Arid
DOI10.4081/jlimnol.2017.1600
Modelling beta diversity of aquatic macroinvertebrates in High Andean wetlands
Nieto, Carolina1,2; Dos Santos, Daniel A.1,2; Izquierdo, Andrea E.2,3; Rodriguez, Jose S.1; Grau, Hector R.2,3
通讯作者Dos Santos, Daniel A.
来源期刊JOURNAL OF LIMNOLOGY
ISSN1129-5767
EISSN1723-8633
出版年2017
卷号76期号:3页码:555-570
英文摘要

Central Andean Highlands represent a singular environment characterized by various extreme conditions. Among them, peatbogs are exceptional marshy habitats scattered throughout this arid and harsh area. In an effort to understand the patterns of beta diversity, we sampled the benthic macroinvertebrates of thirteen peatbogs and related the biological distance with ecological distance using the GDM (Generalized Dissimilarity Modelling) approach. Variables analyzed were altitude, geographical distance, physical and chemical parameters of the water. A coefficient based on the ordering properties of count data, from the perspective of both sites and taxa, was used to measure the compositional similarity between samples. The most frequent taxa were: Hyallela, Simuliidae, Andesiops, Austrelmis, Podonominae, Protallagma, Trichocorixa, Orthocladiinae and Glossiphonidae. The highest altitudinal record ever for leeches is reported here. Altitude and conductivity contributed greatly to the single ecological predictor of beta diversity. Sampling points can be classified first by altitude (cutoff sets at 4200 m), which can be considered a surrogate of a regional factor (distinction between Puna and High Andean ecoregions) and then by conductivity (cutoff sets at 135 mu S cm(-1)), which can be considered a proxy of a local factor (distinction between hyperfresh and more mineralized habitats). These results suggest a system of ecological filters acting on them.


英文关键词Benthos dissimilarity Puna High Andes conductivity peatbogs
类型Article
语种英语
国家Argentina
收录类别SCI-E
WOS记录号WOS:000416222200010
WOS关键词HIGH-ALTITUDE STREAMS ; CHIRONOMIDAE DIPTERA ; SPECIES-RICHNESS ; BENTHIC MACROINVERTEBRATES ; ELEVATIONAL GRADIENT ; ECOLOGICAL FILTERS ; SIMILARITY MEASURE ; MOUNTAIN STREAMS ; ASSEMBLAGES ; ARGENTINA
WOS类目Limnology
WOS研究方向Marine & Freshwater Biology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/200636
作者单位1.CONICET UNT, IBN, Crisostomo Alvarez 722, RA-4000 San Miguel De Tucuman, Tucuman, Argentina;
2.Fac Ciencias Nat & IML, Miguel Lillo 205, RA-4000 San Miguel De Tucuman, Tucuman, Argentina;
3.CONICET UNT, IER, Horco Molle S-N, RA-4107 Yerba Buena, Tucuman, Argentina
推荐引用方式
GB/T 7714
Nieto, Carolina,Dos Santos, Daniel A.,Izquierdo, Andrea E.,et al. Modelling beta diversity of aquatic macroinvertebrates in High Andean wetlands[J],2017,76(3):555-570.
APA Nieto, Carolina,Dos Santos, Daniel A.,Izquierdo, Andrea E.,Rodriguez, Jose S.,&Grau, Hector R..(2017).Modelling beta diversity of aquatic macroinvertebrates in High Andean wetlands.JOURNAL OF LIMNOLOGY,76(3),555-570.
MLA Nieto, Carolina,et al."Modelling beta diversity of aquatic macroinvertebrates in High Andean wetlands".JOURNAL OF LIMNOLOGY 76.3(2017):555-570.
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