How To Use Food web In A Sentence
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Improvement of models of anthropogenic effects on estuarine food webs requires knowledge of the ecological and biogeochemical significance of the different organic matter sources among and within estuaries.
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This trophic reorganization is hypothesized to be an important contributor to declines in populations of seabirds and marine mammals, because lipidpoor gadids and flatfishes generally replaced lipid-rich fish species in the Gulf of Alaska food web.
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Here, its application is intended to provide the information necessary to define maximum, allowable levels of mercury in Everglades food webs.
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Silent Spring (1963), which consisted of a number of essays earlier published in the New Yorker magazine detailing how pesticides such as DDT, aldrin and deildrin concentrated through the food web.
Environmental Ethics
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Top predators like the wreckfishes are known as keystone species and they tend to keep populations of other species lower on the food web in proper check and also healthier, by preying on the weak and sick.
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Some of the carbon is given off as carbon dioxide gas, but much of it remains locked up in organic molecules that help sustain the rest of the food web.
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Increased UV-B radiation reduces the production of marine phytoplankton, which is the foundation for aquatic food webs, and a major sink for atmospheric CO2.
Global Environment Outlook (GEO-4)~ Chapter 8
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The Crustaceamorpha are arguably the most well known of the arthropods because of their contributions to aquatic, aerial, and terrestrial food webs.
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Fluctuations in the productivity of dominant plant species should also have a significant impact on complex food webs in forest ecosystems.
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Understanding the dynamics of deep-sea food webs is essential for scientific understanding and management of earth's largest ecosystem," said Sutton, who will attend the London news conference Monday marking the end of the census.
Global Census of Marine Life reveals thousands of new species, other discoveries
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Finally, our understanding of the trophic structure of the ecosystem was greatly advanced by following the tracer through the food web.
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Each summer, an explosion of tiny ocean-dwelling plants and algae, called phytoplankton, anchors the Arctic food web.
Shifting spring: Arctic plankton blooming up to 50 days earlier now
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Despite their differences, the two oceans support basically similar food webs, with high seasonal productivity from small overwintering standing crops.
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The effects of fisheries, focusing on the top predators and herbivores of the food web, is globally visible in the disappearance of large fish, sharks, turtles, crustaceans and plants, and consequent increases in smaller fish species, sea urchins, etc., and their phytoplanktonic or macrophyte food.
Marine biodiversity
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These observations suggest that spatial variability in food web dynamics at the scale of tens of meters to several kilometers, should increase both with elevation and latitude.
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We're going to have an interesting time in the springtime," he says, "because we are about to come into the season when life starts teeming in the coastal waters, so one of the big issues that I'm concerned about is what is going to happen to the food chains - the food webs off the coast of Louisiana in particular - where the oiling was the heaviest.
NPR Topics: News
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For example, the blooms of jellyfish that have increased rapidly worldwide in the last decade are believed to result in part from “fishing down the food web” – as fisheries depleted large predators they turned to smaller, plankton-feeding fishes such as anchovy and sprat, whose removal allowed zooplankton populations to increase, providing abundant food for jellyfish.
Marine biodiversity and food security
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Over time plastic debris eventually fragments into tiny particles creating 'plastic plankton' or 'microplastic,' which is a serious long-term concern, particularly for marine food webs.
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In the Great Lakes ecosystem, PCBs have bioaccumulated in the aquatic food web, especially in predator fish and in the fatty tissues of humans.
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How do we characterize and differentiate amongst a crystal lattice, the Internet and a food web?
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Much of this distinctiveness can now be ascribed to the influence of Actinocyclus normanii in both the planktonic and benthic food webs.
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Similar effects have been previously demonstrated with invertebrate predators and parasites as natural enemies in food webs where herbivores feed on endophyte infected plants All procedures involving voles were carried out in accordance with the Act on the Use of Animals for Experimental Purposes established by the Ministry of Agriculture and Forestry,
PLoS ONE Alerts: New Articles
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*So that you're not kept in suspense, a copepod is a small marine crustracean (i.e., a little animal lacking the cuteness of a cat) that forms a crucial part of the food web between marine plankton (little plants) and fish.
Yeee---ikes!
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Despite their differences, the two oceans support basically similar food webs, with high seasonal productivity from small overwintering standing crops.
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These organisms form the important class of decomposers within the food web, without which cellulose would continue to accumulate in the environment.
