... at or near the surface of lakes, and serve as food for other larger organisms.
Striking ecosystem changes were recorded from a large suite of lakes from Arctic, alpine and temperate ecozones in North ...
Unparalleled warming over the last few decades has triggered widespread ecosystem changes in many temperate North American and Western European lakes, say researchers.
... years, Auvermann said. But evidence from the last 20 years suggests that the ecosystem seems to be changing. The wildflowers are gradually being replaced by grasses and sedges.
"I don't know anyone ...
When rain settles the atmosphere and brings air pollutants to the ground, it can have a lasting effect on ecosystems, sometimes hundreds of miles away. All ecosystems receive some atmospheric inputs, ...
... of the fungal disease.
In the first stage of their research, Connelly and Pringle assessed ecosystem changes that occur when tadpoles are experimentally excluded from small areas of both the healthy ...
... of freshwater ecosystems and coral reefs are examples that have already been observed. Averting such ecosystem changes is of vital importance.
Despite improved ecosystem monitoring, early warnings ...
... studies, Smith and his coauthors show that such ecosystem changes occur over short time scales ... relevant ocean processes that may be affected by climate change include wind-driven upwelling, the depth ...
... -depth tropical oceans, where the oxygen changes were observed, and along the west coast of continents ... expanding oxygen-minimum zones impinge on continental margins, we could see huge ecosystem changes ...
... large prey species, putting them at risk of extinction if the ecosystems changed too much or too rapidly.
Interestingly, the modern clouded leopards are anatomically similar to the ...
... course of 150 generations, which took 17 days.
Their results showed that as the levels of sugar in the ecosystem changed, so did the extent to which new strains evolved. This experiment showed that ...
... regional sustainability. And new ICSU programmes, such as ‘Integrated Research on Disaster Risk’ and ‘Ecosystem Change and Human Well-being’, have involved both the natural and social sciences from ...
... , while other times there is a need to look multiple islands to see how the sediment and ecosystems change among the islands (some lose land, while others gain).
Economic valuation tools such as ...
... tree deaths could lead to substantial ecological changes in the West, including cascading effects affecting ... Given the evidence that recent climate-induced ecosystem changes are now so abundant, society ...
... span decades to be of greatest value.
On the other end of the spectrum, addressing abrupt ecosystem changes — "those are the scary things" — and developing early warning systems also are challenges ...
... reproductive success, changes in the clam's food supply and predators, the effects of brown tide, ecosystem changes in Great South Bay and other Long Island bays, and the effects of harvesting ...
