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WHAT GOVERNS PROTEIN CONTENT OF POLLEN: POLLINATOR PREFERENCES, POLLEN–PISTIL INTERACTIONS, OR PHYLOGENY?
This database compares pollen protein concentration with pollination mode, pollen collection by bees, and distance from stigma to ovule, after accounting for phylogeny through paired phylogenetic comparisons and a nested ANOVA including taxonomic rank.
The ecology of oil flowers and their bees
- S. Buchmann
- Environmental Science
A new area of research in pollination ecology arose in 1969 when Stefan Vogel described a hitherto unrecognized "floral syndrome" when plants in many genera of five families were confirmed as having highly specialized oil-secreting organs.
The Forgotten Pollinators
Consider this: Without interaction between animals and flowering plants, the seeds and fruits that make up nearly eighty percent of the human diet would not exist.In "The Forgotten Pollinators,"…
Restoration Biology: A Population Biology Perspective
Five research areas of particular importance to restoration biology that offer potentially unique opportunities to couple basic research with the practical needs of restorationists are discussed.
Sonication dispensing of pollen from Solanum laciniatum flowers
The vibratory release mechanism of a buzz-pollinated flower species, Solanum laciniatum, and its relationship with time was investigated, and the frequency increase from the flight wing-beat frequency to the sonication buzz enables bumble-bees to generate high accelerations, which are able to release pollen from the anthers, using thoracic vibrations, which is limited by the maximum possible displacement of the indirect flight muscles.
A biophysical model for buzz pollination in angiosperms.
Trumpet Flowers of the Sonoran Desert: Floral Biology of Peniocereus Cacti and Sacred Datura
- R. Raguso, C. Henzel, S. Buchmann, G. Nabhan
- BiologyInternational Journal of Plant Sciences
- 1 November 2003
Night‐blooming Peniocereus cacti may benefit from sequential mutualism with the more abundant Datura species by way of pollinators nurtured as larvae byDatura foliage and as adults by DaturA floral nectar.
Nectar selection by Melipona and Apis mellifera (Hymenoptera: Apidae) and the ecology of nectar intake by bee colonies in a tropical forest
A foraging choice model incorporating caloric reward and imbibing rates of bees suggests M. compressipes and M. marginata should specialize on richer nectars, a pattern best explained as the result of intercolony competition and greater availability of lower quality nectar.
On optimal nectar foraging by some tropical bees (Hymenoptera: Apidae)
Pour the pollinisation, l'heterogeneite et the douceur optimale du nectar sont vraisemblablement des mecanismes cles pour fideliser les butineuses.
Relationship Between Wing Loading, Wingbeat Frequency and Body Mass in Homopterous Insects
Wingbeat frequency to be significantly correlated with wing loading only in insects weighing more than 0.03 g, and larger insects seem to employ a strategy similar to other flying animals, by compensating for high wing loading with higher wingbeat frequencies.