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71 (0,063s) •

Project

Why are there more species of insect herbivores and parasitoids in tropical than temperate forests? (GA14-04258S)

plot-based tri-trophic (plant-herbivore-parasitoid) quantitative food webs hypotheses that herbivore diversity is driven by latitudinal variation in either the diversity of plants, or the host specificity of herbivores, or...

EH - Ekologie – společenstva

  • 2014 - 2016
    • •
  • 15 244 tis. Kč
    • •
  • 14 344 tis. Kč
    • •
  • GA ČR
Project

Testing mechanisms that maintain high species diversity in food webs by experimental manipulation of trophic cascades in a tropical rainforest (GX19-28126X)

postulating that top-down effects by herbivores and/or pathogens maintain high plant rare plant species. We hypothesize that pathogens and herbivores shared among that strengthens the Janzen-Connell effects, while the impact of pre...

Ecology

  • 2019 - 2024
    • •
  • 49 378 tis. Kč
    • •
  • 49 378 tis. Kč
    • •
  • GA ČR
Project

Symbiotic microbiota of insect herbivores key to understanding of host specificity? (GA18-08803S)

herbivores? To answer this important question, we propose to obtain novel, complex data on plant-herbivore-endosymbiont trophic interactions using rigorous sampling design. We of bacterial and fungal endosymbionts of insect her...

Entomology

  • 2018 - 2022
    • •
  • 10 302 tis. Kč
    • •
  • 10 302 tis. Kč
    • •
  • GA ČR
Project

The impact of disturbance intensity on succession trajectories in tropical rain forests an experiment with plant-insect food webs in New Guinea (GA20-10205S)

of disturbance frequency on secondary succession of plant-herbivore food webs, leading specialization of insect herbivores. These trends increase generality, vulnerability, and diversity in plant-herbivore food webs. Exclu...

Ecology

  • 2020 - 2023
    • •
  • 13 662 tis. Kč
    • •
  • 13 662 tis. Kč
    • •
  • GA ČR
Project

Determinants of host specificity of potential biocontrol agents (ME10037)

specificity of insect herbivores, are, however, very sparse. Collecting good information of thistype requires large scale sampling of insect herbivores on many different species herbivores. Specifically we plan to combine ...

EH - Ekologie – společenstva

  • 2010 - 2012
    • •
  • 3 000 tis. Kč
    • •
  • 3 000 tis. Kč
    • •
  • MŠMT
Project

Beta diversity and host specificity of herbivorous insects taxonomic, biostatisticial and molecular aspects (1P05ME744)

insect society ecology of tropical forrests, usage of taxonomical, molecular and biostatistical attitudes...

GF - Choroby, škůdci, plevely a ochrana rostlin

  • 2005 - 2005
    • •
  • 169 tis. Kč
    • •
  • 74 tis. Kč
    • •
  • MŠMT
Project

Interactions between plants, herbivores, parasitoids and predators in a tropical rainforest disentangling a complex food web (IAA600960712)

We propose a quantitative survey of plant-herbivore-parasitoid-predator interactions in the exceptionally complex food web of a lowland rainforest in New Guinea may not be replicated in the tropics. We predict that (1) herbivore spe...

EH - Ekologie – společenstva

  • 2007 - 2011
    • •
  • 4 476 tis. Kč
    • •
  • 4 476 tis. Kč
    • •
  • AV ČR
Project

Species richness and host specificity of leaf-chewing insects a comparison between temperate and tropical communities (IAB6187001)

Herbivorous insect communities of 15 selected tree species and selected factors affecting species richness and domposition (palatability, abundance of host plants, pedation risk) will be studied in a floodplain area of Odra River. The study ...

EH - Ekologie – společenstva

  • 2000 - 2002
    • •
  • 609 tis. Kč
    • •
  • 369 tis. Kč
    • •
  • AV ČR
Project

Beta-diversity of insect herbivores in tropical lowland forests relationships with host specificity and plant resources (IAA6007106)

herbivores in tropical lowland rainforests of Papua New Guinea, an atea geologically turnover of herbivores over a range of distances from 100 to 750 km Ficus spp. present at all sites. Changes in the composition of herbivore

EH - Ekologie – společenstva

  • 2001 - 2005
    • •
  • 4 712 tis. Kč
    • •
  • 2 550 tis. Kč
    • •
  • AV ČR
Project

Trophic interactions as drivers of secondary succession in tropical rainforests an experimental test in New Guinea (GA17-23862S)

among plants, fungal pathogens, insect herbivores and insect and vertebrate pathogens and insect herbivores increase the mortality of fast growing and/or locally experiments, manipulating pathogens, herbivores and predator...

EH - Ekologie – společenstva

  • 2017 - 2019
    • •
  • 14 346 tis. Kč
    • •
  • 13 872 tis. Kč
    • •
  • GA ČR
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