English translation for "营养级"

trophic dynamics
trophic level

Related Translations:

营养源:  nutrient source

碘营养:  iodine nutrition

富营养:  eutrophy◇富营养湖 eutrophic lake

化学营养:  chemotrophy

营养期:  trophophasevegetable phasevegetal periodvegetation periodvegetative periodvegetative phase

微量元素营养:  microelements nutritionmicroelementsnutrition

人类营养:  s01-human nutrition-general aspects

促营养:  trophotrophic

儿童营养:  childhood nutrition

营养食品:  nourishing foodnutraceuticalrestorative

Example Sentences:

	1.	Producer the first trophic level , in a food chain 生产者：食物链中第一个营养级。
	2.	These microscopic organisms are assigned a trophic level ( tl ) of 1 这些微生物的营养级为1 。
	3.	Birds are positioned at high trophic level within the food web in the ecosystem , and thus any changes within the system can affect the birds in one way or another 鸟类在生态系统中处于较高的营养级，生态系统中住何一个环节的变化都可能对鸟类造成一定的影响。
	4.	The pyramid of biomass usually has a more gentle slope than the pyramid of numbers because organisms at successively higher levels in the pyramid tend to be larger than those below 由于在生物量金字塔中，那些依次位于较高营养级上的生物体往往大于较低营养级上的生物体，所以生物量金字塔通常具有相对于数量金字塔较为缓和的坡度。
	5.	The water quality state was evaluated with shannon - weaver index and some indicators of periphyton , and results showed that the nutrient type of daoguanhe rerservoir was mesotrophic type , and it had a tendency to develop to the eutrophic type 11 .依据周丛藻类多样性指数及周丛生物某些指示种类评价该水库水质状态，判定为中营养型，并有向富营养级演化的趋势。
	6.	In summary , the exotic species can affect native bird species in four main ways , 1 ) predation of birds or eggs by the exotic mammals ; 2 ) competition for habitats and foods with exotic birds , and loss of genetic diversity by hybridization with the closely - related exotic species ; 3 ) direct and indirect alterations of native habitats and food resources , and predation by the exotic invertebrates ; and 4 ) loss and fragmentation of habitats for native birds through altering species composition and structure of native plant communities by exotic plants 外来生物对鸟类的影响主要表现在以下几方面： ( 1 )外来哺乳动物对成鸟、幼鸟或鸟卵的捕食作用； ( 2 )外来鸟类与本地鸟类竞争栖息地和食物资源，与当地的近缘种杂交而造成基因流失； ( 3 )外来无脊椎动物改变本地鸟类的栖息环境和食物状况，甚至直接捕食本地鸟类； ( 4 )外来植物入侵改变入侵地的植物群落组成和结构，造成本地鸟类的栖息地丧失或破碎化，并通过改变入侵地生态系统的食物链结构而对高营养级的鸟类产生影响。

Similar Words：

"营养基金会" English translation, "营养机能" English translation, "营养极" English translation, "营养极, 植物性极, 卵黄极" English translation, "营养及饮食" English translation, "营养技术研究所" English translation, "营养剂" English translation, "营养计划" English translation, "营养计算" English translation, "营养计算系统" English translation