Seagrass habitat characteristics of seahorses in selayar island, south sulawesi, indonesia

Ambo-Rappe, R.; Nafie, Y.A. La; Marimba, A.A.; Unsworth, Richard

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Seagrass habitat characteristics of seahorses in selayar island, south sulawesi, indonesia

R. Ambo-Rappe, Y.A. La Nafie, A.A. Marimba, Richard Unsworth

Aquaculture, Aquarium, Conservation & Legislation - International Journal of the Bioflux Society, Volume: 14, Issue: 1, Pages: 337 - 348

Swansea University Author: Richard Unsworth

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Abstract

Seagrass beds are an important habitat for seahorses, a group of small-sized fishes that are named for the horse-like shape of their heads. This study paid attention to the role of seagrasses in seahorse occurrence and their size distribution because this habitat plays a crucial role in their life c...

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Published in:	Aquaculture, Aquarium, Conservation & Legislation - International Journal of the Bioflux Society
ISSN:	1844-8143 1844-9166
Published:	2021
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Seagrass characteristics of the habitat of two seahorses, Hippocampus barbouri and H. kuda, in Selayar Island were mapped and determined based on field observations. There were three main seagrass beds used as seahorse fishing grounds around the island, namely Labuang, Jahi-Jahi, and Binanga Benteng, with seagrass percentage cover of 33.14±2.44%, 29.02±1.90%, and 4.73±1.43%, respectively. Seagrass species occurring in the seahorse fishing areas were Enhalus acoroides, Thalassia hemprichii, Cymodocea rotundata, C. serrulata, Halophila ovalis, and Halodule uninervis. A high percentage cover of macroalgae (37.22±5.75%) was found in the seagrass beds of Binanga Benteng. Macroalgae found were Padina, Halimeda, and Dictyota. During the study, we found in total 142 individual H. barbouri and 19 H. kuda, with the highest abundance in the seagrass beds of Binanga Benteng followed by Jahi-Jahi, and the lowest abundance in Labuang. Moreover, the size of both male and female of H. barbouri was also consistently larger in Binanga Benteng, followed by Jahi-Jahi, and then Labuang, suggesting the importance of habitat complexity for this species. The male: female sex ratio was 1:1.2 for H. barbouri and 1:0.4 for H. kuda. In addition to the seagrass meadows, this study also revealed the importance of macroalgal beds in providing habitat for seahorses. 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spelling	2021-10-20T16:19:16.5607900 v2 57982 2021-09-20 Seagrass habitat characteristics of seahorses in selayar island, south sulawesi, indonesia b0f33acd13a3ab541cf2aaea27f4fc2f 0000-0003-0036-9724 Richard Unsworth Richard Unsworth true false 2021-09-20 SBI Seagrass beds are an important habitat for seahorses, a group of small-sized fishes that are named for the horse-like shape of their heads. This study paid attention to the role of seagrasses in seahorse occurrence and their size distribution because this habitat plays a crucial role in their life cycle providing food and shelter from predators. Seagrass characteristics of the habitat of two seahorses, Hippocampus barbouri and H. kuda, in Selayar Island were mapped and determined based on field observations. There were three main seagrass beds used as seahorse fishing grounds around the island, namely Labuang, Jahi-Jahi, and Binanga Benteng, with seagrass percentage cover of 33.14±2.44%, 29.02±1.90%, and 4.73±1.43%, respectively. Seagrass species occurring in the seahorse fishing areas were Enhalus acoroides, Thalassia hemprichii, Cymodocea rotundata, C. serrulata, Halophila ovalis, and Halodule uninervis. A high percentage cover of macroalgae (37.22±5.75%) was found in the seagrass beds of Binanga Benteng. Macroalgae found were Padina, Halimeda, and Dictyota. During the study, we found in total 142 individual H. barbouri and 19 H. kuda, with the highest abundance in the seagrass beds of Binanga Benteng followed by Jahi-Jahi, and the lowest abundance in Labuang. Moreover, the size of both male and female of H. barbouri was also consistently larger in Binanga Benteng, followed by Jahi-Jahi, and then Labuang, suggesting the importance of habitat complexity for this species. The male: female sex ratio was 1:1.2 for H. barbouri and 1:0.4 for H. kuda. In addition to the seagrass meadows, this study also revealed the importance of macroalgal beds in providing habitat for seahorses. This finding provides the basis for future research on the population status of two vulnerable species, H. barbouri and H. kuda in different seagrass habitat complexity in order to determine management priorities for conservation. Journal Article Aquaculture, Aquarium, Conservation & Legislation - International Journal of the Bioflux Society 14 1 337 348 1844-8143 1844-9166 Endangered species; Habitat complexity; Macroalgae; Seagrass; Seahorse fisheries 23 2 2021 2021-02-23 http://www.bioflux.com.ro/home/volume-14-1-2021/ http://www.bioflux.com.ro/home/volume-14-1-2021/ COLLEGE NANME Biosciences COLLEGE CODE SBI Swansea University This study was funded by a three year fundamental research grant (2018-2020) from the Indonesian Ministry for Research and Higher Education (Kemenristekdikti) under Contract No. 1578/UN4.21/PL.00.00/2018 2021-10-20T16:19:16.5607900 2021-09-20T15:02:52.0735597 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences R. Ambo-Rappe 1 Y.A. La Nafie 2 A.A. Marimba 3 Richard Unsworth 0000-0003-0036-9724 4 57982__20940__2252f765c56b4715a71f461a68adef27.pdf 57982.pdf 2021-09-20T15:10:02.6193022 Output 685028 application/pdf Version of Record true This is an open-access article distributed under the terms of the Creative Commons Attribution License true eng https://creativecommons.org/licenses/by/2.0/
title	Seagrass habitat characteristics of seahorses in selayar island, south sulawesi, indonesia
spellingShingle	Seagrass habitat characteristics of seahorses in selayar island, south sulawesi, indonesia Richard Unsworth
title_short	Seagrass habitat characteristics of seahorses in selayar island, south sulawesi, indonesia
title_full	Seagrass habitat characteristics of seahorses in selayar island, south sulawesi, indonesia
title_fullStr	Seagrass habitat characteristics of seahorses in selayar island, south sulawesi, indonesia
title_full_unstemmed	Seagrass habitat characteristics of seahorses in selayar island, south sulawesi, indonesia
title_sort	Seagrass habitat characteristics of seahorses in selayar island, south sulawesi, indonesia
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author_id_fullname_str_mv	b0f33acd13a3ab541cf2aaea27f4fc2f_***_Richard Unsworth
author	Richard Unsworth
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description	Seagrass beds are an important habitat for seahorses, a group of small-sized fishes that are named for the horse-like shape of their heads. This study paid attention to the role of seagrasses in seahorse occurrence and their size distribution because this habitat plays a crucial role in their life cycle providing food and shelter from predators. Seagrass characteristics of the habitat of two seahorses, Hippocampus barbouri and H. kuda, in Selayar Island were mapped and determined based on field observations. There were three main seagrass beds used as seahorse fishing grounds around the island, namely Labuang, Jahi-Jahi, and Binanga Benteng, with seagrass percentage cover of 33.14±2.44%, 29.02±1.90%, and 4.73±1.43%, respectively. Seagrass species occurring in the seahorse fishing areas were Enhalus acoroides, Thalassia hemprichii, Cymodocea rotundata, C. serrulata, Halophila ovalis, and Halodule uninervis. A high percentage cover of macroalgae (37.22±5.75%) was found in the seagrass beds of Binanga Benteng. Macroalgae found were Padina, Halimeda, and Dictyota. During the study, we found in total 142 individual H. barbouri and 19 H. kuda, with the highest abundance in the seagrass beds of Binanga Benteng followed by Jahi-Jahi, and the lowest abundance in Labuang. Moreover, the size of both male and female of H. barbouri was also consistently larger in Binanga Benteng, followed by Jahi-Jahi, and then Labuang, suggesting the importance of habitat complexity for this species. The male: female sex ratio was 1:1.2 for H. barbouri and 1:0.4 for H. kuda. In addition to the seagrass meadows, this study also revealed the importance of macroalgal beds in providing habitat for seahorses. This finding provides the basis for future research on the population status of two vulnerable species, H. barbouri and H. kuda in different seagrass habitat complexity in order to determine management priorities for conservation.
published_date	2021-02-23T04:14:08Z
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Seagrass habitat characteristics of seahorses in selayar island, south sulawesi, indonesia

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