Stony Corals and Their Associated Fauna Residing in Marine Lakes under Extreme Environmental Conditions

Author:

Becking Leontine E.12ORCID,Martinez Stephanie J.12ORCID,Aji Ludi Parwadani23ORCID,Ahmad Awaludinnoer4ORCID,Alzate Adriana12ORCID,Folkers Mainah12ORCID,Lestari Dea Fauzia56,Subhan Beginer56ORCID,Hoeksema Bert W.17ORCID

Affiliation:

1. Marine Evolution and Ecology Group, Naturalis Biodiversity Center, P.O. Box 9517, 2300 RA Leiden, The Netherlands

2. Department of Animal Sciences, Wageningen University & Research, De Elst 1, 6700 AR Wageningen, The Netherlands

3. Research Center for Oceanography, Indonesian National Research and Innovation Agency (BRIN), Jl. Pasir Putih No. 1, Ancol, Jakarta 14430, Indonesia

4. Yayasan Konservasi Alam Nusantara (YKAN), Graha Iskandarsyah 3rd. Fl. Jl. Iskandarsyah Raya No. 66C, Jakarta 12160, Indonesia

5. Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University, Bogor 16680, Indonesia

6. Enhancing Marine Biodiversity Research in Indonesia (EMBRIO), IPB University, Bogor 16680, Indonesia

7. Groningen Institute for Evolutionary Life Sciences, University of Groningen, P.O. Box 11103, 9700 CC Groningen, The Netherlands

Abstract

Tropical marine lakes are small land-locked marine waterbodies occurring in karstic coastal areas. During biodiversity surveys in 12 marine lakes in Raja Ampat, Southwest Papua province, Indonesia, we recorded at least 37 species belonging to 29 genera of hard corals. Their observed associated symbiont fauna consisted of bivalve molluscs and polychaete worms. Marine lake temperature ranged from 30.0 to 32.5 °C, acidity from pH 7.6 to 8.1, and salinity from 26.4 to 33.2 ppt. This study provides the first inventory of the marginal coral communities in the extreme habitat of marine lakes, under chronic extreme environmental conditions of higher temperatures, land-based nutrient loads, and sedimentation.

Funder

Dutch Research Council

Ministry of Finance of the Republic of Indonesia

European Union’s Horizon 2020 research and innovation programme

Royal Netherlands Academy of Arts and Sciences

Society for the Advancement of Research in the Tropics

Publisher

MDPI AG

Reference82 articles.

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