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Both climatic factors and bee forage characteristics affect the population size and productivity of honey bee colonies. To our… Expand Feral colonies of European honey bees living in the Arnot Forest, a 1651-ha research preserve in New York State, were studied… Expand Summary In the United States, few studies have been conducted on the genetic variation of honey bees, Apis mellifera L. in queen… Expand Twelve mollusk species from late Jurassic to Oligocene cold seep deposits are described and illustrated. Nine of them are new… Expand I secondi matrimoni nell’Italia pre-transizionale. Due casi di studio Nel lavoro sono confrontati i modelli delle seconde nozze… Expand Unsere europ~iischen Bienen und ganz besonders ihre n5rdlichen Variet~ten gehSren zu den relativ kurzrfiBligen Apiden. Im ganzen… Expand Summary1)Auxiliary optical marks placed at the food goal serve as rank- and racespecific learning criteria and influence the… Expand Nuclear DNA PCR-RFLPs previously found in amplifications of three long (>5 kbp) anonymous regions of DNA were made analyzable… Expand Inzuchtdepression wird in der klassischen Theorie dutch eine Abnahme der heterozygoten Loci gedeutet. Eine Erh6hung des… Expand HAL is a multi-disciplinary open access archive for the deposit and dissemination of scientific research documents, whether they… Expand