Coral Reefs

, Volume 31, Issue 4, pp 1007–1015 | Cite as

Cryptofauna of the epilithic algal matrix on an inshore coral reef, Great Barrier Reef

Report

Abstract

Composed of a collection of algae, detritus, sediment and invertebrates, the epilithic algal matrix (EAM) is an abundant and ubiquitous feature of coral reefs. Despite its prevalence, there is a paucity of information regarding its associated invertebrate fauna. The cryptofaunal invertebrate community of the EAM was quantitatively investigated in Pioneer Bay on Orpheus Island, Great Barrier Reef. Using a vacuum collection method, a diversity of organisms representing 10 different phyla were identified. Crustacea dominated the samples, with harpacticoid copepods being particularly abundant (2025 ± 132 100 cm−2; mean density ± SE). The volume of coarse particulate matter in the EAM was strongly correlated with the abundance of harpacticoid copepods. The estimated biomass of harpacticoid copepods (0.48 ± 0.05 g m−2; wet weight) suggests that this group is likely to be important for reef trophodynamics and nutrient cycling.

Keywords

Crustacea Harpacticoid copepods Trophodynamics Turf algae Benthic community 

Supplementary material

338_2012_924_MOESM1_ESM.doc (150 kb)
Supplementary material 1 (DOC 149 kb)

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Copyright information

© Springer-Verlag 2012

Authors and Affiliations

  1. 1.School of Marine and Tropical BiologyJames Cook UniversityTownsvilleAustralia
  2. 2.Australian Research Council Centre of Excellence for Coral Reef StudiesJames Cook UniversityTownsvilleAustralia

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