英汉 英英 网络释义 trophic-level n. 1. (生态系统的)营养级each of several levels in an ecosystem(= all the plants and animals in a particular area and their relationship with their surroundings) . Each level consists of living creatures that share the same function in the food chain and get...
必应词典为您提供trophiclevels的释义,网络释义: 营养级;营养阶层;营养水平;
百度试题 题目营养级(trophic levels) 相关知识点: 试题来源: 解析 生态学中把食物链上的一个个环节称为营养级。 生态学中把食物链上的一个个环节称为营养级。反馈 收藏
The meaning of TROPHIC LEVEL is one of the hierarchical strata of a food web characterized by organisms which are the same number of steps removed from the primary producers.
Interactions Among Three Trophic Levels: Influence of Plants on Interactions Between Insect Herbivores and Natural Enemies Ecosystem response to solar ultraviolet-B radiation: influence of trophic-level interactions Trophic level asynchrony in rates of phenological change for marine, freshwater and terrestrial...
Trophic level, any step in a nutritive series, or food chain, of an ecosystem. Organisms are classified into levels on the basis of their feeding behavior. The lowest level contains the producers, green plants, which are consumed by second-level organism
Beta-HCH may bioaccumulate and biomagnify in biota and Arctic food webs, especially in upper trophic levels 在生物区和北极生物网中,尤其在较高营养级中,乙型六氯环己烷可有生物蓄积和生物放大作用。 MultiUn However, determining the trophic level of many plankton is not always straightforward. 然...
All of these pyramids begin with the producers at the bottom, followed by other living beings at different trophic levels. The highest trophic level in the pyramid represents the top of the food chain. The organisms that occupy the base of the pyramid differ in different ecosystems as in terre...
Dotted lines indicate estimated trophic levels, assuming atrophiclevelfractionation of 3.4 units. From theCambridge English Corpus An additionaltrophiclevelmight include birds, which prey on snakes, but these were not sampled in this study. From theCambridge English Corpus ...
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