NDLI: Facilitating sympatric species coexistence via pollinator partitioning in endemic tropical trees of Madagascar

Content Provider	Springer Nature Link
Author	Zjhra, Michelle L.
Copyright Year	2008
Abstract	The island of Madagascar ranks second to the neotropics in diversity of Bignoniaceae. Tribe Coleeae (Bignoniaceae) is a monophyletic group of tropical trees endemic to Madagascar and surrounding islands. The Masoala assemblage of Coleeae, in northeastern Madagascar, utilizes four mechanisms for avoiding competition via niche specialization: (1) morphologically via characters that comprise syndromes, explaining part of the pattern in this system – although the syndrome concept is not perfect; (2) spatially via vertical stratification and potentially pollen placement; (3) temporally via phenological stagger; (4) ethologically via flowering duration and display. The 13 sympatric species of understory treelets and canopy trees did receive low flower visitor numbers. Contrary to the prevailing view of pollination systems where generalized systems predict equivalency between floral traits and pollinators, I found that different pollinators pollinated the 13 species of trees, that floral characters of different trees did not overlap in multidimensional phenotype space, and that few species of trees were visited by more than two pollinator groups. The use of multiple niches is potentially important in understanding both the origin and maintenance of tropical tree diversity.
Starting Page	157
Ending Page	176
Page Count	20
File Format	PDF
ISSN	03782697
Journal	Plant Systematics and Evolution
Volume Number	271
Issue Number	3-4
e-ISSN	16156110
Language	English
Publisher	Springer Vienna
Publisher Date	2008-02-12
Publisher Place	Vienna
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Bignoniaceae cauliflory coexistence Coleeae Madagascar niche specialization pollination syndrome tropical diversity Plant Systematics/Taxonomy/Biogeography Plant Anatomy/Development Plant Ecology Plant Sciences
Content Type	Text
Resource Type	Article
Subject	Plant Science Ecology, Evolution, Behavior and Systematics

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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