food web

these shifts in species composition may be benign, or they may result in a cascade of negative consequences throughout the marine food web.

这些物种组成的转变可能是良性的，也有可能导致整个海洋食物网的一系列消极后果。

research on characteristics of soil biota community and food web below ground in greenhouse with alternative technologies of methyl bromide

甲基溴替代技术条件下温室土壤生物群落特征及地下食物网研究

Out in the ocean, the nutrient-poor warmer waters of the Blob-about four degrees Fahrenheit higher than average-are disrupting the food web of marine life.

它所在的海域营养贫乏、温度高于正常的海水——大概比平均温度高4华氏度——正在扰乱海洋生物的食物链。

At the first stage of cotton growth, before the food web of cotton field set up, the plant louses, leafhoppers as the food for natural enemies in the desert transitional zone.

在棉花生长前期，棉田节肢动物群落未建立之前，天敌主要在荒漠过渡带取食木虱、叶蝉等。

Like Fern, she was truly fond of Wilbur, whose smelly pen and stale food attracted the flies that she needed, and she was proud to see thathe was not a quitter and was willing to try again to spin a web.

像芬一样，她也是真心的喜欢威伯，这不只是因为他那肮脏的猪圈与尿的臭味儿能招来她需要的苍蝇，还因为她骄傲地看出他不是一个懦夫，勇于一再的学习织网。

How do we characterize and differentiate amongst a crystal lattice, the Internet and a food web?

我们如何来认识和区分晶格 、 Internet和一个生态食物链?

Based on the relationship among each nutrient class in food web, they may primarily be divided into four nutrient classes, i.e., primary producer ( marine plants), phytophage animals and miscellaneous feeding habit animals, low and middle carnivorous animals, high class carnivorous animals.

根据食物网中各营养级的相互关系，初步划分为4个营养级，即初级生产者（海洋植物）、草食性动物和杂食性动物、低级肉食性动物和中级肉食性动物、高级肉食性动物。

An outgrowth of the occupy Wall Street movement, occupy Sandy is a loosely organized group of activists-turned-volunteers who have been using the web and mobile devices to bring food, supplies and help to people in need.

“占领桑迪”是一个松散的志愿者组织，志愿者们利用网络和移动设备，呼吁为灾民提供食物和生活用品。

As these creatures continue to arrive in great numbers , said Goldstein, they might ocean's food web.

戈尔茨坦表示,随着越来越远海, 海洋食物网将发生改变.

In the 1960s, scientists proposed that predators at the top of a food web had a surprising amount of control over the size of populations of other species---including species they did not directly attack ．

20世纪60年代,科学家们提出,食物网顶端的捕食者对其他物种（包括它们没有直接攻击的物种）的数量有着惊人的控制力。

these shifts in species composition may be benign, or they may result in a cascade of negative consequences throughout the marine food web.

这些物种组成的转变可能是良性的，也有可能导致整个海洋食物网的一系列消极后果。

Analysis of Food Web Based on Interpretative Structural Modeling

基于解释结构模型的蛇岛食物网研究

Some become magnified in the food web and can contaminate fish stocks.

一些污染物在食物链中被放大而污染鱼类资源。

these shifts in species composition may be benign, or they may result in a cascade of negative consequences throughout the marine food web.

这些物种组成的转变可能是良性的，也有可能导致整个海洋食物网的一系列消极后果。

A spider spins a web in which it catches insects and bugs for its food.

蜘蛛结网,用于捕捉各种昆虫.

in the sea, at the base of what scientists call the food web, are single-celled plants.

在海洋中，科学家所谓的食物链网最低层，是单细胞植物。

As filter-feeding species, Coilia mystus was one part of pelagic food web. So the changes in diet composition of them can reflect the character of matter transference within the food web in Changjiang Estuary and adjacent region.

凤鲚的滤食性说明它们是浮游食物网的组成部分，对凤鲚的食物组成研究可以反映长江口及邻近水域的浮游食物网物质传递。

the nitrogen fertilization not only improved the nutrients and habitats for arthropods but also altered the dynamics and structure of food web through the changing the aquatic invertebrate community in rice fields.

稻田生态系统中施用氮肥不仅可以改进节肢动物的营养条件和生境，而且还可以通过水生无脊椎动物群落的变化改变整个食物链的结构和动态。

The complexity of the food web is thus greatly simplified.

这样,错综复杂的食物网就大大简化了.

the ecc was defined as the maximum biomass that a specified environment can support without significant change of major energy fluxes or structure of the food web.

本研究定义养殖生态容量为不显著改变生态系统食物网结构或能流通量时的最大现存量。

These five species are parts of food chains that together form a food web.

这些五物种是的部分食物链那共同形状食物网.

The extinction of key species could have cascading effects throughout the food web.

关键物种的灭绝可能通过食物链产生级联效应.

These interconnected feeding relationships intertwine locally into a food web because most organisms consume or are consumed by more than one other type of organism.

多数生物能消费一种以上的动物或植物，同时又被其它生物消费，一个局部地区的食物链相互缠结而形成食物网。