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Effect of waterfalls and the flood pulse on the structure of fish assemblages of the middle Xingu River in the eastern Amazon basin

Overview of attention for article published in Brazilian Journal of Biology, August 2015
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Title
Effect of waterfalls and the flood pulse on the structure of fish assemblages of the middle Xingu River in the eastern Amazon basin
Published in
Brazilian Journal of Biology, August 2015
DOI 10.1590/1519-6984.00214bm
Pubmed ID
Authors

TAP Barbosa, NL Benone, TOR Begot, A Gonçalves, L Sousa, T Giarrizzo, L Juen, LFA Montag

Abstract

The structure of fish assemblages in Neotropical rivers is influenced by a series of environmental, spatial and/or temporal factors, given that different species will occupy the habitats that present the most favourable conditions to their survival. The present study aims to identify the principal factors responsible for the structuring of the fish assemblages found in the middle Xingu River, examining the influence of environmental, spatial, and temporal factors, in addition to the presence of natural barriers (waterfalls). For this, data were collected every three months between July 2012 and April 2013, using gillnets of different sizes and meshes. In addition to biotic data, 17 environmental variables were measured. A total of 8,485 fish specimens were collected during the study, representing 188 species. Total dissolved solids, conductivity, total suspended matter, and dissolved oxygen concentrations were the variables that had the greatest influence on the characteristics of the fish fauna of the middle Xingu. Only the barriers and hydrological periods played a significant deterministic role, resulting in both longitudinal and lateral gradients. This emphasizes the role of the connectivity of the different habitats found within the study area in the structuring of its fish assemblages.

Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 55 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 55 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 2 4%
Researcher 2 4%
Student > Master 2 4%
Other 1 2%
Unknown 48 87%
Readers by discipline Count As %
Agricultural and Biological Sciences 3 5%
Environmental Science 2 4%
Social Sciences 1 2%
Unknown 49 89%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 30 January 2016.
All research outputs
#23,319,379
of 25,986,827 outputs
Outputs from Brazilian Journal of Biology
#11
of 13 outputs
Outputs of similar age
#237,837
of 277,646 outputs
Outputs of similar age from Brazilian Journal of Biology
#3
of 3 outputs
Altmetric has tracked 25,986,827 research outputs across all sources so far. This one is in the 1st percentile – i.e., 1% of other outputs scored the same or lower than it.
So far Altmetric has tracked 13 research outputs from this source. They receive a mean Attention Score of 0.8. This one scored the same or higher as 2 of them.
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