Sentences with phrase «altering marine food»

In addition to altering marine food webs, iron fertilization could produce greenhouse gases more potent than carbon dioxide, such as nitrous oxide and methane, or block sunlight needed by deep coral reefs.

With climate change, these waters will warm and acidify, potentially altering the marine food web.

Not exact matches

He runs through a laundry list of factors that could amplify virus - driven disease mortality: fisheries shifting food chains, global warming, marine pollutant — triggered toxic algae blooms, marine pollution in the form of chemical contaminants, and endocrine disruptors altering the host — pathogen balance.

MEDDLESOME MERCURY Increased runoff into Earth's oceans could increase methylmercury concentrations in marine ecosystems by altering the food web, new laboratory tests show.

Thus, past and future increases in atmospheric nitrogen deposition have the potential to alter the base of the marine food web; and, in the long term, the structure of the ecosystem.

«While the changing seascape has dramatically altered and increased the diversity and number of small creatures at the base of the marine food web, we still don't know how these changes in the ecosystem will propagate through the entire chain.

To further investigate, researchers at the University of New Hampshire looked at seaweed populations over the last 30 years in the Southwestern Gulf of Maine and found the once predominant and towering kelp seaweed beds are declining and more invasive, shrub - like species have taken their place, altering the look of the ocean floor and the base of the marine food chain.

«This can help us determine mechanisms that influence species composition in planktonic communities exposed to red tides, and suggests that these chemical cues could alter large - scale ecosystem phenomena, such as the funneling of material and energy through marine food webs.»

As European colonists began to settle along the coast, introducing new economic enterprises, exploiting the marine resources, and establishing Catholic missions, the native food sources were depleted, native economies were altered, and island populations declined even further.

The general goal of these projects was to improve our understanding of how the response of arctic marine ecosystems to climate warming will alter food web structure and ecosystem services provided to Northerners.

The researchers have shown that Synechococcus cyanobacteria — which use light to capture carbon dioxide from the air and produce energy for the marine food chain — contain specific genes which alters their pigmentation depending on the type of light in which they float.