Pattern of shell utilization in the hermit crab Clibanarius zebra (Dana, 1852) along the Saurashtra coast, Gujarat, India

IF 0.7 4区生物学 Q4 ZOOLOGY

Tropical Zoology Pub Date : 2014-10-02 DOI:10.1080/03946975.2014.964923

J. Trivedi, K. Vachhrajani

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引用次数: 4

Abstract

This study focuses on evaluating the pattern of shell utilization by the hermit crab Clibanarius zebra collected from the intertidal zone of four different sites along the Saurashtra coast, Gujarat, India. Specimens were collected monthly from March 2012 to August 2013 during low tide; hermit crab weight (HW) and their shield length (SL) were measured. Gastropod shells were identified and different morphological variables were recorded [dry weight (DW), shell length (SHL), shell aperture length, and shell aperture width]. A total of 804 hermit crabs occupying 23 gastropod species were collected. Cerithium scabridum (41.8%) was the shell most occupied by the crabs followed by Turbo intercostalis (10.6%), Astrea stellata (7.8%), Lunella coronata (6.6%), and Chicoreus brunneus (5.6%). Significant difference was obtained in the percentage of shell occupation between sexes. Regression analysis showed a high correlation between the different morphological variables of hermit crabs and gastropod shells; the highest values of correlation were obtained between HW and DW. The high values of correlation coefficient and regression models between the different morphological variables of hermit crabs and gastropod shells suggest that shell architecture has a huge impact on shell utilization pattern of C. zebra.

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印度古吉拉特邦绍拉什特拉海岸寄居蟹Clibanarius zebra (Dana, 1852)利用壳的模式

研究了在印度古吉拉特邦Saurashtra海岸4个不同地点采集的寄居蟹(Clibanarius zebra)对贝壳的利用模式。2012年3月至2013年8月退潮时每月采集标本;测定寄居蟹体重(HW)和盾长(SL)。对腹足类贝壳进行鉴定，并记录了不同形态参数[干重(DW)、壳长(SHL)、壳孔长和壳孔宽]。共捕获寄居蟹804只，腹足类23种。蟹类最常占据的壳类为铈壳(41.8%)，其次为肋间壳(10.6%)、星状壳(7.8%)、冠状壳(6.6%)和褐纹壳(5.6%)。两性间占壳率有显著差异。回归分析表明，寄居蟹与腹足类贝壳的形态变量具有较高的相关性;HW与DW的相关性最高。寄居蟹与腹足类贝壳的不同形态变量之间存在较高的相关系数和回归模型，表明寄居蟹的壳结构对斑马蛤的壳利用模式有很大的影响。

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

Tropical Zoology 生物-动物学

CiteScore

2.50

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： Tropical Zoology is an international zoological journal publishing original papers in the field of systematics, biogeography, phylogeny, ecology and conservation of all terrestrial and aquatic animal Phyla from tropical and subtropical areas. Only papers with new information, high quality and broad interest are considered. Single species description and checklists are not normally accepted. Review papers are welcome. The journal is owned by the Istituto di Ricerca sugli Ecosistemi Terrestri of the Consiglio Nazionale delle Ricerche, Florence, Italy (CNR-IRET) who performs research into the structure and functioning of aquatic and terrestrial ecosystems, focusing in particular on anthropogenic pressure and global change. The knowledge amassed forms the scientific basis for identifying the most appropriate protective and corrective interventions, and provides support for the bodies entrusted with formulating policies for environmental protection and recovery.