Results 51 to 60 of about 10,973 (244)
Species composition and elevational distribution of bumble bees (Hymenoptera, Apidae, Bombus Latreille) in the East Himalaya, Arunachal Pradesh, India [PDF]
The East Himalaya is one of the world’s most biodiverse ecosystems. However, very little is known about the abundance and distribution of many plant and animal taxa in this region.
Martin Streinzer +8 more
doaj +3 more sources
Impacts of the Use of Nonnative Commercial Bumble Bees for Pollinator Supplementation in Raspberry
Evidence for pollinator declines has led to concern that inadequate pollination services may limit crop yields. The global trade in commercial bumble bee (Bombus spp.) colonies provides pollination services for both glasshouse and open-field crops.
S N Jennings (16200008) +15 more
core +1 more source
No trade-off between learning speed and associative flexibility in bumblebees: a reversal learning test with multiple colonies [PDF]
Potential trade-offs between learning speed and memory-related performance could be important factors in the evolution of learning. Here, we test whether rapid learning interferes with the acquisition of new information using a reversal learning paradigm.
Raine, Nigel E. +8 more
core +1 more source
Orchard netting impacts on biodiversity leading to cascading effects at the ecosystem level
ABSTRACT Agriculture must ensure food production without further compromising the ecosystem functions upon which it depends. Agricultural practices should therefore avoid harming farmland biodiversity, especially of taxa that supply the key ecosystem services (e.g.
Corrado Alessandrini +13 more
wiley +1 more source
On the Proper Treatment of Dynamics in Cognitive Science
Abstract This essay examines the relevance of dynamical ideas for cognitive science. On its own, the mere mathematical idea of a dynamical system is too weak to serve as a scientific theory of anything, and dynamical approaches within cognitive science are too rich and varied to be subsumed under a single “dynamical hypothesis.” Instead, after first ...
Randall D. Beer
wiley +1 more source
Investigating Nest Box Utilization by Bumble Bees and Reproductive Development of Male Bumble Bees
Bumble bees (Bombus Latrielle) are a wide-spread group of pollinating insects that are important species to conserve across many environments to ensure both ecological and economic resiliency because they pollinate important agricultural, horticultural ...
Herndon, James Daniel
core +2 more sources
Abstract The term femicide, widely used in reference to the “killing of a woman because she is a woman,” has been questioned on the ground that it implies unequal dignity of men and women victims of gender related death. This position called for an analysis of the terminology used to describe and define the various forms of killing of women and men. We
Giuseppe Benagiano +3 more
wiley +1 more source
Effects of climate on intra- and interspecific size variation in bumble-bees
1. In contrast to other social bees, bumble-bees exhibit considerable size variation within the worker caste. This size variation has not been adequately explained, although it is known that larger workers tend to be foragers and smaller bees spend more ...
Peat, J. +11 more
core +1 more source
ABSTRACT Victoria Cave, north Yorkshire, England, contains a long sequence of Pleistocene clastic sediments and calcite flowstones. Earlier work, using U–Th dating, established that the flowstone units formed in interglacial stages corresponding to Marine Isotope Stages (MIS) 13, 11, 9, 7 and 5.
Tom C. Lord +7 more
wiley +1 more source
Abstract Mycotoxins remain a persistent threat to the safety and quality of cereal grains and other agricultural products, and their impact on human health continues to raise global concerns. In many situations, the practices traditionally used to control these toxins are no longer sufficiently effective. They can be costly, difficult to implement on a
Abolfazl Asqardokht‐Aliabadi +2 more
wiley +1 more source

