Sudeep Chandra, Ph.D.

Associate Professor
Sudeep Chandra

Contact Information


  • Ph.D., University of California, Davis, 2003
  • B.S., University of California, Davis, 1996


Our laboratory conducts limnological studies related to the restoration or conservation of aquatic ecosystems. My projects include recovering native species, managing nonnative species, understanding the affects of land use change (mining, urbanization, etc) on water quality, and developing natural resource management & conservation plans for the world's largest, freshwater fishes. We recognize that science is critical in developing longer-term, sustainable public policy.


  • Cowart, DA*, MA Renshaw, CA Gantz, J Umek, S Chandra, SP Egan, DM Lodge, and ER Larson. (Accepted). Development and field validation of an environmental DNA (eDNA) assay for the invasive Asian clam, Corbicula fluminea (Müller, 1774). Conservation Genetics.
  • Johnson, BE*, P Noble, AC Heyvaert, S Chandra, and R Karlin. 2016. Anthropogenic and climatic influences on the diatom flora within the Fallen Leaf Lake watershed, Lake Tahoe Basin, California over the last millennium. Journal of Paleolimnology. 1-15. doi:10.1007/s10933-017-9961-3
  • Larson, ER, MA Renshaw, CA Gantz, J Umek*, S Chandra, DM Lodge, and SP Egan. Environmental DNA (eDNA) detects the invasive crayfishes Orconectes rusticus and Pacifastacus leniusculus in large lakes of North America. Hydrobiologia (2017) 800:173-185 DOI 10.1007/s10750-017-3210-7
  • Brett, MT, SE Bunn, S Chandra, AW Galloway, F Guo, MJ Kainz, P Kankaala, DC Lau, TP Moulton, ME Power, JB Rasmussen, SJ Taipale JH Thorp, and JD Wehr, 2017. How important are terrestrial organic carbon inputs for secondary production in freshwater ecosystems? Freshwater Biology. 62(5): 1365-2427. DOI: 10.1111/fwb.12909
  • Piovia Scott, J, S Sadro, R Knapp, J Sickman, K Pope, and S Chandra. 2016. Variation in reciprocal subsidies between lakes and land: perspectives from the mountains of California. Canadian Journal of Fisheries and Aquatic Sciences. 73: 1691-1701.

  • Caires*, A, S Chandra, R Nelson. Unique reproductive characteristics of Lake Tahoe's Capnia lacustra (Plecoptera: Capniidae), a stonefly in decline. Freshwater Science. 35(4): 1291-1299.
  • Williamson, CE, EP Overholt, JA Brentrup, RM Pilla, TH Leach, G Schladow, JD Warren, SS Urmy S Sadro, S Chandra J Neale. 2016. Sentinel responses to droughts, wildfires, and floods: effects of UV radiation on lakes and their ecosystem services. Frontiers in Ecology and the Environment. 14(2): 1540 102-109.
  • Kraemer, B*, S Chandra, AI Dell, M Dix, E Kuusisto, D Livingstone, G Schladow, E Silow, L Sitoki, R Tamatamah, P McIntyre. 2017. Global patterns in lake ecosystem responses to warming based on the temperature dependence of metabolism. Global Change Biology.
  • Kraemer, B*, O Anneville, S Chandra, M Dix, E Kuusisto, D Livingstone, A Rimmer, SG Schladow, E Silow, L Sitoki, R Tamatamah, Y Vadeboncoeur, P McIntyre. 2015. Morphometry and average temperature affect lake stratification responses to climate change. Geophysical Research Letters. 42(12): 4981.
  • Wittmann, M., Chandra, S., Boyd, K., Jerde, C. 2015. Implementing invasive species control: a case study of multi-jurisdictional coordination at Lake Tahoe, USA. Management of Biological Invasions, 6(4), 319-328.
  • Davis, C, E Ruhmann, K Acharya, S Chandra, C Jerde. 2015. Successful survival, growth, and reproductive potential of quagga mussels in low calcium lake water: is there uncertainty of establishment risk?
  • Peer J Hayford, B, A Caires, S Chandra, S Girdner. 2015. Patterns in benthic diversity link lake trophic status to structure and potential function of three large, deep lakes. PLoS ONE. 10(1): e0117024. doi:10.1371/journal.pone.0117024
  • Corman, J*, E Carlson*, M Dix, N Girón, A Roegner*, J Veselá*, S Chandra, J Elser, E Rejmánková. 2015. Nutrient dynamics and phytoplankton resource limitation in a deep tropical mountain lake. Journal of Inland Waters. 5(4): 371-386.
  • Young, T*, O Jensen, B Weidel, S Chandra. 2015. Natural trophic variability in a large, oligotrophic, near-pristine lake. Journal of Great Lakes Research. 41(2): 463-472.
    Crootof A*, N Mullabaev*, L Saito, L Atwell, M Rosen, M Bekchonova*, E Ginatullina*, J Scott*, S Chandra, B Nishonov, JP Lamers, D Fayzieva. 2015. Hydroecological condition and potential for aquaculture in lakes of the arid region of Khorezm, Uzbekistan. Journal of Arid Environments 117:37-46.
  • Hoyer A*, M Wittmann, S Chandra, G Schladow, F Rueda. 2014. A 3D individual-based aquatic transport model for the assessment of the potential dispersal of planktonic larvae of an invasive bivalve. Journal of Environmental Management. 145: 330-340.
  • Inouye R, R Gholz, M Kane, S Chandra, and L Deegan. 2013. Coreview of proposals in the Division of Environmental Biology, National Science Foundation. Bulletin: Ecological Society of America. 94: 164-169.
  • Rios, D., Chandra, S., Heyvaert, A. 2014. The importance of small urbanized watersheds to pollutant loading in a large oligotrophic subalpine lake of the western USA. Environmental Monitoring and Assessment: 186 11: 7893-7907.
  • Caires A, S Chandra, B Hayford, and M Wittmann*. 2013. Four decades of change: strong declines in the zoobenthos and plant community in a large lake. Freshwater Sciences. 32(3): 692-705.
  • Ngai KL*, BJ Shuter, DA Jackson, and S Chandra. 2013. Projecting impacts of climate change on surface water temperatures of a large subalpine lake: Lake Tahoe, USA. Climate change. 118(4): 841-855.
  • Brett M, G Arhonditis, S Chandra, and M Kainz. 2012. Mass flux calculations show strong allochthonous support of freshwater zooplankton production is not likely. PLoS ONE. 7(6): e39508.
  • Caires, A., Chandra, S. 2012, Conversion factors as determined by relative macroinvertebrate sampling efficiencies of four common benthic grab samplers., Journal of Freshwater Ecology, 27(1), 97-109.
  • Brett, M., Chandra, S., Archonditis, G., Kanz, M. 2012, Mass flux calculations show strong allochthonous support of freshwater zooplankton production is unlikely, PLoS ONE, 7(6), e39508
  • Denton, M., Chandra, S., Wittmann, M., Reuter, J., Baguley, J. 2012, Reproduction and Population Structure of Corbicula fluminea in an Oligotrophic, Subalpine Lake., Journal of Shellfish Research, 31(1), 145-152.
  • Wittmann, M., Chandra, S., Reuter, J., Schladow, G., Allen, B., Webb, K. 2012, The control of invasive bivalves using benthic barriers in a large natural lake. Environmental Management, 49(6), 1163-1173.
  • Vander Zanden, J., Vadeboncour, Y., Chandra, S. 2011, Fish reliance on littoral-benthic resources and the distribution of primary production in lakes, Ecosystems(14), 894-903.
  • Wittmann, M., Chandra, S., Caires, A., Denton, M., Rosen, M., Tietjen, T., Turner, K., Roeffer, P., Holdren, C. 2010, Early invasion population structure of quagga mussel and associated benthic invertebrate community composition on soft sediment in a large reservoir., Lake and Reservoir Management
  • Gilroy, D., Jensen, O., Allen, B., Chandra, S., Ganzorig, B., Hogan, Z. S., Maxted, J., Vander Zanden, J. 2010, Home Range and Seasonal Movement of Taimen, Hucho taimen, in Mongolia, Ecology of Freshwater Fish, 19, 545-554
  • Umek, J., Chandra, S., Wittmann, M., Rosen, M., Orsak, E. 2010, Importance of benthic production to fish populations in Lake Mead prior to the establishment of quagga mussels, Lake and Reservoir Management
  • Kamerath M*, S Chandra, and BC Allen. 2008, Distribution and impacts of warm water invasive fish in Lake Tahoe, California-Nevada, USA., Aquatic Invasions (1)3: 35-41
  • Chandra S and A. Gerhardt 2008, Invasive species in aquatic ecosystems: issue of global concern, Aquatic Invasions (1)3: 1-2.
  • Vander Zanden MJ, D Gilroy, B Allen, S Chandra, and Z Hogan 2008, Opening dates for recreational Hucho taimen fisheries in Mongolia based on simulation of spawning dates, Ecological Applications 17(8): 2281-2289
  • Saito L, C Redd, S Chandra, L Atwell, CH Fritsen, and MR Rosen 2007, Quantifying food web interactions with simultaneous linear equations: Stable isotope models of the Truckee River, USA., Journal of the North American Benthological Society 26(4): 642-662
  • Meckstroth A, K Miles, and S Chandra 2006, Assessing diets of introduced predators using analysis of stable isotopes and stomach contents, Journal of Wildlife Management 71(7): 2387-2392.
  • Vander Zanden MJ, S Chandra, SK Park, Y Vandeboncouer, and CR Goldman 2006, The relative efficiencies of benthic and pelagic trophic pathways in a subalpine lake., Canadian Journal of Fisheries and Aquatic Sciences 63(12): 2608-2620
  • Chandra S, MJ Vander Zanden, AC Heyvaert, BC Allen, and CR Goldman 2005, The effects of cultural eutrophication on the coupling between pelagic primary producers and benthic consumers., Limnology and Oceanography 50(5): 1368-1376
  • Chandra S and D Gilroy 2005, The feeding behavior of fish from the upper Lake Baikal watershed of the Eroo River in Mongolia, Journal of Mongolian Biological Sciences 3(1): 39-45
  • Park, SK, S Chandra, DC Müller-Navarra, & CR Goldman 2004, Diel and vertical variability of seston food quality and quantity in a small subalpine lake: implications to the diel vertical migration of zooplankton, Journal of Plankton Research 26(12): 1489-1498
  • Müller-Navarra, DC, MT Brett, SK Park, S Chandra, AP Ballantyne, E Zorita, and CR Goldman 2004, Unsaturated fatty acid content in seston and tropho-dynamic coupling in lakes, Nature 427(1): 69-72
  • Vander Zanden, MJ, S Chandra, BC Allen, JE Reuter, & CR Goldman 2003, Historical food web structure and restoration of native aquatic communities in Lake Tahoe (California-Nevada) basin, Ecosystems 6(3): 274-288
  • Book or Chapter(s) in Books
  • Umek J., S. Chandra, and J. Brownstein 2009, Limnology and food web structure of a large terminal lake ecosystem, Walker Lake (Nevada), In: A. Oren, D. Naftz, P. Palacios and W.A. Wurtsbaugh (eds). Saline Lakes Around the World: Unique Systems with Unique Values. Natural Resources and Environmental Issues, volume XV. S.J. and Jessie E. Quinney Natural Resources Research Library, Logan, Utah, USA.

Professional Papers

  • Chandra, S., Ngai, C., Umek, J., Chaon, B., Williamson, C., Tucker, A., Oris, J 2010, NICHES: Nearshore indicators for clarity, habitat and ecological sustainability., USFS Pacific Southwest Research Station & the Nevada Division of State Lands.

    Lake Tahoe's fishery is among one of the least studied of all the large lakes in the world. Over time there have been a variety of stressors (e.g. introduction of species, eutrophication, nearshore habitat modification), which may have impacted the fishery and only a limited amount of snapshot investigations have been conducted to investigate these impacts or determine the status of a particular species. With little to no information on the status of fishery, in particular the nearshore components where most of the native, littoral fish reside, we have compiled information to determine the status of the nearshore native and non-native fish community and if there are quantifiable indicators and methodologies that can be created to determine the condition of the nearshore fishery. Furthermore, we conducted experiments to determine if ultraviolet radiation (UV) can be used to link nearshore and non-native fish ecology to the physical environment.

Technical Publication

  • Jannusch, C., Chandra, S., Dudley, T., Chambers, J., Trowbridge, W. 2010, Meadow-Stream Processes and Aquatic Invertebrates Community Structure., In J. C. Chambers and J. R. Miller (Ed.), Geomorphology, Hydrology and Ecology of Great Basin Meadow Complexes: Implications for Management and Restoration.

    Upland Great Basin meadow ecosystems support regional biodiversity and provide numerous ecosystem services. These meadow systems face numerous forms of degradation and are in need of prioritization for conservation and rehabilitation. Previous work in the Basin broadly illustrates the relationship between aquatic invertebrates and riparian condition. This study examines the aquatic invertebrate community in relation to a riparian meadow processes along a fine spatial and temporal scale. We compared physical, chemical and biological data collected across seasons, within and beyond a meadow reach. For two out of three seasons invertebrate community structure was statistically different across meadow and non-meadow environments. Indicator metrics were temporally inconsistent as a means to identify candidate metrics for a multimetric index. During seasons with higher flows benthic community structure is distinct between a meadow and non-meadow reach. As surface flows decrease, vegetation-groundwater interactions have greater influence on stream conditions and invertebrate populations homogenize across reaches. Understanding the extent of nested population subsets at multiple meadow-streams may be useful in determining the appropriate scale to be examined by indicating distinct populations and, therefore, distinct environmental conditions.
  • Cobourn J, L Saito, J Brock, R Naranjo, R Susfalk, and S Chandra 2008, Groundwater-Surface Water Interactions Along the Truckee and Carson Rivers., University of Nevada Cooperative Extension. Special Publication-08-23


  • Chandra S, M Wittmann, A Caires, A Kolosovich, JE Reuter, G Schladow, and T Thayer 2009, An experiment test of quagga mussel survival and reproductive status using Lake Tahoe water, Tahoe Regional Planning Agency and the Lake Tahoe Aquatic Invasive Species Working Group.


  • Chandra S. (Invited speaker) 2009, Faith based approaches in conservation: A lasting Legacy or just a bunch of preaching?, International Nobel Peace Prize Forum. Carlton, Minnesota