Distribution, diversity and abundance of molluscs in the intertidal profile of the Bhitarkanika mangrove ecosystem

IF 0.8 4区生物学 Q3 ZOOLOGY

Molluscan Research Pub Date : 2021-01-02 DOI:10.1080/13235818.2021.1882924

A. Mansingh, Antaryami Pradhan, N. J. Ekka

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引用次数: 1

Abstract

ABSTRACT The objective of this study was to determine the structure and composition of the molluscan community in two different intertidal profiles of the Bhitarkanika mangrove ecosystem of Odisha. Investigations on four study stations revealed the occurrence of 37 molluscan species represented by 25 gastropods and 12 bivalves. The comparative assessment demonstrated that molluscan species assemblage and diversity varied in the two different intertidal profiles with significantly higher abundance (P-value = 2.912e-11) at the mid-intertidal zone than the high intertidal zone. The species accumulation curve also indicates higher species accumulation in the mid intertidal zone as compared to the high intertidal zone. The two different zones were also found to differ significantly in physico-chemical parameters. Taken together, the observations demonstrated that hydrological and soil environmental conditions such as salinity, temperature, pH, electron conductivity and soil biomass carbon may influence the dispersion and distribution of benthic molluscan faunal assemblages among different mangrove habitats. The results highlighted the need for long-term studies and perspective when evaluating conservation practices in mangrove ecosystems.

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Bhitakanika红树林生态系统潮间带剖面中软体动物的分布、多样性和丰度

摘要:本研究旨在确定奥里萨邦Bhitarkanika红树林生态系统两个不同潮间带剖面中软体动物群落的结构和组成。在4个研究站的调查中发现有37种软体动物，其中腹足类25种，双壳类12种。对比分析表明，两种潮间带剖面的软体动物种类组合和多样性存在差异，中潮间带的软体动物丰度显著高于高潮间带(p值= 2.912e-11)。物种积累曲线也表明中潮间带的物种积累高于高潮间带。两个不同区域的物理化学参数也存在显著差异。综上所述，水文和土壤环境条件(如盐度、温度、pH、电子电导率和土壤生物量碳)可能影响底栖软体动物群落在不同红树林生境中的分散和分布。研究结果强调，在评估红树林生态系统的保护措施时，需要进行长期研究和前瞻性研究。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Molluscan Research 生物-动物学

CiteScore

1.80

自引率

10.00%

发文量

审稿时长

>12 weeks

期刊介绍： Molluscan Research is an international journal for the publication of authoritative papers and review articles on all aspects of molluscan research, including biology, systematics, morphology, physiology, ecology, conservation, biogeography, genetics, molecular biology and palaeontology. While the scope of the journal is worldwide, there is emphasis on studies relating to Australasia and the Indo-west Pacific, including East and South East Asia. The journal’s scope includes revisionary papers, monographs, reviews, theoretical papers and briefer communications. Monographic studies of up to 73 printed pages may also be considered. The journal has been published since 1957 (as the Journal of the Malacological Society of Australia until 1993). It is free to members of the Malacological Society of Australasia and the Society for the Study of Molluscan Diversity.