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- Three sampling sites were set along the river,the classification and distribution characteristic of the phytoplankton,zooplankton and zoobenthos were sampled and investigated in Mar,2005,respectively. 本文于2005年3月针对武江乐昌河段布设了三个监测断面,分别取样调查了浮游植物、浮游动物、底栖动物的种类和分布特性。
- the system of expended nutrients by zooplankton and zoobenthos and the system of absorbed nutrients by lawn and vegetation.At the same time,the feasi... 底栖、浮游动物控营养盐系统和面源截营养盐系统。
- zooplankton and zoobenthos 浮游和底栖动物
- The current water quality and the indications of protozoa and zoobenthos to contamination were also investigated. 结果表明,拒马河水生动物种类较为丰富,物种多样性高,水质生物指标综合评价拒马河水体受到轻度和中度污染。
- Regression analysis indicated that there existed correlation between variation in zooplankton and water temperature. 回归分析表明,浮游动物数量的变化与水温有一定的相关性。
- Organic carbon storage of phytoplankton,zooplankton and bacterioplankton were 53,13 and 34 percent of the total plankton carbon,respectively. 浮游植物碳、浮游动物碳、浮游细菌碳平均分别占总浮游生物碳的53%25、13%25及34%25。
- By 2010 the Census of Marine Life scientists expect to have bar-coded all 6,800 known species of zooplankton and potentially that many as yet undiscovered species as well. 他们希望到了2010年,能够为6800种已知的浮游动物,以及许多未发现物种贴上条码。
- She says this research will provide a baseline for measuring how pollution, overfishing, climate change and other human activity affect zooplankton and their environment. 她表示,经由这项研究所获得的基础资料,将是未来测量污染、过渔、气候变迁、人类活动如何影响浮游动物及其环境的依据。
- Both the total biomass of zooplankton and its trend of horizontal distribution had evident seasonal variations, which was related to the seasonal replacement of dominant species. 浮游动物总生物量及其平面分布趋势都有较明显的季节变化,这和优势种的季节演替有关。
- I hit him fair and square on the jaw. 我不偏不倚打中他的下巴。
- This paper reviews the studies of evaluation of water quality by means of algae,zooplaakton and zoobenthos in China, and discusses the applications of some biological indices to that. 本文对国内学者利用藻类、浮游动物、底栖动物等水生生物评价水质的工作进行了综述;并就某些生物指数的应用进行了评估.
- It is a fact of life and you must face it. 这是严酷的现实,你必须面对它。
- She and I can't live under the same roof. 她和我不能住在一起。
- The contents of heavy metals in fishes and zoobenthos in the Changjiang River of Jiansu block were determined at different water periods.Those metals were Pb、Hg、Cd、As、Cr、Ni、Se、Be and Tl. 分别在3个不同水期采集了长江江苏段鱼类及底栖动物,分析了可食用部分中铅、汞等金属元素。
- She had to scrimp and save to pay for her holiday. 她不得不为付假期的费用而苦苦攒钱。
- I'll try and rustle you up something to eat. 我设法给你弄点吃的。
- He sprang up and rushed to the door. 他跳起身,跑到门口。
- The seasonal variation of phytoplankton,zooplankton and nutrients at a fixed sta-tion and in the Extended Gulf Stream System are studied by using a vertically averaged plankton model,respectively. 运用垂直平均值的浮游生物模型研究了在一个固定站和扩展湾流体系中,浮游植物、浮游动物和营养盐的季节变化。
- He took sick and died a week later. 他得了病,一周后就死去了。
- He's been in and out of prison for years. 他多年来屡次进出监狱。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries