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 function
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 function
in priority landscapes across the whole Atlantic Forest
in order to restore the minimum amount of habitat needed to conserve biodiversity and maintain ecosystem function
in 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.&raqu
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.&raqu
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.»
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.