Charles Hawkins

Publications | Book Chapters

• Hawkins, C.P, Carlisle, D.M, (2022). Biological assessments of aquatic ecosystems: Encyclopedia of Inland Waters, 2nd edition. Elsevier
• Crisafulli, C.M, Trippe, L.S, Hawkins, C.P, MacMahon, J., (2005). Amphibian responses to the 1980 eruption of Mount St. Helens: Ecological Responses to the 1980 Eruption of Mount St. Helens. Springer New York
• Bisson, P.A, Crisafulli, C.M, Fransen, B.R, Lucas, R.E, Hawkins, C.P, (2005). Responses of fish to the 1980 Eruption of Mount St. Helens: Ecological Responses to the 1980 Eruption of Mount St. Helens. Springer New York
• Stevenson, R.J, Bailey, R.C, Harrass, M.C, Hawkins, C.P, Alba-Tercedor, J., Couch, C., Dyer, S., Fulk, F.A, Harrington, J.M, Hunsaker, C.T, Johnson, R.K, Barbour, M.T, Norton, S.B, Preston, H.R, Thornton, K.W, (2004). Designing data collection for ecological assessments: Ecological Assessments of Aquatic Resources: Linking Science to Decision-Making. Society of Environmental Toxicology and Chemistry
• Stevenson, R.J, Bailey, R.C, Harrass, M.C, Hawkins, C.P, Alba-Tercedor, J., Couch, C., Dyer, S., Fulk, F.A, Harrington, J.M, Hunsaker, C.T, Johnson, R.K, Barbour, M.T, Norton, S.B, Preston, H.R, Thornton, K.W, (2004). Interpreting results of ecological assessments: Ecological Assessments of Aquatic Resources: Linking Science to Decision-Making. Society of Environmental Toxicology and Chemistry
• Hawkins, C.P, Carlisle, D.M, (2001). Use of predictive models for assessing the biological integrity of wetlands and other aquatic habitats: Bioassessment and management of North American freshwater wetlands. John Wiley & Sons
• Hawkins, C.P, Norris, R.H, (2000). Effects of taxonomic resolution and exclusion of tasa on the sensitivity of RIVPACS models used to predict biotic conditions in streams: Assessing the biological quality of frshwaters: RIVPACS and other techniques. Freshwater Biological Association
• Hawkins, C.P, Crisafulli, C.M, Mack, M., Opler, P., Haeker, C., Doran, P., Huckably, L., (1997). Ecosystem recovery following a catastrophic disturbance: lessons learned from Mount St. Helens: Status and trends of the nation's biological resources. USDI
• Baker, A.D, Hawkins, C.P, (1990). Patch-specific variation in drift density of Baetis: Mayflies and Stoneflies: Life Histories and Biology. Springer Netherlands
• Hawkins, C.P, (1990). Relationship between habitat dynamics, food availability, and growth patterns of ephemerellid mayflies from western North America: Mayflies and Stoneflies: Life Histories and Biology. Springer Netherlands

An asterisk (*) at the end of a publication indicates that it has not been peer-reviewed.

Publications | Journal Articles

Academic Journal

• Goodrum, G.C, Hawkins, C.P, Walsworth, T., Null, S., (2025). Predicting road‐crossing passability for river connectivity analysis. River Research and Applications, doi: 10.1002/rra.4434
• Courtwright, J.L, Hawkins, C.P, (2024). Assessing stream biological integrity across gradients of flow permanence and hydrologic connectivity. Freshwater Science, 43:4, 389-411. doi: 10.1086/732247
• Kunz, S., Kefford, B.J, Usseglio‐Polatera, P., Hawkins, C.P, Poff, N.L, Akamagwuna, F., Odume, N., Schmidt‐Kloiber, A., Graf, W., Metzeling, L., Matthaei, C.D, Phillips, N., Schäfer, R.B, (2024). Similarity of stream insect trait profiles across biogeographic regions. Diversity and Distributions, 30:4, doi: 10.1111/ddi.13812
• Siqueira, T., Hawkins, C.P, Olden, J.D, Tonkin, J., Comte, L., Saito, V.S, Anderson, T.L, Barbosa, G.P, Bonada, N., Bonecker, C.C, Cañedo‐Argüelles, M., Datry, T., Flinn, M.B, Fortuño, P., Gerrish, G.A, Haase, P., Hill, M.J, Hood, J.M, Huttunen, K., Jeffries, M.J, Muotka, T., O'Donnell, D.R, Paavola, R., Paril, P., Paterson, M.J, Patrick, C.J, Perbiche‐Neves, G., Rodrigues, L.C, Schneider, S.C, Straka, M., Ruhi, A., (2024). Understanding temporal variability across trophic levels and spatial scales in freshwater ecosystems. Ecology, 105:2, doi: 10.1002/ecy.4219
• Benkendorf, D.J, Schwartz, S.D, Cutler, D.R, Hawkins, C.P, (2023). Correcting for the effects of class imbalance improves the performance of machine-learning based species distribution models. Ecological Modelling, 483, 110414. doi: 10.1016/j.ecolmodel.2023.110414
• Rose, K.C, Bierwagen, B., Bridgham, S.D, Carlisle, D.M, Hawkins, C.P, Poff, N.L, Read, J.S, Rohr, J.R, Saros, J.E, Williamson, C.E, (2023). Indicators of the effects of climate change on freshwater ecosystems. Climatic Change, 176:3, doi: 10.1007/s10584-022-03457-1
• Abdulwahab, U.A, Hammill, E., Hawkins, C.P, (2022). Choice of climate data affects the performance and interpretation of species distribution models.. Ecological Modelling, 471, 110042. doi: 10.1016/j.ecolmodel.2022.110042
• Maasri, A., Jähnig, S.C, Adamescu, M.C, Adrian, R., Baigun, C., Baird, D.J, Batista‐Morales, A., Bonada, N., Brown, L.E, Cai, Q., Campos‐Silva, J.V, Clausnitzer, V., Contreras‐MacBeath, T., Cooke, S.J, Datry, T., Delacámara, G., De Meester, L., Dijkstra, K.B, Do, V.T, Domisch, S., Dudgeon, D., Erös, T., Freitag, H., Freyhof, J., Friedrich, J., Friedrichs‐Manthey, M., Geist, J., Gessner, M.O, Goethals, P., Gollock, M., Gordon, C., Grossart, H., Gulemvuga, G., Gutiérrez‐Fonseca, P.E, Haase, P., Hering, D., Hahn, H.J, Hawkins, C.P, He, F., Heino, J., Hermoso, V., Hogan, Z., Hölker, F., Jeschke, J.M, Jiang, M., Johnson, R.K, Kalinkat, G., Karimov, B.K, Kasangaki, A., Kimirei, I.A, Kohlmann, B., Kuemmerlen, M., Kuiper, J.J, Kupilas, B., Langhans, S.D, Lansdown, R., Leese, F., Magbanua, F.S, Matsuzaki, S.S, Monaghan, M.T, Mumladze, L., Muzon, J., Mvogo Ndongo, P.A, Nejstgaard, J.C, Nikitina, O., Ochs, C., Odume, O.N, Opperman, J.J, Patricio, H., Pauls, S.U, Raghavan, R., Ramírez, A., Rashni, B., Ross‐Gillespie, V., Samways, M.J, Schäfer, R.B, Schmidt‐Kloiber, A., Seehausen, O., Shah, D.N, Sharma, S., Soininen, J., Sommerwerk, N., Stockwell, J.D, Suhling, F., Tachamo Shah, R.D, Tharme, R.E, Thorp, J.H, Tickner, D., Tockner, K., Tonkin, J.D, Valle, M., Vitule, J., Volk, M., Wang, D., Wolter, C., Worischka, S., Thrall, P., (2022). A global agenda for advancing freshwater biodiversity research. Ecology Letters, 25:2, 255-263. doi: 10.1111/ele.13931
• Kunz, S., Kefford, B.J, Schmidt‐Kloiber, A., Matthaei, C.D, Usseglio‐Polatera, P., Graf, W., Poff, N.L, Metzeling, L., Twardochleb, L., Hawkins, C.P, Schäfer, R.B, (2022). Tackling inconsistencies among freshwater invertebrate trait databases: harmonising across continents and aggregating taxonomic resolution. Freshwater Biology, 67:2, 275-291. doi: 10.1111/fwb.13840
• Zhang, X., Jin, J., Zeng, X., Hawkins, C.P, Neto, A.A, Niu, G., (2022). The compensatory CO₂ fertilization and stomatal closure effects on runoff projection from 2016–2099 in the western United States. Water Resources Research, 58:1, doi: 10.1029/2021wr030046
• Patrick, C.J, Anderson, K.E, Brown, B.L, Hawkins, C.P, Metcalfe, A., Saffarinia, P., Siqueira, T., Swan, C.M, Tonkin, J.D, Yuan, L.L, (2021). The application of metacommunity theory to the management of riverine ecosystems. WIREs Water, 8:6, doi: 10.1002/wat2.1557
• Leonard, E.E, Mast, A.M, Hawkins, C.P, Kettenring, K., (2021). Arthropod assemblages in invasive and native vegetation of Great Salt Lake wetlands. Wetlands, 41:5, doi: 10.1007/s13157-021-01446-1
• Merritt, A., Lane, B., Hawkins, C.P, (2021). Classification and Prediction of Natural Streamflow Regimes in Arid Regions of the USA. Water, 13:3, doi: https://doi.org/10.3390/w13030380
• Benkendorf, D.J, Hawkins, C.P, (2020). Effects of sample size and network depth on a deep learning approach to species distribution modeling. Ecological Informatics, 60, 101137. doi: 10.1016/j.ecoinf.2020.101137
• Tyree, M.A, Bishop, I.W, Hawkins, C.P, Mitchell, R., Spaulding, S.A, (2020). Reduction of taxonomic bias in diatom species data. Limnology and Oceanography: Methods, 18:6, 271-279. doi: 10.1002/lom3.10350
• Chen, K., Olson, J.R, Vander Laan, J.J, Hill, R.A, Wang, B., Hawkins, C.P, (2019). Improving the performance of ecological indices by balancing reference site quality and representativeness. Hydrobiologia, 837:1, 177-194. doi: 10.1007/s10750-019-3970-3
• Cao, Y., Hawkins, C.P, (2019). Weighting effective number of species measures by abundance weakens detection of diversity responses. Journal of Applied Ecology, 56:5, 1200-1209. doi: 10.1111/1365-2664.13345
• Jourdan, J., Plath, M., Tonkin, J.D, Ceylan, M., Dumeier, A.C, Gellert, G., Graf, W., Hawkins, C.P, Kiel, E., Lorenz, A.W, Matthaei, C.D, Verdonschot, P.F, Verdonschot, R.C, Haase, P., (2019). Reintroduction of freshwater macroinvertebrates: challenges and opportunities. Biological Reviews, 94:2, 368-387. doi: 10.1111/brv.12458
• Le, T.D, Kattwinkel, M., Schützenmeister, K., Olson, J.R, Hawkins, C.P, Schäfer, R.B, (2019). Predicting current and future background ion concentrations in German surface water under climate change. Philosophical Transactions of the Royal Society B: Biological Sciences, 374:1764, 20180004. doi: 10.1098/rstb.2018.0004
• Hammill, E., Hawkins, C.P, Greig, H.S, Kratina, P., Shurin, J.B, Atwood, T., (2018). Landscape heterogeneity strengthens the relationship between β‐diversity and ecosystem function. Ecology, 99:11, 2467-2475. doi: 10.1002/ecy.2492
• Mustonen, K., Mykrä, H., Marttila, H., Sarremejane, R., Veijalainen, N., Sippel, K., Muotka, T., Hawkins, C.P, (2018). Thermal and hydrologic responses to climate change predict marked alterations in boreal stream invertebrate assemblages. Global Change Biology, 24:6, 2434-2446. doi: 10.1111/gcb.14053
• Long, A.L, Kettenring, K., Hawkins, C.P, Neale, C.M, (2017). Distribution and drivers of a widespread, invasive wetland grass, Phragmites australis, in wetlands of the Great Salt Lake, Utah, USA. Wetlands, 37, 45-57.
• Nichols, S.J, Barmuta, L.A, Chessman, B.C, Davies, P.E, Dyer, F.J, Harrison, E.T, Hawkins, C.P, Jones, I., Kefford, B.J, Linke, S., Marchant, R., Metzeling, L., Moon, K., Ogden, R., Peat, M., Reynoldson, T.B, Thompson, R.M, (2017). The imperative need for nationally coordinated bioassessment of rivers and streams. Marine and Freshwater Research, 68:4, 599. doi: 10.1071/mf15329
• Vaughan, A.A, Belmont, P., Hawkins, C.P, Wilcock, P., (2017). Near‐channel versus watershed controls on sediment rating curves. Journal of Geophysical Research: Earth Surface, 122:10, 1901-1923. doi: 10.1002/2016jf004180
• Follstad Shah, J.J, Kominoski, J.S, Ardón, M., Dodds, W.K, Gessner, M.O, Griffiths, N.A, Hawkins, C.P, Johnson, S.L, Lecerf, A., LeRoy, C.J, Manning, D.W, Rosemond, A.D, Sinsabaugh, R.L, Swan, C.M, Webster, J.R, Zeglin, L.H, (2017). Global synthesis of the temperature sensitivity of leaf litter breakdown in streams and rivers. Global Change Biology, 23:8, 3064-3075. doi: 10.1111/gcb.13609
• Olson, J.R, Hawkins, C.P, (2017). Effects of total dissolved solids on growth and mortality predict distributions of stream macroinvertebrates. Freshwater Biology, 62:4, 779-791. doi: 10.1111/fwb.12901
• Long, A.L, Kettenring, K.M, Hawkins, C.P, Neale, C.M, (2017). Distribution and drivers of a widespread, invasive wetland grass, Phragmites australis, in wetlands of the Great Salt Lake, Utah, USA. Wetlands, 37:1, 45-57. doi: 10.1007/s13157-016-0838-4
• Craig, L.S, Olden, J.D, Arthington, A.H, Entrekin, S., Hawkins, C.P, Kelly, J.J, Kennedy, T.A, Maitland, B.M, Rosi, E.J, Roy, A.H, Strayer, D.L, Tank, J.L, West, A.O, Wooten, M.S, Zak, D.R, Groffman, P.M, (2017). Meeting the challenge of interacting threats in freshwater ecosystems: A call to scientists and managers. Elementa: Science of the Anthropocene, 5, doi: 10.1525/elementa.256
• Jones, R.C, Hawkins, C.P, Fennessy, M.S, Vander Laan, J.J, (2016). Modeling wetland plant metrics to improve the performance of vegetation-based indices of biological integrity. Ecological Indicators, 71, 533-543. doi: 10.1016/j.ecolind.2016.07.030
• Hawkins, C.P, Yuan, L.L, (2016). Multitaxon distribution models reveal severe alteration in the regional biodiversity of freshwater invertebrates. Freshwater Science, 35:4, 1365-1376. doi: 10.1086/688848
• Dhungel, S., Tarboton, D.G, Jin, J., Hawkins, C.P, (2016). Potential effects of climate change on ecologically relevant streamflow regimes. River Research and Applications , 32:2, 1827-1840. doi: 10.1002/rra.3029
• Mazor, R.D, Rehn, A.C, Ode, P.R, Engeln, M., Schiff, K.C, Stein, E.D, Gillett, D.J, Herbst, D.B, Hawkins, C.P, (2016). Bioassessment in complex environments: designing an index for consistent meaning in different settings. Freshwater Science, 35:1, 249-271. doi: 10.1086/684130
• Ode, P.R, Rehn, A.C, Mazor, R.D, Schiff, K.C, Stein, E.D, May, J.T, Brown, L.R, Herbst, D.B, Gillett, D., Lunde, K., Hawkins, C.P, (2016). Evaluating the adequacy of a reference-site pool for ecological assessments in environmentally complex regions. Freshwater Science, 35:1, 237-248. doi: 10.1086/684003
• Menuz, D.R, Kettenring, K., Hawkins, C.P, Cutler, D., (2015). Non-equilibrium in plant distribution models–only an issue for introduced or dispersal limited species?. Ecography, 38:3, 231–240.
• Hawkins, C.P, Mykrä, H., Oksanen, J., Vander Laan, J.J, (2015). Environmental disturbance can increase beta diversity of stream macroinvertebrate assemblages. Global Ecology and Biogeography, 24:4, 483-494. doi: 10.1111/geb.12254
• Menuz, D.R, Kettenring, K., Hawkins, C.P, Cutler, D., (2015). Non‐equilibrium in plant distribution models – only an issue for introduced or dispersal limited species?. Ecography, 38:3, 231-240. doi: 10.1111/ecog.00928
• Hill, R.A, Hawkins, C.P, (2014). Using modelled stream temperatures to predict macro‐spatial patterns of stream invertebrate biodiversity. Freshwater Biology, 59:12, 2632-2644. doi: 10.1111/fwb.12459
• Hill, R.A, Hawkins, C.P, Jin, J., (2014). Predicting thermal vulnerability of stream and river ecosystems to climate change. Climatic Change, 125:3-4, 399-412. doi: 10.1007/s10584-014-1174-4
• Hill, R., Hawkins, C.P, Jin, J., (2014). Predicting thermal vulnerability of stream and river ecosystems to climate change. , 125:3-4, 399-412.
• Vander Laan, J.J, Hawkins, C.P, (2014). Enhancing the performance and interpretation of freshwater biological indices: An application in arid zone streams. Ecological Indicators, 36, 470-482. doi: 10.1016/j.ecolind.2013.09.006
• Olson, J.R, Hawkins, C.P, (2013). Developing site-specific nutrient criteria from empirical models. Freshwater Science, 32:3, 719-740. doi: 10.1899/12-113.1
• Vander Laan, J.J, Hawkins, C.P, Olson, J.R, Hill, R.A, (2013). Linking land use, in-stream stressors, and biological condition to infer causes of regional ecological impairment in streams. Freshwater Science, 32:3, 801-820. doi: 10.1899/12-186.1
• Hill, R.A, Hawkins, C.P, Carlisle, D.M, (2013). Predicting thermal reference conditions for USA streams and rivers. Freshwater Science, 32:1, 39-55. doi: 10.1899/12-009.1
• Olson, J.R, Hawkins, C.P, (2012). Predicting natural base‐flow stream water chemistry in the western United States. Water Resources Research, 48:2, doi: 10.1029/2011wr011088
• Hein, C.L, Pike, A.S, Blanco, J.F, Covich, A.P, Scatena, F.N, Hawkins, C.P, Crowl, T.A, (2011). Effects of coupled natural anthropogenic factors on the community structure of diadromous fish and shrimp species in tropical islands and streams. Freshwater Biology
• Cao, Y., Hawkins, C.P, (2011). The comparability of bioassessments: a review of conceptual and methodological issues. Journal of the North American Benthological Society, 30:3, 680-701. doi: 10.1899/10-067.1
• CHINNAYAKANAHALLI, K.J, Hawkins, C.P, Tarboton, D.G, HILL, R.A, (2011). Natural flow regime, temperature and the composition and richness of invertebrate assemblages in streams of the western United States. Freshwater Biology, 56:7, 1248-1265. doi: 10.1111/j.1365-2427.2010.02560.x
• Chinnayakanahalli, K.J, Hawkins, C.P, Tarboton, D.G, Hill, R.A, (2011). Natural flow regime, temperature and the composition and richness of invertebrate assemblages in streams of the western United States. Freshwater Biology, 56:7, 1248-1265. doi: 10.1111/j.1365-2427.2010.02560.x
• HEIN, C.L, PIKE, A.S, BLANCO, J.F, COVICH, A.P, SCATENA, F.N, Hawkins, C.P, CROWL, T.A, (2011). Effects of coupled natural and anthropogenic factors on the community structure of diadromous fish and shrimp species in tropical island streams. Freshwater Biology, 56:5, 1002-1015. doi: 10.1111/j.1365-2427.2010.02537.x
• Pfrender, M.E, Hawkins, C.P, Bagley, M., Courtney, G., Creutzburg, B.R, Epler, J.H, Fend, S., Ferrington, L.C, Hartzell, P.L, Jackson, S., Larsen, D.P, Levesque, C.A, Morse, J.C, Peteren, M., Ruiter, D., Schindel, D., Whiting, M., (2010). Assessing macroinvertebrate biodiversity in freshwater ecosystems: advances and challenges in DNA-based approaches. Quarterly Review of Biology, 85, 319-340.
• Pfrender, M.E, Hawkins, C.P, Bagley, M., Courtney, G.W, Creutzburg, B.R, Epler, J.H, Fend, S., Ferrington, L.C, Hartzell, P.L, Jackson, S., Larsen, D.P, Lévesque, C.A, Morse, J.C, Petersen, M.J, Ruiter, D., Schindel, D., Whiting, M., (2010). Assessing macroinvertebrate biodiversity in freshwater ecosystems: advances and challenges in DNA‐based approaches. The Quarterly Review of Biology, 85:3, 319-340. doi: 10.1086/655118
• Hawkins, C.P, CAO, Y., ROPER, B., (2010). Method of predicting reference condition biota affects the performance and interpretation of ecological indices. Freshwater Biology, 55:5, 1066-1085. doi: 10.1111/j.1365-2427.2009.02357.x
• Hawkins, C.P, Olson, J.R, Hill, R.A, (2010). The reference condition: predicting benchmarks for ecological and water-quality assessments. Journal of the North American Benthological Society, 29:1, 312-343. doi: 10.1899/09-092.1
• Ode, P.R, Hawkins, C.P, Mazor, R.D, (2008). Comparability of biological assessments derived from predictive models and multimetric indices of increasing geographic scope. Journal of the North American Benthological Society, 27:4, 967-985. doi: 10.1899/08-051.1
• Paulsen, S.G, Mayio, A., Peck, D.V, Stoddard, J.L, Tarquinio, E., Holdsworth, S.M, Sickle, J.V, Yuan, L.L, Hawkins, C.P, Herlihy, A.T, Kaufmann, P.R, Barbour, M.T, Larsen, D.P, Olsen, A.R, (2008). Condition of stream ecosystems in the US: an overview of the first national assessment. Journal of the North American Benthological Society, 27:4, 812-821. doi: 10.1899/08-098.1
• Yuan, L.L, Hawkins, C.P, Sickle, J.V, (2008). Effects of regionalization decisions on an O/E index for the US national assessment. Journal of the North American Benthological Society, 27:4, 892-905. doi: 10.1899/07-153.1
• Herlihy, A.T, Paulsen, S.G, Sickle, J.V, Stoddard, J.L, Hawkins, C.P, Yuan, L.L, (2008). Striving for consistency in a national assessment: the challenges of applying a reference-condition approach at a continental scale. Journal of the North American Benthological Society, 27:4, 860-877. doi: 10.1899/08-081.1
• Paulsen, S.G, Hawkins, C.P, Van Sickle, J., Yuan, L.L, (2008). An invitation to apply national survey data to ecological research. Journal of the North American Benthological Society27, 1017‐1018.
• Hawkins, C.P, (2008). Land use and the structure of western USA stream invertebrate assemblages: O/E and ecological traits. Journal of the North American Benthological Society27, 986‐ 999.
• Hogue, J.N, Hawkins, C.P, (2008). Notes on the distribution of the mayfly Caudatella edmundsi (Allen, 1959) (Ephemeroptera: Ephemerellidae). Pan‐Pacific Entomologist84, 150‐154.
• Hawkins, C.P, Paulsen, S.G, Van Sickle, J., Yuan, L.L, (2008). Regional assessments of stream ecological condition: scientific challenges associated with the USA’s national Wadeable Stream Assessment. Journal of the North American Benthological Society27, 807‐808.
• Creutzburg, B.R, Hawkins, C.P, (2008). What do J‐NABS papers tell us about the current state of knowledge in freshwater benthic science?. Journal of the North American Benthological Society27, 593‐604.
• Carlisle, D.M, Hawkins, C.P, Meador, M.R, Potapova, M., Falcone, J., (2008). Biological assessments of Appalachian streams based on predictive models for fish, macroinvertebrate, and diatom assemblages. Journal of the North American Benthological Society, 27:1, 16-37. doi: 10.1899/06-081.1
• Hargett, E.G, Zumbrerge, J.R, Hawkins, C.P, Olson, J.R, (2007). evelopment of a RIVPACS‐type predictive model for bioassessment of wadeable streams in Wyoming. Ecological Indicators7, 807‐ 826.
• Van Sickle, J., Larsen, D.P, Hawkins, C.P, (2007). Exclusion of rare taxa affects the performance of the O/E index in bioassessments. Journal of the North American Benthological Society26, 319‐331.
• Cao, Y., Hawkins, C.P, Larsen, D., Van Sickle, J., (2007). Standardizing sampling effort on autosimilarity for comparing assemblages: effect of species‐occurrence and species‐abundance distributions. American Naturalist170, 381‐395.
• Cao, Y., Hawkins, C.P, Larsen, D.P, Van Sickle, J., (2007). Effects of sample standardization on mean species detectabilities and estimates of relative differences in species richness among assemblages. The American Naturalist, 170:3, 381-395. doi: 10.1086/520117
• Cao, Y., Hawkins, C.P, Olson, J., Kosterman, M.A, (2007). Modeling natural environmental gradients improves the accuracy and precision of diatom-based indicators. Journal of the North American Benthological Society, 26:3, 566-585. doi: 10.1899/06-078.1
• Rehn, A.C, Ode, P.R, Hawkins, C.P, (2007). Comparisons of targeted-riffle and reach-wide benthic macroinvertebrate samples: implications for data sharing in stream-condition assessments. Journal of the North American Benthological Society, 26:2, 332-348. doi: 10.1899/0887-3593(2007)26[332:cotarb]2.0.co;2
• Hawkins, C.P, (2006). Maintaining and restoring the ecological Integrity of freshwater ecosystems: improving management by refining biological assessments. Ecological Applications16, 1249‐1250.
• Hawkins, C.P, (2006). Quantifying biological integrity by taxonomic completeness: evaluation of a potential indicator for use in regional‐ and global‐scale assessments. Ecological Applications16, 1251‐1266.
• Stoddart, J.L, Larsen, P., Hawkins, C.P, Johnson, R.K, Norris, R.H, (2006). Setting expectations for the ecological condition of running waters: the concept of reference condition. Ecological Applications16, 1267‐1276.
• de Zwart, D., Dyer, S.D, Posthuma, L., Hawkins, C.P, (2006). Use of predictive models to attribute potential effects of mixture toxicity and habitat alteration on the biological condition of fish assemblages. Ecological Applications16, 1295‐1310.
• de Zwart, D., Dyer, S.D, Posthuma, L., Hawkins, C.P, (2006). Predictive models attribute effects on fish assemblages to toxicity and habitat alteration. Ecological Applications, 16:4, 1295-1310. doi: 10.1890/1051-0761(2006)016[1295:pmaeof]2.0.co;2
• Hawkins, C.P, (2006). Quantifying biological integrity by taxonomic completeness: its utility in regional and global assessments. Ecological Applications, 16:4, 1277-1294. doi: 10.1890/1051-0761(2006)016[1277:qbibtc]2.0.co;2
• Stoddard, J.L, Larsen, D.P, Hawkins, C.P, Johnson, R.K, Norris, R.H, (2006). Setting expectations for the ecological condition of streams: the concept of reference condition. Ecological Applications, 16:4, 1267-1276. doi: 10.1890/1051-0761(2006)016[1267:seftec]2.0.co;2
• de Zwart, D., Dyer, S.D, Posthuma, L., Hawkins, C.P, (2006). Predictive models attribute effects on fish assemblages to toxicity and habitat alteration.. Ecological applications : a publication of the Ecological Society of America, 16:4, 1295-310.
• Hawkins, C.P, (2006). Quantifying biological integrity by taxonomic completeness: its utility in regional and global assessments.. Ecological applications : a publication of the Ecological Society of America, 16:4, 1277-94.
• Stoddard, J.L, Larsen, D.P, Hawkins, C.P, Johnson, R.K, Norris, R.H, (2006). Setting expectations for the ecological condition of streams: the concept of reference condition.. Ecological applications : a publication of the Ecological Society of America, 16:4, 1267-76.
• SICKLE, J.V, HUFF, D.D, Hawkins, C.P, (2006). Selecting discriminant function models for predicting the expected richness of aquatic macroinvertebrates. Freshwater Biology, 51:2, 359-372. doi: 10.1111/j.1365-2427.2005.01487.x
• Knapp, R.A, Hawkins, C.P, Ladua, J., Garton, J.A, (2005). Fauna of Yosemite National Park lakes has low resistance but high resilience to fish introductions. Ecological Applications15, 835‐847.
• CAO, Y., Hawkins, C.P, (2005). Simulating biological impairment to evaluate the accuracy of ecological indicators. Journal of Applied Ecology, 42:5, 954-965. doi: 10.1111/j.1365-2664.2005.01075.x
• CAO, Y., Hawkins, C.P, STOREY, A.W, (2005). A method for measuring the comparability of different sampling methods used in biological surveys: implications for data integration and synthesis. Freshwater Biology, 50:6, 1105-1115. doi: 10.1111/j.1365-2427.2005.01377.x
• Van Sickle, J., Hawkins, C.P, Larsen, D.P, Herlihy, A.T, (2005). A null model for the expected macroinvertebrate assemblage in streams. Journal of the North American Benthological Society, 24:1, 178-191. doi: 10.1899/0887-3593(2005)0242.0.co;2
• Ostermiller, J.D, Hawkins, C.P, (2004). Effects of sampling error on bioassessments of stream ecosystems: application to RIVPACS-type models. Journal of the North American Benthological Society, 23:2, 363-382. doi: 10.1899/0887-3593(2004)0232.0.co;2
• Vinson, M.R, Hawkins, C.P, (2003). Broad‐scale geographical patterns in local stream insect genera richness. Ecography, 26:6, 751-767. doi: 10.1111/j.0906-7590.2003.03397.x
• Cao, Y., Hawkins, C.P, Vinson, M.R, (2003). Measuring and controlling data quality in biological assemblage surveys with special reference to stream benthic macroinvertebrates. Freshwater Biology48, 1898‐1911.
• Hawkins, C.P, Norris, R.H, Hogue, J.N, Feminella, J.W, (2000). Development and evaluation of predictive models for measuring the biological integrity of streams. Ecological Applications10, 1456‐ 1477.
• Horan, D.L, Kershner, J.L, Hawkins, C.P, Crowl, T.A, (2000). Effects of habitat area and complexity on Colorado River cutthroat torut density in Uinta Mountain Streams. Transactions of the American Fisheries Society, 129, 1250-1263.
• Hawkins, C.P, Norris, P.H, Gerritsen, J., Hughes, R.M, Jackson, S.K, Johnson, R.H, Stevenson, R.J, (2000). Evaluation of landscape classifications for biological assessment of freshwater ecosystems: synthesis and recommendations. Journal of the North American Benthological Society19, 541‐556.
• Norris, R.H, Hawkins, C.P, (2000). Monitoring river health. Hydrobiologia, 435:1/3, 5-17. doi: 10.1023/a:1004176507184
• Norris, R.H, Hawkins, C.P, (2000). Monitoring river health. Hydrobiologia435, 5‐17.
• Hawkins, C.P, Norris, R.H, (2000). Performance of different landscape classifications for aquatic bioassessments: introduction to the series. Journal of the North American Benthological Society19, 367‐369.
• Horan, D.L, Kershner, J.L, Hawkins, C.P, Crowl, T.A, (2000). Effects of habitat area and complexity on Colorado River Cutthroat Trout density in Uinta Mountain streams. Transactions of the American Fisheries Society, 129:6, 1250-1263. doi: 10.1577/1548-8659(2000)129<1250:eohaac>2.0.co;2
• Hawkins, C.P, Norris, R.H, Hogue, J.N, Feminella, J.W, (2000). Development and evaluation of predictive models for measuring the biological integrity of stream ecosystems. Ecological Applications, 10:5, 1456-1477. doi: 10.1890/1051-0761(2000)010[1456:daeopm]2.0.co;2
• Hawkins, C.P, Norris, R.H, Gerritsen, J., Hughes, R.M, Jackson, S.K, Johnson, R.K, Stevenson, R.J, (2000). Evaluation of the use of landscape classifications for the prediction of freshwater biota: synthesis and recommendations. Journal of the North American Benthological Society, 19:3, 541-556. doi: 10.2307/1468113
• Hawkins, C.P, Vinson, M.R, (2000). Weak correspondence between landscape classifications and stream invertebrate assemblages: implications for bioassessment. Journal of the North American Benthological Society, 19:3, 501-517. doi: 10.2307/1468111
• Carlisle, D.M, Hawkins, C.P, (1998). Relationship between invertebrate assemblage structure, 2 trout species, and habitat structure in Utah mountain lakes. Journal of the North American Benthological Society, 17:3, 286-300. doi: 10.2307/1468332
• Converse, Y.K, Hawkins, C.P, Valdez, R.A, (1998). Habitat relationships of subadult humpback chub in the Colorado River through Grand Canyon: spatial variability and implications of flow regulation. Regulated Rivers: Research &amp; Management, 14:3, 267-284. doi: 10.1002/(sici)1099-1646(199805/06)14:33.0.co;2-5
• Vinson, M.R, Hawkins, C.P, (1998). Biodiversity of stream insects: variation at local, basin, and regional spatial scales. Annual Review of Entomology, 43:1, 271-293. doi: 10.1146/annurev.ento.43.1.271
• Vinson, M.R, Hawkins, C.P, (1998). Biodiversity of stream insects: variation at local, basin, and regional scales.. Annual review of entomology, 43, 271-93.
• Hawkins, C.P, Hogue, J.N, Decker, L.M, Feminella, J.W, (1997). Channel morphology, water temperature, and assemblage structure of stream insects. Journal of the North American Benthological Society, 16:4, 728-749. doi: 10.2307/1468167
• O'Neill, M.P, Schmidt, J.C, Dobrowolski, J.P, Hawkins, C.P, Neale, C.M, (1997). Identifying sites for riparian wetland restoration: application of a model to the Upper Arkansas River Basin. Restoration Ecology, 5:4S, 85-102. doi: 10.1111/j.1526-100x.1997.00085.x
• Goodwin, C.N, Hawkins, C.P, Kershner, J.L, (1997). Riparian restoration in the western United States: overview and perspective. Restoration Ecology, 5:4S, 4-14. doi: 10.1111/j.1526-100x.1997.00004.x
• Russell, G.D, Hawkins, C.P, O'Neill, M.P, (1997). The role of GIS in selecting sites for riparian restoration based on hydrology and land use. Restoration Ecology, 5:4S, 56-68. doi: 10.1111/j.1526-100x.1997.00056.x
• Hawkins, C.P, Bartz, K.L, Neale, C.M, (1997). Vulnerability of riparian vegetation to catastrophic flooding: implications for riparian restoration. Restoration Ecology, 5:4S, 75-84. doi: 10.1111/j.1526-100x.1997.00075.x
• Vinson, M.R, Hawkins, C.P, (1996). Effects of sampling area and subsampling procedure on comparisons of taxa richness among streams. Journal of the North American Benthological Society, 15:3, 392-399. doi: 10.2307/1467286
• Feminella, J.W, Hawkins, C.P, (1995). Interactions between stream herbivores and periphyton: a quantitative analysis of past experiments. Journal of the North American Benthological Society, 14:4, 465-509. doi: 10.2307/1467536
• Filbert, R.B, Hawkins, C.P, (1995). Variation in condition of Rainbow Trout in relation to food, temperature, and Individual length in the Green River, Utah. Transactions of the American Fisheries Society, 124:6, 824-835. doi: 10.1577/1548-8659(1995)1242.3.co;2
• Feminella, J.W, Hawkins, C.P, (1994). Tailed frog tadpoles differentially alter their feeding behavior in response to non-visual cues from four predators. Journal of the North American Benthological Society, 13:2, 310-320. doi: 10.2307/1467249
• Hawkins, C.P, Kershner, J.L, Bisson, P., Bryant, M., Decker, L., Gregory, S.V, McCullough, D.A, Overton, K., Reeves, G., Steedman, R., Young, M., (1993). A hierarchical approach to classifying stream habitat features. Fisheries, 18:6, 3-12. doi: 10.1577/1548-8446(1993)0182.0.co;2
• Lamberti, G.A, Gregory, S.V, Hawkins, C.P, Wildlman, R.C, Ashkenas, L.R, Denicola, D.M, (1992). Plant-herbivore interactions in streams near Mt. St. Helens. Freshwater Biology27, 237-247.
• Hawkins, C.P, Sedell, J.R, (1991). The role of refugia in the recolonization of streams devastated by the 1980 eruption of Mt. St. Helens. Northwest Science64, 271-274.
• Hogue, J.N, Hawkins, C.P, (1991). Morphological variation in adult aquatic insects: associations with developmental temperature and seasonal growth patterns. Journal of the North American Benthological Society, 10:3, 309-321. doi: 10.2307/1467604
• Aumen, N.G, Hawkins, C.P, Gregory, S.V, (1990). Influence of woody debris on nutrient retention in catastrophically disturbed streams. Hydorbiologia190, 183-192.
• Sedell, J.R, Reeves, G.H, Hauer, F.R, Stanford, J.A, Hawkins, C.P, (1990). Role of refugia in recovery from disturbances: Modern fragmented and disconnected river systems. Environmental Management, 14:5, 711-724. doi: 10.1007/bf02394720
• Hawkins, C.P, MacMahon, J., (1989). Guilds: the multiple meanings of a concept. Annual Review of Entomology34, 423-451.
• Benke, A.C, Hall, C.A, Hawkins, C.P, Lowe-McConnell, R.H, Stanford, J.A, Suberkropp, K., Ward, J.V, (1988). Bioenergetic considerations in the analysis of stream ecosystems. Joun7, 480-502.
• Hawkins, C.P, Gottshalk, L.J, Brown, S.S, (1988). Densities of tailed frog tadpoles in small streams following watershed disturbance. Journal of the North American Benthological Society4, 246-252.
• Hawkins, C.P, (1988). Effects of watershed vegetation and disturbance on invertebrate community structure in western Cascade streams: implications for stream ecosystem theory. Verh. Internat. Verein. Limnol.23, 1167-1173.
• Hawkins, C.P, Gottschalk, L.J, Brown, S.S, (1988). Densities and habitat of Tailed Frog tadpoles in small streams near Mt. St. Helens following the 1980 eruption. Journal of the North American Benthological Society, 7:3, 246-252. doi: 10.2307/1467424
• Hawkins, C.P, Furnish, J.K, (1987). Are snails important competitors in stream ecosystems of the Pacific Northwest (USA). Oikos49, 209-220.
• Hawkins, C.P, (1986). Variation in individual growth rates and population abundances of ephemerellid mayflies. Ecology, 67:5, 1384-1395. doi: 10.2307/1938694
• BEHMER, D.J, Hawkins, C.P, (1986). Effects of overhead canopy on macroinvertebrate production in a Utah stream. Freshwater Biology, 16:3, 287-300. doi: 10.1111/j.1365-2427.1986.tb00972.x
• Hawkins, C.P, (1984). Substrate associations and longitudinal distribution in species of Ephemerllidae (Insecta: Ephemeroptera) from western Oregon. Freshwater Invertebrate Biology3, 181-188.
• Harper, F., Hawkins, C.P, (1984). Description of the imagines of<i>Ephemerella verruca</i>Allen and edmunds (Ephemeroptera: Ephemerellidae)¹. Aquatic Insects, 6:1, 13-16. doi: 10.1080/01650428409361157
• Hawkins, C.P, Murphy, M.L, Anderson, N.H, Wilzbach, M.A, (1983). Density of fish and salamanders in relation to riparian canopy and physical habitat in streams of the northwestern United States. Canadian Journal of Fisheries and Aquatic Sciences, 40:8, 1173-1185. doi: 10.1139/f83-134
• Hawkins, C.P, Murphy, M.L, Anderson, N.H, (1982). Effects of canopy, substrate composition, and gradient on the structure of macro-invertebrate communities in Cascade Range streams of Oregon. Ecology, 63:6, 1840. doi: 10.2307/1940125
• Murphy, M.L, Hawkins, C.P, Anderson, N.H, (1981). Effects of canopy modification and accumulated sediment on stream communities. Transactions of the American Fisheries Society, 110:4, 469-478. doi: 10.1577/1548-8659(1981)1102.0.co;2
• Hawkins, C.P, Sedell, J.R, (1981). Longitudinal and seasonal changes in functional organization of macroinvertebrate communities in four Oregon streams. Ecology, 62:2, 387-397. doi: 10.2307/1936713

An asterisk (*) at the end of a publication indicates that it has not been peer-reviewed.

Publications | Technical Reports

Other Reports

• Paulsen, S., Hawkins, C.P, (2006). Wadeable Streams Assessment: a Collaborative Survey of the Nation's Streams. United States Environmental Protection Agency Office of Water
• Stoddard, J.L, Peck, D.V, Olsen, A.R, Larsen, D.P, Van Sickle, J., Hawkins, C.P, Hughes, R.M, Whittier, T.R, Lomnicky, G., Herlihy, A.T, Kaufmann, P.R, Peterson, S.A, Ringold, P.L, Paulsen, S.G, Blair, R., (2005). Environmental Monitoring and Assessment Program (EMAP). Western Streams and Rivers Statistical Summary. United States Environmental Protection Agency, Office of Research Development.
• Dickson, K.L, Burton, G.A, Grothe, D., Hawkins, C.P, (1997). Technical expert panel report EPA 305(b) aquatic life use support (ALUS) workshop - Washington, D.C., August 12-14, 1997.
• Hawkins, C.P, (1994). Cumulative watershed effects: an extensive analysis of responses by stream biota to watershed management. Final Report to USDA Forest Service, Region 5 (California)
• Wurtsbaugh, W.A, Hawkins, C.P, (1990). Trophic interactions between fish and invertebrates in Bear Lake, Utah-Idaho. Final Report to the Utah Division of Wildlife Resources

An asterisk (*) at the end of a publication indicates that it has not been peer-reviewed.

Publications | Other

Bulletins

• Hawkins, C.P, (1986). Pseudo-understanding of pseudoreplication. Bulletin of the Ecological Society of America *

Other

• Hawkins, C.P, (1994). What are riparian ecosystems and why are we worred about them?. Natural Resources and Environmental Issues
• Hawkins, C.P, Dobrowolski, J., McDonnell, J.J, O'Neill, M., (1992). Interdisciplinary education in Watershed Science: a natural resources perspective: Hydrology and Water Resources Education, Training, and Mangement. Water Resources Publications, Symposium on Hydrology and Water Resources Education and Training: the Challenges to Meet at the Turn of the Century. Chihuahua, Mexico

An asterisk (*) at the end of a publication indicates that it has not been peer-reviewed.