Sentences with phrase «ecosystems are in decline»

These ecosystems are in decline biologically and are also being lost to residential and agricultural development.
Ecosystems are in decline and climate change is exacerbating these challenges.
Truly restorative land management techniques with CDR potential couldn't come soon enough for many parts of the world where ecosystems are in decline and soils are degrading.
The concept has since been adopted by the United Nations» Millennium Ecosystem Assessment (2005), which grimly reported that two thirds of the earth's ecosystems are in decline and urged governments to adopt policies that «recognize the true value of nature.»

Not exact matches

We welcome you to the ranks of «ecological economists» — economists who understand that there can be no «value» in a world in which natural ecosystems are in a state of steady decline.
With intensive agriculture linked to deforestation and desertification, as well a general loss of genetic biodiversity, how can declines in ecosystem be reversed and biodiversity encouraged?
Nothing less can restore the damage to the ecosystem and halt the continued decline in revenues for the fishing industry,» Ms Lucas said, adding that the network should be set up by 2015 in order to reach their goals, as well as EU obligations.
The measures «do not address the fundamental implication of the very serious decline in commercial fishing productivity and the damage that present fishing practices and other activities are doing to the marine ecosystemMs Lucas added, commenting on a report by the Royal Commission on Environmental Pollution 2004.
The result has been the decline of half the native fishes in the Grand Canyon ecosystem.
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.
«This decline is seen in the sediment core records and is a major problem for the conservation of Lake Tanganyika's many threatened species and unique ecosystems
That is another reason for concern about the worldwide decline in biodiversity, he notes: «The loss of diversity is probably having adverse effects on stability and productivity and the ability of the ecosystem to respond to global climate change.»
While declines in trout population are bad for local ecosystems and biodiversity, they are also bad for people — especially sport fishers and those employed by the billion dollar recreation industry.
Prof. Jean Paul Metzger from the University of Sao Paulo, another lead author of the study, said: «Our study shows a clear threshold of biodiversity losses with deforestation; below this threshold, not only many species disappear, but the functions they perform in the ecosystem will also decline, many of which are highly beneficial to humans.
«By grouping waterbirds, such as plant - eating birds and fish - eating birds, we showed that the degradation affected a wide range of different plants and animals in the wetlands; declines in these waterbirds means their food levels are also falling,» says Professor Kingsford, who is Director of the UNSW Centre for Ecosystem Science.
When they're in waters outside North America, largemouth bass can cause declines in native fish abundance, disrupting the ecosystem.
«In terms of practical nature conservation, these results signify that in the future it will no longer be sufficient to preserve small, isolated reserves — while these benefit specialized species with a simple genetic structure, the bulk of species that depend on an exchange between local populations will lose out in the medium to long term,» predicts Schmitt, and he adds in closing, «This will lead to a further decline of numerous insect species — with dramatic consequences for entire food webs and ecosystems.&raquIn terms of practical nature conservation, these results signify that in the future it will no longer be sufficient to preserve small, isolated reserves — while these benefit specialized species with a simple genetic structure, the bulk of species that depend on an exchange between local populations will lose out in the medium to long term,» predicts Schmitt, and he adds in closing, «This will lead to a further decline of numerous insect species — with dramatic consequences for entire food webs and ecosystems.&raquin the future it will no longer be sufficient to preserve small, isolated reserves — while these benefit specialized species with a simple genetic structure, the bulk of species that depend on an exchange between local populations will lose out in the medium to long term,» predicts Schmitt, and he adds in closing, «This will lead to a further decline of numerous insect species — with dramatic consequences for entire food webs and ecosystems.&raquin the medium to long term,» predicts Schmitt, and he adds in closing, «This will lead to a further decline of numerous insect species — with dramatic consequences for entire food webs and ecosystems.&raquin closing, «This will lead to a further decline of numerous insect species — with dramatic consequences for entire food webs and ecosystems
The finding helps explain the long - standing puzzle of how seagrasses can survive in murky shoreline waters and offers insight into how scientists can better restore seagrass ecosystems, which are declining worldwide.
Their decline can also serve as an early warning that a species is in trouble or an ecosystem is threatened.
The sage grouse, she said, was a «canary in the coal mine» for the entire sage - steppe ecosystem, and its decline «was warning us our old way of doing things was not sustainable.»
At present, predictions assume that any contribution is completely lost at the point of extinction — leading to a decline in ecosystem performance.
«This decline will need to be considered in future studies of marine ecosystems, geochemical cycling, ocean circulation and fisheries,» add the paper's authors, from Dalhousie university in Nova Scotia, Canada.
RE # 39 (sorry for being off - topic), there are still more threats to plankton from GW, according to a NATURE article just out («Decline of the marine ecosystem caused by a reduction in the Atlantic overturning circulation,» Schmittner, Vol 434 No 7033, Mar 31, p. 628): If the Atlantic ocean conveyor is disrupted due to freshwater entering, then the nutrients for plankton will not be churned up, perhaps reducing plankton by half.
The conservation of insect pollinators is beginning to draw attention because of reported declines in bee species and the «ecosystem services» they provide [11], [12], [13], [14], [15], [16].
There is still much that we need to know before we can stop the decline in the insect pollinators on which we depend for our food supply and ecosystem stability.»
The conservation of insect pollinators is drawing attention because of reported declines in bee species and the «ecosystem services» they provide.
Meanwhile, Google's Android mobile operating system is expected to decline in market share due to a fragmented ecosystem that doesn't grant equal access to apps and due to the launch of Microsoft's Windows 8, which is geared to work on both tablets and traditional PCs.
Understanding the causes and extent of the decline in marine species is important to their future management and aids in reconstructing the past states of ocean ecosystems.
The decline was due primarily to predation by golden eagles (which had moved in to fill a niche in the ecosystem that had been vacated by loss of bald eagles due to the pesticide DDT) and a canine distemper outbreak on Santa Catalina Island.
This is a Science article but its here on a non-subscription site: http://eco-link.net/node/view/32?pollresults%5B5%5D=1 Decline of the marine ecosystem caused by a reduction in the Atlantic overturning circulation.
These results provide a larger context for recently observed declines in remotely sensed [chlorophyll] and are consistent with the hypothesis that increasing ocean warming is contributing to a restructuring of marine ecosystems, with implications for biogeochemical cycling, fishery yields and ocean circulation.
Suppose... in 100 years time... biodiversity has ceased its dive into mass extinction; CO2 is under control; global population is in a manageable decline;... damage to ecosystems is being reversed and healed; and we are living within our planetary means.
No one is sure what is causing the decline in Eel Grass but one thing is for sure, it's affecting the whole ecosystem in the Morro Bay [California] estuary.
First, Caribbean - wide, communities are seeing declines in the health of coastal ecosystems and fish populations.
Heat waves, extreme precipitation events and flooding or extreme droughts, are also what actually cause climate damage — for instance lower agricultural productivity (as during the extremely hot 2003 summer in Western Europe) or biodiversity decline at ecosystem levels ranging from aquatic desert systems to entire rainforest biomes.
The study concludes significant correlation to global warming ocean temperatures continue to increase, and that further studies «this decline will need to be considered in future studies of marine ecosystems, geochemical cycling, ocean circulation and fisheries.»
While record - breaking warming is being felt on land, most of the extra heat energy being trapped in our atmosphere is being stored deep into our oceans causing rapid changes and the decline of key ecosystems.
Hurricanes have been observed to cause mechanical damage to coral reefs, including damaging coral tissue and dislodging colonies, weakening corals in ways than could slow recovery following bleaching, and contributing to long - term ecosystem decline [12].
Ocean acidification, rising ocean temperatures, declining sea ice, and other environmental changes interact to affect the location and abundance of marine fish, including those that are commercially important, those used as food by other species, and those used for subsistence.16, 17,18,122,19,20,21 These changes have allowed some near - surface fish species such as salmon to expand their ranges northward along the Alaskan coast.124, 125,126 In addition, non-native species are invading Alaskan waters more rapidly, primarily through ships releasing ballast waters and bringing southerly species to Alaska.5, 127 These species introductions could affect marine ecosystems, including the feeding relationships of fish important to commercial and subsistence fisheries.
As costs to manufacture and deliver systems decline, while data, software and analytics improve, we will create an ecosystem that will make it easier for energy consumers, investors and financiers to be able to invest in solar and other DER.
Evaluating trends of species decline / persistence in uniform ways, such as using techniques developed and in place by the International Union for the Conservation of Nature (IUCN), is especially important for non-charismatic species that may be essential in controlling ecosystem function, and for marine invertebrates.
This goes for the Arctic — and for the many species in the very specialised Arctic sea ice ecosystem, from ice - specialised Arctic crustaceans and tiny swimming shellfish that Arctic fish depend on, to the (already sharply declining) Arctic hooded seal and the (still abundant) ringed seal that lay their cubs on the sea ice — and eventually also for polar bears, for which ringed seals are a prime food source.
Contrary to the reported trends in open - ocean pH, none of the available records of long - term pH change in coastal ecosystems, that we are aware of, show the decline expected from OA alone (Provoost et al. 2010; Fig. 3).
With equity positions as a percentage of law firm partnerships on the decline it's causing some to consider their long - term place in the law firm ecosystem.
«In today's burgeoning and chaotic news ecosystem, it is difficult to parse truth from falsehood, wisdom from spin... We have seen a decline in trust in the media over a period of decades and the polarization across what types of media are trusted,» Lehrman saiIn today's burgeoning and chaotic news ecosystem, it is difficult to parse truth from falsehood, wisdom from spin... We have seen a decline in trust in the media over a period of decades and the polarization across what types of media are trusted,» Lehrman saiin trust in the media over a period of decades and the polarization across what types of media are trusted,» Lehrman saiin the media over a period of decades and the polarization across what types of media are trusted,» Lehrman said.
«Windows on phones» might be in decline, but there was a point where it felt like the ecosystem genuinely had some momentum, particularly in Europe, where Windows Phone took some key market share milestones in countries such as Germany, Italy and the UK.
The Saw Mill River is home to the American eel, a species in serious decline up and down the East Coast, so creating a healthy ecosystem and food chain was an important goal.
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