Peran Komunitas Moluska dalam Mendukung Fungsi Kawasan Mangrove di Tanjung Lesung, Pandeglang, Banten

Isnaningsih, Nur Rohmatin; Patria, Mufti Petala

doi:10.21776/ub.biotropika.2018.006.02.01

Cited by 15 publications

(10 citation statements)

References 12 publications

(16 reference statements)

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“…Selain itu, hutan mangrove berfungsi sebagai tempat mencari makan (feeding ground), tempat memijah (spawning ground), dan tempat berkembang biak bagi berbagai biota laut (Negelkerken et al, 2008). Sedangkan komunitas moluska memiliki peranan ekologis bagi hutan mangrove sebagai pengurai serasah dengan cara merobek dan memperkecil serasah, subyek dalam siklus karbon melalui proses respirasi dan kalsifikasi serta sebagai bioindikator pencemaran dan bioindikator logam (Putri et al, 2012;Ayu et al, 2015;Karimah, 2017;Isnaningsih et al, 2018).…”

Section: Pendahuluanunclassified

Keanekaragaman dan Pola Sebaran Moluska (Gastropoda dan Bivalvia) yang Berasosiasi Pada Ekosistem Mangrove di Pesisir Selatan Lombok Timur

Putra

Syukur

Santoso

2021

jstl

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Mangrove ecosystems have an important role in coastal areas. Mangroves have a function as a shelter, foraging for food, and breeding various aquatic biota. Damage to mangrove forests can cause the service of mangrove ecosystems to decrease, especially for mollusk life. Mollusks are one of the associated biotas of mangroves whose life is influenced by mangrove forests. Therefore, the purpose of this study was to determine the diversity of mollusks and the relationship between mollusk density and mangrove density in the mangrove ecosystem of the southern coast of East Lombok. A sampling of mollusks used the quadrate sampling method by purposive sampling by taking into account the mangrove species contained in the observation plot. The collected data were analyzed by diversity index, distribution pattern, association, and Pearson correlation coefficient. Then a simple linear regression analysis was performed with the independent variable (x) mangrove density and the dependent variable (y) mollusk density. The results of this study were the discovery of 22 species of mollusks consisting of 17 species of gastropods and five species of bivalves. The density of mollusks in the mangrove ecosystem of the southern coast of East Lombok is 44.50±2.63 ind./m2. The diversity index at the study site was classified as moderate, with a value ranging from 1.99 to 2.46. The distribution pattern of mollusks at the research site is clustered with an Id value > 1. There are eight mollusk species associated with three mangrove species from 22 mollusk species found. The linear regression equation y = 0.084x – 0.2963 with a Pearson correlation coefficient (r) 0.95 describes a strong relationship between the independent variable (x) mangrove density and the dependent variable (y) mollusk density. This study concludes that there is a significant relationship between mangrove density and mollusk density as indicated by F-hit(41.01) > F-table (7.70) and P-value (0.003) < (0.05).

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Section: Pendahuluanunclassified

Keanekaragaman dan Pola Sebaran Moluska (Gastropoda dan Bivalvia) yang Berasosiasi Pada Ekosistem Mangrove di Pesisir Selatan Lombok Timur

Putra

Syukur

Santoso

2021

jstl

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“…The number of these species is less than those found by Siwi (2017) on the Beach Si Runtoh, Baluran National Park, East Java (19 species); Supusepa (2018) in Negeri Tial and Negeri Suli, Maluku (30 and 39 species, respectively); or even Rumahlatu and Leiwakabessy (2017) in the coastal waters of Ambon Island, Maluku (65 species). However, the number of species in the forest is still greater than that reported by Ernanto et al (2010) in Muara Sungai Batang, South Sumatra (10 species), Isnaningsih and Patria (2018) in Tanjung Lesung, Banten (7 species), Maturbongs and Elviana (2016) in Kambapi Coast, Papua (10 species), Nurrudin et al (2015) in Tanjung Jabung Barat, Jambi (15 species), Rangan (2010) in Minahasa, North Sulawesi (9 species), and Puryono and Suryanti (2019) in Pemalang, Central Java (8 species). Species density at LT-1 is higher than LT-2 density and so subsequently density at LT-2 compared to LT-3.…”

Section: Resultsmentioning

confidence: 58%

Gastropod Density and Diversity in the Mangrove Forest of Pagatan Besar Village, Tanah Laut Regency, Indonesia

2019

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Public awareness and knowledge on mangrove forest biodiversity, especially gastropods, is very limited. This study aims to compare the density and diversity index of gastropod species according to their distance from the coastline and to analyze the relationship of the two with the physical environment around them. Three lanes were placed in the southern part of the mangrove forest. The first lane (LT-1) was placed about 5 m from the coastline towards the sea. The second lane (LT-2) was placed 10 m towards the sea from LT-1 and the third lane (LT-3) was 10 m from LT-2 towards the sea. In each lane there were 10 (1 mx 1 m) plots and the distance between adjacent plots was 10 m. A total of 1.432 Gastropod individuals consisting of 16 species and 7 families were collected from 30 plots. In detail 16 species (927 individuals) were collected from LT-1, 16 species (500 indv) from LT-2, and only 3 species or 5 individuals from LT-3. The density of LT-1, LT-2, and LT-3 species respectively was 92.7; 50.0; and 0.5 indv.m-2, while the diversity index successively was 2.56 (moderate); 2.53 (moderate); and 0.95 (low). Both species density and diversity in lanes that are close to the coastline are higher than in lanes located in the direction of the sea. The base substrate on the path that was close to the coastline was clay, while on the lane that laid in the direction of the sea was sandy loam.

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“…Indeks kemerataan menggambarkan komposisi jumlah individu per spesiesnya. Kategori rendah menunjukkan adanya spesies dengan jumlah individu yang jauh melampaui spesies lainnya, kategori sedang bila ada spesies dengan jumlah individu yang tidak terlalu jauh berbeda, dan kategori rendah bila jumlah individu antar spesies relatif mirip (Magurran, 2004;Isnaningsih & Patria, 2018).…”

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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Peran Komunitas Moluska dalam Mendukung Fungsi Kawasan Mangrove di Tanjung Lesung, Pandeglang, Banten

Cited by 15 publications

References 12 publications

Keanekaragaman dan Pola Sebaran Moluska (Gastropoda dan Bivalvia) yang Berasosiasi Pada Ekosistem Mangrove di Pesisir Selatan Lombok Timur

Keanekaragaman dan Pola Sebaran Moluska (Gastropoda dan Bivalvia) yang Berasosiasi Pada Ekosistem Mangrove di Pesisir Selatan Lombok Timur

Gastropod Density and Diversity in the Mangrove Forest of Pagatan Besar Village, Tanah Laut Regency, Indonesia

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

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