| Sugar cane industry as a source of water pollution–Case study on the situation in Ipojuca River, Pernambuco, Brazil G Gunkel, J Kosmol, M Sobral, H Rohn, S Montenegro, J Aureliano Water, Air, and Soil Pollution 180, 261-269, 2007 | 231 | 2007 |
| Hydropower–A green energy? Tropical reservoirs and greenhouse gas emissions G Gunkel CLEAN–Soil, Air, Water 37 (9), 726-734, 2009 | 122 | 2009 |
| Mechanisms of bioaccumulation of a herbicide (atrazine, s-triazine) in a freshwater mollusc (Ancylus fluviatilis müll.) and a fish (Coregonus fera jurine) G Gunkel, B Streit Water Research 14 (11), 1573-1584, 1980 | 116 | 1980 |
| Bioindikation in aquatischen Ökosystemen: Bioindikation in limnischen und küstennahen Ökosystemen; Grundlagen, Verfahren und Methoden G Gunkel G. Fischer, 1994 | 112 | 1994 |
| Renaturierung kleiner Fließgewässer G Gunkel Fischer, 1996 | 101 | 1996 |
| The environmental and operational impacts of Curuá‐Una, a reservoir in the Amazon region of Pará, Brazil G Gunkel, U Lange, D Walde, JWC Rosa Lakes & Reservoirs: Research & Management 8 (3‐4), 201-216, 2003 | 72 | 2003 |
| Limnology of an equatorial high mountain lake—Lago San Pablo, Ecuador: the significance of deep diurnal mixing for lake productivity G Gunkel, J Casallas Limnologica 32 (1), 33-43, 2002 | 71 | 2002 |
| Bank filtration in the sandy littoral zone of Lake Tegel (Berlin): Structure and dynamics of the biological active filter zone and clogging processes A Hoffmann, G Gunkel Limnologica 41 (1), 10-19, 2011 | 68 | 2011 |
| Algunos aspectos limnológicos de un lago altoandino: el lago San Pablo, Ecuador J Casallas, G Gunkel Limnetica 20 (2), 215-232, 2001 | 63 | 2001 |
| Ecology of a high Andean stream, río Itambi, Otavalo, Ecuador PC Burneo, G Gunkel Limnologica 33 (1), 29-43, 2003 | 59 | 2003 |
| Limnología de un Lago Tropical de Alta Montaña, en Ecuador: Características de los sedimentos y tasa de sedimentación G Gunkel Revista de Biología Tropical 51 (2), 381-390, 2003 | 56 | 2003 |
| Limnology of an equatorial high mountain lake in Ecuador, Lago San Pablo G Gunkel Limnologica 30 (2), 113-120, 2000 | 52 | 2000 |
| Temperature effects on bank filtration: redox conditions and physical-chemical parameters of pore water at Lake Tegel, Berlin, Germany A Gross-Wittke, G Gunkel, A Hoffmann Journal of Water and Climate Change 1 (1), 55-66, 2010 | 44 | 2010 |
| Bioaccumulation of a herbicide (atrazine, s-triazine) in the whitefish (Coregonus fera J.): uptake and distribution of the residue in fish G Gunkel | 42 | 1981 |
| Las macrófitas de algunos lagos alto-andinos del Ecuador y su bajo potencial como bioindicadores de eutrofización B Kiersch, R Mühleck, G Gunkel Revista de biología tropical 52 (4), 829-837, 2004 | 38 | 2004 |
| Management of tropical river basins and reservoirs under water stress: experiences from Northeast Brazil ÉT Marques, G Gunkel, MC Sobral Environments 6 (6), 62, 2019 | 36 | 2019 |
| Limnology of the Crater Lake Cuicocha, Ecuador, a cold water tropical lake G Gunkel, C Beulker International Review of Hydrobiology 94 (1), 103-125, 2009 | 36 | 2009 |
| Hazards of volcanic lakes: analysis of Lakes Quilotoa and Cuicocha, Ecuador G Gunkel, C Beulker, B Grupe, F Viteri Advances in Geosciences 14, 29-33, 2008 | 31 | 2008 |
| Aquatic Ecosystem Services of Reservoirs in Semi-arid Areas: Sustainability and Reservoir Management. G Gunkel, D Lima, F Selge, M Sobral, S Calado Sustainabiltiy and Reservoir Management, La Coruna 197 (Transactions Ecol …, 2015 | 28 | 2015 |
| Riparian alder fens—source or sink for nutrients and dissolved organic carbon?—2. Major sources and sinks LB Busse, G Gunkel Limnologica 32 (1), 44-53, 2002 | 28 | 2002 |
