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Seasonality of group size and group composition in Sand Partridges (Ammoperdix heyi heyi).

Wronski, T (2012) Seasonality of group size and group composition in Sand Partridges (Ammoperdix heyi heyi). Turkish Journal of Zoology, 36 (2). pp. 223-229. ISSN 1300-0179

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Abstract

The seasonality of group size and composition in sand partridges was studied at the Ibex Reserve in central Saudi Arabia. Mean group size and fl ock encounter rate were signifi cantly related to rainfall and temperature. During winter and the breeding season (March to April), the encounter rate on the valley fl oors was distinctly lower than that observed during summer. Although encounter rates did not diff er signifi cantly between valleys, sand partridges were more likely to be encountered in narrow, stony valleys. Correcting for valley width, encounter rates did not diff er between valleys. Male and female encounter rates were constant throughout the reserve, indicating a constant sex ratio throughout the year. Results are in line with earlier fi ndings reported from more northern habitats such as the Eilat Mountains (Israel) and the Rum Wildlife Reserve (Jordan). Human disturbance in parts of the reserve is high and may have an impact on group size and composition.

Item Type: Article
Uncontrolled Keywords: 0608 Zoology
Subjects: Q Science > QL Zoology
Divisions: Natural Sciences and Psychology
Publisher: Scientific and Technical Research Council of Turkey
Date Deposited: 04 Aug 2017 09:48
Last Modified: 04 Aug 2017 09:48
DOI or Identification number: 10.3906/zoo-1008-5
URI: http://researchonline.ljmu.ac.uk/id/eprint/6880

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