| 研究課題/領域番号 |
20K06807
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| 研究機関 | 滋賀県立琵琶湖博物館 |
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研究代表者 |
Smith Robin 滋賀県立琵琶湖博物館, 研究部, 専門学芸員 (70416204)
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| 研究分担者 |
神谷 隆宏 金沢大学, 地球社会基盤学系, 教授 (80194976)
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| 研究期間 (年度) |
2020-04-01 – 2023-03-31
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| キーワード | Ostracoda / new species / alien species / rice fields |
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| 研究実績の概要 |
A manuscript was published about a probable alien species collected from Japanese pet shops, which we consider to be a potential invasive threat to rice field ecosystems. Further samples collected from rice fields yielded a new species of ostracod from Kanagawa Prefecture. This species is very likely to be invasive, as it belongs to a genus that is mostly found in the Afrotropical zoogeographical region, and its closest congener is native to Botswana. This species is currently being described to aid in its identification in other rice fields. A further seven species, previously unknown in Japan, have been recovered in pet shops. At least two of these species are known as invasive species in rice fields outside of Japan, and so are considered to be invasive risks in Japan.
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| 現在までの達成度 (区分) |
現在までの達成度 (区分)
2: おおむね順調に進展している
理由
The taxonomic and lab based aspects of the project are progressing very well.
But once again, Covid-19 has delayed some aspects of the project, such as field work in different areas and meetings between the PI and Co-I. However, due to the large amount of data already collected, and the samples taken before the commencement of the project, together with new samples taken in other areas, these delays are not expected to be a serious hindrance. Covid-19 has, however, greatly impacted the attendance of scientific conferences at which we were planning to report our results.
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| 今後の研究の推進方策 |
The project is now in the final year, and the main aim is to collate data for publications. We suspect that the pet trade and contaminating ostracod taxa are a significant route of potential alien species into Japan. These taxa could potentially spill over into surrounding habitats including rice fields.
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| 次年度使用額が生じた理由 |
Due to Covid-19, I was unable to travel.
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