Population Estimate, Group Size and Age Structure of the Gelada Baboon (Theropithecus gelada) around Debre-Libanos, Northwest Shewa Zone, Ethiopia

Population Estimate, Group Size and Age Structure of the Gelada Baboon (Theropithecus gelada) around Debre-Libanos, Northwest Shewa Zone, Ethiopia

Kassahun Abie

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Afework Bekele

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Wolkite University

Population Estimate, Group Size and Age Structure of the Gelada Baboon (Theropithecus gelada) around Debre-Libanos, Northwest Shewa Zone, Ethiopia

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Abstract

Most of the gelada baboon’s population which is endemic to Ethiopia exists on the gorges and mountain cliffs of the country including Debre-Libanos. The objective of the study was to estimate the total gelada baboons, and determine their group size and age structure. This was investigated based on direct field observation method from August 2012 to March 2013. The study area was divided into seven counting blocks (Shinkurt Mikael, Chagel, Amanuel, Abba Dinkona, Wusha Gedel, Tekle Haimanot, and Set Debre). Data were analyzed using descriptive statistics. Chi-square test was used to compare the sex and age ration, and their distribution among the counting blocks. The population size of gelada baboons was determined from direct total count. The average number of gelada baboons counted was 1608. Of these, adult males comprised 162, adult females 576, sub-adult males 121, sub-adult females 231, young 307 and infants 212. There was a significant difference among the different age groups of the total individuals counted in the study area (χ2=1002.657, df=5, p

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

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Not applicable for this article.

How to Cite This Article

Kassahun Abie. 2017. \u201cPopulation Estimate, Group Size and Age Structure of the Gelada Baboon (Theropithecus gelada) around Debre-Libanos, Northwest Shewa Zone, Ethiopia\u201d. Global Journal of Science Frontier Research - C: Biological Science GJSFR-C Volume 17 (GJSFR Volume 17 Issue C1).

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GJSFR Volume 17 Issue C1

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Journal Specifications

Crossref Journal DOI 10.17406/GJSFR

Print ISSN 0975-5896

e-ISSN 2249-4626

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GJSFR-C Classification FOR Code: 060799

Submission ReceivedFebruary 10, 2017
Peer Review Double Blind
Handling Editor
Accepted March 6, 2017
Published March 21, 2017

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March 23, 2017

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Article Matrices

Total Score: 72

Country: Ethiopia

Subject: Global Journal of Science Frontier Research - C: Biological Science

Authors: Kassahun Abie, Afework Bekele (PhD/Dr. count: 0)

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Total Views: 3446

Total Downloads: 1848

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