Grassland butterfly index in Europe (1991-2023)
收藏DataCite Commons2025-10-28 更新2026-05-04 收录
下载链接：
https://sdi.eea.europa.eu/catalogue/eea-statistical-data/api/records/c79bc6c0-7434-4383-81e5-6af986de7c63?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：
2025-10-28
