Seasonal variation of the wildlife fauna run over on the road MG 354, Southern Minas Gerais – Brazil

The aim of this work was to evaluate the seasonal variation of wildlife animals run over on 13km of the road MG 354, Southern Minas Gerais, Brazil. Thirty-six monitorings were carried out for one year using a bicycle (20km/h) to sample amphibians, reptiles, birds, and mammals run over. We categorize...

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Main Authors: Alex Bager, Clarissa Alves da Rosa, André Luis Pracucci Gomes dos Santos
Format: Article
Language:English
Published: Universidade Federal de Santa Catarina 2012-03-01
Series:Biotemas
Subjects:
Online Access:http://www.biotemas.ufsc.br/volumes/pdf/volume251/73a79.pdf
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author Alex Bager
Clarissa Alves da Rosa
André Luis Pracucci Gomes dos Santos
author_facet Alex Bager
Clarissa Alves da Rosa
André Luis Pracucci Gomes dos Santos
author_sort Alex Bager
collection DOAJ
description The aim of this work was to evaluate the seasonal variation of wildlife animals run over on 13km of the road MG 354, Southern Minas Gerais, Brazil. Thirty-six monitorings were carried out for one year using a bicycle (20km/h) to sample amphibians, reptiles, birds, and mammals run over. We categorized individuals with more and less than 500g to estimate the impacts of running over with regard to the size of the animals and evaluated the seasonal variation in the running over rates (individuals/km/day). The smaller animals were the prevalent ones in our samplings, with 87% of the run over animals weighting less than 500g. We believe that the low speed of monitoring used in our work has increased the detection rate of smaller animals; however, this hypothesis needs to be tested. The season with higher running over rates was Summer, which differed significantly from Spring, mainly because of the increase in reptiles run over in Summer. We observed the following sequence in the running over rates: Summer > Fall > Winter > Spring. We believe that the rainfall regimes in our study area are responsible for the seasonal variation of running over.
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spelling doaj.art-c4929105bb8440e892a1dd09c6e443452022-12-21T18:11:22ZengUniversidade Federal de Santa CatarinaBiotemas0103-16432012-03-012517379Seasonal variation of the wildlife fauna run over on the road MG 354, Southern Minas Gerais – BrazilAlex BagerClarissa Alves da RosaAndré Luis Pracucci Gomes dos SantosThe aim of this work was to evaluate the seasonal variation of wildlife animals run over on 13km of the road MG 354, Southern Minas Gerais, Brazil. Thirty-six monitorings were carried out for one year using a bicycle (20km/h) to sample amphibians, reptiles, birds, and mammals run over. We categorized individuals with more and less than 500g to estimate the impacts of running over with regard to the size of the animals and evaluated the seasonal variation in the running over rates (individuals/km/day). The smaller animals were the prevalent ones in our samplings, with 87% of the run over animals weighting less than 500g. We believe that the low speed of monitoring used in our work has increased the detection rate of smaller animals; however, this hypothesis needs to be tested. The season with higher running over rates was Summer, which differed significantly from Spring, mainly because of the increase in reptiles run over in Summer. We observed the following sequence in the running over rates: Summer > Fall > Winter > Spring. We believe that the rainfall regimes in our study area are responsible for the seasonal variation of running over.http://www.biotemas.ufsc.br/volumes/pdf/volume251/73a79.pdfRoad ecologyRoadkill rateSeasonalityVertebrates
spellingShingle Alex Bager
Clarissa Alves da Rosa
André Luis Pracucci Gomes dos Santos
Seasonal variation of the wildlife fauna run over on the road MG 354, Southern Minas Gerais – Brazil
Biotemas
Road ecology
Roadkill rate
Seasonality
Vertebrates
title Seasonal variation of the wildlife fauna run over on the road MG 354, Southern Minas Gerais – Brazil
title_full Seasonal variation of the wildlife fauna run over on the road MG 354, Southern Minas Gerais – Brazil
title_fullStr Seasonal variation of the wildlife fauna run over on the road MG 354, Southern Minas Gerais – Brazil
title_full_unstemmed Seasonal variation of the wildlife fauna run over on the road MG 354, Southern Minas Gerais – Brazil
title_short Seasonal variation of the wildlife fauna run over on the road MG 354, Southern Minas Gerais – Brazil
title_sort seasonal variation of the wildlife fauna run over on the road mg 354 southern minas gerais brazil
topic Road ecology
Roadkill rate
Seasonality
Vertebrates
url http://www.biotemas.ufsc.br/volumes/pdf/volume251/73a79.pdf
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