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1. Genetic Variation and Population Structure of the Sable Martes zibellina on Eastern Hokkaido, Japan, Revealed by Microsatellite Analysis

Author:
Nagai Tomoko; Murakami Takahiro; Masuda Ryuichi
Source:
Mammal study 2012 v.37 no.4 pp. 323-330
ISSN:
1343-4152
Subject:
Martes; genetic variation; genotype; lakes; microsatellite repeats; mountains; population structure; rivers; Japan; Russia
Abstract:
... To assess the genetic variation and population structure of the sable Martes zibellina on eastern Hokkaido, Japan, we analyzed genotypes of 12 microsatellite loci on 48 individuals. Genotypes for all individuals examined were found to be different from each other. Mean observed and expected heterozygosites and allelic richness were calculated to be 0.52 (0.02–0.80), 0.58 (0.02– 0.79) and 5.49, res ...
DOI:
10.3106/041.037.0406

2. Population Genetic Structure of the Japanese Large-Footed Bat (Myotis macrodactylus) Along Three Rivers on Hokkaido Island, Northern Japan

Author:
Kobayashi Fumiya; Fukui Dai; Kojima Eisuke; Masuda Ryuichi
Source:
Mammal study 2012 v.37 no.3 pp. 227-235
ISSN:
1343-4152
Subject:
Myotis; cytochrome b; habitats; haplotypes; insectivores; mitochondrial DNA; mountains; phylogeography; population structure; principal component analysis; rivers; Japan
Abstract:
... Rivers are habitats favored by insectivorous bats. The Japanese large-footed bat (Myotis macrodactylus) is one of such species strongly associated with rivers. To clarify the population structure and migration pattern of M. macrodactylus, mitochondrial DNA (mtDNA) phylogeography was investigated in 15 subpopulations along three rivers (Tokachi, Ishikari and Teshio Rivers) on Hokkaido Island, north ...
DOI:
10.3106/041.037.0306

3. Latitudinal Geographical Variation of External and Cranial Measurements in Apodemus peninsulae, A. draco, and A. latronum

Author:
Kaneko Yukibumi
Source:
Mammal study 2015 v.40 no.3 pp. 143-165
ISSN:
1343-4152
Subject:
Apodemus; feet; geographical variation; head; islands; latitude; rivers; sexual maturity; skull; tail; China; Japan; Myanmar; Siberia
Abstract:
... Averages of external and cranial measurements were correlated with latitudes in Apodemus peninsulae, A. draco, and A. latronum in East Asia and Siberia. A total of 852 sexually mature specimens of 24–44 local populations were grouped into 5–11 regions by countries, provinces of China, running directions of big rivers in south-western China and Myanmar, or islands. In A. peninsulae, significant pos ...
DOI:
10.3106/041.040.0303

4. How Does the Japanese Water Shrew Chimarrogale platycephalus Cross the Concrete Walls of Check Dams?

Author:
Hiroaki Saito; Hiroshi Hashimoto; Teruaki Hino; Masaharu Motokawa
Source:
Mammal study 2019 v.44 no.1 pp. 1-11
ISSN:
1348-6160
Subject:
concrete; dams (hydrology); rivers; sediments; shrews; streams; surveys; Japan
Abstract:
... The concrete walls of check dams are considered a physical barrier for aquatic and semiaquatic animals that inhabit mountain streams. Traveling behaviors around concrete check dams by the Japanese water shrew Chimarrogale platycephalus, a semi-aquatic mammal, were directly observed via radio-tracking in Kamikoshi Stream in central Honshu, Japan. Traveling behaviors were mainly observed on the wet ...
DOI:
10.3106/ms2017-0056