Yakushima macaque: Difference between revisions
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The '''Yakushima Macaque''' (''Macaca fuscata yakui'') is a |
The '''Yakushima Macaque''' (''Macaca fuscata yakui'') is a subspecies of Japanese monkey which is indigenous to [[Yakushima Island]] ([[Kagoshima Prefecture]]). |
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It also called the Yaku [[Macaque]]. |
It also called the Yaku [[Macaque]]. |
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Revision as of 17:02, 27 July 2010
| Yakushima Macaque | |
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| Subspecies: | M. f. yakui
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| Macaca fuscata yakui | |
The Yakushima Macaque (Macaca fuscata yakui) is a subspecies of Japanese monkey which is indigenous to Yakushima Island (Kagoshima Prefecture).
It also called the Yaku Macaque.
Characteristics
It has a body length ranging from 45 to 60 centimetres (18 to 24 in), with a tail length of approximately 5 to 10 centimetres (2.0 to 3.9 in). It weighs from 6 to 13 kilograms (13 to 29 lb).
Compare with M.f.fuscata which lives from Honshu to Shikoku and Kyushu, Japan, their individuals have small-size, stocky, black hands and feet, a little long and thick and gray fur.
Individuals of adult have more black fur than their child. Adult male have a special of the hair that is called “Momoware” which separates from center to right and left.
Once in two years, females bear one baby in May from March. The numbers in one troop is less than 50.
There is genetic distance between the Japanese Macaque and the Yakushima Macaque more than 10 times of the Japanese Macaque. The Yakushima Macaque population in Yakushima Island lies to the southern limit of Japanese Macaque's distribution. The number is 9504-18890 investigation in 1999.
Damage caused by monkeys and electric fences
Once in Yakushima , foods for monkeys became short. The reason is that broadleaf trees decreased because the felling in the habitat of monkeys and planting of the conifers .Furthermore ,because people do not work in the mountains and do not leave their dogs to run loose as before ,monkeys came to has no care to people and come to their villages and damaged their crops.
400-500 Yakushima Macaques were are caught and exterminated every year because of their damage to Ponkan orange or Tankan orange crops for which Yakushima is especially noted. Nowadays, local people aim to coexist by differentiating between man and monkey so that they set electric fences around their farm.
Positioning in the protection
According to the Red List of endangered species by the Ministry of the Environment, it was judged “a rare species” in 1991 and “an quasi-endangered species” in 1998. But it was out of rank for the reason of the increase of the population in the latest 2007 Red List.[1] Although Japanese monkey inhabited in Tanegashima next to Yakushima until 1950s, it become extinct after that. Whether it was the one that to which Hondo Macaqueor Yakushima Macaque this belongs is not clarified.It is not clear that the Japanese monkey was belonged to Hondo Macaque or Yakushima Macaque.
References
- ^ Ministry of Environment (August 3, 2007). "哺乳類、汽水・淡水魚類、昆虫類、貝類、植物I及び植物IIのレッドリストの見直しについて" (in Japanese). Retrieved July 9, 2010.
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- 阿部永監修、阿部永・石井信夫・伊藤徹魯・金子之史・前田喜四雄・三浦慎吾・米田政明著、財団法人自然環境研究センター編 『日本の哺乳類【改訂2版】』 東海大学出版会、2008年、66-67頁、ISBN 978-4-486-01802-5。(Japanese)
External Links
- Naohiko Noma "Scientific value of the natural region of western Yakushima" Yakushima Open Field Museum Report Template:Ja icon