Contribution to a synopsis of marine species richness in the Pertuis Charentais Sea with new insights in soft-bottom macrofauna of the Marennes-Oléron Bay

IF 0.6 4区生物学 Q4 MARINE & FRESHWATER BIOLOGY

Cahiers De Biologie Marine Pub Date : 2000-03-01 DOI:10.21411/CBM.A.2E300127

X. Montaudouin, P. Sauriau

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引用次数: 58

Abstract

The catalogue of soft-bottom macrofauna in the Marennes-Oleron Bay (French Atlantic coast) has been updated from a benthic survey conducted in April-May 1995. 262 stations were selected using a stratified random strategy based on sediment types and bathymetric levels. 231 soft-bottom macrofauna species were identified. A synopsis of all available literature since the first local marine study published in 1710 by Antoine Ferchauld de Reaumur indicated that 60 benthic species were reported in the Marennes-Oleron Bay for the first time. The sampling effort, i.e. more than 1 station per km(2) and size of the sieving square mesh (1 mm), can partially explain these results. Most of the new recorded species were crustaceans (28 species) and polychaete annelids (25 species) for only five molluscs. First report of Ocinebrellus inornatus, Mollusca Gastropoda, should be noted for the European Atlantic coasts. Additionally, alteration of subtidal habitats, colonized by Crepidula fornicata Linnaeus (Mollusca, Gastropoda) since the 1970's, may also have facilitated the recruitment and spread of some annelid polychaetes which were not previously reported in the Marennes-Oleron Bay. The total number of macrofauna species in the Pertuis Charentais Sea is 858.

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对Pertuis Charentais海海洋物种丰富度的贡献，以及对marennes - ol ron湾软底大型动物的新认识

根据1995年4月至5月进行的底栖动物调查，马伦纳-奥勒隆湾(法国大西洋沿岸)的软底大型动物群目录已得到更新。基于沉积物类型和水深水平，采用分层随机策略选择262个站点。发现大型软底动物231种。自1710年Antoine Ferchauld de Reaumur发表第一份本地海洋研究报告以来，所有现有文献的摘要表明，在Marennes-Oleron湾首次报告了60种底栖生物。采样努力，即每公里超过1个站点(2)和筛分方形网(1毫米)的大小可以部分解释这些结果。新记录的种类以甲壳类(28种)和多毛纲环节动物(25种)居多，仅有5种软体动物。在欧洲大西洋沿岸首次报道了软体动物腹足纲(ocinebrelus inornatus)。此外，自20世纪70年代以来，潮下栖息地被Crepidula fornicata Linnaeus(软体动物，腹足动物)占领，这也可能促进了一些以前未在Marennes-Oleron湾报道的环节动物多毛类的补充和传播。该海域大型动物种类总数为858种。

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

Cahiers De Biologie Marine 生物-海洋与淡水生物学

CiteScore

1.50

自引率

16.70%

发文量

审稿时长

6-12 weeks

期刊介绍： BM - Cahiers de Biologie Marine publishes papers on all aspects of the biology of marine organisms and of biological oceanography, in particular in the following fields: Benthic and planktonic Ecology; Ecophysiology; Population dynamics and Population genetics; Food webs; Systematics and Phylogeny. The key criteria are that the work clearly demonstrates its novelty, its importance to a particular field as well as its interest to those outside that discipline, and conclusions that are justified by the study. Reviews on current topics are welcome. Selected papers or abstracts from international symposia or workshops may also be considered. Short communications (4 printed pages) may also be published. Papers must be original and must not have been published or be under consideration for publication elsewhere. They will be reviewed by at least two referees before acceptance for publication. Short note about new record could be accepted only if this one significantly increases the distribution area of the species and if the paper includes a discussion about the general distribution of the species and the significance of the observed range extension.