland areas of Mediterranean mountains could expand by up to 350% due to global warming. In contrast, those forest formations that are more adapted to cold and humid conditions, ...
Nov 08, 2011 |
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Severe drought, other changes can cause permanent ecosystem disruption
(PhysOrg.com) -- An eight-year study has concluded that increasingly frequent and severe drought, dropping water tables and dried-up springs have pushed some aquatic desert ecosystems into “catastrophic ...
Oct 13, 2011 |
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Certain biofuel mandates unlikely to be met by 2022; unless new technologies, policies developed
It is unlikely the United States will meet some specific biofuel mandates under the current Renewable Fuel Standard by 2022 unless innovative technologies are developed or policies change, says a new congressionally requested ...
Technology / Energy & Green Tech
Oct 04, 2011 |
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Do long-lived crops differ from annual crops in their genetic response to human domestication?
Most of what we have come to think of as our daily fruits, vegetables, and grains were domesticated from wild ancestors. Over hundreds and thousands of years, humans have selected and bred plants for traits ...
Sep 27, 2011 |
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Planning must start now to bring Rangeland back from drought
As a blistering drought continues to plague huge portions of Texas, a Texas Tech University researcher says that even now in the midst of the fight it’s time to plan ahead and logically plot a path for pulling more than ...
Aug 18, 2011 |
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Big clue to future climate change in small plants
Yarrow, it's called, this flowering plant also known as "little feather" for the shape of its leaves. Prized as a garden plant that repels unwanted insects while attracting beneficial ones, it also improves ...
May 19, 2011 |
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Researchers develop stink bug monitoring tool
(PhysOrg.com) -- As crop growers and homeowners brace for another year of infestations by the brown marmorated stink bug, Penn State researchers have released a Web-based tool that they hope will help enhance ...
May 04, 2011 |
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Hidden water holds the key to a changing desert
Passover, which celebrates the Israelites' flight from Egypt, ended Tuesday night. Yet after the exodus, they wandered the desert for 40 more years. There, Moses struck a rock with his staff and made water ...
Apr 27, 2011 |
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Research on satellite imagery aims to advance sustainable agriculture
Irrigating agricultural crops places huge demands on water resources around the globe. In Spain for instance, where agriculture is a major contributor to the nation's economy, 85% of country's total water demand comes from ...
Apr 01, 2011 |
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List of search results for perennial vegetation
