搜索结果: 1-3 共查到“理学 Top-down and bottom-up”相关记录3条 . 查询时间(0.18 秒)
Top-down and bottom-up influences of jellyfish on primary productivity and planktonic assemblages
Top-down and bottom-up jellyfish on primary productivity planktonic assemblages
2014/4/17
A manipulative mesocosm experiment was done in a saline coastal lake in Australia to compare the top-down and bottom-up influences of jellyfish on primary production and planktonic assemblages. We hyp...
Top-down and bottom-up controls on sediment organic matter composition in an experimental seagrass ecosystem
Top-down bottom-up controls sediment organic matter composition an experimental seagrass ecosystem
2014/4/21
We tested the singular and interactive effects of resource availability (light) and community composition (food chain length and herbivore species richness) on eelgrass (Zostera marina) ecosystem prop...
Top-down and bottom-up controls on periphyton biomass and productivity in Lake Tanganyika
Top-down and bottom-up controls periphyton biomass and productivity Lake Tanganyika
2014/5/4
We studied the effects of nutrient availability and grazers on periphyton in the littoral zone of Lake Tanganyika. Using a combination of dissolved nutrient ratios, nutrient diffusing substrates, and ...