Sentences with phrase «change in the ecosystem»

By the end of the 21st century, managers will also need to account for background changes in ecosystem functions and services that may not relate to anthropogenic climate change.

Continued warming will cause further changes in their ecosystems as it continues to get warmer and more ice melts.

Climate change also affects the living world, including people, through changes in ecosystems and biodiversity.

Changes in the weather mean changes in ecosystems and a new report maps vulnerability.

Big changes in the ecosystem can happen with slight changes in temperature, and global temperature has historically varied directly with CO2 levels from the data that I have seen.

In their article, «Quantifying causal mechanisms to determine how protected areas affect poverty through changes in ecosystem services and infrastructure,» Ferraro and Georgia State alumnus Merlin Hanauer, now on the Economics faculty at Sonoma State University, examine three potential causes of poverty reduction linked to the establishment of protected areas:

Much evidence has shown prevailing changes in ecosystems in the region, caused by climate change (32 ⇓ — 34).

The Pew Center on Global Climate Change sponsored a meta - study analyzing some 40 scientific reports that link rising temperature with changes in ecosystems.

Seasonally snow - covered regions are especially susceptible to climate change as small changes in temperature or precipitation may result in large changes in ecosystem structure and function.

sensitivity the degree to which a system will respond to a change in climatic conditions (e.g., the extent of change in ecosystem composition, structure and functioning, including net primary productivity, resulting from a given change in temperature or precipitation)

«Abrupt changes in ecosystems like tropical coral reefs show we are already beyond ecosystems adapting naturally,» he said in an email to The Washington Post.

«Biodiversity is somehow a special case, because it's not only a cause of changes in ecosystems but also a response to other changes.»

However, a team of geographers from the universities of Jena and Oxford, and from Germany's Federal Institute for Geosciences and Natural Resources, has now succeeded in establishing a methodology that enables them to measure the aboveground biomass of the savannahs and record even minor changes in the ecosystem.

«This overlap in their resources forces the bears to make a choice that could in the long run result in fewer bears and / or unexpected changes in ecosystem structure,» Stanford said.

«Extinction is a warning sign, but equally important are fundamental changes in ecosystem structure.

This type of conclusion raises the possibility of using mathematical models as an early warning system that catastrophic changes in the ecosystem are imminent, enabling appropriate action (such as reduced grazing).»

Meagher and others attributed this movement to the bisons» natural migratory drive, and to man - made changes in the ecosystem of the park, including groomed roads.

Species that, in response to manmade pressures, begin to behave differently in their native environment can become increasingly dominant within their native ranges and can cause complex changes in their ecosystems.

Abstract: Throughout history, human beings have generated measurable changes in ecosystems and as a result has been changing biodiversity, especially when we refer to the overexploitation of species, pollution, the advance of the agricultural frontier, holdings livestock, etc., which have generated an environmental crisis of unknown proportions.

The exciting part for me in looking at that map is that it's like we're looking at, particularly in northern latitudes (look at the red sections), we're talking about 100 % change in ecosystem type.

Tell us why you think that virtually every nation, state, county, city, the military are developing action plans and policies for adaptation & mitigation based on the science that is pointing to us being responsible for the observed changes in our ecosystem.

With global GHG emissions and concentrations continuing to increase; with climate change intensifying changes in ecosystems, ice sheet deterioration, and sea level rise; and with fossil fuels providing more than 80 % of the world's energy, the likelihood seems low that cooperative actions will prevent increasingly disruptive climate change over the next several decades.

We present an integrated modeling study designed to investigate changes in ecosystem level phenology over Europe associated with changes in climate pattern, by the North Atlantic Oscillation (NAO).

Climate change is another concern that looms on the horizon, promising drastic changes in ecosystems and weather patterns.

Rebecca Terry, assistant professor in the Department of Integrative Ecology at Oregon State University, and a colleague report in the Proceedings of the National Academy of Sciences that they used fossilised owl pellets preserved in a cave to measure changes in the ecosystem over a 13,000 year span.

If anything, our projections for warming are higher than they used to be, and we're seeing discernible changes in ecosystems that we can link back to climate.»

We discuss the simulated changes in ecosystem state in terms of underlying model behaviors and assumptions, assess the level of agreement between the GVMs and GVM × GCM combinations, and identify where key uncertainties remain.

We learned that bird populations in the North Sea collapsed last year, after the sand eels on which they feed left its warmer waters - and how the number of scientific papers recording changes in ecosystems due to global warming has escalated from 14 to more than a thousand in five years.

Last year, we passed SB32, which tries to reduce emissions even further to a sustainable level to avoid catastrophic effects like massive sea - level rise, temperature change and dramatic changes in ecosystems.

Each double - page spread in the first two - thirds of the book features a research project revealing changes in ecosystems — in the behaviors of butterflies and penguins, in the sizes of glaciers and sea levels, and in the amounts of carbon dioxide in the atmosphere.

The direct CO2 - fertilisation impact and warming effect of rising atmospheric CO2 have contrasting effects on their dominant functional types (trees and C3 grasses may benefit from rising CO2 but not from warming; C4 grasses may benefit from warming, but not from CO2 - fertilisation), with uncertain, non-linear and rapid changes in ecosystem structure and carbon stocks likely.

Meanwhile, the development of informal communications and information sources across the internet offers a novel source of monitoring data to track, identify and perhaps even foresee vital changes in ecosystem services.

Pauley and other marine biologists have shown that drastically reduced populations in marine fishes caused by overfishing may never recover because overfishing has created irreversible changes in ecosystem structure.

Such alterations in the spatial and temporal distribution of marine organisms ultimately drive subsequent changes in ecosystem structure and functioning [1,12 — 15].

The Pew Center on Global Climate Change sponsored an analysis of some 40 scientific studies that link rising temperature with changes in ecosystems.

changes in ecosystem services such as the pollination and hydrological services a protected area may offer.

keystone species a species that has a central servicing role affecting many other organisms and whose demise is likely to result in the loss of a number of species and lead to major changes in ecosystem function

Keystone species - A species that has a central servicing role affecting many other organisms and whose demise is likely to result in the loss of a number of species and lead to major changes in ecosystem function.

Unlike many other predators in the region, many of the seals (leopard, crabeater, Ross and Weddell seals) were never directly harvested by humans; so that their population trajectories track the impacts of biological and environmental changes in this ecosystem.

Similarly, while the USGCRP report notes that continuing climate change will cause various thresholds to be crossed, leading to large changes in ecosystems, Michaels and Cato respond again by saying that ecosystems will change with or without human - induced climate change.

decreasing plant and animal species diversity, and causing changes in ecosystem composition and biome distribution,

«Our findings show that changes in the ecosystem in the area of the seasonal sea - ice zone in the Southern Ocean contributed to CO2 storage,» says Abelman, summing up the geologists» and modellers» findings.