请输入您要查询的字词:
单词
水生生态系统食物链
释义
水生生态系统食物链
Encyclopedia
农学
食物链
释
food chain of aquatic ecosystem
水生生态系统食物链
在水生生态系统中,从植物、细菌和有机物开始,物质和能量通过摄食与被摄食在各营养级的水生生物间依次传递所形成的链状营养关系。当能量在食物链传递时,每经过一个营养级就有一部分能量会损失掉。因此,食物链不可能无限加长,水生生态系统食物链的营养级通常只有4~5级。
随便看
joint debugging of urban rail transit construction
joint deformity
joint denial
joint density
joint density function
joint density of states
joint design topics
joint detection
joint development with vendor
joint directors of laboratories model
joint distribution
joint distribution function
Joint edition of Chongqing Newspaper
jointed rail track
jointed rock masses
joint entropy
joint estimator
joint exhibition
joint family
Joint FAO/WHO Expert Committee on Food Additives
Joint FAO/WHO Expert Meeting on Microbiological Risk Assessment
Joint FAO/WHO Meeting on Pesticide Residues
Joint Fisheries Commission of PRC and Japan
Joint Fisheries Commission of P.R.Chinaandthe Socialist Republic of Vietnamfor the Beibu Gulf
Joint Fisheries Commission of the People's Republic of China and Republic of Korea
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/7/31 13:13:00