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Diversity patterns and community structure of the ground-associated macrofauna along the beach-inland transition zone of small tropical islands

Title data

Steibl, Sebastian ; Sigl, Robert ; Bräumer, Paul E. ; Clauß, Victoria ; Goddemeier, Simon ; Hamisch, Stephan ; Lücker, Darleen ; Reiprich, Lisa ; Stegmann, Lucas ; Voigt, Nora ; Laforsch, Christian:
Diversity patterns and community structure of the ground-associated macrofauna along the beach-inland transition zone of small tropical islands.
In: Diversity. Vol. 13 (2021) Issue 8 . - No. 377.
ISSN 1424-2818
DOI: https://doi.org/10.3390/d13080377

Abstract in another language

Biodiversity follows distinct and observable patterns. Where two systems meet, biodiversity is often increased, due to overlapping occurrence ranges and the presence of specialized species that can tolerate the dynamic conditions of the transition zone. One of the most pronounced transition zones occurs at shores, where oceans and terrestrial habitat collide, forming the shore–inland transition zone. The relevance of this transition zone in shaping a system’s community structure is particularly pronounced on small islands due to their high shore-to-inland-area ratio. However, the community structure of insular faunas along this transition zone is unknown. Here, we investigated the diversity patterns along the beach–inland transition zone of small islands and tested the hypothesis that species diversity increases toward the transition zone where beach and interior habitat meet. By measuring environmental parameters, resource availability, and ground-associated macrofauna diversity along transects running across the beach–inland transition zone, we show that a gradual change in species composition from beach to the inland exists, but neither taxa richness, diversity, nor overall abundance changed significantly. These findings offer important insights into insular community structure at the transition zone from sea to land that are relevant to better understand the dynamic and unique characteristics of insular ecosystems.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: Atoll; Edge effect; Insular ecosystem; Species richness; Zonation
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Chair Animal Ecology I > Chair Animal Ecology I - Univ.-Prof. Dr. Christian Laforsch
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Chair Animal Ecology I
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 570 Life sciences, biology
500 Science > 590 Animals (Zoology)
Date Deposited: 18 Oct 2021 08:35
Last Modified: 19 Oct 2021 08:21
URI: https://eref.uni-bayreuth.de/id/eprint/67360