| Author: | Tronstad, L.M., and S. Hotaling. |
| Article Title: | Long-term trends in aquatic ecosystem bioassessment metrics are not influenced by sampling method: empirical evidence from the Niobrara River |
| Journal Name: | Knowledge and Management of Aquatic Ecosystems |
| Keywords: | Iris pseudacorus, yellow-flag iris, biodiversity, stream ecology, biomonitoring, Hester–Dendy sampling, Hess sampling |