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Feb. 25, 2021 —Born in food web ecology, the concept of trophic levels -- the hierarchy of who eats who in the natural world -- is an elegant way to understand how biomass and energy move through a natural system. ...
Sep. 8, 2020 —Researchers reveal a new method for analyzing hierarchies in complex networks and illustrate it by applications to economics, language and gene ...
Nov. 29, 2022 —ecosyste wad的海是一个非常有生产力m whose food web is supported by benthic organisms, feeding on primary producers. Marine biogeochemists show where (part of) this exceptional ...
Dec. 8, 2021 —Chemically analyzing sequential samples from the baleen of dead whales makes it possible to read not only the history of the diet, but also the migration route of the animals. In a new study, ...
Nov. 13, 2021 —Previous studies evaluated aspen recovery in Yellowstone by measuring the five tallest young aspen within a stand, but sampling only the tallest young aspen estimated a rate of recovery that was ...
Mar. 20, 2023 —Researchers confirmed what was already known: jellyfish eat bigger prey as they grow, which means they also occupy a higher position in the food web as they grow. They also found that some of the ...
May 31, 2022 —Using zinc isotopes, researchers investigated the diet of megalodon, the largest shark to have ever ...
Apr. 12, 2022 —Warming of the oceans due to climate change will mean fewer productive fish species to catch in the future, according to a new study that found as temperatures warm, predator-prey interactions will ...
Feb. 8, 2023 —Protected marine areas are one of the essential tools for the conservation of natural resources affected by human impact -- mainly fishing --, but, are they enough to recover the functioning of these ...
June 22, 2022 —Megalodon sharks, which went extinct about 3 million years ago, were three times longer than modern great white sharks and were apex predators at highest trophic level ever measured. Researchers used ...