Spatio-Temporal Distribution of Aquatic Biodiversity in Gorai Creek, Sub-Urban Mumbai, India

Year 2022, Volume: 11 Issue: 3, 259 - 270, 30.09.2022

Sudhan Chandran , Sanjenbam Bidyasagar Sıngh Giri Bhavan Sreekanth Geetanjali Deshmukhe Binay Bhusan Nayak Ashok Kumar Jaıswar

https://doi.org/10.33714/masteb.1071967

Cited By: 1

Abstract

This study was conducted to assess the faunal diversity in Gorai Creek of Mumbai, India from August 2019 to July 2020. The data collected month wise were pooled together and transformed into three seasons [Monsoon (June to September), Winter (October to February), and Summer (March to May)] and this seasonal data were used for the study of biodiversity pattern. Using the average seasonal species occurrence data as input the following biodiversity indices, S, N, d, J', H'(loge), 1-Lambda, Delta, Delta*, Delta+, sDelta+, Lambda+, Phi+ & sPhi+ were calculated by using PRIMER (v7.0). It revealed that 90 species of fauna under 70 genera, 50 families, 29 orders, 6 classes and 3 phyla were found to occur in the creek. The order-wise representation of identified fauna was found to be 7 ichthyofaunas, 4 pelecypods, 6 gastropods, 2 cephalopods, 1 shrimp and 1 stomatopod along with 8 avifauna. The present study results indicated that the Gorai Creek ecosystem is endowed with moderate biodiversity that needs to be conserved.

Keywords

Biodiversity Indices, Fauna, Gorai Creek, Mumbai

Supporting Institution

ICAR-Central Institute of Fisheries Education

Project Number

FRM-PA8-07

Thanks

This study was conducted under the theme of ecosystem valuation and part of the Ph.D. research work of the first author. All the authors wish to express gratitude to The Director, ICAR-Central Institute of Fisheries Education, Mumbai for providing the necessary facilities and their support during the study. The First author whole heartedly expresses thankfulness to The Vice-Chancellor, Tamil Nadu Dr. J. Jayalalithaa Fisheries University, Nagapattinam & The Dean, Fisheries College and Research Institute, Thoothukudi for their support to continue the degree programme and invaluable suggestions. The authors also thank the fishermen of Gorai Creek for their selfless cooperation during vessel operation, field trip and sample collection.

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