Sentences with phrase «dramatic changes in ecosystems»

Not exact matches

Dramatic changes in species composition may establish other equilibrium energy flows which involve other species compositions than before (ecosystem shift).

Given the current dramatic rate of change in the ocean nitrogen cycle the researchers are not sure how long it will take for marine ecosystems to adapt.

Ice core data from the poles clearly show dramatic swings in average global temperatures, but researchers still don't know how local ecosystems reacted to the change.

«There is at present too little known about how marine ecosystems function in the Arctic, let alone how they will respond to the dramatic changes in progress, to prescribe safe harvest levels for living marine resources in the U.S. Arctic,» 43 marine scientists said in a letter to the Council chair.

«Dramatic shifts in species distributions, community composition, forest diversity and ecosystem functioning have to be expected,» Engelbrecht says, «even with relatively small changes in dry season lengths of only about one month.»

Massive amounts of erupting lava are connected to the destruction of supercontinents and dramatic changes in climate and ecosystems.

In recent papers, Bill described dramatic and abrupt ecosystem changes in response to climate variabilitIn recent papers, Bill described dramatic and abrupt ecosystem changes in response to climate variabilitin response to climate variability.

This suggests that storing carbon in forests, agricultural areas, and other ecosystems is an important and cost - effective part of a bigger carbon dioxide emissions control strategy that includes dramatic changes to the global energy system.

May 2, 2011 The winners of mass extinction: with predators gone, prey thrives In modern ecology, the removal or addition of a predator to an ecosystem can produce dramatic changes in the population of prey specieIn modern ecology, the removal or addition of a predator to an ecosystem can produce dramatic changes in the population of prey speciein the population of prey species.

[76] Reintroduction of sea otters to British Columbia has led to a dramatic improvement in the health of coastal ecosystems, [77] and similar changes have been observed as sea otter populations recovered in the Aleutian and Commander Islands and the Big Sur coast of California [65] However, some kelp forest ecosystems in California have also thrived without sea otters, with sea urchin populations apparently controlled by other factors.

Reintroduction of sea otters to British Columbia has led to a dramatic improvement in the health of coastal ecosystems, [143] and similar changes have been observed as sea otter populations recovered in the Aleutian and Commander Islands and the Big Sur coast of California [144] However, some kelp forest ecosystems in California have also thrived without sea otters, with sea urchin populations apparently controlled by other factors.

Across New England, fishermen and scientists are observing notable shifts in the ecosystem and dramatic changes in the number of fish in the water.

4 looked at the responses of five DGVMs, coupled to a fast climate analog model, finding dramatic divergence in future behavior, particularly of tropical vegetation responses to drought and boreal ecosystem responses to elevated temperature and changing soil moisture.

«Either will result in strong reinforcing (positive) climate feedbacks, not to mention dramatic changes in the Arctic ecosystem and enhanced sea level rise.»

We're also seeing similarly dramatic changes in other aspects of climate and related effects on ecosystems, including the distribution of rainfall, storm activity, extinction of plant and animal species, and seasonal change.