Ian Waite has been an aquatic ecologist in the USGS Oregon Water Science Center since June 1992.
Research Focus My primary focus has been on understanding the effects of multiple instream stressors in wadeable streams on biological assemblages (diatoms, macroinvertebrates, fish) throughout the U.S., primarily looking at the effects of agriculture and urban land use.
One of my specialties is the use of multivariate statistics and various modeling techniques (e.g., machine learning, predictive, etc.) to help us untangle the complex mixture of natural and anthropogenic variables at diverse spatial scales (e.g., instream, local, watershed and regional) that are effecting stream ecosystems.
I've been applying various predictive modeling approaches to better understand the causal mechanisms of disturbance on aquatic ecosystems across a large diversity of ecosystems and scales. I collaborate with other federal agencies, Indian tribes, State and non-profit groups and I am increasingly working with international researchers to better understand and improve our ability to manage aquatic ecosystems. I work to communicate the findings through public meetings, watershed councils, international science conferences and in journal publications.
I feel I can analyze, develop models and summarize almost any type of data and present the findings in a clear concise manner.
Education and Certifications
University of Michigan, Ann Arbor, MI, Natural Resources (Fisheries and Marine Biology), B.A., 1982.
Humboldt State University, Arcata, CA, Fisheries, M.Sc., 1987.
University of Idaho, Moscow, ID, Entomology (Minor-Aquatic Ecology), Ph.D., 1994.
Science and Products
Below are data created by Ian Waite.
Uptake and bioaccumulation of per- and polyfluoroalkyl substances in fish in the Columbia Slough, Portland, Oregon: 2019-2020
USGS Earthmap Capacity Assessment Dataset
Water-quality and stream-habitat metrics calculated for the National Water-Quality Assessment Program's Regional Stream Quality Assessment conducted in the southeast United States in support of ecological and habitat stressor models, 2014
Below are publications authored by Ian Waite.
Field assessment of Naled and its primary degradation product (dichlorvos) in aquatic ecosystems following aerial ultra-low volume application for mosquito control
Framework for the development of the Columbia River mainstem fish tissue and water quality monitoring program - Bonneville Dam to Canadian border
Identifying monitoring information needs that support the management of fish in large rivers
Capacity assessment for Earth Monitoring, Analysis, and Prediction (EarthMAP) and future integrated monitoring and predictive science at the U.S. Geological Survey
Multiple in-stream stressors degrade biological assemblages in five U.S. regions
Multi-region assessment of chemical mixture exposures and predicted cumulative effects in USA wadeable urban/agriculture-gradient streams
Chemical-contaminant mixtures are widely reported in large stream reaches in urban/agriculture-developed watersheds, but mixture compositions and aggregate biological effects are less well understood in corresponding smaller headwaters, which comprise most of stream length, riparian connectivity, and spatial biodiversity. During 2014–2017, the U.S. Geological Survey (USGS) measured 389 unique orga
Understanding the relationship between stream metabolism and biological assemblages
Legacy and current‐use contaminants in sediments alter macroinvertebrate communities in southeastern US Streams
Assessment of multi-stressors on compositional turnover of diatom, invertebrate and fish assemblages along an urban gradient in Pacific Northwest streams (USA)
Projected urban growth in the Southeastern USA puts small streams at risk
Relationships between diatom metrics based on species nutrient traits and agricultural land use
Effects of urban multi-stressors on three stream biotic assemblages
Science and Products
- Data
Below are data created by Ian Waite.
Uptake and bioaccumulation of per- and polyfluoroalkyl substances in fish in the Columbia Slough, Portland, Oregon: 2019-2020
The Columbia Slough is located south and parallel to the Columbia River in Portland, Oregon and consists of approximately 19 miles of predominantly urbanized waterway that drains approximately 32,700 acres of land with industrial, commercial, residential, and agricultural uses. Per- and polyfluoroalkyl substances (PFAS) are found in aqueous film forming foams (AFFF) used for firefighting, and soilUSGS Earthmap Capacity Assessment Dataset
The U.S. Geological Survey provides a wide range of scientific information to an even wider group of stakeholders. Understanding what capacities are needed and if and or where these capacities exist across the USGS landscape is critical in moving science to the next level of use, implementation, and visualization. The concept behind the groups organized to conduct and interpret the survey that colWater-quality and stream-habitat metrics calculated for the National Water-Quality Assessment Program's Regional Stream Quality Assessment conducted in the southeast United States in support of ecological and habitat stressor models, 2014
This data release includes metrics from the Regional Stream Quality Assessment (RSQA) from the Southeast Region for habitat stressors related to water-quality and habitat substrate. The goals of RSQA are to characterize multiple water-quality factors that are stressors to aquatic life -- contaminants, nutrients, sediment, and streamflow alteration -- and to develop a better understanding of the re - Publications
Below are publications authored by Ian Waite.
Filter Total Items: 38Field assessment of Naled and its primary degradation product (dichlorvos) in aquatic ecosystems following aerial ultra-low volume application for mosquito control
Naled, an organophosphate insecticide, is applied aerially at ultra-low volumes over aquatic ecosystems near Sacramento, California, USA, during summer months for mosquito control. Two ecosystem types (rice fields and a flowing canal) were sampled in 2020 and 2021. Naled and its primary degradation product (dichlorvos) were measured in water, biofilm, grazer macroinvertebrates, and omnivore/predatAuthorsCassandra Smith, Michelle Hladik, Kathryn Kuivila, Ian R. WaiteFramework for the development of the Columbia River mainstem fish tissue and water quality monitoring program - Bonneville Dam to Canadian border
The Columbia River provides important cultural, economic, and ecological services to a significant portion of the United States. Anadromous and resident fish species and other wildlife are integrated into the cultural traditions of all Tribes in the Columbia River Basin. Salmon, lamprey, sturgeon, and resident fish are an integral part of Tribal religion, culture, and physical sustenance. DespiteAuthorsTimothy Counihan, Patrick W. Moran, Ian R. Waite, Sherrie Duncan, Laura ShiraIdentifying monitoring information needs that support the management of fish in large rivers
Management actions intended to benefit fish in large rivers can directly or indirectly affect multiple ecosystem components. Without consideration of the effects of management on non-target ecosystem components, unintended consequences may limit management efficacy. Monitoring can help clarify the effects of management actions, including on non-target ecosystem components, but only if data are colAuthorsTimothy Counihan, Kristen L. Bouska, Shannon K. Brewer, R. B. Jacobson, Andrew F. Casper, Colin G. Chapman, Ian R. Waite, Kenneth R. Sheehan, Mark Pyron, Elise Irwin, Karen Riva-Murray, Alexa McKerrow, Jennifer M. BayerCapacity assessment for Earth Monitoring, Analysis, and Prediction (EarthMAP) and future integrated monitoring and predictive science at the U.S. Geological Survey
Executive SummaryManagers of our Nation’s resources face unprecedented challenges driven by the convergence of increasing, competing societal demands and a changing climate that affects the stability, vulnerability, and predictability of those resources. To help meet these challenges, the scientific community must take advantage of all available technologies, data, and integrative Earth systems moAuthorsJennifer L. Keisman, Sky Bristol, David S. Brown, Allison K. Flickinger, Gregory Gunther, Peter S. Murdoch, MaryLynn Musgrove, John C. Nelson, Gregory D. Steyer, Kathryn A. Thomas, Ian R. WaiteByEcosystems Mission Area, Water Resources Mission Area, Science Synthesis, Analysis and Research Program, Science Analytics and Synthesis (SAS) Program, Energy Resources Program, Geology, Energy & Minerals Science Center, Oklahoma-Texas Water Science Center, Oregon Water Science Center, Southwest Biological Science Center, Upper Midwest Environmental Sciences Center, Wetland and Aquatic Research CenterMultiple in-stream stressors degrade biological assemblages in five U.S. regions
Biological assemblages in streams are affected by a wide variety of physical and chemical stressors associated with land-use development, yet the importance of combinations of different types of stressors is not well known. From 2013 to 2017, the U.S. Geological Survey completed multi-stressor/multi-assemblage stream ecological assessments in five regions of the United States (434 streams total).AuthorsIan R. Waite, Peter C. Van Metre, Patrick W. Moran, Christopher P. Konrad, Lisa H. Nowell, Michael R. Meador, Mark D. Munn, Travis S. Schmidt, Allen Gellis, Daren Carlisle, Paul M. Bradley, Barbara MahlerByEcosystems Mission Area, Water Resources Mission Area, Contaminant Biology, Environmental Health Program, Toxic Substances Hydrology, California Water Science Center, Kansas Water Science Center, Oklahoma-Texas Water Science Center, Oregon Water Science Center, South Atlantic Water Science Center (SAWSC), Washington Water Science Center, Wyoming-Montana Water Science CenterMulti-region assessment of chemical mixture exposures and predicted cumulative effects in USA wadeable urban/agriculture-gradient streams
Chemical-contaminant mixtures are widely reported in large stream reaches in urban/agriculture-developed watersheds, but mixture compositions and aggregate biological effects are less well understood in corresponding smaller headwaters, which comprise most of stream length, riparian connectivity, and spatial biodiversity. During 2014–2017, the U.S. Geological Survey (USGS) measured 389 unique orga
AuthorsPaul Bradley, Celeste A. Journey, Kristin Romanok, Sara Breitmeyer, Daniel T. Button, Daren M. Carlisle, Bradley Huffman, Barbara Mahler, Lisa H. Nowell, Sharon L. Qi, Kelly Smalling, Ian R. Waite, Peter C. Van MetreByEcosystems Mission Area, Water Resources Mission Area, Contaminant Biology, Environmental Health Program, Toxic Substances Hydrology, California Water Science Center, Colorado Water Science Center, Maryland-Delaware-D.C. Water Science Center, New Jersey Water Science Center, Ohio-Kentucky-Indiana Water Science Center, Oklahoma-Texas Water Science Center, Oregon Water Science Center, South Atlantic Water Science Center (SAWSC)Understanding the relationship between stream metabolism and biological assemblages
Biological assemblages are commonly used for assessing stream health, but there is increased interest among the freshwater research community in incorporating measures of stream function, such as metabolism, to strengthen stream-health assessments. Presently, there is limited information about the relationships between stream metabolism and biological assemblages, along with the measurement periodAuthorsMark D. Munn, Rich W. Sheibley, Ian R. Waite, Michael MeadorLegacy and current‐use contaminants in sediments alter macroinvertebrate communities in southeastern US Streams
Sediment contamination of freshwater streams in urban areas is a recognized and growing concern. As a part of a comprehensive regional stream‐quality assessment, stream‐bed sediment was sampled from streams spanning a gradient of urban intensity in the Piedmont ecoregion of the southeastern United States. We evaluated relations between a broad suite of sediment contaminants (metals, current‐use peAuthorsPatrick W. Moran, Nile E. Kemble, Ian R. Waite, Barbara Mahler, Lisa H. Nowell, Peter C. Van MetreAssessment of multi-stressors on compositional turnover of diatom, invertebrate and fish assemblages along an urban gradient in Pacific Northwest streams (USA)
This study is part of the regional stream-quality assessment (RSQA) conducted by the U.S. Geological Survey (USGS) National Water Quality Assessment (NAWQA) project. The purpose of this study is to examine small streams along land-use and stressor gradients at the regional scale and to evaluate the relative importance of instream stressors on diatom, macroinvertebrate, and fish assemblages. In 201AuthorsIan R. Waite, Yangdong Pan, Patrick EdwardsProjected urban growth in the Southeastern USA puts small streams at risk
Future land-use development has the potential to profoundly affect the health of aquatic ecosystems in the coming decades. We developed regression models predicting the loss of sensitive fish (R2=0.39) and macroinvertebrate (R2=0.64) taxa as a function of urban and agricultural land uses and applied them to projected urbanization of the rapidly urbanizing Piedmont ecoregion of the southeastern USAuthorsPeter C. Van Metre, Ian R. Waite, Sharon L. Qi, Barbara Mahler, Adam Terando, Michael Wieczorek, Michael R. Meador, Paul M. Bradley, Celeste A. Journey, Travis S. Schmidt, Daren CarlisleRelationships between diatom metrics based on species nutrient traits and agricultural land use
We assessed how diatom metrics were related to different ranges of agricultural land use. Diatom assemblage composition, nutrients, and landscape characteristics were determined at 232 sites in eight agriculturally dominated study areas of the continental United States. Two regional groups based on differences in diatom relations to human disturbance were determined. Changes in diatom species compAuthorsRobert Pillsbury, R. Jan Stevenson, Mark D. Munn, Ian R. WaiteEffects of urban multi-stressors on three stream biotic assemblages
During 2014, the U.S. Geological Survey (USGS) National Water-Quality Assessment(NAWQA) project assessed stream quality in 75 streams across an urban disturbance gradient within the Piedmont ecoregion of southeastern United States. Our objectives were to identify primary instream stressors affecting algal, macroinvertebrate and fish assemblages in wadeable streams. Biotic communities were surveyedAuthorsIan R. Waite, Mark D. Munn, Patrick W. Moran, Christopher P. Konrad, Lisa H. Nowell, Michael R. Meador, Peter C. Van Metre, Daren Carlisle