| Comparison of factors controlling phytoplankton productivity in the NE and NW subarctic Pacific gyres PJ Harrison, PW Boyda, DE Varela, S Takeda, A Shiomoto, T Odate Progress in Oceanography 43 (2-4), 205-234, 1999 | 281 | 1999 |
| In vitro iron enrichment experiments in the NE subarctic Pacific PW Boyd, DL Muggli, DE Varela, RH Goldblatt, R Chretien, KJ Orians, ... Marine Ecology Progress Series 136, 179-193, 1996 | 240 | 1996 |
| Effects of temperature on growth rate, cell composition and nitrogen metabolism in the marine diatom Thalassiosira pseudonana (Bacillariophyceae) JA Berges, DE Varela, PJ Harrison Marine Ecology Progress Series 225, 139-146, 2002 | 211 | 2002 |
| Biological fractionation of silicon isotopes in Southern Ocean surface waters DE Varela, CJ Pride, MA Brzezinski Global biogeochemical cycles 18 (1), 2004 | 200 | 2004 |
| Dynamics of silicon metabolism and silicon isotopic discrimination in a marine diatom as a function of pCO2 FMMM AJ Milligan, DE Varela, MA Brzezinski Limnol. Oceanogr., 49 (2) 329. 322, 2004 | 197* | 2004 |
| Current state and trends in Canadian Arctic marine ecosystems: I. Primary production JÉ Tremblay, D Robert, DE Varela, C Lovejoy, G Darnis, RJ Nelson, ... Climatic Change 115, 161-178, 2012 | 168 | 2012 |
| Species-dependent silicon isotope fractionation by marine diatoms JN Sutton, DE Varela, MA Brzezinski, CP Beucher Geochimica et Cosmochimica Acta 104, 300-309, 2013 | 137 | 2013 |
| Seasonal variability in nitrogenous nutrition of phytoplankton assemblages in the northeastern subarctic Pacific Ocean DE Varela, PJ Harrison Deep Sea Research Part II: Topical Studies in Oceanography 46 (11-12), 2505-2538, 1999 | 133 | 1999 |
| Decadal trends in phytoplankton production in the Pacific Arctic Region from 1950 to 2012 V Hill, M Ardyna, SH Lee, DE Varela Deep Sea Research Part II: Topical Studies in Oceanography 152, 82-94, 2018 | 99 | 2018 |
| Seasonal and interannual variability in phytoplankton and nutrient dynamics along Line P in the NE subarctic Pacific MA Pena, DE Varela Progress in Oceanography 75 (2), 200-222, 2007 | 87 | 2007 |
| The NE subarctic Pacific in winter: I. Biological standing stocks PW Boyd, S Strom, FA Whitney, S Doherty, ME Wen, PJ Harrison, ... Marine Ecology Progress Series 128, 11-24, 1995 | 86 | 1995 |
| Effect of ammonium on nitrate utilization by Emiliania huxleyi, a coccolithophore from the oceanic northeastern Pacific DE Varela, PJ Harrison Marine Ecology Progress Series 186, 67-74, 1999 | 74 | 1999 |
| The inorganic carbon system in the coastal upwelling region west of Vancouver Island, Canada D Ianson, SE Allen, SL Harris, KJ Orians, DE Varela, CS Wong Deep Sea Research Part I: Oceanographic Research Papers 50 (8), 1023-1042, 2003 | 68 | 2003 |
| Pelagic primary productivity and upper ocean nutrient dynamics across Subarctic and Arctic Seas DE Varela, DW Crawford, IA Wrohan, SN Wyatt, EC Carmack Journal of Geophysical Research: Oceans 118 (12), 7132-7152, 2013 | 64 | 2013 |
| Iron and silicic acid effects on phytoplankton productivity, diversity, and chemical composition in the central equatorial Pacific Ocean A Marchetti, DE Varela, VP Lance, VP Lance, M Palmucci, M Giordano, ... Limnology and Oceanography 55 (1), 11-29, 2010 | 59 | 2010 |
| Variations of phytoplankton productivity and biomass over an annual cycle in Saanich Inlet, a British Columbia fjord DS Grundle, DA Timothy, DE Varela Continental Shelf Research 29 (19), 2257-2269, 2009 | 56 | 2009 |
| Nutrient and phytoplankton dynamics off the west coast of Vancouver Island during the 1997/98 ENSO event SL Harris, DE Varela, FW Whitney, PJ Harrison Deep Sea Research Part II: Topical Studies in Oceanography 56 (24), 2487-2502, 2009 | 49 | 2009 |
| A decade of summertime measurements of phytoplankton biomass, productivity and assemblage composition in the Pacific Arctic Region from 2006 to 2016 KE Giesbrecht, DE Varela, J Wiktor, JM Grebmeier, B Kelly, JE Long Deep Sea Research Part II: Topical Studies in Oceanography 162, 93-113, 2019 | 38 | 2019 |
| Combined effects of temperature and salinity on fatty acid content and lipid damage in Antarctic phytoplankton M Hernando, IR Schloss, GO Almandoz, G Malanga, DE Varela, ... Journal of Experimental Marine Biology and Ecology 503, 120-128, 2018 | 35 | 2018 |
| Spatial patterns in abundance, taxonomic composition and carbon biomass of nano-and microphytoplankton in Subarctic and Arctic Seas DW Crawford, AO Cefarelli, IA Wrohan, SN Wyatt, DE Varela Progress in Oceanography 162, 132-159, 2018 | 35 | 2018 |
