• Title/Summary/Keyword: Apodemus

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Population dymamics of apodemus agrarius inhabiting in the vicinity of new urbanizing at pundang area (盆唐 新市街地 開發에 따른 周邊地域 野鼠類의 生態)

  • Lee, Hai-Poong;Sang-Hun Kim;Meung-Hai Kim;Chong-Ⅱ Lee
    • The Korean Journal of Ecology
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    • v.15 no.2
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    • pp.201-208
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    • 1992

  • Wild rats inhabiting pundang area where urbanized since 1989 were there species including apodemus agrarius. amoung them, a. agrarius was dominant as shown in other areas of korea. They were captured much more 85.00$\pm$9.46 per ha., 64.40$\pm$7.50 per ha. respectively in may and August than inother seasons all through the year. The proportion of female and male was in the ratio of 2 to 1 regardless of the season and habitat, and this species was inhabiting more at oak forest community in summer and at hill-upland boundary in winter than at other habitats in the same season. The change of environment by new urbanizing did not affect in density of wild rats. In general, seasonal percentage of capture in different habitats inceased in accordance with high density.

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Chromosomal band pattern of black-striped field mouse (Apodemus agrarius) (한국 야생 등줄쥐의 고해상도 염색체분염상)

  • Oh, Seung-hyun;Yoon, Yeo-sung;Jin, Hee-Kyung;Seong, Je-kyung
    • Korean Journal of Veterinary Research
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    • v.44 no.2
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    • pp.159-162
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    • 2004

  • We investigated the cytogenetic characteristics of male black-striped field mouse (Apodemus agrarium) in Korea. Chromosome slides were obtained from blood cell cultures which were synchronized with thymidine blocking or not. In the chromosome slide which synchronization with thymidine blocking was employed on, the GTG(G bands by trypsin using Giemsa)-bands of high resolution were observed. The male black-striped field mouse has 48 chromosomes composed 46 autosomes and XY sex chromosomes. The centromeric regions of autosomes were positive to GTG-banding. According to this investigation, thymidine blocking in cell culture process was useful to get lengthened chromosomes. It may be necessary to employ RBG-banding technique to investigate complementary band patterns between R- and G-banding in black-striped field mouse.

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Morphometric Variation of Six Subspecies of Striped Field Mouse, Apodemus agrarius Pallas(Mammalia, Rodentia), from China and Korea

  • Koh, Hung-Sun;Kim, Young-Ki;Lee, Woo-Jai;Wang, Jinxing;Lu, Haoquan
    • Animal cells and systems
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    • v.1 no.1
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    • pp.25-29
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    • 1997

  • Four external and 27 cranial characters of striped field mice (Apodemus agrarius) from 16 regions in China and Korea, representing six subspecies, were analyzed by multivariate methods. Three subgroups were recognized: the large-size form from Cheju island, Korea (subspecies chejuensis), the middle-size form from the Korean peninsula (subspecies coreae), and the small-size form from China (subspecies manchuricus, pallidior, ningpoensis, insulaemus). It was confirmed that four subspecies of striped field mouse from China can be classified into subspecies ningpoensis, as noted by Corbet (1978), and that subspecies coreae and chjuensis are distinct subspecies, as stated by Jones and Johnson (1965). In the future, morphometric analyses with striped field mice from Europe and Russia will be necessary to confirm subspecies classification of A. agrarius agrarius.

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Relationship between the Abnormalities of the Reproductive Organ and the Accumulation of the Environmental Disruptors in the Striped Field Mouse, Apodemus agrarius (등줄쥐의 생식계 이상과 내분비계장애물질 축적과의 관련에 대하여)

  • Yoon Myung Hee
    • Proceedings of the Korea Society of Environmental Biology Conference
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    • 2003.11a
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    • pp.38-47
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    • 2003

  • Relationships between accumulations of endocrine disruptors and abnormalities in the reproductive organs in the adult male striped field mice, Apodemus agrarius, were reviewed. High levels of phenolic compounds were detected in the mice collected at an agricultural village in Gaduck island and at a place having a sewage problem in Samdong-myeon, Namhae. High levels of organo tin compounds were found in the mice collected at Jiri Mt. a tourist resort. Considerably high levels of phenolic or organo tin compounds were detected in mice with shrunken reproductive organs accounting for 14∼42% of the mice examined in each area, which suggests that the abnormality of reproductive organs may be induced by the endocrine disruptors. This hypothesis is strongly supported by histological observations of shrunken reproductive organs, such as necrosis of testicular germ and epithelial cells. This was found not only in the mice with shrunken reproductive organs but also in the mice with enlarged reproductive organs, both had accumulated high levels of endocrine disruptors in general.

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