| 词汇 | phytoplankton |
| 释义 | phytoplankton noun[ U ] uk /ˌfaɪ.təʊˈplæŋk.tən/ us /ˌfaɪ.t̬oʊˈplæŋk.tən/ very small plants that float near the surface of water and on which sea creatures feed浮游植物 Water & marsh plants, bushes & trees algae algae bloom Andromeda bacopa bladderwort flag iris green alga gulfweed haidai kelp peppergrass pickerel weed plankton pond life pond lily sea lettuce seagrass seaweed sedge sphagnum phytoplankton | American Dictionaryphytoplankton noun[ U ] us/ˌfɑɪ·t̬oʊˈplæŋk·tən/ biology very small plants that float near the surface of water Examples of phytoplanktonphytoplankton It is also possible that many freshwater phytoplankton groups had yet to evolve. They explain the link between nutrient recycling efficiency and surface nutrient concentration in terms of consumption by phytoplankton, iron supply, light limitation and temperature. In addition, a phytoplankton decline would carry marked consequences for phytoplankton's role in the global carbon cycle. Interrelated influence of iron, light and cell size on marine phytoplankton growth. The distributions of peak areas of phytoplankton biomass and krill were patchy. Eutrophic or nutrient-rich marine environments are often characterized by a high primary productivity of phytoplankton. Its dilution effect stabilises the water column, increases the retention of nutrients washed off the islands and leads to periodic phytoplankton blooms. The geographical extent of this biotope varied, dependent upon the efficiency of local upwelling conditions to provide nutrients for phytoplankton. Other contributing factors may be a reduction in light due to greater phytoplankton in the -oodwater and possibly epiphytic algal growth on the submerged leaves. They highlight the submergence of breeding colonies under raised sea levels, and also the reduction in phytoplankton populations as a consequence of warmer sea temperatures. This supports the relatively rapid change in the taxonomic composition of phytoplankton caused by fluctuations of the chemocline. The two northern lagoons tend to suffer from increasing nutrient loading and so have dense phytoplankton. Increasing radiation slows the process of photosynthesis in phytoplankton in the oceans' surface layers. The approach involves comparison with modern lake systems and phytoplankton productivity. They were part of a complex trophic web of the time including primary producers (phytoplankton) and primary to tertiary consumers (zooplankton and filterfeeders, suspension and deposit feeders, and invertebrate predators). These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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