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Mostrando ítems 71-80 de 219
Especialização individual no uso de recursos alimentares de Characidium schubarti (Crenuchidae)
(Universidade Estadual Paulista (Unesp), 2019-08-27)
A variação individual no uso de recursos alimentares pode depender de fatores ecológicos como a competição intra e interespecífica, predação, além da diversidade e abundância de recursos. O objetivo deste trabalho foi ...
Attack and defense movements involved in the interaction of Spodoptera frugiperda and Helicoverpa zea (Lepidoptera: Noctuidae)
(Springer, 2017-03-01)
The fall armyworm, Spodoptera frugiperda (J. E. Smith) and the corn earworm, Helicoverpa zea (Boddie) are among the main pests of maize. Both species exhibit cannibalistic behavior and quite often share the same feeding ...
The dynamics of intraguild predation in Chrysomya albiceps Wied. (Diptera : Calliphoridae): Interactions between instars and species under different abundances of food
(Entomological Society BrasilLondrina,Brasil, 2006)
Soil fertilization does not alter plant architectural effects on arthropod communities
(Oxford University Press, 2016-08-31)
AimsWhile a growing number of studies have demonstrated the importanceof intraspecific differences within plant species on associatedarthropod communities, little is known regarding the relativestrength of these effects ...
Fragmentation modifies seed trait effects on scatter-hoarders’ foraging decisions
(Springer, 2018-03-01)
Scatter-hoarding animals are crucial in seed dispersal of nut-bearing plants. We used the holm oak Quercus ilex—wood mouse Apodemus sylvaticus mutualism as a model system to evaluate the relative importance of seed size ...
Beauty does not always denote danger: aposematic syndrome in the poison frog Dendrobates auratus
(UniandesMaestría en Ciencias BiológicasFacultad de CienciasDepartamento de Biología, 2011)
Warning signals modify predators foraging behavior by promoting the association between conspicuous signals (often coloration) and prey's unpalatability. This ecological strategy, aposematism, is better studied as a ...
Disruptive effects of chlorpyrifos on predator-prey interactions of Ceratophrys ornata tadpoles: Consequences at the population level using computational modeling
(Elsevier, 2021-09)
Large-scale ecotoxicological studies have technical and ethical limitations, both related to the need to expose large numbers of individuals to potentially harmful compounds. The computational modeling is a complementary ...
Sexual size dimorphism in calanoid copepods (Centropagidae) from Patagonia (Argentina)
(Taylor & Francis, 2013-08)
Calanoid copepods of the genus Boeckella and Parabroteas (P. sarsi) are dominant in zooplankton communities of Patagonian lakes and ponds. This study addresses the occurrence of sexual size dimorphism in calanoid copepods ...