Biodiversity and distribution of gastropods at seagrass meadow of Balangdatu waters Tanakeke Island South Sulawesi Indonesia

Litaay, Magdalena; Deviana, Marwa; Priosambodo, Dody

doi:10.20956/ijab.v1i2.3134

Cited by 7 publications

(9 citation statements)

References 3 publications

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“…Indeks dominansi adalah indeks yang digunakan untuk mengetahui ada tidaknya dominansi dari spesies tertentu. Rumus indeks dominansi (Litaay et al, 2017) yaitu C adalah indeks dominansi. Hasil perhitungan indeks dominansi dianalisis berdasarkan kriteria yaitu 0 < C ≤ 0,30 = dominansi rendah; 0,30 < C ≤ 0,60 = dominansi sedang; 0,60 < C ≤ 1 = dominansi tinggi.…”

Section: Metode Penelitianunclassified

“…Indeks dominansi gastropoda di Pulau Harapan pada stasiun 1 adalah 0,176, stasiun 2 adalah 0,412, dan stasiun 3 adalah 0,319. Dominansi gastropoda pada stasiun 1 tergolong rendah karena nilainya kurang dari 0,30, sedangkan dominansi gastropoda stasiun 2 dan 3 menunjukkan dominansi sedang (Litaay et al, 2017). Adanya dominansi spesies dikarenakan kondisi lingkungan yang sesuai dengan habitatnya untuk pertumbuhan dan ketersediaan makanan serta kemampuan adaptasi spesies terhadap lingkungannya (Saripantung et al, 2013).…”

Section: Kemelimpahan Gastropodaunclassified

“…Kesesuaian kondisi lingkungan makhluk hidup dapat ditunjukkan dengan pola distribusi spesies. Menurut Odum (1993) dalam Litaay et al (2017), pola distribusi spesies gastropoda tergantung kebiasaan makan spesies. Spesies gastropoda cenderung berkelompok apabila tersedia makanan dan terdapat substrat kesukaan spesies gastropoda (Litaay et al, 2017).…”

Section: Gastropoda Yang Memiliki Nilai Kr Tertinggi Yaituunclassified

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Struktur Komunitas dan Asosiasi Gastropoda pada Ekosistem Lamun di Pulau Harapan, Kepulauan Seribu

Novinta

Adharini

2022

Jurnal Kelautan Nasional

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Gastropoda adalah biota air yang banyak hidup di daerah intertidal seperti lamun. Peran gastropoda yaitu sebagai komponen rantai makanan dan merupakan herbivora atau detritivora yang memakan bahan organik busuk di lamun. Data terkait keberadaan gastropoda masih terbatas dan belum banyak mendapatkan perhatian sehingga diperlukan penelitian untuk upaya konservasi. Tujuan penelitian ini untuk mengetahui struktur komunitas, kemelimpahan, dan asosiasi gastropoda pada ekosistem lamun di Pulau Harapan. Penelitian dilakukan pada Oktober 2020 dengan metode purposive sampling menggunakan transek kuadrat. Lokasi penelitian dibagi menjadi 3, yaitu stasiun 1 di selatan pulau dekat rumah warga dan jalan lingkar, stasiun 2 di sisi timur yang banyak terdapat mangrove, dan stasiun 3 di sisi utara pembuangan limbah rumah tangga. Pengamatan setiap kuadrat plot meliputi jenis dan jumlah gastropoda serta pengukuran kualitas air, yaitu salinitas, suhu, pH, dan DO. Parameter pengamatan meliputi kemelimpahan, indeks keanekaragaman, indeks keseragaman, indeks dominansi, indeks nilai penting, pola distribusi spesies, persentase penutupan lamun, dan asosiasi gastropoda dengan lamun meliputi asosiasi penutupan lamun dengan indeks keanekaragaman, kemelimpahan, dan kemerataan gastropoda. Spesies gastropoda yang ditemukan yaitu sebanyak 15 spesies. Rata-rata indeks keanekaragaman kategori sedang yaitu 1,60, indeks kemerataan kategori sedang yaitu 0,672, indeks dominansi kategori sedang yaitu 0,319, dan indeks kemelimpahan sebesar 0,04-4,04 ind/m2. Pola distribusi gastropoda di Pulau Harapan yaitu acak, seragam, dan mengelompok. Asosiasi lamun dengan kemelimpahan dan keanekaragaman menunjukkan asosiasi positif namun sangat lemah, sedangkan dengan keseragaman berasosiasi negatif namun sangat lemah. Kemelimpahan tertinggi yaitu spesies Terebralia palustris. Berdasarkan hasil penelitian, secara umum kondisi perairan Pulau Harapan masih mendukung sebagai habitat yang baik untuk gastropoda.

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Section: Metode Penelitianunclassified

Section: Kemelimpahan Gastropodaunclassified

Section: Gastropoda Yang Memiliki Nilai Kr Tertinggi Yaituunclassified

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Struktur Komunitas dan Asosiasi Gastropoda pada Ekosistem Lamun di Pulau Harapan, Kepulauan Seribu

Novinta

Adharini

2022

Jurnal Kelautan Nasional

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“…Nassarius olivaceus pernah dilaporkan dari mangrove Banda Aceh, Aceh (Irma & Sofyatuddin, 2012) dan Alas Purwo, Jawa Timur (Adi et al, 2013). Selain dari mangrove, spesies ini juga dilaporkan dari habitat rumput laut di sekitar Pulau Tanakeke, Sulawesi Selatan (Litaay et al, 2017). Hal ini menunjukkan bahwa mangrove bukanlah habitat utama bagi spesies ini.…”

Section: Pembahasanunclassified

Komunitas Gastropoda Mangrove di Sungai Perpat dan Bunting, Kecamatan Belinyu, Kabupaten Bangka

Yuliawati

Afriyansyah

Mujiono

2021

OLDI

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<strong>Mangrove gastropod community in Perpat and Bunting Rivers, Belinyu District, Bangka Regency</strong>. Perpat and Bunting in Bangka Regency have an adequate and natural mangrove ecosystems. However, studies on the structure of the gastropod community in this ecosystem is lacking. This study aimed to discover the structure of the gastropod community in the mangrove ecosystem. This study was carried out from October to November 2019 in riverine mangrove area located in Perpat and Bunting Rivers, District Belinyu, Bangka Regency. Samples were taken from 10 x 10 m plot from six observed stations. A total of 578 individuals of gastropoda were collected, comprised of seven families and 14 species. Number of species ranged from 4 to 9, while number of individuals ranged from 35 to 214. <em>Cerithidea quoyii</em> was a dominant species with 270 individuals (47%) and found in all stations. Gastropods community was in labile condition and prone to environmental change. Species composition of gastropods were similar in both rivers with nine identical species. However, epifaunal species were found separately from arboreal species

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“…Therefore, the presence of gastropods in mangrove ecosystems can describe a good environmental condition and be able to maintain mangrove ecosystem stability. According to Savic et al (2016); Litaay et al (2017); Reguera et al (2018); Baroudi et al (2020), gastropods have high economic values and can be used as bioindicators of environmental quality.…”

Section: Introductionmentioning

confidence: 99%

The influence of physicochemical environment on the distribution and abundance of mangrove gastropods in Ngurah Rai Forest Park Bali, Indonesia

2020

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Abstract. Imamsyah A, Arthana IW, Astarini IA. 2020. The influence of physicochemical environment on the distribution and abundance of mangrove gastropods in Ngurah Rai Forest Park Bali, Indonesia. Biodiversitas 21: 3178-3188. Ngurah Rai Forest Park is the widest mangrove ecosystem in Bali that close to the business center and tourism area. The strategic location of the Ngurah Rai Forest Park is estimated to produce anthropogenic waste that can disrupt the gastropod population and stability of the mangrove ecosystems. This study aims to analyze the mangrove density, distribution, and abundance of gastropods based on the quality of the biophysical environment. Mangrove data collection was carried out using a plot transect of 10 m x 10 m, 5 m x 5 m, and 1 m x 1 m. Meanwhile, samples gastropods were collected on a plot transect of 0.5 m x 0.5 m in plot transect of 5 m x 5 m. A total of 11 gastropods species and 6 mangrove species were recorded in this study. The dominant gastropods species found were Assiminea brevicula (28 ind/m2). Species mangrove of Sonneratia alba and Rhizophora apiculata found were in all study sites with tree density values of 1000 ind/ha. Subsequently, the ecological index calculation results show that the diversity index (H’) (2.89-3.2), evenness index (E) (0.87-0.93), and dominance index (C) (0.12-0.17). Based on the Principal Component Analysis (PCA) found was Assiminea brevicula spread on sand and silt substrates and adaptive to the temperature condition, salinity, pH, and dissolved oxygen. Furthermore, other analysis results showed that Cerithidea cingulata, Cerithidea quadrata, Littoraria articulata, and Littoraria scabra were found on clay substrate with high C-organic content. In conclusion, gastropods are evenly distributed and no species dominate the ecosystems.

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Biodiversity and distribution of gastropods at seagrass meadow of Balangdatu waters Tanakeke Island South Sulawesi Indonesia

Cited by 7 publications

References 3 publications

Struktur Komunitas dan Asosiasi Gastropoda pada Ekosistem Lamun di Pulau Harapan, Kepulauan Seribu

Struktur Komunitas dan Asosiasi Gastropoda pada Ekosistem Lamun di Pulau Harapan, Kepulauan Seribu

Komunitas Gastropoda Mangrove di Sungai Perpat dan Bunting, Kecamatan Belinyu, Kabupaten Bangka

The influence of physicochemical environment on the distribution and abundance of mangrove gastropods in Ngurah Rai Forest Park Bali, Indonesia

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