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Litter inputs and plant interactions affect nectar sugar content Inra
Baude, M.; Leloup, J.; Suchail, S.; Allard, B.; Benest, D.; Mériguet, J.; Nunan, N.; Dajoz, I.; Raynaud, X..
Summary1. Declines in availability of plant resources to pollinators are a major cause of pollinator loss. The management of plant communities to enhance floral resources is often proposed as a way to sustain pollinator populations. Nectar, the main energetic resource for pollinators, plays a central role in behaviour and composition of pollinator communities. Abiotic and biotic factors are known to influence nectar traits at both the species and community levels, but the impact of plant community composition itself has never been investigated.2. Below-ground interactions in plant communities can induce changes in plant development through (i) plant-derived litter amendment of the soil and (ii) competition for soil resources between plants. We tested how...
Tipo: Journal Article Palavras-chave: ABOVE-GROUND-BELOW-GROUND INTERACTIONS; ATTRACTIVENESS; COMPETITION; DIVERSITY; FLORAL DISPLAY; NECTAR; PLANT-PLANT INTERACTIONS; PLANT-POLLINATOR INTERACTIONS; PLANT-SOIL INTERACTIONS.
Ano: 2011 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2011408c4e53&uri=/notices/prodinra1/2011/06/
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The effect of mandibular gland extirpation on the longevity and attractiveness of workers of queen honey bees, apis mellifera National Institute of Agronomic Research
Zmarlicki, Cyprian; Morse, Roger A..
The mandibular glands were extirpated from 6 of 12 mated, sister queen honey bees, 1 month old. Two of the modified and five of the untreated queens survived after being held for about 11 months in otherwise normal colonies. The modified queens were almost completely unattractive to worker bees at the end of the experiment. The brood quantity and quality in the colonies headed by modified queens was not very dissimilar from those found in the check colonies.
Tipo: Journal Article-postprint Palavras-chave: HONEYBEE; APIS MELLIFERA; APIDAE; HYMENOPTERA; SOCIAL INSECT; QUEEN; MANDIBULAR GLAND; REMOVAL; LONGEVITY; WORKER; ATTRACTIVENESS; ABEILLE DOMESTIQUE; INSECTE SOCIAL; REINE; GLANDE MANDIBULAIRE; EXTRACTION; LONGEVITE; OUVRIERE; ATTRACTIVITE.
Ano: 1964 URL: http://hdl.handle.net/2174/436
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