Assess phenotypic changes in rusty crayfish Faxonius rusticus (previously Orconectes rusticus) across their invasion gradient in the John Day River (JDR, Oregon, U.SA.), a major tributary of the Columbia River
Analyze phenotypic changes in rusty crayfish Faxonius rusticus across its invasion gradient in multiple tributaries of the John Day River (JDR, Oregon, U.SA.)
Assess phenotypic changes in rusty crayfish Faxonius rusticus (previously Orconectes rusticus) across their invasion gradient in the John Day River (JDR, Oregon, U.SA.), a major tributary of the Columbia River
Analyze phenotypic changes in rusty crayfish Faxonius rusticus across its invasion gradient in multiple tributaries of the John Day River (JDR, Oregon, U.SA.)