Bat foraging strategies and pollination of Madhuca latifolia (Sapotaceae) in southern India

• Autorzy: Nathan P.T. , Karuppudurai T. , Raghuram H. , Marimuthu G.
• Języki publikacji: EN

Abstrakty

EN

The sympatrically occurring Indian short-nosed fruit bat Cynopterus sphinx and Indian flying fox Pteropus giganteus visit Madhuca latifolia (Sapotaceae), which offers fleshy corollas (≈ 300 mg) to pollinating bats. The flowers are white, tiny and in dense fascicles. The foraging activities of the two bat species were segregated in space and time. Cynopterus sphinx fed on resources at lower heights in the trees than P. giganteus and its peak foraging activity occurred at 19:30 h, before that of P. giganteus. Foraging activities involved short searching flights followed by landing and removal of the corolla by mouth. Cynopterus sphinx detached single corollas from fascicles and carried them to nearby feeding roosts, where it sucked the juice and spat out the fibrous remains. Pteropus giganteus landed on top of the trees and fed on the corollas in situ; its peak activity occurred at 20:30 h. This species glided and crawled between the branches and held the branches with claws and forearms when removing fleshy corollas with its mouth. Both C. sphinx and P. giganteus consumed fleshy corollas with attached stamens and left the gynoecium intact. Bagging experiments showed that fruit-set in bat-visited flowers was significantly higher (P < 0.001) than in self-pollinated flowers.

• Wydawca: -
• Czasopismo: Acta Chiropterologica
• Rocznik: 2009
• Tom: 11
• Numer: 2
• Opis fizyczny: p.435-441,fig.,ref.

Twórcy

autor

Nathan P.T.

• Department of Animal Behavior and Physiology, School of Biological Sciences, Madurai Kamaraj University, Madurai 625 021, India
• Department of Zoology, DDE, Alagappa University, Karaikudi 630 003, India

autor

Karuppudurai T.

• Department of Animal Behavior and Physiology, School of Biological Sciences, Madurai Kamaraj University, Madurai 625 021, India

autor

Raghuram H.

• Department of Animal Behavior and Physiology, School of Biological Sciences, Madurai Kamaraj University, Madurai 625 021, India
• Centre for Ecological Sciences, Indian Institute of Science, Bangalore 560 012, India

autor

Marimuthu G.

• Department of Animal Behavior and Physiology, School of Biological Sciences, Madurai Kamaraj University, Madurai 625 021, India

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Identyfikatory

ISBN

10.3161/150811009X485657