{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/125725"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/125725","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Water quality as a deterrent to the movement of invasive fishes in the Illinois waterway: Implications for the upper Mississippi Basin","abstract":"Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2026-08-01","abstract_html":"Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2026-08-01","abstract_has_math":false,"creators":["Schneider, Amy Elizabeth"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"M.S.","degree_level":"Thesis","degree_discipline":"Natural Res & Env Sciences","degree_department":null,"school":null,"contributors":["Suski, Cory","Esbaugh, Andrew","Lamer, James"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2024,"date_issued":"2024-07-16","date_published":"2024-07-16","updated_at":"2026-07-22T22:25:02Z","subjects":["Carp","Contaminants","Invasive","Freshwater"],"languages":["en","eng"],"rights":["Copyright 2024 Amy Schneider"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://hdl.handle.net/2142/125725","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Suski, Cory","Esbaugh, Andrew","Lamer, James"]},{"key":"dc:creator","label":"Author","values":["Schneider, Amy Elizabeth"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2024-07-16","2024-08"]},{"key":"dc:type","label":"Dc Type","values":["text","Thesis"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Natural Res & Env Sciences"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Thesis"]},{"key":"thesis:degree_name","label":"Degree Name","values":["M.S."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Carp","Contaminants","Invasive","Freshwater"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en","eng"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 2024 Amy Schneider"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://hdl.handle.net/2142/125725"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2026-08-01","The student, Amy Schneider, accepted the attached license on 2024-07-12 at 14:14.","The student, Amy Schneider, submitted this Thesis for approval on 2024-07-12 at 15:19.","This Thesis was approved for publication on 2024-07-16 at 10:34.","DSpace SAF Submission Ingestion Package generated from Vireo submission #21100 on 2025-02-04 at 21:17:05","One of the hallmarks of invasive species is their propensity to spread. Removing an invasive species after establishment is virtually impossible, and so considerable effort is invested in preventing the range expansion of invaders. Silver carp (Hypophthalmichthys molitrix) were discovered in the Mississippi River in 1981 and have spread throughout the basin. Despite their propensity to expand, the ‘leading edge’ in the Illinois River has stalled south of Chicago and has remained stable for a decade. Studies have indicated that contaminants in the Chicago Area Waterway System (CAWS) may be contributing to the lack of upstream movement, but this hypothesis has not been tested. My first study used a laboratory setting to quantify the role of contaminants in deterring upstream movement of silver carp within the CAWS. For this, water was collected from the CAWS near the upstream edge of the distribution and transported to a fish culture facility. Silver carp and one native species were exposed to CAWS water, and activity, behavior, avoidance, and metabolic rates were quantified. Results showed that silver carp experienced an elevated metabolic cost in CAWS water, along with reductions in swimming behavior. My second study was conducted to quantify the molecular and histological mechanisms that contaminants may be inciting that are deterring upstream movement of silver carp within the CAWS. For this, water was collected from the CAWS near the upstream edge of the distribution and transported to a biological science station in Havana, Illinois. Silver carp collected from the core populations in the Illinois River and were exposed to either CAWS water or river water from the same location as the core population, and olfactory and liver tissue was collected to quantify genetic expression and histological indices of damage. Results showed that silver carp olfactory tissue experienced changes in genetic expression when exposed to CAWS water. My third study aimed to quantify molecular, histological, and physical responses of silver carp captured along a gradient of contaminants within the Illinois River. To accomplish this, silver carp were collected from the core population downstream in the Illinois River, a middle population, and the leading-edge population and collected gill and liver tissue to quantify genetic expression, histological indices of damage, and visual assessments of silver carp and a native control, the gizzard shad (Dorosoma cepedianum). Results showed changes in genetic expression in both gill and liver tissues from silver carp captured at the leading edge, higher instances of aneurysms in the gills from leading edge carp, and higher physical injury scores. Together, results indicate a role for contaminants in CAWS water at deterring upstream movement."]},{"key":"dc:format","label":"Dc Format","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Water quality as a deterrent to the movement of invasive fishes in the Illinois waterway: Implications for the upper Mississippi Basin"]}]}],"canonical_facts":{"dc:contributor":["Suski, Cory","Esbaugh, Andrew","Lamer, James"],"dc:creator":["Schneider, Amy Elizabeth"],"dc:date":["2024-07-16","2024-08"],"dc:description":["Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2026-08-01","The student, Amy Schneider, accepted the attached license on 2024-07-12 at 14:14.","The student, Amy Schneider, submitted this Thesis for approval on 2024-07-12 at 15:19.","This Thesis was approved for publication on 2024-07-16 at 10:34.","DSpace SAF Submission Ingestion Package generated from Vireo submission #21100 on 2025-02-04 at 21:17:05","One of the hallmarks of invasive species is their propensity to spread. Removing an invasive species after establishment is virtually impossible, and so considerable effort is invested in preventing the range expansion of invaders. Silver carp (Hypophthalmichthys molitrix) were discovered in the Mississippi River in 1981 and have spread throughout the basin. Despite their propensity to expand, the ‘leading edge’ in the Illinois River has stalled south of Chicago and has remained stable for a decade. Studies have indicated that contaminants in the Chicago Area Waterway System (CAWS) may be contributing to the lack of upstream movement, but this hypothesis has not been tested. My first study used a laboratory setting to quantify the role of contaminants in deterring upstream movement of silver carp within the CAWS. For this, water was collected from the CAWS near the upstream edge of the distribution and transported to a fish culture facility. Silver carp and one native species were exposed to CAWS water, and activity, behavior, avoidance, and metabolic rates were quantified. Results showed that silver carp experienced an elevated metabolic cost in CAWS water, along with reductions in swimming behavior. My second study was conducted to quantify the molecular and histological mechanisms that contaminants may be inciting that are deterring upstream movement of silver carp within the CAWS. For this, water was collected from the CAWS near the upstream edge of the distribution and transported to a biological science station in Havana, Illinois. Silver carp collected from the core populations in the Illinois River and were exposed to either CAWS water or river water from the same location as the core population, and olfactory and liver tissue was collected to quantify genetic expression and histological indices of damage. Results showed that silver carp olfactory tissue experienced changes in genetic expression when exposed to CAWS water. My third study aimed to quantify molecular, histological, and physical responses of silver carp captured along a gradient of contaminants within the Illinois River. To accomplish this, silver carp were collected from the core population downstream in the Illinois River, a middle population, and the leading-edge population and collected gill and liver tissue to quantify genetic expression, histological indices of damage, and visual assessments of silver carp and a native control, the gizzard shad (Dorosoma cepedianum). Results showed changes in genetic expression in both gill and liver tissues from silver carp captured at the leading edge, higher instances of aneurysms in the gills from leading edge carp, and higher physical injury scores. Together, results indicate a role for contaminants in CAWS water at deterring upstream movement."],"dc:format":["application/pdf"],"dc:identifier":["https://hdl.handle.net/2142/125725"],"dc:language":["en","eng"],"dc:rights":["Copyright 2024 Amy Schneider"],"dc:subject":["Carp","Contaminants","Invasive","Freshwater"],"dc:title":["Water quality as a deterrent to the movement of invasive fishes in the Illinois waterway: Implications for the upper Mississippi Basin"],"dc:type":["text","Thesis"],"thesis:degree_discipline":["Natural Res & Env Sciences"],"thesis:degree_level":["Thesis"],"thesis:degree_name":["M.S."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:25:02Z"}