Molluscan diversity in the mangrove ecosystem of Mumbai, west coast of India

Kantharajan, G.; Pandey, Pramod Kumar; Krishnan, P.; Samuel, V. Deepak; Bharti, Vidya Shree; Ramachandran, Ramesh

doi:10.1016/j.rsma.2017.06.002

Cited by 20 publications

(17 citation statements)

References 15 publications

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“…Composition is a description of a community structure based on the types of organisms found in a particular region. Identification of gastropods was performed using identification keys according to Abbott and Dance (2000), Jeeva et al (2018), and Kantharajan et al (2017).…”

Section: Discussionmentioning

confidence: 99%

Gastropod Community Structure as Environmental Change Signals for Tropical Status In Sedati Waters, Indonesia

Melati¹,

Sari²,

Cahyoko³

et al. 2021

Ecol. Eng. Environ. Technol.

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Sedati is one of the Sidoarjo Regency's Coastal Areas, which has potential resources in capture fisheries. Many industries in Sedati have caused a decrease in the aquatic productivity and aquatic organism conditions, including gastropods. Gastropods are easy to find in various habitats, but their distribution is highly dependent on the habitat conditions such as physical, chemical and biological factors. Gastropods are sensitive to environmental changes and can withstand the environmental changes that are not too wide to be used as indicators of environmental pollution. This study aims to determine the structure of the gastropod community in the Sedati Waters. The research was performed using an observation method. The gastropod samples were taken using a dredge net, while the substrate samples were collected using Ekman grab. The gastropods found in Sedati Waters from October to December are nine species from 2 orders and six families. The species most commonly found in R. venosa, while the least is C. ventricosa. The abundance index of gastropods every month shows a marked difference between stations but not the other main parameters. The diversity index value was between 1.4846-2.0897. The evenness index value reached between 0.8284 and 0.9548. The dominance index ranged from 0.16 to 0.2299. The community structure of gastropods in the Sedati Waters, Sidoarjo, East Java shows a significant difference (p<0.05) between stations and belongs to the medium category.

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Section: Discussionmentioning

confidence: 99%

Gastropod Community Structure as Environmental Change Signals for Tropical Status In Sedati Waters, Indonesia

Melati¹,

Sari²,

Cahyoko³

et al. 2021

Ecol. Eng. Environ. Technol.

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“…The study in each site was done on a monthly basis during low tide from November 2019 to February 2020. A quadrant (1m x1m) (Kantharajan et al, 2017) was fixed at a distance of 72 meters in between two points of study. Random walks were also done during the study.…”

Section: Methodsmentioning

confidence: 99%

“…The macro benthic fauna shows dominance of gastropods and bivalves in the shores in and around Mumbai (Balasaheb et al, 2017). Even in the mangrove areas gastropods dominated followed by bivalves and then Short Term Biodiversity Study of Shore Dwelling Organisms of South Mumbai Coast polyplacophora were also recorded from Mumbai (Kantharajan et al, 2017). While brachyuran crabs were being recorded from the coast of Uran (Pawar, 2017a).…”

Section: Introductionmentioning

confidence: 99%

Short Term Biodiversity Study of Shore Dwelling Organisms of South Mumbai Coast

Fatema¹,

Srigayatridevi²,

Sarvesh³

et al. 2021

JSR

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Mumbai is one of the most populated coastal metropolitan cities in the world. Even with a high population density, the coastal ecosystem shows diverse organisms. However, due to the anthropogenic activities, this diversity is under threat. The present study aims to understand the diversity of sandy shore of Girgaon Chowpatty and rocky shore of Haji Ali. This work was carried out during the low tide in the intertidal region of both the sites. Combination of quadrant method and random walks was used to collect the data. The effect of human invasion was seen during the study. Despite the high footfall and anthropogenic activity, the intertidal region was thriving with organisms.

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“…Eighteen macrobenthic species including molluscs and brachyurans were reported from the mudflats of Gorai creek having extensive mangroves (Balasaheb et al, 2017). Kantharajan et al (2017) identified 61 molluscan species from eight mangrove ecosystems along Mumbai coast. This included 46 species of Gastropoda, 14 species of Bivalvia, and 1 Polyplacophora.…”

Section: Mangrove Mudflatsmentioning

confidence: 99%

Marine Macrobenthos of NorthWest India-Reviewing the Known and Unknown

et al. 2021

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Tropical ecosystems sustain higher biodiversity and face faster species extinction. However, baseline information of these areas is either inadequate or scattered due to various reasons. The 2,360 km long coast of North West India (NWI), is a heavily industrialized and urbanized zone. This coast with unique biogeographical and climatic features with two notified marine protected areas also supports rich biodiversity. This review was motivated by a need to construct a synoptic view on marine benthic ecology and functioning by consolidating available information of macrobenthos. Two thousand seventy-eight macrobenthic taxa belonging to 14 phyla were compiled from 147 references and were composed mostly by Polychaeta (n = 617), Gastropoda (n = 602), and Bivalvia (n = 216). Habitat wise, intertidal and subtidal zones were more intensely studied and contributed most to the diversity records. Sediment texture and salinity were the major drivers of macrobenthic community structure in the subtidal areas and estuaries, respectively. In the intertidal zones, zonation patterns related to the tidal levels and time of exposure were distinct with the high water zones being sparsely populated and lower intertidal zones sustaining higher species and functional diversities. All zones of NWI coast were distinctly impacted to various extent by anthropogenic activities affecting the resident macrobenthos. Decline in species richness and species substitution due to pollution were reported in urbanized zones. Non-monsoonal months favored a more conducive environment for the macrobenthic diversity and functionality. Hypoxia tolerant polychaete species mainly belonging to Spionidae and Cossuridae dominated during the low oxygen conditions of upwelling and OMZ zones of NWI. Inadequate identification and inconsistency of sampling methods were major deterrents for concluding trends of distributions. Suggestions for future macrobenthic research include focusing on lesser studied groups and areas, seasonal as well anthropogenic hypoxic zones and well planned long-term monitoring studies. Major data lacunae were identified in the taxonomy, molecular, functional aspects, and bioinvasive studies of macrobenthos in this geographical zone despite clear evidence of high diversity of extant macrofauna. This compendium should help prioritize research areas and objectives aimed at enhancing our understanding of macrobenthos and improve predictive capabilities of community shifts that may occur due to global climate change scenarios.

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Molluscan diversity in the mangrove ecosystem of Mumbai, west coast of India

Cited by 20 publications

References 15 publications

Gastropod Community Structure as Environmental Change Signals for Tropical Status In Sedati Waters, Indonesia

Gastropod Community Structure as Environmental Change Signals for Tropical Status In Sedati Waters, Indonesia

Short Term Biodiversity Study of Shore Dwelling Organisms of South Mumbai Coast

Marine Macrobenthos of NorthWest India-Reviewing the Known and Unknown

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