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Data from: Seasonal shifts in the importance of bottom-up and top-down factors on stream periphyton community structure
负责人:
关键词:
stream ecology;periphyton;Herbivory;stream ecology;nutrient diffusing substrate;seasonality;nutrients
DOI:
doi:10.5061/dryad.q436v45
摘要:
We examined the importance of temporal variability in top-down and bottom-up effects on the accumulation of stream periphyton, which are complex
Data from: Additive effects of plant chemotype, mutualistic ants and predators on aphid performance and survival
负责人:
关键词:
Metopeurum fuscoviride;Tanacetum vulgare;tritrophic interaction;relative effects;Lasius niger;bottom-up;exclusion experiment;Holocene;Top-down;mutualism
DOI:
doi:10.5061/dryad.g9n85sm
摘要:
1. Cascading effects in ecological systems acting across three or more trophic levels can be either of a resource-based (bottom-up) or natural enemy
Data from: The fluctuating world of a tundra predator guild: bottom-up constraints overrule top-down species interactions in winter
负责人:
关键词:
Gulo gulo;Lemmus lemmus;Vulpes lagopus;Lagopus lagopus;Lagopus muta;Arctic ecosystems;seasonality;bottom-up versus top-down effect;Vulpes vulpes
DOI:
doi:10.5061/dryad.rk64m4c
摘要:
r bottom-up effects in Scandinavian mountain tundra (Northern Sweden) where effects of climate warming have been observed and top-down interactions are expect
Data from: A continental scale trophic cascade from wolves through coyotes to foxes
负责人:
关键词:
top-down apex-predator bottom-up interference competition mesopredator release species interactions trophic cascades
DOI:
doi:10.5061/dryad.s0d20
摘要:
Top-down processes, via the direct and indirect effects of interspecific competitive killing (no consumption of the kill) or intraguild predation
Data from: Combined bottom-up and top-down pressures drive catastrophic population declines of Arctic skuas in Scotland
负责人:
Perkins, Allan
关键词:
food availability marine conservation population dynamics predation sandeel seabird skua
DOI:
doi:10.5061/dryad.v056r5h
摘要:
was to determine relative effects of bottom-up and top-down pressures on Arctic skuas across multiple colonies in a rapidly declining national pop
Data from: Manipulating the system: how large herbivores control bottom-up regulation of grasslands
负责人:
关键词:
plant-herbivore interactions;Bottom-up regulation;soil moisture;plant production;trophic control;Herbivory;contemporary;top-down regulation;Holocene;grassland;soil nitrogen
DOI:
doi:10.5061/dryad.2h821
摘要:
s indicate the mechanistic linkage between top-down (herbivore) and bottom-up (soil resource) control of grassland production. Changing the resources tha
Data from: Warming advances top-down control and reduces producer biomass in a freshwater plankton community
负责人:
关键词:
Global warming;zooplankton phenology;Keratella;Dinobryon;phytoplankton community dynamics;seasonal succession;Bosmina;chytrid dynamics;Synedra
DOI:
doi:10.5061/dryad.6tv0f
摘要:
will not only depend on direct species-specific temperature effects, but also on indirect effects related to bottom-up and top-down processes. Here, we investigated
Data from: Trophic cascades in the bryosphere: The impact of global change factors on top-down control of cyanobacterial N2-fixation
负责人:
关键词:
precipitation;trophic interactions;nitrogen cycling;top-down control;Boreal forest;nitrogen deposition;Food webs;feather moss;Nostoc;bottom-up control;Pleurozium schreberi
DOI:
doi:10.5061/dryad.66d5f
摘要:
r, organisms of higher trophic levels alleviated this top-down control, likely through feeding on bacterivorous microfauna. These effects of food web struct
Data from: Seascapes as drivers of herbivore assemblages in coral reef ecosystems
负责人:
关键词:
seascape;productivity;Scaridae;predation;Acanthuridae;Coral reef;herbivore;habitat heterogeneity;Siganidae
DOI:
doi:10.5061/dryad.0145sn6
摘要:
t the habitat heterogeneity of seascapes can overwhelm the effects of conventional top-down and bottom-up structuring of herbivory on coral reefs.

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