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首页> 外文期刊>Marine Biodiversity >Structure and composition of surgeonfish (Acanthuridae) and parrotfish (Labridae: Scarinae) assemblages in the south of the Parque Nacional Arrecife Alacranes, southern Gulf of Mexico
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Structure and composition of surgeonfish (Acanthuridae) and parrotfish (Labridae: Scarinae) assemblages in the south of the Parque Nacional Arrecife Alacranes, southern Gulf of Mexico

机译：墨西哥南湾南部的南部南部的外科鱼（Acanthuridae）和鹦鹉鱼（攀纹：Scarinae）组合的结构和组成

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摘要

Herbivorous fish play an important role in structuring benthic communities by influencing the distribution and composition of algal assemblages in coral reef systems. The distribution of herbivorous fish is often driven by the interaction between the ecological and physiological capacities of the fish, as well as by physical attributes related to habitat characteristics. In Mexico, information on the condition of herbivorous fish populations is limited to fringing reefs in the Mexican Caribbean. This study evaluated the composition and structure of the surgeonfish and parrotfish at two depths on the leeward and windward sides of the reef in the south of the Parque Nacional Arrecife Alacranes, Southern Gulf of Mexico. Results revealed a robust and healthy herbivorous fish assemblage in terms of species richness, with high abundance and sizes up to 40% larger than the species reported in the Caribbean. The herbivorous fish abundance and biomass distribution were related to coral, bare substratum, coralline algae, turf, and rugosity. However, other physical or abiotic variables (e.g., wave intensity, sedimentation, and light penetration) could be playing an important complementary role of similar or greater importance, and could potentially influence the distribution of the herbivorous fish abundance and biomass. This study contributes to the knowledge of the composition and structure of the herbivorous fish assemblages in a reef system (Alacranes reef) with limited human access.
机译：食草鱼在通过影响珊瑚礁系统中的藻类组合的分布和组成来说，在构建底栖社区方面发挥着重要作用。食草鱼的分布通常由鱼类生态和生理能力之间的相互作用驱动，以及与栖息地特征有关的物理属性。在墨西哥，有关食药种群状况的信息仅限于墨西哥加勒比地区的珊瑚礁。本研究评估了在墨西哥南部的礁石南部的礁石的背风和迎风侧的两个深度的外科鱼和鹦嘴的组成和结构。结果揭示了物种丰富性的强大健康的食草性鱼组合，高丰度和大小高于加勒比地区报告的物种的40％。食状鱼类丰度和生物质分布与珊瑚，裸碱，珊瑚藻，草皮和粗糙度有关。然而，其他物理或非生物变量（例如，波浪强度，沉降和光渗透）可能正在发挥相似或更重要的重要互补作用，并且可能影响食草丰度和生物量的分布。该研究有助于了解珊瑚礁系统（阿卡氨酸礁）的食草鱼组合物的组合物和结构，其具有有限的人类访问。

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