• Title/Summary/Keyword: Rodentia

Search Result 38, Processing Time 0.025 seconds

The dorsal guard hair identification key of Korean small mammals (Rodentia and Lagomorpha)

  • Yung Kun Kim;Junghwa An;Eunok Lee
    • Korean Journal of Environmental Biology
    • /
    • v.40 no.2
    • /
    • pp.157-163
    • /
    • 2022
  • We analyzed the hair microstructure of Korean small terrestrial mammals, such as Rodentia and Lagomorpha, to classify the characteristics of hair morphology. Micromys minutus showed a unicellular irregular type of medulla structures; on the other hand, the other mammals showed multicellular structures. Regarding the cuticular scale structures, the Rodentia species exhibited a narrow and broad diamond petal type, while the Lagomorpha species exhibited an elongated petal type. Interestingly, the hair cross-sections showed quite unique characteristics. We constructed hair identification keys to distinguish species with a single hair. The dichotomous key of Rodentia and Lagomorpha can be used for their behavioral ecology and dietary analysis of upper predators to serve as the basis for ecological research.

Geographic Variation of Morphometric Charactera among Three Subspecies of Striped Field Mice, Apodemus agrarius Pallas (Muridae, Rodentia), from Korea (한국산 등줄쥐, Apodemus agrarius Pallas (Muridae, Rodentia), 3아종에 있어서의 형태적 형질들의 지리적 변이)

  • Koh, Hung-Sun
    • The Korean Journal of Zoology
    • /
    • v.29 no.4
    • /
    • pp.272-282
    • /
    • 1986
  • Univariate and multivariate analyses of morphometric characters were performed with samples of three subspecies of striped field mice (Apodemus agrarius coreae, A. agrarius pallescens, and A. agrarius chejuensis). It was found that the samples of A. agrarius chejuensis from Jeju-Do were distintc from those of the other two subspecies from the Korean peninsular, whereas subspecies coreae was similar to subspecies pallescens: it is concluded that A. agrarius pallescens is a synonym of A. agrarius coreae. Further analyses will be needed to clearify the subspecific status of A. agrarius chejuensis.

  • PDF

Systematic Studies of Korean Rodents : II. A Chromosome Analysis in Korean Field Mice, Apodemus peninsulae peninsulae Thomas (Muridae, Rodentia), From Mungyong, with the Comparison of Morphometric Characters of these Korean Field Mice to Symptric Striped Field Mice, A. agrarius coreaee Thomas (한국산 설치류의 계통분류학적 연구 : II. 문경산 흰 넓적다리 붉은쥐, Apodemus peninsulae peninsulae Thomas, 의 염색체 분석 및 문경산 등줄쥐, odemus Apagrarius coreae 와의 형태적 형질의 비교분석)

  • 고흥선
    • Animal Systematics, Evolution and Diversity
    • /
    • v.2 no.1
    • /
    • pp.1-10
    • /
    • 1986
  • 문경산 흰 넓적다리 붉은 쥐, Apodemus peninsulae peninsulae, 의 염색체 핵형 분석과 단변량 및 다변량분석방법들을 사용한 등줄쥐, Apodemus agrarius coreae, 와의 형태적 형질의 비교를 하였다. 흰 넓적다리 붉은 쥐의 염색체수는 2n=50-54R지 수적 변이를 보였다. 차단부 염색체의 수는 48개로 개체간에 일정하였으나 , 중부 염색체의 수는 2-6개의 변이가 나타났다. 형태적 형질의 분석결과는 등줄쥐보다 흰 넓적다리 붉은 쥐가 크다고 판정되었으며 가장 구별이 잘 되는 경구개의 길이였다.

  • PDF