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使用基于多样性的指数,测量低多样性的北极潮间类类动物群的生态质量状况

Elena Golikova¹, Marina A Varfolomeeva¹, Anna Kursheva²

¹Department of Invertebrate Zoology, Faculty of Biology, St. Petersburg State University, Universitetskaya nab. 7/9, 199034 St. Petersburg, Russia.

Marine pollution bulletin

|May 31, 2024

概括

由于物种多样性较低,很难评估海洋潮区. 在息地之间聚合各种动物的多样性,为评估生态质量提供了一种可靠的方法,与污染水平相匹配. 这种方法增强了海洋生态系统的评估.

科学领域:

海洋生态海洋生态学
环境科学环境科学
微观古生物学的古生物学

背景情况:

海洋潮区对生态质量评估 (EcoQS) 提出了挑战,原因是动物多样性低和耐压物种.
传统的方法与潮间社区的固有特征作斗争.

研究的目的:

开发和验证一种新的方法来评估海洋潮间生态质量,通过聚合生物多样性.
为了比较源自foraminiferal多样性的EcoQS与污染水平 (多环芳化合物 - PAHs).

主要方法:

研究了北方费诺斯坎迪亚的七个峡湾头,分析了菌组合和多环芳 (PAH) 度.
在盐沼和潮平原息地使用有效物种数量 (exp(H'bc)) 来计算聚合的类动物多样性.
使用EcoQS根据PAH度 (EcoQS_PAH) 和使用foraminiferal多样性 (EcoQS_foram) 的生态质量评估污染水平.

主要成果:

在研究的峡湾头上,PAH度表明污染水平较低 (EcoQS_PAH:优秀到中等).
特定的类动物物种在不同的区域占主导地位:沼泽中的Jadammina/Balticammina,潮平面中的Elphidium spp./Buccella frigida,以及两者中的Ovammina opaca.
没有发现foraminiferal测试异常和PAH水平之间的相关性.
EcoQS_foram (优秀到良好的) 紧密匹配EcoQS_PAH,验证了聚合多样性方法.

结论:

聚合的类动物多样性是评估海洋潮区生态质量的可靠和有效指标.
这种方法克服了传统评估中低多样性和耐压物种的局限性.
类动物的多样性是潮间生态系统环境状况的强有力的指标,与污染数据相对应.

关键词:

巴伦茨海巴伦茨海这是EcoQS的EcoQS.动物多样性指数动物多样性指数这些PAH是PAH.盐沼和潮平面的盐沼和潮平面的异常情况.

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