Shinichi Watanabe, Nozomi Nakanishi, Masako Izawa,
The Iriomote cat Prionailurus iriomotensis occurs only on Iriomote Island in the Ryukyu Archipelago of southern Japan. The population ... the two species. The distribution of scats from Iriomote cats was associated with environmental factors such as ... animals, ten of which were also used by Iriomote cats. From 1997 to 2001, the number of observed scats from Iriomote cats declined significantly, while feral cat scat became more common. Feral cats on Iriomote Island still depend on humans, but the expansion ...
Tópico(s): Yersinia bacterium, plague, ectoparasites research
2003 - | Mammal Study
Momoko HIRATA, Morihiro Tateno, Masato SAKUMA, Nozomi Nakanishi, Masako Izawa, Yumiko Asari, Maki Okamura, Takako SHIMOKAWA MIYAMA, Asuka Setoguchi, Yasuyuki Endo,
An epidemiological survey of Iriomote cats (Prionailurus bengalensis iriomotensis) was conducted to understand the prevalence and molecular characteristics of hemotropic mycoplasma (hemoplasma). A series of ecological surveys of Iriomote cats were performed between November 2003 and September 2010. During this period, 31 Iriomote cats were captured or found, and 39 blood ... in the northern area of the island of Iriomote. Phylogenetic analyses revealed close relationships between Mhf and CMt isolated from Iriomote cats compared with those from domestic cats and ...
Tópico(s): Mosquito-borne diseases and control
2012 - Japanese Society of Veterinary Science | Journal of Veterinary Medical Science
Hitoshi Suzuki, Tetsuji Hosoda, Susumu Sakurai, Kimiyuki Tsuchiya, Isao Munechika, V. P. Korablev,
... using twelve restriction enzymes, to examine whether the Iriomote cat is related to the leopard cat (Felis ... basis of the arrangements of restriction sites. The Iriomote cat and the leopard cat share a common ... 2.5%. These results indicate that, phylogenetically, the Iriomote cat is closely related to the leopard cat ... the ancestral population moved from the continent to Iriomote Island quite recently. The rDNA arrays of the ... is much lower in the rDNA of the Iriomote cat. It appears that, even though migration of ...
Tópico(s): Genomics and Phylogenetic Studies
1994 - Genetics Society of Japan | The Japanese Journal of Genetics
Susumu Kuraishi, Kiyohide Kojima, Hiroshi Miyauchi, Naoki Sakurai, Hiroyuki Tsubota, Midori Ninaki, Itsuo Goto, Jiro SUGI,
... of mangroves occur along the Shiira River of Iriomote Island, Japan. Sonneratia a/ba is distributed around ... possessing certain physical and chemical properties specific to Iriomote Island. MANGROVE FORESTS DEVELOP AT TROPICAL and subtropical ... factors accounted for the growth of mangroves on Iriomote Island in the Nansei Islands. MATERIALS AND METHODS LOCATION AND SURVEY.-The Shiira River on Iriomote Island (24'19'N, 123?53'E) lies in southernmost Japan (Figs. 1 and 2). Iriomote Island has no dry season throughout the year ...
Tópico(s): Coastal wetland ecosystem dynamics
1985 - Wiley | Biotropica
... structure by comparing differences between two sites on Iriomote Island, and between Iriomote Island (subtropical) and Tsushima Island (temperate), in southwestern ... with treehole capacity. Between the two sites on Iriomote Island (Shirahama and Komi), the amount of litter, ... Treeholes on Tsushima were smaller than those on Iriomote. The metazoan fauna in treeholes consisted of 15 ... on Tsushima, being less richer than that on Iriomote Island which had 2 predators and 21 saprophages. ... differ significantly between the islands, although treeholes on Iriomote harbored a greater number of species per treehole ...
Tópico(s): Isotope Analysis in Ecology
1998 - Wiley | Population Ecology
Nozomi Nakanishi, F. Ichinose, Genwa Higa, Maki Izawa,
Abstract We estimated the age of Iriomote cats Prionailurus bengalensis iriomotensis by using their canine cementum annuli. By studying the month of death and staining condition of the outermost ... stained lines represent annual rings. Therefore, assuming that Iriomote cats are born in April, their age can ... also attempted to estimate the age of living Iriomote cats by examining the correlation between the level ... most effective index for age estimation of living Iriomote cats.
Tópico(s): Animal Ecology and Behavior Studies
2009 - Wiley | Journal of Zoology
Akinori Noguchi, Jun Hayashi, Koya Nakashima, Hideyuki Ikematsu, Miki Hirata, Seizaburo Kashiwagi,
... persons living on Hateruma Island (574 samples) and Iriomote Island (708 samples) in Okinawa, Japan. Serological markers ... Hateruma Island and in 1970 and 1980 on Iriomote Island. The samples collected in 1988 on Iriomote Island were also tested for antibody to hepatitis ... Island and 3·8 and 44·9 % for Iriomote Island. In both areas the overall prevalence of ... and the age groups under 39 years on Iriomote Island. The overall prevalence of anti-HAV had ...
Tópico(s): Viral gastroenteritis research and epidemiology
1991 - Elsevier BV | Journal of Infection
Masayuki Hayakawa, Hideki Yamamura, Yuuya Sakuraki, Yuumi Ishida, Moriyuki Hamada, Misa Otoguro, Tomohiko Tamura,
... Island) and a subtropical area (94 samples from Iriomote Island) of Japan was compared. Soil samples were ... genera, and 178 species, and 566 of the Iriomote isolates belonged to 21 families, 59 genera, and ... of the Rishiri isolates and that of the Iriomote isolates. However, there was little taxonomic overlap between the Rishiri isolates and the Iriomote isolates, as only 66 of the species occurred ... from other tropical areas were found among the Iriomote isolates but not among the Rishiri isolates. This ...
Tópico(s): Plant Pathogens and Fungal Diseases
2010 - | Actinomycetologica
Masako lZAWA, Noriaki Sakaguchi, Teruo Doi,
The Iriomote cat Felis iriomotensis is a small-sized felid species endemic to Iriomote Island, Japan. The population size of this cat ... that the population is stable but small. The Iriomote cat is categorized as “Endangered” on the Red ... threats to the small insular population of the Iriomote cat. The Japanese Government recently initiated some programs ...
Tópico(s): Yersinia bacterium, plague, ectoparasites research
2000 - | Tropics
Ryuichi Masuda, Michihiro C. Yoshida,
... based on mitochondrial DNA sequence analysis, that the Iriomote cat is very closely related to the leopard ... were determined and compared with those of the Iriomote cat and other feline species. The phylogenetic tree ... sequences indicated that the Tsushima cat and the Iriomote cat have the same mitochondrial DNA lineage as ... morphological characters to the Tsushima cat and the Iriomote cat, while these two Japanese wildcats are still ...
Tópico(s): Yersinia bacterium, plague, ectoparasites research
1995 - Zoological Society of Japan | ZOOLOGICAL SCIENCE
Krzysztof Schmidt, Nozomi Nakanishi, Maki Okamura, Teruo Doi, Masako Izawa,
Abstract Movement pattern of the Iriomote cat Prionailurus bengalensis iriomotensis was studied on Iriomote Island, Japan by radio‐tracking. The influence of sex and reproductive status of ... first and fifth day, respectively. Movement pattern of Iriomote cats showed no clear relation to active defence ...
Tópico(s): Animal Ecology and Behavior Studies
2003 - Wiley | Journal of Zoology
Y. HIRAI, Toshiharu Akino, Sadao Wakamura, Norio Arakaki,
... four island populations of Miyako, Irabu, Ishigaki, and Iriomote Islands in Okinawa Prefecture, Japan. Males of the ... in size than those of the Ishigaki and Iriomote populations, although these differences were not significant within ... The compositions were almost identical between Ishigaki and Iriomote and between Miyako and Irabu, but differed between ... Irabu are different from those on Ishigaki and Iriomote.
Tópico(s): Entomopathogenic Microorganisms in Pest Control
2008 - Springer Science+Business Media | Applied Entomology and Zoology
Masanori Kondo, Masahito T. Kimura,
... Ryukyu archipelago, and compared with the fauna of Iriomote‐jima located near the south‐western end of ... was 37, much fewer than that recorded from Iriomote‐jima (95 species). The number of subtropical species ... sources of subtropical species (e.g. Taiwan) than Iriomote‐jima and/or to winter temperature on Kume‐ ...
Tópico(s): Yeasts and Rust Fungi Studies
2008 - Wiley | Entomological Science
Minoru Nidaira, Katsuya Taira, Kiyomasa Itokazu, Jun Kudaka, Masaji Nakamura, Atsusi Ohno, Tomohiko Takasaki,
... Okinawa Island and from 27 wild boars on Iriomote Island in Okinawa Prefecture from 1997 to 2005. ... Northern area and 1 sample (3.7%) from Iriomote Island were positive for the JEV antibody. The difference in seroprevalence between the Northern area and Iriomote Island was statistically significant (P < 0.01, χ2 ... to the lack of a pig farm on Iriomote Island, whereas wild boars in the Northern area ...
Tópico(s): Virology and Viral Diseases
2007 - National Institute of Infectious Diseases | Japanese Journal of Infectious Diseases
Masato SAKUMA, Takuma Nishio, Nozomi Nakanishi, Masako Izawa, Yumiko Asari, Maki Okamura, Takako SHIMOKAWA MIYAMA, Asuka Setoguchi, Yasuyuki Endo,
We herein present clinical findings of an Iriomote cat with Hepatozoon felis parasitemia. A male Iriomote cat was captured for ecological analyses three times from January 2010 to January 2011. Although ... the first report of an H. felis-infected Iriomote cat with parasitemia.
Tópico(s): Toxoplasma gondii Research Studies
2011 - Japanese Society of Veterinary Science | Journal of Veterinary Medical Science
Masaru Nakamura, Kazunari Taira, Akihisa Ohno, Masanori Taira, Hiroshi Sakugawa, Kazuhiro Takahashi, Shunji Mishiro,
... samples obtained from 15 wild boars in the Iriomote Island of Okinawa Prefecture, and 2 of 15 ( ... nt) indicated that the 2 isolates from the Iriomote's boars (wbOK126 and wbOK128) were fairly remote ... ones interestingly. Regarding the geographical situation of the Iriomote Island (i.e., nearer to China than to ...
Tópico(s): Liver Diseases and Immunity
2006 - The Japan Society of Hepatology | Kanzo
Nozomi Nakanishi, Maki Okamura, Shinichi Watanabe, Masako Izawa, Teruo Doi,
... range size of one male and one female Iriomote Cat Prionailurus bengalensis iriomotensis was studied by radio-tracking and automatic photography on Iriomote Island, Japan. The study was conducted in the ... habitat (<50 m a.s.l.) for the Iriomote Cat. Two individuals, one male and one female, ...
Tópico(s): Animal Ecology and Behavior Studies
2005 - | Mammal Study
... mineral composition of 100 sandstone samples from the Iriomote Formation of the Yaeyama Group located at the ... Tertiary sandstones of the Japanese Islands arc, the Iriomote sandstones are enriched in quartz and contain less ... data as indicating that the provenance of the Iriomote Formation was the Eurasian Continent.
Tópico(s): Geological formations and processes
2004 - Elsevier BV | Journal of Asian Earth Sciences
Maki Okamura, Teruo Doi, Noriaki Sakaguchi, Masako Izawa,
The Iriomote cat, Felis iriomotensis, is a small felid endemic to Iriomote Island, Okinawa, Japan. Little is known of its ... previous reports related to breeding. Breeding of female Iriomote cats may not be seasonally restricted, although a ...
Tópico(s): Human-Animal Interaction Studies
2000 - | Mammal Study
Koichi Murakami, Saka Yoshikawa, Sayaka Konishi, Yoshiyuki Ueno, Shin Watanabe, Y. Mizoguchi,
... into the Ryukyu wild boar (RWB) population on Iriomote Island based on their genetic structure and diversity. ... n = 130) were collected from 18 locations on Iriomote Island and compared with 66 reference samples of ... 11 RWBs from the Panari Islands, northwest of Iriomote Main Island (IMI). The heterozygosity values, total number ...
Tópico(s): Genetic diversity and population structure
2014 - Wiley | Animal Genetics
Minoru Nidaira, Hisako Kyan, K. Taira, Shou Okano, Telma Miyuki Oshiro, Takashi Kato, Nagako Kudo, Yasuhito Azama, Youko Mahoe, Jun Kudaka, Kouji Tamanaha, Tomohiko Takasaki,
... 2008 to 2010, and 117 wild boars on Iriomote Island from 2008 to 2010. Four (3·1%) ... negative. Fifty-two (44·4%) wild boars on Iriomote were positive for JEV antibody, in contrast to ... 3·7% in 2000 and 2004. JEV on Iriomote and/or in Taiwan might be related to ...
Tópico(s): Vector-borne infectious diseases
2013 - Cambridge University Press | Epidemiology and Infection
Hideki Endo, Seishi Maeda, Daishiro Yamagiwa, Masamichi Kurohmaru, Yoshihiro Hayashi, Shôsaku Hattori, Y. Kurosawa, Kazue Tanaka,
... pigs from Amami-Oshima, Kakeroma, Okinawa, Ishigaki and Iriomote Islands. The size cline was not statistically recognized ... Islands. The Ishigaki population was significantly larger than Iriomote one in mandible length. Some measurement ratios indicated ... mandible is dorso-ventrally developed in Ishigaki and Iriomote populations. The Amami-Oshima mandibles were relatively smaller than those of Okinawa and Iriomote populations in length item of body of mandible. ...
Tópico(s): Forensic Anthropology and Bioarchaeology Studies
1998 - Japanese Society of Veterinary Science | Journal of Veterinary Medical Science
Paul Leyhausen, Mircea Pfleiderer,
Abstract The taxonomic status of the Iriomote cat (Prionailurus iriomotensis Imaizumi 1967) has been the subject of considerable discussion. Wozencraft's (1993) decision that it is merely a subspecies ... on an investigation into the relationship between the Iriomote cat and other species, using skull measurements to ... with each other. The results prove that the Iriomote cat cannot be subsumed as a subspecies of ...
Tópico(s): Wildlife Ecology and Conservation
1999 - Wiley | Journal of Zoological Systematics & Evolutionary Research
... Asia. Specifically, we contrasted the diet of the Iriomote Island sub-species (south-western Japan), where native ... comprised mammals, birds, amphibians, reptiles, and invertebrates. In Iriomote Island, however, the low relative frequency of occurrence ... niche breadth were higher for leopard cats in Iriomote Island than for the mainland. This shows that ... the leopard cat, and especially the critically endangered Iriomote cat. More generally, the trophic versatility of hypercarnivores ...
Tópico(s): Species Distribution and Climate Change
2020 - Taylor & Francis | Ethology Ecology & Evolution
Shinichi Watanabe, Masako Izawa,
... predators (Sunquist and Sunquist 2002), except for the Iriomote cat Prionailurus bengalensis iriomotensis, a subspecies of leopard cats endemic to Iriomote Island (284 km, 24°20'N, 123°49' ... but despite this, the feeding ecology of the Iriomote cat remains unique among the cat family as ... intake (Stephens and Krebs 1986). For instance, the Iriomote cat selectively preys on large-sized skinks during ... better understanding of the feeding ecology of the Iriomote cat, its principal prey should be evaluated in ...
Tópico(s): Wildlife Ecology and Conservation
2005 - | Mammal Study
Paul Leyhausen, Mircea Pfleiderer,
The taxonomic status of the Iriomote cat (Prionailurus iriomotensis Imaizumi 1967) has been the subject of considerable discussion. Wozencraft's (1993) decision that it is merely a ... on an investigation into the relationship between the Iriomote cat and other species, using skull measurements to ... with each other. The results prove that the Iriomote cat cannot be subsumed as a subspecies of ...
Tópico(s): Comparative Animal Anatomy Studies
1999 - Wiley | Journal of Zoological Systematics & Evolutionary Research
Masami Mochizuki, Masao AKUZAWA, Hiroshi Nagatomo,
The Iriomote cat (Felis iriomotensis) was first discovered on Iriomote Island in the Yaeyama Islands of Japan in 1965. ...
Tópico(s): Animal Virus Infections Studies
1990 - Wildlife Disease Association | Journal of Wildlife Diseases
Masako Izawa, Teruo Doi, Nozomi Nakanishi, Ayumi Teranishi,
... that is useful for examining conservation strategies. The Iriomote cat (Prionailurus bengalensis iriomotensis) is endemic to Iriomotejima ... individuals for each subspecies. While the population of Iriomote cat appears relatively stable, the population and abundance ... subspecies in Japan's Red List, and the Iriomote cat is listed as an endangered subspecies in ...
Tópico(s): Human-Animal Interaction Studies
2009 - Elsevier BV | Biological Conservation
Hongwei Chen, Tadashi Aotsuka,
... species of the genus Leucophenga were found from Iriomote Jima of Ryukyu Islands, Japan, including three new ... are described. A key to all species from Iriomote Jima is provided.
Tópico(s): Insect Pest Control Strategies
2003 - Cambridge University Press | The Canadian Entomologist
Hiroyuki Ushie, Hodaka Kawahata, Atsushi Suzuki, Shohei Murayama, Mayuri Inoue,
... conducted on small subtropical watersheds of aluminosilicate‐dominated Iriomote Island and carbonate‐based Ishigaki Island, southwestern Japan. ... Island exhibited much higher alkalinity than rivers on Iriomote Island, which was even higher than the mean ...
Tópico(s): Methane Hydrates and Related Phenomena
2010 - American Geophysical Union | Journal of Geophysical Research Atmospheres