巴西伯南布哥市热带城市沙滩上的小动物群落结构

IF 0.5 4区生物学 Q4 MARINE & FRESHWATER BIOLOGY

Ciencias Marinas Pub Date : 2023-05-29 DOI:10.7773/cm.y2023.3294

Mariana F Cavalcanti, Paula AS Chaddad, Érika Santos, Betânia C Guilherme

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引用次数: 0

摘要

沙滩是巴西最广泛的沿海生态系统之一，是陆地和海洋环境之间重要的缓冲区。以线虫为研究对象，分析了巴西东北部某城市热带沙滩的小动物群落分布及其时空变化特征。我们在两个采样周期内设置了4个样带来评估不同的海滩区域。其中数计动物包括8个分类群，线虫动物包括5目16科45属。这些小动物群落遵循巴西东北部其他热带沙滩的定性和定量标准。线虫群落的组成和营养结构在旱季和雨季之间存在差异，但与颗粒特征的相关性不显著。这表明其他变量可能影响Gaibu海滩线虫群落的结构。鉴于缺乏这些环境的可用信息以及它们目前所处的极端压力，迫切需要对巴西东北部沙滩上的小动物群落的生物多样性进行进一步研究。

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Structure of meiofaunal communities in an urban tropical sandy beach in Pernambuco, Brazil

Sandy beaches are among the most extensive coastal ecosystems in Brazil and constitute important buffer zones between terrestrial and marine environments. The present study aimed to analyze the distribution and spatiotemporal variation of the meiofaunal community of an urban tropical sandy beach in northeastern Brazil with a particular focus on nematofauna. We set up 4 transects during 2 sampling periods to evaluate different beach zones. The meiofauna comprised 8 taxa, and the nematofauna consisted of 5 orders, 16 families, and 45 genera. The meiofaunal communities followed the qualitative-quantitative standards of those of other tropical sandy beaches in northeastern Brazil. The nematofaunal community showed variation in its composition and trophic structure between dry and rainy months, which were not significantly correlated with granulometric characteristics. This suggests that other variables may influence the structure of nematofaunal communities in Gaibu Beach. Further research on the biodiversity of the meiofaunal communities on sandy beaches in northeastern Brazil is urgently needed given the lack of available information of these environments and the extreme stress they are currently under.

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来源期刊

Ciencias Marinas 生物-海洋与淡水生物学

CiteScore

1.10

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： A bilingual open-access publication, Ciencias Marinas (CM) is an international peer-reviewed journal that contains original research findings in all areas of marine science. It is published quarterly by the Autonomous University of Baja California, Mexico, and all its contents are publicly available on our journal website. Though a limited number of copies are still printed, the journal is mainly distributed in its electronic format. CM was conceived in 1973 as part of an academic project aimed to entice local researchers to publicly disclose their findings by adopting the culture of peer-review publishing. This academic project evolved into an international journal after accepting papers from researchers in the United States and, eventually, other parts of the world. Because of the diversity in authorship, CM issues were initially published in either Spanish or English, and occasionally in both languages. It was not until 1984 when CM included both language versions of all its contents, and it then became the fully bilingual journal it still is today. At CM we believe our inclusive format allows us not only to address a wider range of submissions from international authors but also to make published findings available to a wider international audience. So whether you are looking for information on the redfish in Icelandic waters or the physical and biological properties of the Gulf of California, feel free to peruse CM contents. You may find them to provide source material for your research.