权益分类	功能权益	普通用户	{{item.name}}会员
{{category.name}}	{{benefitItem.name}}

The clam-eating alien snail Euspira fortunei and its impact for clam culture in Japan

吃蛤的外来蜗牛 Euspira Fortunei 及其对日本蛤文化的影响

基本信息

批准号：
20580211
负责人：
OKOSHI Kenji
金额：
$ 3万
依托单位：
Ishinomaki Senshu University
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (C)
财政年份：
2008
资助国家：
日本
起止时间：
2008 至 2010
项目状态：
已结题

项目摘要

The Asari clam Ruditapes philippinarum is a commercially important fishery resource in Japan. Because the amount of production has been decreasing gradually in Japan, the clam has been imported from China and Korea in recent years to provide seed for aquaculture and also for recreational shellfish gathering. The object of this study is to confirm whether alien species are being introduced together with the clam and to obtain information on their distribution in Japanese waters. Three species of mollusk-eating moon snail, Euspira fortunei, Glossaulax didyma, and Glossaulax reiniana, were collected from sacks filled with R. philippinarum imported from China and North Korea. Seven other gastropod species, nine species of bivalves including Meretrix pethechialis, the purse crab Philyra pisum, and a brachiopod, Lingula unguis, were also collected from the sacks. Almost all the unintentionally introduced animals were living and were directly released with commercially introduced clams to Mangoku-ura Inlet, Miyagi Prefecture, by a fishermen's cooperative. Although the snail E. fortunei is not indigenous to the eastern and northern coasts of Japan, relatively large populations of it occur in the clam production areas of Lake Hamana (Shizuoka), the estuary of the Obitsu River (Chiba), Matsukawa-ura Inlet (Fukushima), Matsuishima Bay (Miyagi) and Mangoku-ura Inlet. I believe that a population of this invasive snail has already been established in Japanese water and is becoming a new, strong predator of the clam stocks. Prevention of further spread and estimation of the rate of predation are important to the clam culture. Among the 22 alien species recorded in this survey, seven were also found in the native communities. The effect of the alien population on the preexisting population is also important problem to be solved.

菲律宾蛤仔是日本重要的商业渔业资源。由于日本的产量逐渐减少，近年来从中国和韩国进口了文蛤，为水产养殖和休闲贝类采集提供种子。这项研究的目的是确认外来物种是否与文蛤一起被引入，并获得关于它们在日本水域分布的信息。从中国和朝鲜进口的菲律宾软体动物袋子里采集了3种食软体动物月螺，分别为真螺、舌螺和舌螺。其他7种腹足类，9种双壳类，包括文蛤，袋蟹Philyra pisum和腕足类Lingula onguis，也被从麻袋中收集到。几乎所有无意引进的动物都还活着，并由一个渔民合作社直接将商业引进的文蛤放生到宫城县曼谷仓。虽然日本东部和北部海岸不是本土钉螺，但在滨名湖(静冈)、大比素河(千叶)河口、松川湾(福岛)、松岛湾(宫城)和文谷仓的文蛤产区，螺类种群相对较多。我认为这种入侵蜗牛的种群已经在日本水域建立起来，并正在成为蛤类种群的新的、强大的捕食者。防止进一步扩散和估计捕食率对文蛤养殖很重要。在本次调查记录的22种外来物种中，有7种也是在本地群落中发现的。外来人口对原有人口的影响也是需要解决的重要问题。

项目成果

期刊论文数量（0）

专著数量（0）

科研奖励数量（0）

会议论文数量（0）

专利数量（0）

外来移入種サキグロタマツメタの東北地方における生息拡大と被害の現状

东北地区引进外来物种 Sakigrotamatsumata 造成的生境扩张和破坏现状

DOI：
发表时间：
2008
期刊：
影响因子：
0
作者：
藤野佑美・大坪繭子・山田真知子;小倉久子・児玉真史・一見和彦・多田邦尚;池田譲;大越健嗣;杉本親要・池田譲;田代紗菜・山田真知子・大坪繭子・日高朋子・山本圭吾・一見和彦・多田邦尚;大越健嗣;池田譲・瀬川明宏;馬場千英・田代紗菜・大坪繭子・山田真知子・中野義勝・児玉真史・一見和彦・多田邦尚;大越健嗣;池田譲;大越健嗣;山田真知子・大坪繭子・日高朋子・山本圭吾・一見和彦・多田邦尚;池田譲;大越健嗣
通讯作者：
大越健嗣

サキグロタマツメタは浮遊する-動画撮影による行動観察

Sakigrotamatsumata 漂浮物 - 通过视频记录观察行为

DOI：
发表时间：
2008
期刊：
影响因子：
0
作者：
藤野佑美・大坪繭子・山田真知子;小倉久子・児玉真史・一見和彦・多田邦尚;池田譲;大越健嗣;杉本親要・池田譲;田代紗菜・山田真知子・大坪繭子・日高朋子・山本圭吾・一見和彦・多田邦尚;大越健嗣;池田譲・瀬川明宏;馬場千英・田代紗菜・大坪繭子・山田真知子・中野義勝・児玉真史・一見和彦・多田邦尚;大越健嗣;池田譲;大越健嗣;山田真知子・大坪繭子・日高朋子・山本圭吾・一見和彦・多田邦尚;池田譲;大越健嗣;大越健嗣;山田真知子・大坪繭子・日高朋子・山本圭吾・一見和彦・多田邦尚;池田譲;大越健嗣;池田譲;山田真知子・香月絵理・大坪繭子・一見和彦・多田邦尚;大越健嗣;杉本親要・池田譲;山田真知子・大坪繭子;大越健嗣;池田譲;大越健嗣;河口真弓・大坪繭子・山田真知子・香月絵理・帰山秀樹・一見和彦・多田邦尚;杉本親要・池田譲;大越健嗣
通讯作者：
大越健嗣

15章水産物による導入の特徴-水産物移動に伴う外来種の移入「海の外来生物」日本プランクトン学会・日本ベントス学会編(単行本)pp.217-227

第15章海产品引进的特征 - 由于海产品的移动而引进的外来物种《引进海洋物种》日本浮游生物协会和日本便当协会编（精装本）第217-227页