Community structure of megabenthos of Perdido Fold Belt (Tamaulipas, Mexico) and its relationship with the oceanographic and sediment parameters including potential pollutants

IF 1 4区生物学 Q4 ECOLOGY

Marine Biology Research Pub Date : 2022-09-14 DOI:10.1080/17451000.2022.2137198

J. Rubio-Polania, A. González-Solis, C. Enriquez, F. Árcega-Cabrera, V. Ceja-Moreno, L. Cetina-Euan, R. Poot-Aguayo, F. Nuñez-Chan, D. Torruco

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Abstract

ABSTRACT Various ecosystems of the Gulf of Mexico (GoM) may be impacted by the present increase in offshore oil exploitation. To identify future changes caused by this activity, we assessed the structure of the megabenthos community in the Perdido Fold Belt (PFB) and its relationships with environmental variables, hydrocarbons, and heavy metals. To achieve this, biological and sediment samples were obtained during the surveys Perdido II (PII) and Perdido III (PIII). 325.75 103 ind km−2 and 582.34 kg AFDW km−2 were collected, distributed in 110 species. Crustaceans and echinoderms comprised more than 70% of the total abundance and biomass. The most abundant species were Astropecten cingulatus Sladen, 1883, Callinectes sapidus Rathbun, 1896, Astropecten duplicatus Gray, 1840, and Penaeus aztecus (Ives, 1891) (12.2 103 ≤ ind Km−2 ≤ 59.4 103). They also had the greatest biomass contribution (16.8 ≤ kg AFDW km−2 ≤ 192.2). BIOENV test showed the influence of depth (Z), salinity, dissolved oxygen (DO), Acenaphthylene (Acy), Fluoranthene (Flu), n-C12, n-C37, and nickel (Ni) on the community structure. Recruitment and trawling also influenced the abundance and biomass values. Despite Z defines the environmental gradient, the hydrocarbon concentration gradient within the shelf areas makes it a good candidate for developing monitoring programmes.

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墨西哥塔毛利帕斯州Perdido褶皱带巨型生物群落结构及其与海洋和沉积物参数(包括潜在污染物)的关系

墨西哥湾(GoM)的各种生态系统可能受到目前海上石油开采增加的影响。为了确定这一活动引起的未来变化，我们评估了Perdido褶皱带(PFB)巨型生物群落的结构及其与环境变量、碳氢化合物和重金属的关系。为了实现这一目标，在Perdido II (PII)和Perdido III (PIII)调查期间获得了生物和沉积物样本。共收集到325.75 103 ind km−2和582.34 kg AFDW km−2，分布于110种。甲壳类和棘皮类占总丰度和生物量的70%以上。其中最丰富的种有:星形鹦鹉(Astropecten cingulatus Sladen, 1883年)、糙皮鹦鹉(calinectes sapidus ratthbun, 1896年)、双头鹦鹉(Astropecten duplicatus Gray, 1840年)和阿氏对虾(Penaeus aztecus, Ives, 1891年)(12.2 103≤和Km−2≤59.4 103)。它们的生物量贡献最大(16.8≤kg AFDW km−2≤192.2)。BIOENV试验显示了深度(Z)、盐度、溶解氧(DO)、苊(Acy)、氟蒽(Flu)、n-C12、n-C37和镍(Ni)对群落结构的影响。捕捞和拖网捕捞也影响丰度和生物量值。尽管Z定义了环境梯度，但陆架区域内的碳氢化合物浓度梯度使其成为制定监测方案的良好候选者。

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来源期刊

Marine Biology Research 生物-海洋与淡水生物学

CiteScore

2.10

自引率

0.00%

发文量

审稿时长

6-12 weeks

期刊介绍： Marine Biology Research (MBRJ) provides a worldwide forum for key information, ideas and discussion on all areas of marine biology and biological oceanography. Founded in 2005 as a merger of two Scandinavian journals, Sarsia and Ophelia, MBRJ is based today at the Institute of Marine Research, Bergen, Norway. The Journal’s scope encompasses basic and applied research from all oceans and marine habitats and on all marine organisms, the main criterium for acceptance being quality.