NDLI: A metacommmunity approach to co-occurrence patterns and the core-satellite hypothesis in a community of tropical arboreal ants

Content Provider	Springer Nature Link
Author	Livingston, George F. Philpott, Stacy M.
Copyright Year	2010
Abstract	Inferring mechanisms of community assembly from co-occurrence patterns is difficult in systems where assembly processes occur at multiple spatial scales and among species with heterogeneous dispersal abilities. Here, we demonstrate that local scale analysis of co-occurrence patterns is inadequate to fully describe assembly mechanisms and instead utilize a metacommunity and core-satellite approach. We generated a co-occurrence and life-history data set for a community of twig-nesting ants on coffee plants across 36 sites within a tropical agroecosystem to test the following three hypotheses: (1) twig-nesting ant species compete for nest-sites, (2) they are structured as a metacommunity, and (3) core species show segregated patterns, while satellite species show random patterns of co-occurrence. Species were divided into four groups: core species that are well distributed regionally and dominant locally, regional dominants that are well distributed regionally but do not dominate locally, local dominants that are dominant locally but are not widely distributed, and satellites that are neither widely distributed nor dominant locally. Only the most abundant species in the community, Pseudomyrmex simplex, was classified as a core species. Regional dominants, local dominants, and satellite species show random patterns of co-occurrence. However, when P. simplex is included in the co-occurrence matrix, patterns become aggregated for all three species groupings. This suggests that P. simplex “assembles” the community by providing a core metapopulation that other species track. Analyzing co-occurrence patterns among candidate subsets of species, at multiple spatial scales, and linking them to species traits substantially improves the explanatory power of co-occurrence analyses in complex metacommunities.
Starting Page	1129
Ending Page	1140
Page Count	12
File Format	PDF
ISSN	09123814
Journal	Ecological Research
Volume Number	25
Issue Number	6
e-ISSN	14401703
Language	English
Publisher	Springer Japan
Publisher Date	2010-07-15
Publisher Place	Japan
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Assembly Core-satellite hypothesis Metacommunity Tropical ecology Co-occurrence Forestry Behavioural Sciences Evolutionary Biology Zoology Plant Sciences Ecology
Content Type	Text
Resource Type	Article
Subject	Ecology, Evolution, Behavior and Systematics

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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