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Distribution, composition and seasonality of aquatic birds in the Nhecolândia sub-region of South Pantanal, Brazil

Overview of attention for article published in Brazilian Journal of Biology, November 2014
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Title
Distribution, composition and seasonality of aquatic birds in the Nhecolândia sub-region of South Pantanal, Brazil
Published in
Brazilian Journal of Biology, November 2014
DOI 10.1590/1519-6984.05013
Pubmed ID
Authors

RJ Donatelli, SR Posso, MCB Toledo

Abstract

Despite remarkable significance of Pantanal for the conservation of aquatic birds, the status of their populations, the spatiotemporal patterns of distribution and habitat use and structure of communities are little known. Thus, we studied three aquatic environments (Negro river, bays and salines) from 2007 to 2009 in the Nhecolândia Pantanal to verify the distribution and composition of aquatic birds and also if there is significant seasonal influence on these aspects. We adopted the transect method (288 hours of sampling) and recorded 135 species (7.834 individuals). The Negro river showed the highest diversity, while the salines the lowest. The similarity of aquatic bird communities was higher between bays and salines, followed by Negro river and bays and lower between salines and Negro river. The equidistribution is more variable in the salines and more stable in the Negro river. The environments strongly differ from each other in aquatic bird composition in space (habitat use and distribution) and time (seasonal water fluctuations). The diversity of bird community in the dry season varies significantly in the salines, followed by the bays and more stable in the Negro river. The Negro river, regardless of large annual amplitude of flow, is more seasonally stable since its riparian vegetation is continuous (not isolated) and constant. These aspects provide better conditions to stay all year, contributing to decrease the seasonal nomadic tendencies of aquatic birds. Finally, all these data provide strong arguments to the preservation of all phytophysiognomies in the Nhecolândia sub- region of Pantanal, but with special attention to the salines widely used by many flocks of aquatic birds (mainly in the dry season) and migrant and/or rare species restricted to this habitat.

Twitter Demographics

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Mendeley readers

The data shown below were compiled from readership statistics for 27 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 27 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 1 4%
Unknown 26 96%
Readers by discipline Count As %
Agricultural and Biological Sciences 1 4%
Unknown 26 96%

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 12 February 2015.
All research outputs
#3,978,154
of 4,751,697 outputs
Outputs from Brazilian Journal of Biology
#71
of 104 outputs
Outputs of similar age
#137,186
of 170,075 outputs
Outputs of similar age from Brazilian Journal of Biology
#3
of 3 outputs
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