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Chemical components change along the ontogeny of a bat fruit (Neolamarckia cadamba) with ripening asynchrony in favour of its fruit selection and seed dispersal
Mahandran, Valliyappan; Murugan, Chinnaperamanoor Madhappan1; Anisha, Padur Sankaranarayanan1; Wang, Gang; Chen, Jin; Nathan, Parthasarathy Thiruchenthil1
2021
Source PublicationSCIENCE OF NATURE
ISSN0028-1042
Volume108Issue:5Pages:-
Abstract

An asynchronous fruit-ripening strategy can enhance the chance of seed dispersal by providing ripe fruits for an extended period to foragers. However, mechanisms associated with this strategy that can facilitate seed dispersal are understudied. This study aimed to investigate whether the chemical components (minerals and secondary metabolites) of a bat fruit with ripening asynchrony change along its ontogeny (Rubiaceae: Neolamarckia cadamba). We predicted that the seed-to-pulp ratio would increase along with fruit ripeness. The chemical components of the fruit were also predicted to change along their ontogenesis in favour of fruit selection and seed dispersal by fruit bats. Our study shows that the asynchronous fruiting strategy limited the number of ripe fruits daily so that fruits were available at a steady rate. As predicted, the seed-to-pulp ratio of each fruit increased along with fruit development. A fruit's mineral concentration also increased as fruit developed, with a sharp jump at full ripeness, when fruit colour also changed. In contrast, the concentration of secondary metabolite compositions decreased gradually during the process of ontogeny. Fruit bats (Pteropodidae: Pteropus giganteus and Cynopterus sphinx) were the only nocturnal frugivore visitors of these trees and their fruit selection was driven by fruit size and colour. Both bats preferably consumed ripe fruits, which had a higher concentration of attractants (essential minerals) and a lower concentration of deterrents (secondary metabolites), supplemented with a higher seed-to-pulp ratio. The bats exhibited different foraging patterns and home ranges resulting in dispersal (as measured by feeding roost location) occurring across different spatial scales. Our study shows that the chemical components involved in an asynchronous fruit-ripening process could select for extended fruit availability by intensifying the demand for each ripe fruit among legitimate seed dispersers, which increases the likelihood of fruits being dispersed away from parent crowns.

KeywordBat fruits Fruit bats Fruit chemistry Fruit colour Seed-to-pulp ratio Seed dispersal
Subject AreaScience & Technology - Other Topics
DOI10.1007/s00114-021-01756-8
Indexed BySCI
Language英语
WOS IDWOS:000701056300002
Citation statistics
Document Type期刊论文
Identifierhttp://ir.xtbg.org.cn/handle/353005/12388
Collection动植物关系组
Affiliation1.Chinese Acad Sci, CAS Key Lab Trop Forest Ecol, Xishuangbanna Trop Bot Garden, Mengla 666303, Yunnan, Peoples R China
2.Periyar Univ, Sch Life Sci, Dept Zool, Salem 636011, Tamil Nadu, India
Recommended Citation
GB/T 7714
Mahandran, Valliyappan,Murugan, Chinnaperamanoor Madhappan,Anisha, Padur Sankaranarayanan,et al. Chemical components change along the ontogeny of a bat fruit (Neolamarckia cadamba) with ripening asynchrony in favour of its fruit selection and seed dispersal[J]. SCIENCE OF NATURE,2021,108(5):-.
APA Mahandran, Valliyappan,Murugan, Chinnaperamanoor Madhappan,Anisha, Padur Sankaranarayanan,Wang, Gang,Chen, Jin,&Nathan, Parthasarathy Thiruchenthil.(2021).Chemical components change along the ontogeny of a bat fruit (Neolamarckia cadamba) with ripening asynchrony in favour of its fruit selection and seed dispersal.SCIENCE OF NATURE,108(5),-.
MLA Mahandran, Valliyappan,et al."Chemical components change along the ontogeny of a bat fruit (Neolamarckia cadamba) with ripening asynchrony in favour of its fruit selection and seed dispersal".SCIENCE OF NATURE 108.5(2021):-.
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