Travis Schmidt - USGS

Title: Ecologist

FORT Affiliation: Aquatic Systems

Duty Station:
Fort Collins Science Center
2150 Centre Ave
Bldg C
Fort Collins, CO 80526

Phone: 970-226-9470

Email: tschmidt@usgs.gov

      

      

Research Publications

Displaying 1 - 21 of 21
Year Title Type
2015 Soil disturbance as a driver of increased stream salinity in a semiarid watershed undergoing energy development Journal Article
2014 Cross-ecosystem impacts of stream pollution reduce resource and contaminant flux to riparian food webs Journal Article
2014 Metamorphosis alters contaminants and chemical tracers in insects: implications for food webs Journal Article
2014 Metamorphosis enhances the effects of metal exposure on the mayfly, Centroptilum triangulifer Journal Article
2013 Emergence flux declines disproportionately to larval density along a stream metals gradient Journal Article
2012 Characterizing invertebrate traits in wadeable streams of the contiguous US: Differences among ecoregions and land uses Journal Article
2012 Estimating risks to aquatic life using quantile regression Journal Article
2012 Geologic processes influence the effects of mining on aquatic ecosystems Journal Article
2011 Critical Tissue Residue Approach Linking Accumulated Metals in Aquatic Insects to Population and Community-Level Effects Journal Article
2010 Development of a new toxic-unit model for the bioassessment of metals in streams Journal Article
2010 Weathering rates in alpine catchments of central Colorado, USA Proceedings, Pages in
2009 Aquatic Ecosystems in Central Colorado are Influenced by Mineral Forming Processes and Historical Mining Report, Pages In
2009 Climate-induced changes in high elevation stream nitrate dynamics Journal Article
2009 Environmental effects of hydrothermal alteration and historical mining on water and sediment quality in central Colorado Report, Pages In
2009 Geochemistry of surface water in alpine catchments in central Colorado, USA: Resolving host-rock effects at different spatial scales Journal Article
2009 Potential habitat distribution for the freshwater diatom Didymosphenia geminata in the continental US Journal Article
2008 Boulder Creek: A stream ecosystem in an urban landscape Report, Pages In
2008 Utilizing structural equation modeling techniques to model watershed structure and land use affects on stream geochemistry and ecological responses Report, Pages In
2007 Organizing and integrating the valuation process Book, Pages in
2007 Selected field parameters from streams and preliminary analytical data from water and macroinvertebrate samples, Central Colorado Assessment Project, Task, 2004 and 2005 Report
2006 Impacts on Water Quality and Biota from Natural Acid Rock Drainage in Colorado’s Lake Creek Watershed Proceedings, Pages in

Pre-USGS Products

Displaying 1 - 48 of 48
Year Title Type
2012 Geologic processes influence the effects of mining on aquatic ecosystems Journal Article
2012 Geospatial database for regional environmental assessment of central Colorado USGS Series
2011 A critical tissue residue approach linking accumulated metals in aquatic insects to population and community-level effects Abstract
2011 An evidence-based approach to demonstrate causal relationships between anthropogenic stressors and macroinvertebrate community responses Abstract
2011 An evidence-based approach to demonstrate causal relationships between anthropogenic stressors and macroinvertebrate community responses Presentation
2011 Biologically-mediated flux of trace metals from streams to riparian spiders: a large scale survey in mineralized alpine ecosystems Abstract
2011 Contaminants limit ecosystem potential, not average potential of ecosystems Abstract
2011 Critical Tissue Residue Approach Linking Accumulated Metals in Aquatic Insects to Population and Community-Level Effects Journal Article
2011 Identifying limits on stream insect density exposed to metals in the presence of co-limiting factors Abstract
2011 Transfer of trace metals from streams to terrestrial food webs by emerging aquatic insects in mineralized alpine ecosystems Abstract
2010 Are invertebrate traits influenced by natural gradients? Implications for trait based biomonitoring at national and regional-scales Abstract
2010 Development of a new toxic-unit model for the bioassessment of metals in streams Journal Article
2010 Development of assessment methodologies in support of USGS integrated science-Wyoming Landscape Conservation Initiative Abstract
2010 Evaluation of the extent of contamination caused by historical mining in catchments of central Colorado Abstract
2010 Identifying limits on aquatic insect density exposed to metals in the presence of co-limiting factors Abstract
2010 Predicting climate change impacts on great basin wetlands, migratory birds and their prey Abstract
2010 Predicting climate change impacts on great basin wetlands, migratory birds and their prey Presentation
2010 Predicting climate change impacts on Great Basin wetlands, migratory birds, and their prey: Workshop Abstract
2010 Predicting risks to aquatic life based on lithologic specific geochemical baselines Abstract
2010 Reconnaissance of weathering rates in alpine catchments of central Colorado, USA Abstract
2010 Weathering rates in alpine catchments of central Colorado, USA Proceedings, Pages in
2009 All rocks aren’t the same; how geologic processes influence abandoned mine land assessments Abstract
2009 Geochemistry of surface water in alpine catchments in central Colorado, USA: Resolving host-rock effects at different spatial scales Journal Article
2008 Boulder Creek: A stream ecosystem in an urban landscape Report, Pages In
2008 Central Colorado Assessment Project—Application of integrated geologic, geochemical, biologic, and mineral resource studies Fact Sheet
2008 Environmental Assessment of Central Colorado-Effects of hydrothermal alteration on water and sediment quality Abstract
2008 Environmental effects of hydrothermal alteration and historical mining on water and sediment quality in central Colorado Abstract
2008 How mineral deposit models can improve our understanding of the effects of trace-metals on aquatic communities Abstract
2008 Relating the accumulation of trace-metals in aquatic insects to population effects Abstract
2008 The effect of mines on aquatic communities in Central Colorado Abstract
2008 Utilizing structural equation modeling techniques to model watershed structure and land use affects on stream geochemistry and ecological responses Report, Pages In
2007 Effects of mining on the environment—A national overview [Presentation] Presentation
2007 Field validation of a Biotic Ligand Model-derived toxic unit model Abstract
2007 Landscape ecotoxicology: Linking catchment lithology to ecological state of streams in the central Rocky Mountains of Colorado Abstract
2007 Landscape ecotoxicology: Relating catchment-scale rock type to local-scale ecological responses. Implications for using the Biotic Ligand Model in the National Minerals Assessment and the use of Water Quality Criteria as redial targets Abstract
2007 Landscape geochemistry of Central Colorado—Results from stream-sediment data Abstract
2007 Organizing and integrating the valuation process Book, Pages in
2007 Regional variations in surface-water chemistry in central Colorado, including areas affected by high natural backgrounds and historic mining Abstract
2007 Selected field parameters from streams and analytical data from water and macroinvertebrate samples, Central Colorado Assessment Project, Environmental Assessment Task, 2004 and 2005 Open-file Report
2007 Selected field parameters from streams and preliminary analytical data from water and macroinvertebrate samples, Central Colorado Assessment Project, Task, 2004 and 2005 Report
2006 Distribution and potential ecological effects of Didymosphenia geminata (Schmidt) in Central Colorado Abstract
2006 Ecological effects of Didymosphenia geminata in macroinvertebrate communities of the central Colorado Rocky Mountains Abstract
2006 Ecological effects of Didymosphenia geminate in macroinvertebrate communities of the central Colorado Rocky Mountains Abstract
2006 Impacts on Water Quality and Biota from Natural Acid Rock Drainage in Colorado’s Lake Creek Watershed Proceedings, Pages in
2006 Regional Biogeochemical investigations in Rocky Mountain National Park by Colorado State University and the USGS Mineral Resources Program Abstract
2006 Utilizing Path Analysis to model watershed structure and historical land use affects on local stream geochemistry and ecological responses Abstract
2005 The influence of catchment geology on water quality and benthic macroinvertebrate communities in streams from the Colorado Mineral Belt Abstract
2005 The influence of catchment geology on water quality and benthic macroinvertebrate communities in streams from the Colorado Mineral Belt Abstract