Richard Johnson

• Professor of Environmental Assessment, Aquatic Biodiversity – appointed June 2007, Swedish University of Agricultural Sciences, Sweden.
• Professor of Aquatic Ecology – promoted March 2000, Swedish University of Agricultural Sciences, Sweden.
• Associate professor (docent) of Limnology – promoted May 1990, Uppsala University, Sweden.
• Doctor of Philosophy in Limnology – awarded May 1986, Uppsala University, Sweden.
• Masters in Biology – awarded August 1981, California State University, U.S.A.
• Bachelors in Biology and Chemistry – awarded May 1978, California State University, U.S.A.

• Importance of ecological linkages between aquatic and riparian habitats for ecosystem biodiversity, function and resilience
• Use of aquatic assemblages to detect ecological change, with recent focus on eDNA
• Effects of climate change on shifting baselines and restoration endeavours
• Use of modelling to establish reference conditions and detect environmental impacts

Coordinator of the national monitoring program of Trend Lakes (1988 - 2024)

Appled Environmental Assessment both undergraduate and graduate levels

Burdon, F.J., Sargac, J., Popescu, C., Darmina, N., Bradu, C., Witing, F., Kupilas, B., Lau, D.,  Rîşnoveanu, G., Friberg, N., Ramberg, E., Forio, M., Volk, M., Goethals, P., Johnson, R.K., B.G. McKie. 2025. Fatty acid biomarkers reveal landscape influences on linkages between aquatic and terrestrial food webs. Ecological Monographs, https://doi.org/10.1002/ecm.70025

Johnson, R.K., Goedkoop, W., Lau, D. 2025. Multi-decadal trends in Northern lakes show contrasting responses of phytoplankton and benthic macroinvertebrates to climate change. Global Change Biology, http://dx.doi.org/10.1111/gcb.70274 

Johnson, R.K., Drakare S. Kahlert, M, Carlson, P. 2025. Quantifying small hydropower dam effects on habitats and multiple organism groups in lowland rivers. Inland Waters, https://doi.org/10.1080/20442041.2024.2448915.

Belle, S., Drakare, S., Johnson, R.K. 2025. Liming-induced taxonomic homogenization of chironomid assemblages in Scandinavian lakes was unraveled by paleolimnological reconstructions. Journal of Environmental Management, 373. https://doi.org/10.1016/j.jenvman.2024.123546 

Belle, S., Fölster, J., Goedkoop, W., Johnson, R.K. 2025. Responses of benthic carbon flow in Scandinavian lakes to atmospheric sulphur and nitrogen depositions: potential influence of nutrient limitation. Freshwater Biology, in press. http://dx.doi.org/10.1111/fwb.14364

Belle, S., Johnson, R.K. Huser, B. 2024. Cumulative effects of climate change and land use on the ecological status of Scandinavian lakes show contrasted interactions in different ecoregions: the role of pre-disturbance conditions in assessing ecological status. Ecological Indicators, https://doi.org/10.1016/j.ecolind.2024.112879

Welti et al. 2024 Time series of freshwater macroinvertebrate abundances and site characteristics of European streams and rivers: Scientific data Nature, 11(1), 601.

Sinclair, J.S. et al. Protected areas promote recovery in degraded European rivers. Submitted.

Zhang, Y., Mingjie, L., Zhang, Y., Gong, Z., Cai, Y., Johnson, R.K. 2024. Drivers of macroinvertebrate assemblages in littoral and pelagic habitats of a large shallow lake: implications for bioassessment. Hydrobiologia, https://doi.org/10.1007/s10750-024-05534-1 

Jane, S.F., Johnson, R.K., Rose, K.C., Eklöv, P., Weyhenmeyer, G.A., 2024. Shifting response of benthic invertebrate community composition in lakes to dissolved organic matter beyond a threshold concentration. Freshwater Biology. https://doi.org/10.1111/fwb.14211

Sinclair, J.S. et al. 2024. Multi-decadal improvements in the assessed quality of European stream invertebrate communities are inconsistently reflected in biodiversity metrics. Nature Ecology and Evolution, https://doi.org/10.1038/s41559-023-02305-4

see also https://scholar.google.com/citations?user=VC_0HdMAAAAJ&hl=en&oi=ao