Molluscs’ Composition and Distribution in Mangroves of the Cameroon Central Coast

doi:10.20431/2349-0365.0505002

Cited by 3 publications

(2 citation statements)

References 27 publications

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“…Consequently, the molluscs population in this bay will be depleted in the future, although many studies are requir to prove this allegation. Kotte-Mapoko et al (2017) express that habitat loss leads forcefully to the disappearance of sensitive biological communities such as macrobenthos species.…”

Section: B Species Of Molluscs Based On Mangrove Zonesmentioning

confidence: 99%

The Diversity of Molluscs in Mangrove Ecosystem of Kendari Bay

Kaharudin¹,

Wahidin²

2020

Journal of Biological Science and Education

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Changes on the mangrove ecosystem, directly and indirectly, affect the living organisms associated with it, including Molluscs. This study aimed to investigating Molluscs species in mangrove ecosystem of Kendari Bay. It is descriptive research containing facts and natures of mangrove Mollusc species. This study conducted from September to November 2020. Observing and collecting the Mollusc organisms were carried out in four mangrove ecosystems like Bruguiera, Bruguiera/Rhizophora, Rhizophora, and Avicenia. The method used in this research was an exploring technique by collecting and counting the found Mollusks. Indicators of observing the Mollusks included morphological characteristics and environmental parameters. Three important environmental parameters, like salinity, acidity (pH), and temperature, were measured during field works using hand refractometer, pH tester, and thermometer, respectively. This research indicates about 279 individuals of Mollusks found in all zones consisting of 17 species representing two classes, Gastropod (14 species) and Bivalves (3 species). During this research, the Gastropod Mollusks found Telescopium-telescopium, Terebralia palustris, T. sulcata, Cerithideopsilia cingulata, C. alata, Nerita squamulata, Cerithidea quadrata, C. obtusa, Latirus paetelianus, Cerithium kobelti, Chicoreus capucinus, Nassarius stolatus, N. niticusis, Siphonalia varicosus. For the three species of Bivalves are Polymesoda erosa, Anadora granosa, and Sacostrea cucullata. The both species T. sulcata and S. cucullata positively dominated all total found Gastropods and Bivalves namely 21.86% and 3.943%, respectively. The three water quality parameters measured at research stations are still on tolerance limits for the collected molluscs.

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Section: B Species Of Molluscs Based On Mangrove Zonesmentioning

confidence: 99%

The Diversity of Molluscs in Mangrove Ecosystem of Kendari Bay

Kaharudin¹,

Wahidin²

2020

Journal of Biological Science and Education

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“…Gastropods are the largest class of the mollusk phylum, with about 100.000 species of mollusks scattered almost all over the world (Strong et al 2008) [22] . According to Nontji (2002) [13] , there are about 1.500 species of gastropods in Indonesia. Its existence plays a role in the food chain in the mangrove ecosystem.…”

Section: Introductionmentioning

confidence: 99%

Abundance and growth pattern of gastropods (Telescopium Telescopium and Cerithidea Obtusa) and association with mangrove ecosystem at bee jay Bakau resort, Probolinggo East Java

Kusuma¹,

Bengen²,

Zamani³

et al. 2022

Int. J. Fish. Aquat. Stud.

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Bee Jay Bakau Resort (BJBR) is a mangrove ecotourism that has been rehabilitated from damaged mangrove areas. This rehabilitation have an impact on typical mangrove fauna such as Telescopium telescopium and Cerithidea obtusa. The present study was performed in December 2020. This study aims to analyze about abundance and growth pattern of gastropods T. telescopium and C. obtusa and the association with BJBR mangrove ecosystems. The sampling was determined using the purposive sampling technique and carried out at three stations based on the distinct locations using a 1mx1m transect. The association of gastropods and mangrove ecosystems was analyzed using Correspondence Analysis (C.A.). The results show that gastropods abundance ranged from 9 ind/m 2 to 84 individuals/m 2 . Overall, the growth pattern is allometric negative, which means the length growth is faster than the weight growth. The result of C.A. showed that there are three association groups of between gastropods and mangroves.

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Dynamic of Mangrove Associated Molluscs in Anthropized Areas of the Cameroon Coastline

Kottè-Mapoko¹,

Ngo-Massou²,

Essomè-Koum³

et al. 2021

OJE

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Due to unabated anthropogenic exploitations, mangrove forests globally are constantly under pressure and degradation, which may result in the reduction of ecosystem functioning and biodiversity. Molluscan fauna, which is one of the main macroinvertebrates that play a major ecological role in nutrient dynamics in mangroves, are sensitive to the changes in their habitat. This survey aims to assess the impact of anthropogenic activities on the diversity of molluscs' communities in the mangrove forest. Anthropogenic disturbances within 20 sampling sites were valued at six mangrove stands and patched scoring the degree of influence according to vegetation, structure, waste and trampling. Molluscs were caught by hand and counted within 1 × 1 m 2 plots placed at three points distant of 50 m established using a straight line transect of 100 m. Upon the 20 sites investigated, five were slightly disturbed, eight moderately disturbed and seven sites were highly disturbed. The mean abundance of molluscs decreased from slightly disturbed areas (172.25 ± 73.09 Ind•m −2 ) to highly disturbed areas (100.57 ± 62.84 Ind•m −2 ). Highly disturbed areas have shown lower species richness (R = 1.09 ± 0.15) and diversity (H' = 2.30 ± 0.31). Human activities in the mangrove forest could particularly have effects on the diversity of molluscs, however, feature potential conservation measures have to be in harmony with the needs of the local population.

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Molluscs’ Composition and Distribution in Mangroves of the Cameroon Central Coast

Cited by 3 publications

References 27 publications

The Diversity of Molluscs in Mangrove Ecosystem of Kendari Bay

The Diversity of Molluscs in Mangrove Ecosystem of Kendari Bay

Abundance and growth pattern of gastropods (Telescopium Telescopium and Cerithidea Obtusa) and association with mangrove ecosystem at bee jay Bakau resort, Probolinggo East Java

Dynamic of Mangrove Associated Molluscs in Anthropized Areas of the Cameroon Coastline

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