Grassland butterfly index in Europe (1991-2024)
收藏DataCite Commons2026-04-15 更新2026-05-04 收录
下载链接：
https://sdi.eea.europa.eu/catalogue/srv/api/records/ec07c817-1a95-4c3a-94e6-0266608efcc6?language=all
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资源简介：
This indicator is a multi-species index measuring changes in population abundance of 17 grassland butterfly species at EU level, using 1991 as reference year. The index is presented as a smoothed time series and is calculated with 95% confidence limits.
提供机构：
European Environment Agency
创建时间：
2026-04-15
