科研之友
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摘要
The neighbour relationships of territorial male and female M. spicilegus were examined in summer in the field in order to clarify their role in spatial behaviouur of individuals in this period. The field research was held in an agricultural field in Northern Bulgaria. The Capture-Mark-Recapture method was used. Neighbour relationships between territorial mound-building mice in the habitat were studied in intraspecific male-male and female-female dyadic encounters. Each mouse was tested with at least two others, but captured at a different distance. Several indices of spacing behaviouur such as recapture rate, distance of recaptures, spatial associations and home ranges were analysed as well. Results indicated that females had higher recapture rate and higher frequency of recaptures than males, but males had longer distance of recaptures. Males responded significantly less aggressively to their immediate neighbours than to more distant ones. In contrast with males, females tended to be more aggressive to their immediate neighbours than to more distant ones, and their home ranges were separated. The reasons for the displayed behaviouur of male and female M. spicilegus are discussed.
- 出版日期2012-6
