Seasonal Variations in Invertebrates Sheltered among Corallina officinalis (Plantae, Rodophyta) Turfs along the Southern Istrian Coast (Croatia, Adriatic Sea)

IF 2.1 3区生物学 Q2 BIODIVERSITY CONSERVATION

Diversity-Basel Pub Date : 2023-10-22 DOI:10.3390/d15101099

Moira Buršić, Andrej Jaklin, Milvana Arko Pijevac, Branka Bruvo Mađarić, Lucija Neal, Emina Pustijanac, Petra Burić, Neven Iveša, Paolo Paliaga, Ljiljana Iveša

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引用次数: 0

Abstract

Available research on invertebrates in Corallina officinalis settlements shows a high level of biodiversity due to a complex habitat structure. Our aim was to examine seasonal changes in the invertebrate population, considering the algae’s growth patterns. Nine locations with over 90% algal coverage were selected in southern Istria, where quantitative sampling was performed using six replicates of 5 × 5 cm quadrats in each location. Results showed that 29,711 invertebrates were found during winter (maximum algae growth) and 22,292 during summer (minimum algae growth), with an extrapolated average density of 220,000 and 165,200 individuals per square meter, respectively. The total number of individuals showed a linear increase as the algae biomass increased. The highest density, 586,000 individuals, was recorded in the Premantura area during winter. Dominant groups such as amphipods, polychaetes, bivalves and gastropods made up over 80% of the invertebrates. Our study confirms high invertebrate richness in the C. officinalis settlements, with the maximum density being the highest when compared to previously published data.

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沿南伊斯特拉海岸(克罗地亚，亚得里亚海)，在珊瑚(植物，蕨科)草皮中庇护的无脊椎动物的季节变化

对珊瑚群落无脊椎动物的现有研究表明，由于生境结构复杂，珊瑚群落具有较高的生物多样性。我们的目的是研究无脊椎动物种群的季节变化，考虑到藻类的生长模式。在伊斯特拉岛南部选择9个藻类覆盖率超过90%的地点，在每个地点使用6个5 × 5 cm的样方进行定量采样。结果表明:冬季无脊椎动物数量为29711只，夏季无脊椎动物数量为22292只，平均密度分别为22万和16.52万只/ m2;随着藻类生物量的增加，总个体数呈线性增加。在冬季，Premantura地区的密度最高，为58.6万只。优势类群如片足类、多毛类、双壳类和腹足类占无脊椎动物的80%以上。我们的研究证实了officinalis聚落具有较高的无脊椎动物丰富度，与先前发表的数据相比，最大密度是最高的。

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

Diversity-Basel Environmental Science-Ecological Modeling

CiteScore

3.40

自引率

12.50%

发文量

925

审稿时长

11 weeks

期刊介绍： Diversity (ISSN 1424-2818) is an international and interdisciplinary journal of science concerning diversity concept and application, diversity assessment and diversity preservation. It is focused on organismic and molecular diversity. It publishes reviews, regular research papers and short notes in the regular issues. Related news and announcements are also published. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. Therefore, there is no restriction on the length of the papers. Full experimental details must be provided so that the results can be reproduced.