Trisha Atwood
Watershed Sciences / Ecology Center
Associate Professor

Educational Background
PhD, Ecology, University of British Columbia, 2013 Dissertation
Effects of trophic cascades on CO2 dynamics of freshwater ecosystems
MS, Tropical Conservation and Environmental Science, University of Hawaii at Hilo, 2009 Thesis
Effects of Hydrological Forcing on Estuarine Food Webs
Publications | Journal Articles
Academic Journal
- Atwood, T., (2025). Mangrove-based carbon market projects: Current trends and future perspectives. Forest Policy and Economics, 181, 103658. doi: 10.1016/j.forpol.2025.103658
- González Ortiz, A.A, Walsworth, T., Hammill, E., Palomares, M.L, Pauly, D., Atwood, T., (2025). Fisheries disrupt marine nutrient cycles through biomass extraction. Communications Earth & Environment, 6:1, doi: 10.1038/s43247-025-02218-z
- Chavez, E.A, Adkins, J., Waring, B., Beard, K.H, Miller, L., Choi, R., Saunders, T., Atwood, T., (2025). Herbivory in a low Arctic wetland alters intraspecific plant root traits with consequences for carbon and nitrogen cycling. Journal of Ecology, 113:5, 1225-1238. doi: 10.1111/1365-2745.70028
- Saunders, T., Adkins, J., Atwood, T., Waring, B., Beard, K.H, (2025). Goose herbivory effects on early-stage litter decomposition in coastal Alaskan wetlands. Plant and Soil, doi: doi.org/10.1007/s11104-025-07383-w
- Atwood, T., (2024). Atmospheric CO2 emissions and ocean acidification from bottom trawling..
- Atwood, T., (2024). Blue carbon ecosystems: Ocean heroes in the fight against climate change.
- Mariani, G., Atwood, T., Griscom, B., Leavitt, S.M, (2024). Co‐benefits of and trade‐offs between natural climate solutions and Sustainable Development Goals.
- Young, J., Beckman, N., Atwood, T., (2024). The Differential Contribution of Coyotes and Passerines on Future Biotic Carbon Storage Through Juniper Seed Dispersal. Ecography
- Atwood, T., (2023). Animating the carbon cycle through trophic rewilding could provide highly effective natural climate solutions.
- Hammill, E., Atwood, T., (2023). Environmental variables drive spatial patterns of trophic diversity in mammals.
- Saunders, T., , Beard, K.H, Atwood, T., , (2023). Herbivores influence biogeochemical processes by altering litter quality and quantity in a subarctic wetland. Biogeochemistry, 166, 67-85. doi: 10.1007/s10533-023-01098-9
- Hammill, E., Pendleton, M., Brahney, J., Kettenring, K., Atwood, T., (2022). Metal concentrations in wetland plant tissues influences transfer to terrestrial food webs. Ecotoxicology, 31:5, 836-845.
- Hammill, E., Pendleton, M., Brahney, J., Kettenring, K., Atwood, T., (2022). Metal concentrations in wetland plant tissues influences transfer to terrestrial food webs. Ecotoxicology
- Foley, K., Beard, K.H, Atwood, T., Waring, B., (2021). Herbivory changes soil microbial communities and greenhouse gas fluxes in high-latitude wetlands. Microbial Ecology, doi: https://doi.org/10.1007/s00248-021-01733-8
- Bianchi, T.S, Aller, R.C, Atwood, T., Brown, C., Batois, L., Levin, L.A, Levinton, J.S, Middelburg, J.J, Morrison, E.S, Regnier, P., Shields, M.R, Snelgrove, P.V, Sotka, E.E, Stanley, R.R, (2020). What global biogeochemical consequences will marine animal–sediment interactions have during climate change?. Elementa: Science of the Anthropocene, 9. doi: 10.46427/gold2020.187
- Hammill, E., Atwood, T., (2020). Functional redundancy dampens precipitation change impacts on species-rich invertebrate communities across the Neotropics. Nature Communications, 11:1
- Clancy, N.G, Draper, J.P, Wolf, J.M, Abdulwahab, U.A, Pendleton, M.C, Brothers, S., Brahney, J., Weathered, J., Hammill, E., Atwood, T., (2020). Protecting endangered species in the USA requires both public and private land conservation. Scientific Reports, 10:1
- Atwood, T., Valentine, S.A, Hammill, E., McCauley, D.J, Madin, E.M, Beard, K.H, Pearse, W., (2020). Herbivores at the highest risk of extinction among mammals, birds, and reptiles. Science Advances, 6:32, doi: 10.1126/sciadv.abb8458
- Washko, S., Roper, B., Atwood, T., (2020). Beavers alter stream macroinvertebrate communities in north-eastern Utah. Freshwater Biology, 65:3, 579-591.
- Pendleton, M.C, Sedgwick, S., Atwood, T., (2020). Ecosystem Functioning of Great Salt Lake Wetlands. Wetlands
- Macreadie, P.I, Anton, A., Raven, J.A, Beaumont, N., Connolly, R.M, Friess, D.A, Kelleway, J.J, Kennedy, H., Kuwae, T., Lavery, P.S, Lovelock, C.E, Smale, D.A, Apostolaki, E.T, Atwood, T., Baldock, J., Bianchi, T.S, Chmura, G.L, Eyre, B.D, Fourqurean, J.W, Hall-Spencer, J.M, Huxham, M., Hendriks, I.E, Krause-Jensen, D., Laffoley, D., Luisetti, T., Marbà, N., Masque, P., McGlathery, K.J, Megonigal, J.P, Murdiyarso, D., Russell, B.D, Santos, R., Serrano, O., Silliman, B.R, Watanabe, K., Duarte, C.M, (2019). The future of Blue Carbon science. Nature Communications, 10:1
- Madin, E.M, Precoda, K., Harborne, A.R, Atwood, T., Roelfsema, C.M, Luiz, O.J, (2019). How organisms shape seascape-scalehabitat structure: Revisiting the mechanisms causing coral reef halos. Frontiers in Ecology and Evolution, 7:APR
- Hammill, E., Hawkins, C.P, Greig, H.S, Kratina, P., Shurin, J.B, Atwood, T., (2018). Landscape heterogeneity strengthens the relationship between β‐diversity and ecosystem function. Ecology, 99:11, 2467-2475. doi: 10.1002/ecy.2492
- Epperly, J., Witt, A., Haight, J., Washko, S., Atwood, T., Brahney, J., Brothers, S., Hammill, E., (2018). Relationships between borders, management agencies, and the likelihood of watershed impairment. PLoS ONE, 13:9
- Ollivier, Q., Hammill, E., Booth, D., Hinchcliff, C., Madin, E., Harborne, A., Lovelock, C., Macreadie, P., Atwood, T., (2018). Benthic meiofaunal community response to the cascading effects of herbivory within an algal halo system of the Great Barrier Reef. Plos One, 13, e0193932. doi: https://doi.org/10.1371/journal.pone.0193932
- Hinchliffe, C., Atwood, T., Ollivier, Q., Hammill, E., (2017). Presence of invasive Gambusia alters ecological communities and the functions they perform in lentic ecosystems. Marine and Freshwater Research, 68:10, 1867-1876. doi: 10.1071/mf16301
- Lovelock, C.E, Atwood, T., Baldock, J., Duarte, C.M, Hickey, S., Lavery, P.S, Masque, P., Macreadie, P.I, Ricart, A.M, Serrano, O., Steven, A., (2017). Assessing the risk of carbon dioxide emissions from blue carbon ecosystems. Frontiers in Ecology and the Environment, 15:5, 257-265. doi: 10.1002/fee.1491
- Macreadie, P., Nielsen, D., Kelleway, J., Atwood, T., Seymour, J., Petrou, K., Connolly, R., Thompson, A., Trevathan-Tackett, S., Ralph, P., (2017). Can we manage coastal ecosystems to sequester more blue carbon?. Frontiers in Ecology and the Environment, 15, 206-213.
- Reef, R., Atwood, T., Samper-Villarreal, J., Adame, F., Sampayo, E., Lovelock, C., (2017). Using eDNA to determine the source of organic carbon in seagrass meadows.. Limnology and Oceanography, 62, 1254-1265.
- Atwood, T.B, (2015). Predators help protect carbon stocks in blue carbon ecosystems. Nature Climate Change, 5:12, 1038-1045. doi: doi:10.1038/nclimate2763
- Atwood, T.B, Hammill, E., (2015). Warming alters food web-driven changes in the CO2 flux of experimental pond ecosystems. Biology Letters, 11:12, doi: DOI: 10.1098/rsbl.2015.0785
- Hammill, E., Atwood, T., Srivastava, D.S, (2015). Predation threat has greater community and ecosytem effects than predator consumption. Ecosystems, 8, 57-66.
- Hammill, E., Atwood, T.B, Corvalan, P., (2014). Behavioural responses to predation may explain shifts in community structure. Freshwater Biology, 60:1, 125-135. doi: 10.1111/fwb.12475
- Atwood, T.B, Hammill, E., (2014). Competitive displacement alters top-down effects on carbon dioxide concentrations in a freshwater ecosystem. Oecologia, 75:1, 353-361. doi: 10.1007/s00442-013-2877-3
- Atwood, T.B, Hammill, E., (2013). Predator-induced reduction of freshwater carbon dioxide emissions. Nature Geoscience, 6:3, 191-194. doi: doi:10.1038/ngeo1734
- Atwood, T., Richardson, J.S, (2012). Trophic Interactions Between Insects and Stream-Associated Amphibians in Steep, Cobble-Bottom Streams of the Pacific Coast of North America. Insects, 3:2, 432-441. doi: 10.3390/insects3020432
- Atwood, T.B, (2011). Effects of hydrological forcing on the structure of a tropical estuarine food web. Oikos, 121:2, 277-289. doi: DOI: 10.1111/j.1600-0706.2011.19132.x
- Atwood, T.B, (2010). Effects of an invasive n-fixing tree on a hawaiian stream food web. Pacific Science, 63:3, 367-379. doi: 10.2984/64.3.367
Professional Journal
An asterisk (*) at the end of a publication indicates that it has not been peer-reviewed.
Publications | Technical Reports
Research Reports
An asterisk (*) at the end of a publication indicates that it has not been peer-reviewed.
Publications | Other
Newspaper
- Atwood, T., (2019). Australia’s hidden opportunity to cut carbon emissions, and make money in the process. The Conversation *
- Atwood, T., (2015). Ocean predators can help reset our planet’s thermostat. The Conversation *
Miscellaneous Extension
Other
An asterisk (*) at the end of a publication indicates that it has not been peer-reviewed.
Teaching
BIOL, WATS 2220, 2220 - General Ecology, Spring 2025
WATS 3000 - Oceanography (DSC), Spring 2025
WATS 6270 - Big Ideas in Watershed Science, Spring 2023
BIOL, WATS 2220, 2220 - General Ecology, Spring 2023
BIOL, WATS 2220 - General Ecology, Spring 2023
BIOL, WATS 2220 - General Ecology, Spring 2021
WATS 3000 - Oceanography, Spring 2021
BIOL, WATS 2220 - General Ecology, Spring 2020
WATS 3000 - Oceanography, Spring 2020
WATS 3450 - Introduction to Coral Reefs-Field Course, Summer 2019
BIOL, WATS 2220 - General Ecology, Spring 2019
WATS 3000 - Oceanography, Spring 2019
WATS 3450 - Introduction to Coral Reefs-Field Course, Summer 2018
BIOL, WATS 2220 - General Ecology, Spring 2018
WATS 3450 - Introduction to Coral Reefs, Summer 2017
BIOL, WATS 2220 - General Ecology, Spring 2017
WATS 6900 - Graduate Special Topics, Spring 2017
BIOL, NR 2220 - General Ecology, Spring 2016
Graduate Students Mentored
Katia Quezada Villa, Watershed Sciences, January 2025
Lindsay Miller, Watershed Sciences
Emily Chavez, Watershed Sciences 2024
Adrian González Ortiz, Watershed Sciences 2023
John Draper, Watershed Sciences 2021
Maya Pendleton, Watershed Sciences 2019
Joshua Epperly, Watershed Sciences, August 2016 - May 2018
Shaley Valentine, Watershed Sciences, August 2016 - May 2018
Susan Washko, Watershed Sciences, August 2016 - May 2018