Ayron M. Strauch

Research Interests:
resource management and freshwater ecosystems
global change (climate/species invasion) impacts on watershed hydrology

water quality dynamics across social-ecological systems

  • 2010    Ph.D. Department of Biology, Tufts University, Medford, MA
    • Thesis Title: “Drivers of surface water quality and their consequences for social-ecological systems in semi-arid Africa: Case studies from Zimbabwe and Tanzania
  • 2005    M.S. Department of Biology, Tufts University, Medford, MA
    • Certificate in Water: Systems, Science and Society
  • 2003    B.A. in Biology, Anthropology, Washington University in St. Louis, St. Louis, MO



Economy, L., Wiegner, T., Strauch, A.M., Awaya, J. 2019. Rainfall and streamflow effects on estuarine Staphylococcus aureus and fecal indicator bacteria concentrations. Journal of Environmental Quality.

Clilverd, H.M., Tsang, Y.-P., Infante, D.M., Lynch, A.J., Strauch, A.M. 2019. Long-term trends in streamflow of unregulated streams in Hawai‘i and implications for native stream fauna. Hydrological Processes, 33: 699-719.

MacKenzie, R.A., Strauch, A.M., Frauendorf, T., Wiegner, T., Tingley, R.W. (2018) Hawaiian Islands (Omernik Ecoregion) Represented by the Hawai’i Experimental Tropical Forest, Hawai’i. In: Ryan, D.F., ed. [In press].  Biological responses to stream nutrients: A synthesis of science from experimental forests and ranges. Gen. Tech. Rep. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research.

Strauch, A.M., Giardina, C. MacKenzie, R.A., Bruland, G.L. (2018) Influence of declining mean annual rainfall on the behavior and yield of sediment and particulate organic carbon from tropical watersheds. Geomorphology, 306: 28-39.

Spengler, S., Heskett, M., Uyeno, D., Strauch, A. (2017) Balancing in- and off-stream uses of water in the Hawaiian Islands. In C.A. Brebbia, ed., WIT Transactions on Ecology and the Environment, vol 216. WIT Press, Sussex, UK. p. 15-26.

Strauch, A.M.  (2017) Relative change in stream discharge from a tropical watershed improves predictions of fecal bacteria in near-shore environments. Hydrological Sciences Journal, 62(9): 1381-1393.

Strauch, A.M., MacKenzie, R.A., Tingley III, R. (2017) Base flow driven shifts in tropical stream temperature regimes across a mean annual rainfall gradient. Hydrological Processes, 31: 1678-1689.

Strauch, A.M., Giardina, C.P., Giambelluca, T., Bruland, G.L., Heider, C, Salmonin, E., MacKenzie. R.A. (2017) Modeled effects of climate change and plant invasion on watershed function across a steep tropical rainfall gradient. Ecosystems, 30(3): 583-600.

MacKenzie, R.A., Strauch, A.M., Wiegner, T.N., Colbert, S., Stets, E.G., Streigl, R.G. (2017) Baseline and projected future aquatic carbon fluxes to nearshore waters in Hawai‘i. In: Selments, Giardina, Jacobi, Zhu, eds., Baseline and Projected Future Carbon Storage and Carbon Fluxes in Ecosystems of Hawai‘i. United States Geological Survey Professional Paper 1834. pp. 89-105.

Strauch, A.M., Bruland, G.L., Giardina, C.P., MacKenzie, R.A. (2016) Soil and hydrological responses to wild pig (Sus scofa) exclusion from native and strawberry guava (Psidium cattleianum)-invaded tropical montane wet forests. Geoderma, 279: 53-60.

Strauch, A.M., Rurai, M.T., Almedom, A.M. (2016) Traditional forest management influences on natural resource use and ecosystem services in Sonjo, Tanzania. Journal of Environmental Management, 180: 35-44.

Roberts, M., Strauch, A.M., Wiegner, T.N., MackenzieR.A. (2016) Impact of stream flow on the decomposition of native and invasive leaf litter in Hawaiian streams. Pacific Science, 70(2): 209-222.

Strauch, A.M., MacKenzie, R.A. Bruland, G.L., Giardina, C.P. (2015) Climate driven changes to rainfall and streamflow patterns in a model tropical island hydrological system. Journal of Hydrology, 523: 160-169.

Strauch, A.M., Kapust, A.R., and C.C. Jost. (2015) Using multiple indices to assess fish health and community assemblage during drought in Zambezi tributaries, southern Africa. Journal of Marine and Freshwater Research, 66: 343-351.

Strauch, A.M., MacKenzie, R.A., Bruland, G.L., Tingley III, R., Giardina, C.P. (2014) Climate change and land-use drivers on water quality in tropical watersheds. Journal of Environmental Quality 43(4): 1475-1483.

Mangubhai, S., Strauch, A.M., Obura, D.O., Stone, G., Rotjan R.D. (2014) Exploring short-term impacts of coral bleaching on fish family assemblages in the Phoenix Islands. Reviews in Fish Biology and Fisheries, 24: 505-518.

MacKenzie, R.A. Wiegner, T.N., Kinslow F., Cormier, N., and A.M. Strauch (2013) Impacts of an invasive nitrogen-fixing tree on leaf litter breakdown in a Hawaiian river. Freshwater Science, 32: 1036-1052.

Strauch, A.M. (2013) The role of water quality in large mammal migratory behavior in the Serengeti. Ecohydrology, 6(3): 343-354.

Strauch, A.M. (2013) Interactions between soil, rainfall and wildlife drive surface water quality across a savannah ecosystem. Ecohydrology, 6(1): 94-103.

Strauch, A.M., Cohen, S. and G.S. Ellmore (2012) Environmental influences on the distribution of mangroves on Bahamas Island. Journal of Wetlands Ecology, 6: 16-24.

Strauch, A.M. and S. Eby (2012) The influence of fire frequency on the abundance of Maerua subcordata in the Serengeti National Park, Tanzania. Journal of Plant Ecology, 5: 400-406.

Strauch, A.M. (2011) Seasonal variability in surface water bacteria of semi-arid rivers of the Serengeti National Park, Tanzania. Journal of Marine and Freshwater Research, 62: 191-1200.

Strauch, A.M. and A.M. Almedom. (2011) Traditional resource management and water quality in rural Tanzania. Human Ecology, 39: 93-106.

Strauch, A.M., Kapust, A.R. and C.C. Jost. (2009) The impact of livestock management on water quality and streambank structure in a semi-arid, African ecosystem. Journal of Arid Environments, 75: 795-803.

Strauch, A.M., Muller, J.M. and A.M. Almedom. (2008) Social-Ecological resilience in rural Africa: Case studies from Boumba, Niger and Samunge, Tanzania. African Health Sciences, 8: S28-S35.

Strauch, A.M. and G.S. Ellmore. (2008) Stakeholder-driven research in Phragmites australis management. Journal of Ecological Anthropology, 12: 75-81.