Skip to main content Dr. Weston Hugh Nowlin
- Professor at Biology, College of Science & Engineering
Grants
2025
- Siciliano-Martina, Leila Marie (Principal), Riggins, Chris (Co-Principal), Nowlin, Weston Hugh (Co-Principal).
Controlling Invasive Armored Catfish: Growth, Reproduction, and Spearfishing Effects,
Texas Parks and Wildlife,
State,
$91313.
(Submitted: 2025, Funded: August 2025 - August 2027).
Grant.
2023
- Schwalb, A N (Principal), Nowlin, Weston Hugh (Co-Principal), Schwartz, Benjamin F (Co-Principal).
Integrating Long Term Datasets with Next Generation Ecological Models to Quantify Ecological Response in Aquatic Systems,
US Army Corps of Engineers,
Federal,
$4244320.
(Funded: 2023 - 2026).
Grant.
2022
- Nowlin, Weston Hugh (Principal), Percent Contribution: %33.3, Schwalb, Astrid Nadine, Percent Contribution: %33.3, Schwartz, Benjamin F, Percent Contribution: %33.3.
Quantifying drivers of native and non-native aquatic species abundance and distribution in drought- and flood-prone Texas basins,
U.S. Army Crop of Engineers,
Federal,
$2253674.
(Funded: 2022 - 2025).
Grant.
2021
- Nowlin, Weston Hugh (Principal), Percent Contribution: %21, Schwalb, Astrid Nadine, Percent Contribution: %21, Schwartz, Benjamin F, Percent Contribution: %21, Hardy, Thomas (Co-Principal), Percent Contribution: %11.
Quantifying drivers of native and non-native aquatic species abundance and distribution in drought- and flood-prone Texas basins,
U.S. Army Crop of Engineers,
Federal,
$2253674.
(Funded: October 2021 - September 2022).
Grant.
2020
- Nowlin, Weston Hugh (Principal), Percent Contribution: %21, Schwalb, Astrid Nadine, Percent Contribution: %21, Schwartz, Benjamin F, Percent Contribution: %21, Hardy, Thomas (Co-Principal), Percent Contribution: %11.
Quantifying drivers of native and non-native aquatic species abundance and distribution in drought- and flood-prone Texas basins,
U.S. Army Crop of Engineers,
Federal,
$2253674.16.
(Funded: October 2020 - September 2021).
Grant.
- Dutton, Jessica (Principal), Nowlin, Weston Hugh (Co-Principal).
Intra- and interspecies variability in mercury accumulation in young-of-the-year and juvenile sharks,
Texas Parks and Wildlife Department,
State,
$99964.
(Funded: September 1, 2020 - August 31, 2023).
Grant.
2019
- Nowlin, Weston Hugh, Schwartz, Benjamin F, Nice, Chris.
Population Genetics of the Endangered Comal Springs Dryopid Beetle (Stygoparnus comalensis),
Texas Parks and Wildlife/US Fish and Wildlife Service,
Federal,
$59598.
(Submitted: October 2018, Funded: January 2019 - December 2021).
Grant.
2018
- Nowlin, Weston Hugh, Schwartz, Benjamin F, Nice, Chris.
Trophic Ecology, Environmental Tolerances, and Population Genetics of the Endangered Comal Springs Dryopid Beetle (Stygoparnus comalensis).,
TPWD,
State,
$79942.
(Funded: 2018 - Present).
Grant.
- Nowlin, Weston Hugh.
Examination of the life history of the Comal Springs riffle beetle (Heterelmis comalensis) and assessment of factors which affect pupation rates,
US Fish and Wildlife Service,
Federal,
$184194.
(Funded: January 2018 - December 2020).
Grant.
2017
- Nowlin, Weston Hugh.
San Solomon Springs Invertebrate Community Study,
TPWD,
State,
$49858.
(Funded: 2017 - 2019).
Grant.
- Nowlin, Weston Hugh, Schwartz, Benjamin F.
Life History, Distribution, and Trophic Ecology of the Endangered Comal Springs Dryopid Beetle (Stygoparnus comalensis),
USFWS - TPWD Section 6,
Federal,
$69893.
(Funded: October 2017 - Present).
Grant.
2016
- Schwalb, A (Principal), Nowlin, W (Co-Principal), Swannack, T (Co-Principal).
Dispersal of zebra mussels downstream of an invaded reservoir and assessing the risk of dreissenid mussel invasion into lakes of Texas,
TPWD/USFWS,
State,
$73027.
(Funded: 2016 - 2017).
Grant.
- Nowlin, Weston Hugh (Co-Principal), Oborny, E. (Principal), Gibson, R., Sada, D.
Evaluation of the Life History of the Comal Springs Riffle Beetle: Egg to Adult,
$80000.
(Funded: January 2016 - January 2018).
Grant.
- Nowlin, Weston Hugh (Principal), Schwartz, BF.
Evaluation of the Long-Term, Elevated Temperature and Low Dissolved Oxygen Tolerances of the Comal Springs Riffle Beetle,
$93034.
(Funded: January 2016 - February 2017).
Grant.
- Nowlin, Weston Hugh (Principal), Hahn, D.
Evaluation of the Trophic Status and Functional Feeding Group Status of the Comal Springs Riffle Beetle,
$69354.
(Funded: January 2016 - February 2017).
Grant.
2015
- Hardy, Thomas (Principal), Nowlin, Weston Hugh (Co-Principal), Williamson, Paula S (Co-Principal).
Effects of suspended sediments on Texas wild rice, other macrophytes, and macroinvertebrates,
Edwards Aquifer Authority (Edwards Aquifer Habitat Conservation Plan),
Federal,
$75000.
(Funded: 2015 - 2016).
Grant.
- Nowlin, Weston Hugh, Schwalb, A (Principal).
Development of Habitat Suitability Criteria for Benthic Macroinvertebrates in the Lower Guadalupe River,
$26000.
(Funded: August 2015 - May 2017).
Grant.
- Nowlin, Weston Hugh, Schwartz, BF (Principal), Nice, CC.
Status Assessment and Ecological Characterization of the Texas Troglobitic Water Slater,
State Wildlife Grant Program,
$74049.
(Funded: May 2015 - 2017).
Grant.
- Nowlin, Weston Hugh (Principal), Schwartz, BF.
Development of Husbandry and Captive Propagation Techniques for Invertebrates Covered Under the Edwards Aquifer Habitat Conservation Plan Proposal,
$108552.
(Funded: February 2015 - January 2016).
Grant.
- Nowlin, Weston Hugh (Co-Principal), Oborny, E. (Principal), Gibson, R. (Co-Principal).
Comal Springs Riffle Beetle Habitat Connectivity Under Variable Flow Conditions,
$38498.
(Funded: January 2015 - January 2016).
Grant.
2014
- Nowlin, Weston Hugh (Principal), Schwartz, BF, Hardy, TB, Gibson, R.
Determination of Limitations of Comal Springs Riffle Beetle Plastron Use During Low Flow Conditions,
$48467.
(Funded: June 2014 - December 2014).
Grant.
2013
- Nowlin, Weston Hugh (Principal), Schwartz, BF (Co-Principal).
Upper San Marcos River Watershed Protection Plan-Texas Commission on Environmental Quality/United States Environmental Protection Agency,
$30000.
(Funded: January 2013 - 2015).
Grant.
2010
- Nowlin, Weston Hugh (Co-Principal), Schwartz, B (Principal), Bonner, TH, Hardy, T, Sansom, A.
Establishment of the Upper San Marcos River Observing System,
$1200000.
(Funded: February 2010 - 2012).
Grant.
2009
- Nowlin, Weston Hugh (Principal), Schwartz, B (Co-Principal), Sansom, A (Co-Principal).
Spring Lake Nutrient Sources Identification and Nutrient Management Plan,
$293689.
(Funded: March 2009).
Grant.
- Nowlin, Weston Hugh (Co-Principal), Bonner, TH (Principal), Hardy, T (Co-Principal).
Ecological Values and Ecosystem Services of Watersheds in the Lower Rio Grande River,
$85000.
(Funded: July 2009 - 2011).
Grant.
- Nowlin, Weston Hugh (Principal), Urbanczyk, K (Co-Principal), Bennett, J.
Effects of Invasive Species on the Biogeochemistry of Hyporheic Water from Sandbars: A Comparison Restored and Unrestored Areas in Big Bend National Park,
$37843.
(Funded: July 2009 - 2011).
Grant.
2008
- Nowlin, Weston Hugh (Co-Principal), Westerlund, J (Principal), Bonner, T (Co-Principal), Earl, R (Co-Principal), Guettner, P (Co-Principal).
Project Flowing Waters,
$2320660.
(Funded: January 2008 - 2013).
Grant.
- Nowlin, Weston Hugh (Co-Principal), Bonner, TH (Principal), Zhang, Y (Co-Principal), Lopes, V (Co-Principal).
Building Adaptive Capacity and the Ecological Values of Watersheds of the Lower Brazos River Basin,
$600000.
(Funded: January 2008 - 2011).
Grant.
2007
- Nowlin, Weston Hugh (Co-Principal), Zhang, Y (Principal).
Bigclaw River Shrimp in San Marcos River: Invasive Species’ Impact,
$68640.
(Funded: October 2007 - 2009).
Grant.
- Nowlin, Weston Hugh (Principal), Fries, JN, Alexander, ML.
Trophic Ecology and Habitat Associations of the Threatened San Marcos Salamander (Eurycea nana),
$25844.
(Funded: May 2007 - 2009).
Grant.
2006
- Nowlin, Weston Hugh, Zhang, Y.
Ecosystem engineering and nutrient cycling effects of native and exotic species in the San Marcos River ecosystem,
$16000.
(Funded: December 2006 - 2007).
Grant.
- Nowlin, Weston Hugh (Principal).
Reproductive Ecology and Culture Techniques of the Devil’s River Minnow,
$8000.
(Funded: June 2006 - 2007).
Grant.
- Nowlin, Weston Hugh (Principal), Bonner, TH (Co-Principal).
Sources and Pathways of Energy and Nutrients Supporting the Rio Grande Biotic Community,
$90404.
(Funded: March 2006 - 2008).
Grant.
- Nowlin, Weston Hugh (Principal), Bonner, TH (Co-Principal).
Invasion of Suckermouth Catfish in the San Marcos River Ecosystem,
$5000.
(Funded: March 2006 - 2007).
Grant.
2005
- Nowlin, Weston Hugh (Principal).
The Relative Importance of Bacteria and Algae in Reservoir Carbon Cycling,
Texas State University,
$6940.
(Funded: December 2005 - 2006).
Grant.
- Nowlin, Weston Hugh (Principal).
Transfer of Mercury and Methylmercury Across Ecosystem Boundaries in Arid River Landscapes,
$7984.
(Submitted: 2007).
Grant.