Sentences with phrase «in land ecosystem»

Dr. Alex B. Guenther, a renowned scientist in land ecosystem and atmospheric research, has joined the Pacific Northwest National Laboratory to lead research in the interactions between terrestrial systems and climate.

Not exact matches

Suncor is committed to ultimately returning all lands disturbed by our oil sands mining and in situ operations to a self - sustaining boreal forest ecosystem.
Wagoner and the Rodale Institute passed the baton in 2002 to the Land Institute, in Salina, Kansas, a nonprofit agricultural - research centre dedicated to replacing conventional agriculture with processes akin to those that occur in natural ecosystems.
The following are the ranching, land use and farming practices that can help you in creating healthy natural ecosystems and regenerative food systems:
1) Conserved natural ecosystems; 2) Areas being restored to natural ecosystems; 3) Tree cover within agroforestry or silvopastoral production plots2; 4) Gardens, live fences, riparian zones or border plantings; or 5) Off - site compensation areas, including land held in common by farmer groups that is not part of individual member farms3.
This way of «knowing» resulted in one of the most sophisticated, most widespread and most responsible of continent - wide integrated land - use practices devised anywhere on Earth, and which extended throughout multiple ecosystems and «Countries».
The ecosystem approach is a strategy for the integrated management of land, water and living resources that promotes conservation and sustainabe use in an equitable way.
Felling of native forests in this region, burning of the land and cereal monocultures have led to a continued destruction and alteration of the structure and function of the ecosystem.
The benefits of organic farming include the guardianship of our natural land resources, native plants, wildlife, insects, and birds, the development and conservation of natural ecosystems and a reduction in the nitrate and agrochemical pollution of our countryside and water courses.
This three - year project will determine the economic value of these «ecosystem services» received from conserved land and clean water, and incorporate the information into decision - making for smart land use in both Massachusetts and Rhode Island.
Tidmarsh Wildlife Sanctuary is a landscape of hope — land conservation in a climate - changing world that revives degraded landscapes into beautiful, regenerative ecosystems for all to enjoy.
The Executive Director of the Centre for Natural Resources and Environmental management Koshi Kwawu Kumi told Joy News» Volta Region correspondent Ivy Setordzie «oil exploration in the fragile ecosystem will not in any way benefit the citizens of Anlo land
Earlier this year BASC published a white paper highlighting the important role that shooting plays in landscape - scale land management and highlighted the conservation based ecosystem services it provides in partnership with other land users and managers.
National studies verify that the value of ecosystem services and benefits far outweigh the cost of preventing land degradation or the cost of remediation in most situations.
Although attempts are undertaken to prevent degradation of land and nature in Europe, biodiversity has decreased and the acreage of natural ecosystems has further declined.
By, for example, examining what people in the area use different trees and shrubs for and look at how the landscape changes, we can better understand how land use, social change, climate and ecosystems interact, even in ways that can be unexpected,» says Lowe Börjeson, Associate Professor at the Department of Human Geography, Stockholm University.
To better inform the tradeoffs involved in land use choices around the world, experts have assessed the value of ecosystem services provided by land resources such as food, poverty reduction, clean water, climate and disease regulation and nutrients cycling.
Carbon dioxide levels in lakes are often high and vary widely from lake to lake based on factors such as the type of nearby ecosystem, land use such as agriculture, sizes of the lake and watershed, amount of precipitation, and because some types of soils and rocks absorb more CO2 than others.
The satellite - based record of land surface maximum temperatures, scientists have found, provides a sensitive global thermometer that links bulk shifts in maximum temperatures with ecosystem change and human well - being.
That human land use destroys natural ecosystems is an oft - cited assumption in conservation, but ecologists have discovered that instead, traditional ranching techniques in the African savanna enhance the local abundance of wild, native animals.
However, land use causes a reduction of the number of species in many ecosystems.
Because of unprecedented hurricane - related rainfall in southeastern Texas last week, the Gulf of Mexico and its bountiful offshore ecosystems are contending with the record - setting pulse of freshwater — a volume of water exceeding the entire Chesapeake Bay — that surged off the land, sweeping along sediment, nutrients, and pollutants.
They can ravage land ecosystems, but until now little has been known about their effects in the seas.
But current evidence suggests that plastic pollution is as prevalent in land and freshwater ecosystems as it is in the oceans, where it's found «from the equator to the poles,» says Rochman, author of a separate commentary on the state of plastic pollution research published in the April 6 Science.
«Similarly, the intensification of land use results in the destabilization of the animal and plant community and this, in turn, impairs the entire ecosystem,» adds Dr. Nadja Simons (also from the TU Munich).
First, they help determine the resilience of ecosystems on land and at sea, which in turn impact whether larger boundaries, such as climate change, are transgressed.
Roads, for example, appear to directly affect only a relatively small strip of land, but they also cut ecosystems in half, altering the survival prospects of species living on either side of them.
But, for land in particular, our impacts on the planet's terrestrial surface are now so extensive and transformative that they threaten the capacity of varied ecosystems to self - regulate and maintain the living biosphere overall.
Such resources, known as ecosystem services, were the subject of a symposium held at AAAS» headquarters in Washington, on May 19 where experts explored the role played by the natural forces of ecosystems in protecting adjacent lands and local communities.
In this scenario, they would replace natural ecosystems on fertile land the size of more than one third of all forests we have today on our planet.
Free - floating Antarctic icebergs significantly change the marine ecosystems directly around them by hosting land - based matter, chlorophyll, krill and seabirds, according to a report in this week's Science.
«We know that carbon footprint, a popular indicator used in environmental policies, does not correspond well with other environmental impacts such as toxicity to ecosystems and humans, depletion of resources, and land use.
Logging and other land - use changes are a major cause of soil carbon release, but there has been recent interest to further understand soil carbon dynamics in forested ecosystems after logging.
Furthermore, this information can be a practical tool for planning sustainable landscapes, and should be incorporated into different land use policies, such as the Brazilian Forest Code, programs for ecosystems payments or in socio - environmental certification incentives.»
There are already some schemes in Brazil to pay private land owners to set aside land to conserve the forest, preserve species and maintain healthy ecosystems, but these have been local - scale initiatives that have had little impact on maintaining and improving the conditions of the forest as a whole.
Professor Friedlingstein, who is an expert in global carbon cycle studies added: «Current land carbon cycle models do not show this increase over the last 50 years, perhaps because these models underestimate emerging drought effects on tropical ecosystems
Researchers at the National Oceanic and Atmospheric Administration's (NOAA) Alaska Ecosystems Program announced findings this week that may explain what the marine mammals are looking for when they swim hundreds of kilometers from land in search of food.
In this new study scientists calculated how much it would cost to set aside land in priority landscapes across the whole Atlantic Forest in order to restore the minimum amount of habitat needed to conserve biodiversity and maintain ecosystem functionIn this new study scientists calculated how much it would cost to set aside land in priority landscapes across the whole Atlantic Forest in order to restore the minimum amount of habitat needed to conserve biodiversity and maintain ecosystem functionin priority landscapes across the whole Atlantic Forest in order to restore the minimum amount of habitat needed to conserve biodiversity and maintain ecosystem functionin order to restore the minimum amount of habitat needed to conserve biodiversity and maintain ecosystem functions.
But biogeochemist Kenneth Coale, director of Moss Landing Marine Laboratories in California, estimates that the silicon - rich southern part of the Southern Ocean would deliver up to twice as much potential carbon sequestration as the northern area Smetacek fertilized, in large part because of the diatoms and associated ecosystem dynamics.
Humans depend on high levels of ecosystem biodiversity, but due to climate change and changes in land use, biodiversity loss is now greater than at any time in human history.
«We need to be less sure about what land ecosystems will do and what we expect in the future,» says ecosystem ecologist Peter Reich of the University of Minnesota in St. Paul, who led the study.
In a column in The New York Times last October science writer George Johnson likened Hawaiian's opposition to the telescope to the Catholic Church's oppression of Galileo, and suggested that the indigenous protesters were pawns of environmentalists who «have learned that a few traditionally dressed natives calling for the return of sacred lands can draw more attention than arguments over endangered species and fragile ecosystems.&raquIn a column in The New York Times last October science writer George Johnson likened Hawaiian's opposition to the telescope to the Catholic Church's oppression of Galileo, and suggested that the indigenous protesters were pawns of environmentalists who «have learned that a few traditionally dressed natives calling for the return of sacred lands can draw more attention than arguments over endangered species and fragile ecosystems.&raquin The New York Times last October science writer George Johnson likened Hawaiian's opposition to the telescope to the Catholic Church's oppression of Galileo, and suggested that the indigenous protesters were pawns of environmentalists who «have learned that a few traditionally dressed natives calling for the return of sacred lands can draw more attention than arguments over endangered species and fragile ecosystems
Like Coke versus Pepsi, tropical land ecosystems come in two choices: forest or grassland.
Throughout his career, he has made major contributions to our understanding of worldwide changes in ecosystems, land use and climate, and global food security.
Every other place, and every person, on the planet is at least indirectly affected by one or more species that has been transported — either intentionally or inadvertently — to new lands from the ecosystems in which the species evolved.
The World Bank defines Sustainable Land Management as a process in a charged environment between environmental protection and the guarantee claim of ecosystem services on the one hand.
«Our system provides an objective way to classify the land surface, which is important not only for monitoring change but also for comparing the behaviour of ecosystems in different parts of the world.
Lead author Hilary Dugan, a limnologist at the University of Wisconsin - Madison and former Cary Institute of Ecosystem Studies Postdoctoral Fellow, explains, «We compiled long - term data, and compared chloride concentrations in North American lakes and reservoirs to climate and land use patterns, with the goal of revealing whether, how, and why salinization is changing across broad geographic scales.
For instance, previous experiments conducted in Kenya have isolated patches of land from megafauna such as zebras, giraffes and elephants, and observed how an ecosystem reacts to the removal of its largest species.
The ecosystem, encompassing nearly 4 million acres from near Orlando to the Florida Bay, is threatened by a number of disturbances including changes in hydrology and land use.
a b c d e f g h i j k l m n o p q r s t u v w x y z