# Japan survey documents erosion and shifting wildlife on Nishinoshima

> Japan's environment ministry published findings on 2 October from an integrated survey of Nishinoshima conducted in July 2026. The report describes changing landforms and wildlife, as well as trial equipment for continued remote monitoring.

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- Publisher: Newsverum
- Section: Environment
- Country: Japan
- Published: 2026-10-04T14:04:24+00:00
- Updated: 2026-10-07T05:58:03+03:00
- Event / data period: 2026-07
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This was the second consecutive year researchers landed on the island. The ministry said an erosion gully where plants had been observed the previous year had disappeared, while moss and algae were found in another. A seismometer was installed for the first time since the major 2019–20 eruption, and satellite remote operation was tested.

Sooty tern numbers, which had fallen sharply in the previous survey, increased substantially this year, though the ministry described the group as potentially unstable. Six species were recorded in the intertidal area, including remains. These are field observations, not estimates of permanent island populations.

## Data

### Nishinoshima survey observations

July 2026 fieldwork; the species count is not a population estimate and includes remains.

Methodology: July 2026 fieldwork; the species count is not a population estimate and includes remains.

| label | value | unit | period | basis |
|---|---|---|---|---|
| Species recorded in intertidal zone (including remains) | 6 | count | 2026-07 | observed |

Sources: <https://www.env.go.jp/press/press_05562.html> · Download data: [JSON](https://newsverum.com/api/v1/articles/japan-nishinoshima-survey-finds-coastal-erosion-and-changing-wildlife/data/nishinoshima-survey?lang=en&format=json) · [CSV](https://newsverum.com/api/v1/articles/japan-nishinoshima-survey-finds-coastal-erosion-and-changing-wildlife/data/nishinoshima-survey?lang=en&format=csv)

## Sources

- [Ministry of the Environment, Government of Japan](<https://www.env.go.jp/press/press_05562.html>) (Source checked: 2026-10-04; Published: 2026-10-02)

## Correction history

- 2026-10-07T00:56:56+03:00: German and Portuguese editions and translations of the data and correction explanations have been added to this article.
- 2026-10-07T05:58:03+03:00: Data classification corrected: measure identifiers and types now follow the dataset rules. No figure, unit or date changed.

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