Seagrass Parameter Affect the Fish Assemblages in Karimunjawa Archipelago

Susilo, Endang Sri; Sugianto, Denny Nugroho; Munasik, Munasik; Nirwani,; Suryono, Chrisna Adhi

doi:10.1088/1755-1315/116/1/012058

Cited by 6 publications

(6 citation statements)

References 9 publications

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“…The species were mainly dominated by members of the Holocentridae, Mullidae, Pomacentridae, Labridae, and Siganidae families. The families of fish found in seagrass beds vary, but member species of all four families (ie, Mullidae, Pomacentridae, Labridae, and Siganidae) are common among the dominant fish communities found in seagrass beds as reported by previous studies (Pogoreutz et al 2012;Ambo-Rappe et al 2013;Latuconsina and Ambo-Rappe, 2013;Susilo et al 2018, Syukur et al 2021, except for the Holotridae which were found at night in this study. These five dominant families are taxonomically diverse and also members of this family mainly inhabit coastal waters, including seagrass beds (Nelson 2006;Allen and Erdmann, 2012;Froese and Pauly, 2022).…”

Section: Species Composition and Sizesupporting

confidence: 74%

Evaluation of seagrass beds as a foraging and nursery habitat based on the structure of the fish community in Nusmapi Island, West Papua, Indonesia

et al. 2022

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Abstract. Manangkalangi E, Sembel L, Tebaiy S, Manuputty A, Rumayomi MR, Musyeri P, Sawaki D, Orissu D, Manumpil AW, Kaber Y. 2022. Evaluation of seagrass beds as a foraging and nursery habitat based on the structure of the fish community in Nusmapi Island, West Papua, Indonesia. Biodiversitas 23: 5539-5550. Seagrass beds are one of the ecosystems inhabited by various coastal aquatic fauna, including fish. However, information on the temporal role of this ecosystem for fish fauna, particularly diurnal and nocturnal, is still limited. Therefore, this study was conducted to describe daily variations in the fish species composition, their ecological index, developmental stages, and trophic groups in a seagrass bed on Nusmapi Isl., Manokwari. The species composition differed between day and night sampling periods based on the results obtained from 40 species of fish belonging to 21 families and 7 orders. Furthermore, fish species consisted of three trophic groups (omnivores, carnivores, and herbivores), with omnivores and carnivores dominating during the day and at night by 48.6% and 87.5%, respectively. Species found in seagrass beds majorly consisted of juvenile stage individuals (65.9%). Individual abundance varied from day to night and was mainly found among group-forming species, such as S. spinus, S. trilineata, S. punctatissimum, and M. pralinia. The index of diversity, evenness, and dominance at the two relatively similar sampling times described the overall stability of fish communities in seagrass beds. The results indicate that seagrass beds serve as foraging and nursery grounds for many fish species in coastal waters. In addition, the management and protection of fish biodiversity and coastal fishery resources are affected by the ecosystem function.

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Section: Species Composition and Sizesupporting

confidence: 74%

Evaluation of seagrass beds as a foraging and nursery habitat based on the structure of the fish community in Nusmapi Island, West Papua, Indonesia

et al. 2022

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“…Meanwhile, ecological evidence indicates that 20% of commercial fish species are dependent on seagrass during their life cycle (Ambo-Rappe et al 2013), as permanent, temporary, regular, or irregular residents. Furthermore, seagrass cover and canopy structure positively correlate with fish species' abundance (Susilo et al 2018). Meanwhile, areas vegetated by seagrass can increase fish biomass, and the economic value per hectare has been estimated to be higher compared to areas with mangrove vegetation and tidal swamps (Jänes et al 2020).…”

Section: Introductionmentioning

confidence: 99%

Seagrass-associated fish species’ richness: evidence to support conservation along the south coast of Lombok Island, Indonesia

2021

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Abstract. Syukur A, Al-Idrus A, Zulkifli L. 2021. Seagrass-associated fish species’ richness: evidence to support conservation along the South Coast of Lombok Island, Indonesia. Biodiversitas 22: 988-998. The concept of seagrass conservation at a global scale tends to be less appropriate with regard to the environmental conditions at the regional and local scales, and thus, there is a need for scientific studies at the regional and local scales to support conservation measures. This research aimed to describe the importance of seagrass conservation based on the species richness of seagrass-associated fish. Data were collected from seven seagrass locations using surveys and observation. Data on the fish species present were collected with the gear used by small-scale fishermen to catch fish in the seagrass area and the surrounding waters. Data analysis was descriptive; the statistical analyses performed included calculation of the Shannon-Wiener index of diversity (H '), the Simpson evenness index (E), and the Morisita species richness index (D) as well as cluster analysis. All statistical analyses were performed in IBM SPSS Statistics 25. We found 104 fish species belonging to 38 families. Leiognathidae, Apogonidae, Clupeidae, Carangidae, Channidae, Sillaginidae, and Mullidae are families with high abundance, and 16 fish species have an abundance of individuals above the average value (192 individuals) of the total number of individuals (20,352). Meanwhile, 94.37% of the fish families are the target catch of small-scale fishermen (commercial fish). The diversity of fish species associated with seagrass in the study location is evidence of the survival of seagrass provision services at the local scale for fish. Therefore, scientific evidence of the species richness of fish, species yang domina, and its importance for small-scale fisheries at each seagrass bed in the study location can be used as a source of information for increasing and improving seagrass conservation efforts at the local scale.

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“…Data pada Tabel 4 tersebut menunjukkan bahwa kepadatan ikan baronng lingkis yang tinggi dijumpai di perairan P. Marsegu, sedangkan kepadatan yang rendah terdpat di perairan P. Buntal, dengan nilai kepadatan rata-rata untuk empat stasiun pengamatan itu adalah 259 individu/ha. Adanya variasi kepadatan ikan baronang lingkis antar stasiun pengamatan itu disebabkan oleh beberapa faktor, antara lain, perbedaan struktur kanopi vegetasi lamun (McCloskey and Unsworth, 2015;Ambo-Rappe, 2016;Susilo et al, 2018), keragaman dan kerapatan vegetasi lamun (Ambo-Rappe, 2010;Munira et al, 2010;Latuconsina et al, 2013) dan mungkin juga karena intensitas penangkapan, ketersediaan makanan dan faktor-faktor fisika, kimia dan biologi lainnya.…”

Section: Kepadatan Ikan Baronang Lingkisunclassified

UKURAN, KEPADATAN DAN POTENSI IKAN BARONANG LINGKIS (Siganus canaliculatus) DI TELUK KOTANIA, SERAM BAGIAN BARAT PADA MUSIM TIMUR

Latumeten

Seknun²,

Tuhumury

2022

TRITON

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White-spotted rabbitfish (Siganus canaliculatus Park, 1797) that live in Indonesian waters are valuable commercial fish species. Research on the fish species has been carried out in the waters of Kotania Bay, West Seram, from mid-June to late July 2022 (which represents the east season), aiming to obtain information on size, density and potential of the fish species. Primary data covering total length (TL), weight and number of individual fish is taken at four observation stations using 120m length of bottom gillnet with mesh sizes consisting of 2.0, 2.5, 3.0 and 3.5 inches. In the process of data collecting, the bottom gillnet is operated in a circle that starting two hours before the low tide then the fish caught are collected at the low tide, while secondary data about allowable size for catching are obtained through literature study. The results showed that the total length of white-spotted rabbitfish scattered in Kotania Bay waters is in the range of 13.1 – 24.6 cm which was dominated by fish with a size of 16 – 18 cm. From secondary data it is known that the white-spotted rabbitfish can be exploited if their total length is more than 15 cm. Mean density of the white-spotted rabbitfish is 259 individual/ha, so the abundance the fish in the area of seagrass beds 823.62 ha was estimated as 213,318 individual fish, The mean weight of the fish at this size is 221.6 grams, so calculated biomass is 46.58 tons with a MSY value of 23.64 tons in wet season. ABSTRAK Ikan baronang lingkis (Siganus canaliculatus Park, 1797) yang hidup di perairan Indonesia termasuk salah satu jenis sumberdaya ikan komersial. Penelitian terhadap sumberdaya ikan baronang lingkis tersebut telah dilakukan di perairan Teluk Kotania sejak pertengahan Juni hingga akhir Juli 2022 (yang mewakili musim timur), dengan tujuan untuk memperoleh informasi tentang ukuran, kepadatan dan potensi dari jenis ikan tersebut. Data primer yang mencakup panjang total, berat dan jumlah individu ikan baronang lingkis diambil di empat stasiun pengamatan yakni di perairan Pulau Osi, di perairan P. Marsegu, di perairan P. Burung dan di perairan P. Buntal, menggunakan jaring insang dasar (bottom gillnet) berukuran panjang 120 m dengan ukuran mata jaring 2,0, 2,5, 3,0 dan 3,5 inchi. Jaring dipasang berbentuk lingkaran yang dimulai dua jam sebelum air surut duduk, ikan-ikan yang tertangkap dikumpulkan disaat air surut duduk tersebut, sedangkan data sekunder tentang ukuran layak tangkap diperoleh dari studi literatur. Hasil penelitian menunjukkan bahwa ukuran panjang total ikan baronang lingkis yang tersebar di perairan Teluk Kotania berada pada kisaran 13,1 – 24,6 cm yang didominasi oleh ikan-ikan berukuran 16 – 18 cm, sedangkan dari data sekunder diketahui bahwa ikan baronang lingkis layak tangkap pada ukuran panjang total >15 cm. Kepadatan rata-rata ikan baronang lingkis adalah 259 individu/ha, dengan demikian kelimpahannya pada luas padang lamun 823,62 ha adalah sebanyak 213.318 individu. Berat rata-rata ikan pada ukuran layak tangkap adalah 221,6 gram, maka biomasa dikalkulasi sebesar 47.27 ton dengan nilai MSY sebesar 23,64 ton pada Musim Timur. Kata Kunci: Ikan baronang, kepadatan, panjang total, potensi, Teluk Kotania

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Seagrass Parameter Affect the Fish Assemblages in Karimunjawa Archipelago

Cited by 6 publications

References 9 publications

Evaluation of seagrass beds as a foraging and nursery habitat based on the structure of the fish community in Nusmapi Island, West Papua, Indonesia

Evaluation of seagrass beds as a foraging and nursery habitat based on the structure of the fish community in Nusmapi Island, West Papua, Indonesia

Seagrass-associated fish species’ richness: evidence to support conservation along the south coast of Lombok Island, Indonesia

UKURAN, KEPADATAN DAN POTENSI IKAN BARONANG LINGKIS (Siganus canaliculatus) DI TELUK KOTANIA, SERAM BAGIAN BARAT PADA MUSIM TIMUR

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