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Gender and age structure as well as body weight of partridge (Perdix perdix L.) during periods of high and low population density in the Lublin Upland. Studies upon structure of gender and age as well as body weight of partridges were carried out in the Lublin Upland in 1988 and 2015, different in relation to the levels of these animals population density. These features were evaluated in 104 individuals...
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