Activity density, diversity and seasonal dynamics of ground beetles (Coleoptera: Carabidae) in Bt- (MON810) and in isogenic maize stands

Autor:	Jozsef Kiss, Dóra Szekeres, Ferenc Kádár
Rok vydání:	2006
Předmět:	Agronomy biology Common species Insect Science Poecilus Sampling (statistics) Growing season biology.organism_classification Harpalus distinguendus Global biodiversity
Zdroj:	Entomologica Fennica. 17:269-275
ISSN:	2489-4966 0785-8760
Popis:	To compare carabid assemblages from transgenic Bt- and isogenic maize in Hungary, we used pitfall traps in an experiment (30x30 m plots, arranged alternately in 6 replications), during the growing season of maize during 2001—2003. We captured altogether 44,103 individuals of 58 species. The most common species in our sampling were Calatlzus ambiguus, Doliclzus halensis, Harpalus distinguendus, H rufipes, Poecilus sericeus and Treclius quadristriatus. The same species dominated both in the Bt- and in the isogenic maize plots. Under our test conditions (plot size and 3 years of sampling), no significant differences were found either in the structural characteristics (number of individuals, number of species and diversity), activity density or seasonal activity patterns ofthe dominant species.
Databáze:	OpenAIRE
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