globalchange  > 过去全球变化的重建
DOI: 10.3897/zoologia.36.e24191
WOS记录号: WOS:000469273300001
论文题名:
An assessment of the factors determining rotifer assemblage in river-lake systems: the effects of seasonality and habitat
作者: Serafim-Junior, Moacyr1; Perbiche-Neves, Gilmar2; Lansac-Toha, Fabio A.3
通讯作者: Perbiche-Neves, Gilmar
刊名: ZOOLOGIA
ISSN: 1984-4689
出版年: 2019
卷: 36
语种: 英语
英文关键词: Ecology ; limnology ; Rotifera ; Upper Parana River floodplain
WOS关键词: PARANA RIVER ; ZOOPLANKTON COMMUNITIES ; PLANKTONIC ROTIFERS ; SPATIAL STRUCTURE ; SPECIES RICHNESS ; FLOODPLAIN ; ABUNDANCE ; ENVIRONMENTS ; DIVERSITY ; MACROPHYTES
WOS学科分类: Zoology
WOS研究方向: Zoology
英文摘要:

Zooplankton exhibit several trends of variation in space and time, and these trends can be more evident in natural environments without anthropic perturbations. Examples of anthropic factors are climate change, eutrophication and construction of reservoirs. This study evaluated the influence of three factors - seasonality, type of environment and the presence of aquatic macrophytes - on various ecological attributes of rotifers in a river-lake system located in the Parana River floodplain. Monthly samplings were conducted during 1993 and 1994. The mean species richness per sample was 60 species. The seasonality and the type of environment influenced the ecological attributes of rotifer assemblages, while the presence or absence of aquatic macrophytes did not. Species richness was highest in the lake system and during the months when water levels were low. Multivariate analysis indicates a small group of species associated with the low water-level phase. In contrast, many species were associated with high water levels or increasing water levels. The seasonal variation of hydrological cycle and the type of environment are the most important factors for rotifer structure in natural conditions.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/138647
Appears in Collections:过去全球变化的重建

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作者单位: 1.Univ Fed Recancavo Bahia, Ctr Ciendas Agr Ambientais & Biol, Rua Rui Barbosa 710,Campus Univ, BR-44380000 Cruz Das Almas, BA, Brazil
2.Univ Fed Sao Carlos, Dept Hidrobiol, Rodovia Washington Luis,Km 235,Caixa Postal 676, BR-13565905 Sao Carlos, SP, Brazil
3.Univ Estadual Maringa, Nupelia, Programa Posgrad Ecol Ambientes Aquat Continenta, Ave Colombo 5790, BR-87020900 Maringa, Parana, Brazil

Recommended Citation:
Serafim-Junior, Moacyr,Perbiche-Neves, Gilmar,Lansac-Toha, Fabio A.. An assessment of the factors determining rotifer assemblage in river-lake systems: the effects of seasonality and habitat[J]. ZOOLOGIA,2019-01-01,36
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