Stępień Anna, Jóźwiak Piotr, Gómez Sergio C Garcia, Avramidi Eleni, Grammatiki Kleopatra, Lymperaki Myrsini, Küpper Frithjof C, Esquete Patricia
Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland.
Tecnoambiente S.L., Jerez de la Frontera, Spain.
PeerJ. 2024 Dec 24;12:e18740. doi: 10.7717/peerj.18740. eCollection 2024.
The Mediterranean Sea is recognized as one of the most threatened marine environments due to pollution, the unintentional spread of invasive species, and habitat destruction. Understanding the biodiversity patterns within this sea is crucial for effective resource management and conservation planning. During a research cruise aimed at assessing biodiversity near desalination plants in the vicinity of Larnaca, Cyprus, conducted as part of the WATER-MINING project (Horizon 2020), specimens of the tanaidacean genus were collected. These were classified into two species, identified as new to science, and are described herein as sp. nov and sp. nov. sp. nov is distinguished from its congeners by the presence of a lateral apophysis on pleonite 5, which is longer than those on pleonites 1-4, hyposphenia on pereonites 2-6, and six ventral spines on the propodus of pereopod 1. sp. nov. is characterized by a rounded posterolateral margin on pereonite 6, hyposphenia on pereonites 1-6, and four ventral spines on the propodus of pereopod 1. An updated key to the Atlantic and Mediterranean species is provided. This study provides an overview of the distribution, bathymetric, and habitat preference of all known species. Data extracted from the literature and two popular online databases were analyzed to identify diversity patterns across seas and ecoregions. Our analysis reveals that the Mediterranean is the most diverse region for , with the Levantine Sea hosting ten species and the South European Atlantic Shelf seven species. Shallow waters and muddy and sandy habitats are conducive for occurrence.
地中海被认为是受威胁最严重的海洋环境之一，原因包括污染、入侵物种的无意传播和栖息地破坏。了解这片海域内的生物多样性模式对于有效的资源管理和保护规划至关重要。作为“水开采”项目（地平线2020）的一部分，在塞浦路斯拉纳卡附近旨在评估海水淡化厂附近生物多样性的一次研究航行中，采集了等足目动物属的标本。这些标本被分为两个物种，被确定为科学上新发现的物种，并在此描述为新物种1和新物种2。新物种1与其同属物种的区别在于第5腹节有一个侧突，该侧突比第1 - 4腹节上的侧突长，第2 - 6胸节有下侧片，以及第1步足的腕节有6个腹刺。新物种2的特征是第6胸节的后外侧边缘呈圆形，第1 - 6胸节有下侧片，以及第1步足的腕节有4个腹刺。提供了一份更新的大西洋和地中海等足目物种检索表。本研究概述了所有已知等足目物种的分布、测深和栖息地偏好。对从文献和两个流行的在线数据库中提取的数据进行了分析，以确定不同海域和生态区域的多样性模式。我们的分析表明，地中海是等足目物种最多样化的区域，黎凡特海有10个物种，南欧大西洋陆架有7个物种。浅水以及泥泞和沙质栖息地有利于等足目物种的出现。
