The influence of environmental variables on freshwater rotifers of the family Brachionidae and Lecanidae in Thailand

IF 0.7 4区生物学 Q4 ZOOLOGY

Tropical Zoology Pub Date : 2017-01-02 DOI:10.1080/03946975.2017.1278664

P. Sa-ardrit, P. Pholpunthin, H. Segers, D. Fontaneto

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引用次数: 4

Abstract

This study investigates the influence of limnological parameters that are known to influence rotifer species richness and composition in temperate areas on two families of monogonont rotifers in a tropical area. We analysed species richness and diversity of the two families from 133 samples taken from several habitat types in Thailand. Coordinates, elevation, pH, temperature, conductivity, salinity and dissolved oxygen were measured and their effect on rotifers assessed. A total of 60 species in 5 genera was recorded from the two families. Latitude and temperature had an effect on species richness of Brachionidae. None of the variables affected species richness of Lecanidae, except habitat type, albeit not significantly. Habitat type and conductivity had an effect on species composition of the two families, whereas latitude had an effect only on species composition of Lecanidae. Species richness and composition of the two rotifer families are well documented in Thailand and no or only few additional species are expected. The limnological correlates of rotifer diversity seem to be in part comparable to and in part different from those known from temperate areas, suggesting that there may be general trends in rotifer species richness and composition across different latitudes.

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环境变量对泰国淡水轮虫腕足科和蛭足科的影响

本研究探讨了温带地区影响轮虫物种丰富度和组成的湖泊参数对热带地区单纲轮虫两科的影响。我们从泰国不同生境类型的133个样本中分析了两个科的物种丰富度和多样性。测量坐标、海拔、pH、温度、电导率、盐度和溶解氧，并评估它们对轮虫的影响。在两科共记录到5属60种。纬度和温度对臂尾虫科物种丰富度有影响。除生境类型外，其他变量均不显著影响Lecanidae的物种丰富度。生境类型和电导率对两科的物种组成都有影响，而纬度只对蛭科的物种组成有影响。两个轮虫科的物种丰富度和组成在泰国有很好的记录，预计没有或只有很少的其他物种。轮虫多样性的湖沼学相关性似乎与温带地区已知的情况部分相当，部分不同，这表明不同纬度的轮虫物种丰富度和组成可能存在总体趋势。

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

Tropical Zoology 生物-动物学

CiteScore

2.50

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： Tropical Zoology is an international zoological journal publishing original papers in the field of systematics, biogeography, phylogeny, ecology and conservation of all terrestrial and aquatic animal Phyla from tropical and subtropical areas. Only papers with new information, high quality and broad interest are considered. Single species description and checklists are not normally accepted. Review papers are welcome. The journal is owned by the Istituto di Ricerca sugli Ecosistemi Terrestri of the Consiglio Nazionale delle Ricerche, Florence, Italy (CNR-IRET) who performs research into the structure and functioning of aquatic and terrestrial ecosystems, focusing in particular on anthropogenic pressure and global change. The knowledge amassed forms the scientific basis for identifying the most appropriate protective and corrective interventions, and provides support for the bodies entrusted with formulating policies for environmental protection and recovery.