Read e-book online Cognitive Ecology of Pollination: Animal Behaviour and PDF

By Lars Chittka, James D. Thomson

ISBN-10: 0511040970

ISBN-13: 9780511040979

ISBN-10: 0521781957

ISBN-13: 9780521781954

Vital breakthroughs have lately been made in our realizing of the cognitive and sensory skills of pollinators, akin to how pollinators understand, memorize, and react to floral indications and rewards; how they paintings plants, stream between inflorescences, and shipping pollen. those new findings have seen implications for the evolution of floral exhibit and variety, yet so much present courses are scattered throughout a variety of journals in very varied study traditions. This e-book brings jointly amazing students from many alternative fields of pollination biology, integrating the paintings of neuroethologists and evolutionary ecologists to give a multidisciplinary procedure.

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Extra resources for Cognitive Ecology of Pollination: Animal Behaviour and Floral Evolution

Example text

The color signals of both kinds of plants should depend less on habitat features, because this signal may be needed for the flying insect’s proper posture when approaching the flower for fast and effective handling, irrespective of how the plant was spotted. And indeed the color signals are not different in these two habitats. The color signal, together with the shape and pattern, may also more reliably indicate the nutritional status of the flower, a feature that should also be independent of the habitat.

Ostler & Harper (1978) analyzed floral features of co-occurring (not necessarily co-flowering) plant species in 25 plant communities. Floral-trait diversity was strongly correlated with the number of cooccurring outcrossed species. Flower-color diversity (as assessed by human eyes) in 14 open communities was positively associated with the number of co-occurring species. More important, other floral traits associated with flower-handling methods also showed the same trends. The frequency of restrictive corolla tubes and flowers with bilateral symmetry (which require more elaborate flower-handling techniques) both increased with the diversity of animal-pollinated flowers.

J Anim Ecol 55:375–384 Wells H, Wells PH & Smith DM (1983) Ethological isolation of plants. 1. Colour selection by honeybees. J Apic Res 22:33–44 Wilson P & Stine M (1996) Floral constancy in bumble bees: handling efficiency or perceptual conditioning? Oecologia 106:493–499 Woodward GL & Laverty TM (1992) Recall of flower handling skills by bumble bees: a test of Darwin’s interference hypothesis. Anim Behav 44:1045–1051 randolf menzel 2 Behavioral and neural mechanisms of learning and memory as determinants of flower constancy Flowers are unreliable, widely distributed food sources, normally offering minute rewards.

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Cognitive Ecology of Pollination: Animal Behaviour and Floral Evolution by Lars Chittka, James D. Thomson

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