在许多群落中,昆虫作为植食动物和捕食者起着重要的作用。
In many communities insects play a key role as herbivores and predators.
植食动物强大压力的一些事例可以帮助我们对选择过程的简略性有所了解。
Some examples of heavy herbivore pressure may help appreciation of the possible brevity of the selection process.
介绍了植物单宁在增强植物抗病能力、帮助植物抵御植食动物的噬食以及在其他方面所发挥的生理作用。
The physiological functions of vegetable tannin such as building up the disease resistance of plants, helping plants resist the bite from the plant-feed animals and so on were introduced.
这是典型的涉及在食物链底端(浮游植物是植物,反之浮游动物是动物)的象磷虾等植食动物的鱼吃鱼的事件。
Typically, this is a fish-eat-fish affair, with vegetarians like krill taking their place at the bottom (phytoplankton are plants, whereas zooplankton are animals).
最近出土的化石使鲸的祖先可追溯到一种有蹄外形像狗的植食动物,而且基因分析证实了现存动物中河马是鲸的近亲。
Recently unearthed fossils trace whales to a doglike predecessor of hoofed plant-eaters, and genetic analysis has identified hippos as whales' closest living relatives.
学习地中海饮食模式,即大部分是种植食物,限制动物蛋白质,只吃鱼和家禽,把橄榄油作为主要的脂肪,和适度饮酒。
Follow the Mediterranean diet pattern of mostly plant foods, limiting animal protein to fish and poultry, using olive oil as the principal fat and use wine in moderation.
根据杨树节肢动物的营养与取食关系,将群落划分为植食类、捕食类、寄生类和中性类亚群落。
These provided theory foundation for SPM. 1 The arthropod community was divided into four sub-communities, which were phytophages, predators, parasitoids and neutralities.
综述了社群学习对植食性鸟类和哺乳动物觅食行为的作用,并述评了其学习机制。
This paper reviews the effects of social learning on foraging behavior in herbivorous birds and mammals and the underlying mechanisms.
植食性动物和肉食性动物在生态系统里扮演着哪些不可或缺的作用?
What are the indispensable roles of herbivorous and carnivorous animals in the ecosystem?
植食性土壤动物通过直接取食根系,加速细根的死亡和周转。
Root herbivores accelerate root death and turnover via consuming root tissues.
植物次生化合物可降低动物的食物摄入量及消化率、蛋白质可利用率。某些次生化合物还影响植食性哺乳动物的正常繁殖活动。
Plant secondary compounds could decrease the food intake, digestibility and protein availability, and some compounds could effect the normal reproductive performance of herbivorous mammals.
研究表明,转基因741杨对目标昆虫和非目的植食性害虫存在负效应,而对天敌和中性节肢动物组成和发生无明显负作用。
Transgenic insect-resistance hybrid poplar 741 had negative effect on target and non-target phytophagous pests, but had positive effect on natural enemies and neutral arthropod.
综述植物次生合物防卫植食性哺乳动物觅食的研究进展。
The research progress in the chemical defense of plant to mammalian herbivore was reviewed in this paper.
共调查到杨树林节肢动物物种58种,分属于40科,其中植食类35种,分属于22科;
The results were showed 58 species of arthropod belonging to 40 families and 35 species of phytophages belonging to 22 families;
结果表明,葡萄园节肢动物群落、植食类亚群落、捕食类亚群落特征向量矩阵中第1主分量综合指标贡献率依次为66·70%、73·39%和54·17%。
The results showed that in the first principal component, the contribution of arthropod community, phytophagous sub-community and predacious sub-community was 66.70%, 73.39% and 54.17%, respectively.
结果表明,葡萄园节肢动物群落、植食类亚群落、捕食类亚群落特征向量矩阵中第1主分量综合指标贡献率依次为66·70%、73·39%和54·17%。
The results showed that in the first principal component, the contribution of arthropod community, phytophagous sub-community and predacious sub-community was 66.70%, 73.39% and 54.17%, respectively.
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