Influence of the invasive bivalve Isognomon bicolor on the native community found in northeast Brazilian coast

IF 1 4区生物学 Q3 ZOOLOGY

Canadian Journal of Zoology Pub Date : 2023-05-11 DOI:10.1139/cjz-2022-0138

Romilda Narciza Mendonça de Queiroz, Graciele de Barros, Linaldo Luiz de Oliveira, Camile Dias Avelino, T. L. Dias

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引用次数: 0

Abstract

The Caribbean bivalve Isognomon bicolor (C. B. Adams, 1845) is currently among the main invasive species along the Brazilian coast. The present study evaluated the co-occurrence, influence, and relationship of the native macrobenthic community with I. bicolor. The study was performed on samples collected from two sandstone reefs located in Northeast Brazil. We observed that the macrobenthic community differed significantly across reefs, zones, and seasons. The higher density of I. bicolor in the lower intertidal zone (347.7 ind/m² ± 800.8) was one of the main differentiation factors of zonation. The results indicated that the evenness of the community and some gastropods had a negative effect on I. bicolor. We found a negative correlation between the co-occurrence of I. bicolor with the macroalgae Hypnea sp. and Gracilaria caudata J. Agardh 1852 and the microgastropod Eulithidium affine (C. B. Adams, 1850). This study provides data on the relationship between I. bicolor and the native community of sandstone reefs, which could be applied to monitor the expansion of I. bicolor to the Northeast region of Brazil.

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巴西东北海岸入侵双壳类植物双色等腰鱼对当地群落的影响

加勒比双壳类生物Isognomon bicolor (C. B. Adams, 1845)是目前巴西海岸的主要入侵物种之一。本研究评估了本土大型底栖动物群落与双色鲤的共现、影响及其关系。这项研究是在巴西东北部的两个砂岩礁上采集的样本上进行的。我们观察到，大型底栖动物群落在不同的珊瑚礁、区域和季节之间存在显著差异。下潮间带双色蝶密度较高(347.7 ind/m²±800.8)，是分带的主要分异因素之一。结果表明，群落的均匀性和部分腹足类动物对双色田鼠有不利影响。我们发现双色瓢虫与大藻类Hypnea sp.和Gracilaria caudata J. Agardh(1852)和小腹足类Eulithidium affine (C. B. Adams, 1850)共生呈负相关。本研究提供了双色刺槐与原生砂岩礁群落关系的数据，可用于监测双色刺槐在巴西东北部地区的扩张。

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

Canadian Journal of Zoology 生物-动物学

CiteScore

2.40

自引率

0.00%

发文量

审稿时长

3 months

期刊介绍： Published since 1929, the Canadian Journal of Zoology is a monthly journal that reports on primary research contributed by respected international scientists in the broad field of zoology, including behaviour, biochemistry and physiology, developmental biology, ecology, genetics, morphology and ultrastructure, parasitology and pathology, and systematics and evolution. It also invites experts to submit review articles on topics of current interest.