Mean annual population growth rate and ratio change in abundance of common raven within level I ecoregions of the United States and Canada, 1966 - 2018

USGS-Science Data Catalog2026-03-14 收录

鸟类种群动态

长期生态监测

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These data identify the mean annual population growth rate and ratio change in abundance of common raven (Corvus corax; ravens) populations from 1966 through 2018.

创建时间：

2026-03-13

Mean annual population growth rate and ratio change in abundance of common raven within level I ecoregions of the United States and Canada, 1966 - 2018

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