| The natural flow regime NLR Poff, JD Allan, MB Bain, JR Karr, KL Prestegaard, BD Richter, ... BioScience 47 (11), 769-784, 1997 | 6192 | 1997 |
| Assessment of biotic integrity using fish communities JR Karr Fisheries 6 (6), 21-27, 1981 | 3409 | 1981 |
| Biological Integrity JR Karr Encyclopedia of Ecology 1, 408-412, 2008 | 2058* | 2008 |
| Biological integrity: a long‐neglected aspect of water resource management JR Karr Ecological applications 1 (1), 66-84, 1991 | 2058 | 1991 |
| Assessing biological integrity in running waters JR Karr, KD Fausch, PL Angermeier, PR Yant, IJ Schlosser A method and its rationale. Illinois Natural History Survey, Champaign …, 1986 | 2008* | 1986 |
| Assessing biological integrity in running waters: a method and its rationale JR Karr Special publication/Illinois Natural History Survey (USA), 1986 | 1968 | 1986 |
| Restoring life in running waters: better biological monitoring JR Karr, EW Chu Island Press, 1998 | 1634 | 1998 |
| Habitat structure and stream fish communities OT Gorman, JR Karr Ecology 59 (3), 507-515, 1978 | 1408 | 1978 |
| Ecological perspective on water quality goals JR Karr, DR Dudley Environmental management 5 (1), 55-68, 1981 | 1382 | 1981 |
| Biological integrity versus biological diversity as policy directives: protecting biotic resources PL Angermeier, JR Karr BioScience 44 (10), 690-698, 1994 | 824 | 1994 |
| Defining and measuring river health JR Karr Freshwater biology 41 (2), 221-234, 1999 | 816 | 1999 |
| A benthic index of biotic integrity (B‐IBI) for rivers of the Tennessee Valley BL Kerans, JR Karr Ecological applications 4 (4), 768-785, 1994 | 747 | 1994 |
| Fish communities as indicators of environmental degradation KD Fausch, J Lyons, JR Karr, PL Angermeier American fisheries society symposium 8 (1), 123-144, 1990 | 691 | 1990 |
| Patch dynamics in lotic systems: the stream as a mosaic CM Pringle, RJ Naiman, G Bretschko, JR Karr, MW Oswood, JR Webster, ... Journal of the North American Benthological Society 7 (4), 503-524, 1988 | 661 | 1988 |
| Density compensation in island faunas RH MacArthur, JM Diamond, JR Karr Ecology 53 (2), 330-342, 1972 | 635 | 1972 |
| Water resources and the land-water interface JR Karr, IJ Schlosser Science 201 (4352), 229-234, 1978 | 598 | 1978 |
| Regional application of an index of biotic integrity based on stream fish communities KD Fausch, JR Karr, PR Yant Transactions of the American Fisheries Society 113 (1), 39-55, 1984 | 549 | 1984 |
| Relationships between woody debris and fish habitat in a small warmwater stream PL Angermeier, JR Karr Transactions of the American Fisheries society 113 (6), 716-726, 1984 | 538 | 1984 |
| Assessing invertebrate responses to human activities: evaluating alternative approaches LS Fore, JR Karr, RW Wisseman Journal of the North American Benthological Society 15 (2), 212-231, 1996 | 532 | 1996 |
| Vegetation structure and avian diversity in several New World areas JR Karr, RR Roth The American Naturalist 105 (945), 423-435, 1971 | 527 | 1971 |