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首页> 外文期刊>Bulletin of the European Association of Fish Pathologists >Associations Between Macroinvertebrates and Paralemanea mexicana, an Endemic Freshwater Red Alga from a Mountain River in Central Mexico
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Associations Between Macroinvertebrates and Paralemanea mexicana, an Endemic Freshwater Red Alga from a Mountain River in Central Mexico

机译：Macroinvertebrate和Parapemanea墨西哥之间的协会，来自墨西哥中部的山区河流的地方淡水红藻

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摘要

Macrophytes are common inhabitants of lotic environments and, depending on their morphological traits, possess adaptations that provide shelter to aquatic invertebrates against strong river flow and predators. They may also be used as a food source by macroinvertebrates. The main goal of this study was to determine the relationship between the red alga Paralemanea mexicana and its role as a shelter and/or food source for lotic macroinvertebrates. We also conducted research on the role of microhabitat and morphological variations of the alga in determining macroinvertebrate taxon abundance, diversity, and functional group composition in a high-current velocity river. Results showed that changes in cover and morphology of P. mexicana were mostly correlated with river current velocity, irradiance, and seasonal variation. In turn, these were related to changes in abundance and diversity of the associated macroinvertebrate community. In addition, six macroinvertebrate functional feeding groups were evaluated for associations with the red alga: filtering and gathering collectors, piercers, scrapers, herbivore shredders, and predators. The results showed that the Trichoptera Hydroptilidae genera Ochrotrichia and Metrichia use P. mexicana as a food source and case-building material. The Trichoptera Glossosomatidae Mortoniella uses the alga as a substrate. The biotic interactions between P. mexicana and associated macroinvertebrates reveal the importance of macrophytes as purveyors of substrate, as food and shelter for macroinvertebrates, and also as promoters of macroinvertebrate community diversity. In addition, it was shown that macroinvertebrate herbivory likely facilitates vegetative propagation of the red alga through increased release and germination of carpospores and new gametophytes.
机译：Macrophytes是巨大的荷兰环境的常见居民，具体取决于它们的形态特征，具有对强大的河流流量和捕食者提供水生无脊椎动物的适应性。它们也可以用大型脊椎障碍用作食物来源。本研究的主要目标是确定红藻帕拉巴兰墨西哥墨西哥墨西哥墨西哥墨西哥墨西哥州的关系及其作为豪宅的庇护和/或食物来源。我们还对在高电流速度河流中确定了藻类的微藻和形态变异和形态变异的作用研究。结果表明，墨西哥州P. Mexicana的封面和形态的变化主要与河流当前速度，辐照度和季节变异相关。反过来，这些与相关的大型椎骨群落的丰富和多样性的变化有关。此外，评估六种大型大型型功能喂养基团与红藻类的关联：过滤和收集收集器，穿孔器，刮板，食草动物碎纸机和捕食者。结果表明，Trichoptera Hydrodilidae属于Ochrotrichia和Metrichia使用P. Mexicana作为食品源和案例建筑材料。 Trichoptera glossoomatidae mortoniella使用藻类作为基材。 P. Mexicana和相关的大型蠕虫物之间的生物相互作用揭示了宏观物质作为基质的输送器，作为大型蠕虫物的食物和庇护所，也是大型幽默群落多样性的促销者。此外，表明，Macroinvertebrete草本病变可能通过增加释放和猪孢菌和新的配子体萌发来促进红藻的营养繁殖。

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