How guilds build success; Aspects of temporal resource partitioning in a warm, temperate climate assemblage of dung beetles (Coleoptera: Scarabaeidae)

Sullivan, Gregory T., Ozman-Sullivan, Sebahat K., Lumaret, Jean-Pierre, Bourne, Anne, Zeybekoglu, Unal, Zalucki, Myron P. and Baxter, Greg (2017) How guilds build success; Aspects of temporal resource partitioning in a warm, temperate climate assemblage of dung beetles (Coleoptera: Scarabaeidae). Environmental Entomology, 46 5: 1060-1069. doi:10.1093/ee/nvx117


Author Sullivan, Gregory T.
Ozman-Sullivan, Sebahat K.
Lumaret, Jean-Pierre
Bourne, Anne
Zeybekoglu, Unal
Zalucki, Myron P.
Baxter, Greg
Title How guilds build success; Aspects of temporal resource partitioning in a warm, temperate climate assemblage of dung beetles (Coleoptera: Scarabaeidae)
Journal name Environmental Entomology   Check publisher's open access policy
ISSN 0046-225X
1938-2936
Publication date 2017-07-19
Year available 2017
Sub-type Article (original research)
DOI 10.1093/ee/nvx117
Open Access Status Not yet assessed
Volume 46
Issue 5
Start page 1060
End page 1069
Total pages 10
Place of publication Cary, NC, United States
Publisher Oxford University Press
Language eng
Abstract Succession in local dung beetle assemblages influences their delivery of ecological functions in natural and modified environments globally. Short-term changes in dung beetle (Coleoptera: Scarabaeidae) species richness, abundance, and biomass were investigated in standardized dung pads in northern, coastal Turkey. For mean tunneling guild abundance, dung deposition time, dung exposure period, and their interaction were significant, and for mean dung dwelling guild abundance, dung exposure period was significant, as was the interaction with dung deposition time, which collectively evidenced temporal resource partitioning, based principally on differences in diel activity. Succession was highly compressed, with maximum abundance at 12h and maximum species richness at 24 h. A large ball roller and small-to medium-sized tunnelers dominated different periods in the first 24h but were superseded by dwellers. Regression analysis demonstrated a significant, positive relationship between species richness and the evenness of abundance for both dung deposition times. Correlation analysis generally showed strong, positive correlations between tunneling species, low correlations between tunneling and dwelling species, and low correlations between dwelling species. Niche partitioning based on size difference appears to have acted on the environmental filtering of tunneling species along the temporal gradient of declining moisture, thereby limiting the number of abundant, concurrent species. The aggregation of tunneling species provided opportunities for the less competitive dwelling species to occupy less densely populated zones termed probability refuges. The network of strong, positive habitat' correlations between tunneling species may indicate that their collective functionality is vulnerable to loss of efficiency if species are lost.
Keyword Interspecific Aggregation
Scarabaeoidea
Communities
Coexistence
Diversity
Dynamics
Colonization
Strategies
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Earth Sciences Publications
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Created: Sun, 05 Nov 2017, 09:26:24 EST