Effects of decomposers and herbivores on plant performance and aboveground plant-insect interactions

Article Abstract:

A test was conducted in a factorial common garden experiment, on single and combined effects of decomposers, root herbivores and leaf herbivores on the growth, flower visitation, and abundance of naturally colonizing aphids and parasitoids on wild mustard. The results suggested that patterns in plant-insect interactions above the ground are not only affected by aboveground factors but also by a wealth of different belowground processes mediated by the plant.

United States, Influence, Plant physiology, Herbivores, Plant-animal interactions

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The response of decomposers (earthworms, springtails and microorganisms) to variation in species and functional group diversity of plants

Article Abstract:

The responses of three decomposer groups, earthworms, springtails, and microorganisms, to manipulation in plant species diversity, plant functional group diversity and functional group identity are studied in microcosm experiment. The results suggest that effects of plant community composition on the performance of decomposer species depend on the presence of other decomposers.

Environmental aspects, Plants, Plants (Organisms), Biological diversity, Biodiversity

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The soil fauna community in pure and mixed stands of beech and spruce of different age: trophic structure and structuring forces

Article Abstract:

The response of the soil fauna community to replacement of beech by spruce or by mixed stands of beech and spruce is investigated. The soil food web is strongly altered by the replacement of beech by spruce.

Study and teaching, Animal ecology, Beech, Beeches

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