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Thermogenèse de l’abeille sans dard

Thermogenèse de l’abeille sans dard

Maiko Roberto Tavares Dantas

53,98 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2025
Materia
Biologia, ciencias de la vida
ISBN:
9786208966959
53,98 €
IVA incluido
Disponible

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La température corporelle des abeilles varie considérablement en fonction de la température ambiante, et la plupart de leurs activités sont fortement influencées par la température de l’air. Lorsqu’elles sont exposées à des températures supérieures ou inférieures à la plage optimale pour l’espèce pendant leur stade pupal, celles qui survivent présentent des déficiences morphologiques, physiologiques ou comportementales à l’âge adulte. Les abeilles sans dard font preuve d’une certaine capacité de thermorégulation dans leur nid, connue sous le nom d’endothermie ou ectothermie coloniale. Les méliponines sont des abeilles très sociales qui travaillent ensemble pour maintenir la colonie et garder la température du nid presque constante. Les mécanismes de thermorégulation de ces animaux sont appelés thermorégulation passive, car ils sont uniquement dus à la construction de l’enveloppe et du nid (structures alvéolaires) et non à l’activité motrice des individus. Par conséquent, chez la plupart des espèces d’abeilles sans dard, à de rares exceptions près, ce sont les seuls mécanismes dont elles disposent pour thermoréguler. On sait que le couvain contribue également à la thermorégulation coloniale par sa thermogenèse, et que les larves et les pupes plus matures apportent davantage de chaleur au rayon de couvain au fur et à mesure de leur développement.

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