Data from: A new composite abundance metric detects stream fish declines and community homogenization during six decades of invasions

Logan Sleezer, Paul Angermeier, Emmanuel Frimpong & Bryan Brown
Aim: We developed a new technique, utilizing species-specific counts of individuals from historical fish community samples, to examine landscape-level, spatiotemporal trends in relative abundance distributions. Abundance-based historical distribution analyses are often plagued by data comparability issues, but provide critical information about community composition trends inaccessible to those using analyses based only on species presence-absence. We established trends in native and non-native fish abundance and community homogenization, uniqueness, and diversity to help local conservation managers prioritize...
1 citation reported since publication in 2021.
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