trophic相关的词根或词缀是: troph

Effects of grasses of vetiveria and pennisetum on trophic groups of soil nematodes

香根草属与狼尾草属植物对土壤线虫营养类群的影响?

How each trophic level obtains energy .

每一食性层如何获得能量。

However , continuous administration of trophic factors into the central nervous system is costly and difficult to maintain .

然而，连续给予中枢神经滋养因子是太过昂贵和持续上有困难。

The biosphere is a global ecosystem that can be broken down into regional or local ecosystems , or biomes . Organisms in the biosphere are classified into trophic levels and communities .

生物圈是一个全球性生态系统，可以分成地区性的或局部性的生态系统，或称生物群落。生物圈里的生物体又可以营养等级和社群来分类。

Application of phytoplankton community and trophic index in the evaluation of dredging bed mud of southern area of the tai lake .

应用浮游植物群落结构及富营养化指数评价南太湖底泥疏浚效果。