Chemical signaling underpins behavioral interactions among organisms in the soil. Understanding chemical communication soil requires a paradigm shift methodology and perspectives compared to aboveground ecosystems because olfaction gustation, accepted modalities of chemosensation aboveground, may not accurately represent To fully understand soil, it is essential consider how properties, such as...

This study examined arthropod community patterns over an altitudinal ecoregional zonation that extended through three ecoregions (Yungas, Monte de Sierras y Bolsones, and Puna) and two ecotones (Yungas-Monte and Prepuna) of Northwestern Argentina (altitudinal range of 2,500 m), and evaluated the abiotic and biotic factors and the geographical distance that could influence them. Pitfall trap and...

Title of dissertation: AN ECOLOGICAL RISK ASSESSMENT OF BT TRANSGENIC SWEET CORN ON NON-TARGET INVERTEBRATE COMMUNITIES Robyn Ilene Rose, Doctor of Philosophy, 2005 Dissertation directed by: Professor Galen P. Dively Department of Entomology An ecological risk assessment evaluating potential adverse affects to non-target arthropods is necessary when releasing a novel transgenic crop. Field stud...

Both arthropods and large grazing herbivores are important components and drivers of biodiversity in grassland ecosystems, but a synthesis of how arthropod diversity is affected by large herbivores has been largely missing. To fill this gap, we conducted a literature search, which yielded 141 studies on this topic of which 24 simultaneously investigated plant and arthropod diversity. Using the ...

plants and arthropods are the main elements of biodiversity in ecosystems. in order to evaluate structural biodiversity of plants and arthropods in natural systems of arid land, a study was carried out in shirvan, mashhad and gonabad, three regions of razavi and northern khorasan provinces, iran. in each region, 10 areas of natural systems selected and sampling was done in these selected areas....

Exclosure experiments have demonstrated the effects of bird predation on arthropods. In a Mexican coffee plantation, we excluded foliage-gleaning bird and bat predators from coffee plants. Effects of bats and birds were additive. In the dry season, birds reduced arthropods in coffee plants by 30%; birds and bats together reduced arthropods by 46%. In the wet season, bats reduced arthropods by 8...

Entomopathogenic fungi are a special group of soil-dwelling microorganisms that infects and kills insects other arthropods through cuticle penetration. They currently used as biocontrol agents against insect plant pests play vital role in their management. Regardless entomopathogenic on the agriculture market, full potential has not yet been utterly explored. Up to date substantial research cov...