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Fish as Indicators of Ecosystem Health: Assessing the Impact of Contaminants of Emerging Concern- [electronic resource]
Fish as Indicators of Ecosystem Health: Assessing the Impact of Contaminants of Emerging C...
Fish as Indicators of Ecosystem Health: Assessing the Impact of Contaminants of Emerging Concern- [electronic resource]

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자료유형  
 학위논문파일 국외
최종처리일시  
20240214095849
ISBN  
9798380392532
DDC  
574.5
저자명  
Deere, Jessica Renee.
서명/저자  
Fish as Indicators of Ecosystem Health: Assessing the Impact of Contaminants of Emerging Concern - [electronic resource]
발행사항  
[S.l.]: : University of Minnesota., 2021
발행사항  
Ann Arbor : : ProQuest Dissertations & Theses,, 2021
형태사항  
1 online resource(156 p.)
주기사항  
Source: Dissertations Abstracts International, Volume: 85-03, Section: B.
주기사항  
Includes supplementary digital materials.
주기사항  
Advisor: Wolf, Tiffany;Travis, Dominic.
학위논문주기  
Thesis (Ph.D.)--University of Minnesota, 2021.
사용제한주기  
This item must not be sold to any third party vendors.
초록/해제  
요약Water is arguably the most essential natural resource in the world, yet the use of industrial, healthcare, and household products threaten freshwater ecosystems. Contaminants of emerging concern (CECs) are a diverse group of chemicals - often defined as chemicals that were previously unknown, unrecognized, or unregulated - that comprise pharmaceuticals, personal care products, and hormones. CECs now have a ubiquitous distribution worldwide and their presence is only increasing as quantitative detection limits continue to be lowered and new chemicals make their way onto the global market. Concern over their biological effects at the molecular, organism, and population level in aquatic ecosystems is also increasing. CECs are identified throughout the Great Lakes Basin and may have a variety of adverse effects on aquatic life. However, data describing the specific risks these contaminants pose to human, wildlife, and environmental health are scarce.The goal of this thesis was to characterize CECs in freshwater ecosystems of northeastern Minnesota and evaluate their potential impact on the health of subsistence fish species. We investigated CECs and fish health within the Grand Portage Indian Reservation (GPIR) and 1854 Ceded Territory, where the Grand Portage Band of Lake Superior Chippewa rely on subsistence hunting, fishing and gather as the foundation for their culture and way of life. Thus, to establish a baseline understanding of CECs on these Tribal lands and their potential impact on fish health, we assessed important subsistence fish species in waterbodies that have value as fish harvesting locations for Band members. Further, due to a gap in knowledge regarding the distribution of CECs in rural and Tribal areas, we targeted waterbodies along a spectrum of anthropogenic pressures: waterbodies with no human development along their shorelines, those with development, and those directly impacted by wastewater effluent.Chapter 1 provides background for why it is essential that we better understand the potential impact CECs might be having on aquatic ecosystems, and thus Ojibwe culture. Chapter 2 characterizes the occurrence of CECs in water, sediment, and subsistence fish species in 28 locations. We detected 117 different chemicals in water, sediment, and/or fish in wastewater effluent-impacted, developed, and undeveloped sites. Chapter 3 prioritizes the chemical hazards of the detected chemicals through a rapid assessment of chemical-specific information - including detection frequency, persistence, endocrine disruption, toxicity, and bioaccumulation - to evaluate the potential for these contaminants to cause adverse effects on aquatic life. We identified 50 contaminants in water, 21 in sediment, seven in fish as high priority, including antimicrobials, antihistamines, antidepressants, cardiovascular modulating agents, and insect repellant. Chapter 4 evaluates the health of wild fish exposed to CECs across varying anthropogenic pressures. We compared the utility of three different approaches that could be used to evaluate the health of fish exposed to CECs: a refined fish health assessment index (rFHI), a histopathological index, and high-throughput (ToxCast) in vitro assays. We mapped adverse outcome pathways (AOPs) associated with identified ToxCast assays to determine potential impacts across levels of biological organization within the aquatic system. The health of fish in undeveloped sites was as poor, or sometimes poorer, than fish in developed and wastewater effluent-impacted sites. Chapter 5 is a general discussion to conclude the relevance of this work and explore important future directions. Collectively, this thesis provides evidence of the potential hazards of CECs and their impact on fish health in a region that is important for sustaining Indigenous culture through subsistence fishing.
일반주제명  
Ecology.
일반주제명  
Wildlife management.
일반주제명  
Toxicology.
일반주제명  
Pharmaceutical sciences.
키워드  
Aquatic toxicology
키워드  
Ecosystem health
키워드  
Fish health
키워드  
Indigenous peoples
키워드  
Ojibwe culture
기타저자  
University of Minnesota Veterinary Medicine
기본자료저록  
Dissertations Abstracts International. 85-03B.
기본자료저록  
Dissertation Abstract International
전자적 위치 및 접속  
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MARC

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■1001  ▼aDeere,  Jessica  Renee.
■24510▼aFish  as  Indicators  of  Ecosystem  Health:  Assessing  the  Impact  of  Contaminants  of  Emerging  Concern▼h[electronic  resource]
■260    ▼a[S.l.]:▼bUniversity  of  Minnesota.  ▼c2021
■260  1▼aAnn  Arbor  :▼bProQuest  Dissertations  &  Theses,  ▼c2021
■300    ▼a1  online  resource(156  p.)
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  85-03,  Section:  B.
■500    ▼aIncludes  supplementary  digital  materials.
■500    ▼aAdvisor:  Wolf,  Tiffany;Travis,  Dominic.
■5021  ▼aThesis  (Ph.D.)--University  of  Minnesota,  2021.
■506    ▼aThis  item  must  not  be  sold  to  any  third  party  vendors.
■520    ▼aWater  is  arguably  the  most  essential  natural  resource  in  the  world,  yet  the  use  of  industrial,  healthcare,  and  household  products  threaten  freshwater  ecosystems.  Contaminants  of  emerging  concern  (CECs)  are  a  diverse  group  of  chemicals  -  often  defined  as  chemicals  that  were  previously  unknown,  unrecognized,  or  unregulated  -  that  comprise  pharmaceuticals,  personal  care  products,  and  hormones.  CECs  now  have  a  ubiquitous  distribution  worldwide  and  their  presence  is  only  increasing  as  quantitative  detection  limits  continue  to  be  lowered  and  new  chemicals  make  their  way  onto  the  global  market.  Concern  over  their  biological  effects  at  the  molecular,  organism,  and  population  level  in  aquatic  ecosystems  is  also  increasing.  CECs  are  identified  throughout  the  Great  Lakes  Basin  and  may  have  a  variety  of  adverse  effects  on  aquatic  life.  However,  data  describing  the  specific  risks  these  contaminants  pose  to  human,  wildlife,  and  environmental  health  are  scarce.The  goal  of  this  thesis  was  to  characterize  CECs  in  freshwater  ecosystems  of  northeastern  Minnesota  and  evaluate  their  potential  impact  on  the  health  of  subsistence  fish  species.  We  investigated  CECs  and  fish  health  within  the  Grand  Portage  Indian  Reservation  (GPIR)  and  1854  Ceded  Territory,  where  the  Grand  Portage  Band  of  Lake  Superior  Chippewa  rely  on  subsistence  hunting,  fishing  and  gather  as  the  foundation  for  their  culture  and  way  of  life.  Thus,  to  establish  a  baseline  understanding  of  CECs  on  these  Tribal  lands  and  their  potential  impact  on  fish  health,  we  assessed  important  subsistence  fish  species  in  waterbodies  that  have  value  as  fish  harvesting  locations  for  Band members.  Further,  due  to  a  gap  in  knowledge  regarding  the  distribution  of  CECs  in  rural  and  Tribal  areas,  we  targeted  waterbodies  along  a  spectrum  of  anthropogenic  pressures:  waterbodies  with  no  human  development  along  their  shorelines,  those  with  development,  and  those  directly  impacted  by  wastewater  effluent.Chapter  1  provides  background  for  why  it  is  essential  that  we  better  understand  the  potential  impact  CECs  might  be  having  on  aquatic  ecosystems,  and  thus  Ojibwe  culture.  Chapter  2  characterizes  the  occurrence  of  CECs  in  water,  sediment,  and  subsistence  fish  species  in  28  locations.  We  detected  117  different  chemicals  in  water,  sediment,  and/or  fish  in  wastewater  effluent-impacted,  developed,  and  undeveloped  sites.  Chapter  3  prioritizes  the  chemical  hazards  of  the  detected  chemicals  through  a  rapid  assessment  of  chemical-specific  information  -  including  detection  frequency,  persistence,  endocrine  disruption,  toxicity,  and  bioaccumulation  -  to  evaluate  the  potential  for  these  contaminants  to  cause  adverse  effects  on  aquatic  life.  We  identified  50  contaminants  in  water,  21  in  sediment,  seven  in  fish  as  high  priority,  including  antimicrobials,  antihistamines,  antidepressants,  cardiovascular  modulating  agents,  and  insect  repellant.  Chapter  4  evaluates  the  health  of  wild  fish  exposed  to  CECs  across  varying  anthropogenic  pressures.  We  compared  the  utility  of  three  different  approaches  that  could  be  used  to  evaluate  the  health  of  fish  exposed  to  CECs:  a  refined  fish  health  assessment  index  (rFHI),  a  histopathological  index,  and  high-throughput  (ToxCast)  in  vitro  assays.  We  mapped  adverse  outcome  pathways  (AOPs)  associated  with  identified  ToxCast  assays  to  determine  potential  impacts  across  levels  of  biological  organization  within  the  aquatic  system.  The  health  of  fish  in  undeveloped  sites  was  as  poor,  or  sometimes  poorer, than  fish  in  developed  and  wastewater  effluent-impacted  sites.  Chapter  5  is  a  general  discussion  to  conclude  the  relevance  of  this  work  and  explore  important  future  directions.  Collectively,  this  thesis  provides  evidence  of  the  potential  hazards  of  CECs  and  their  impact  on  fish  health  in  a  region  that  is  important  for  sustaining  Indigenous  culture  through  subsistence  fishing.
■590    ▼aSchool  code:  0130.
■650  4▼aEcology.
■650  4▼aWildlife  management.
■650  4▼aToxicology.
■650  4▼aPharmaceutical  sciences.
■653    ▼aAquatic  toxicology
■653    ▼aEcosystem  health
■653    ▼aFish  health
■653    ▼aIndigenous  peoples
■653    ▼aOjibwe  culture
■690    ▼a0329
■690    ▼a0286
■690    ▼a0383
■690    ▼a0572
■71020▼aUniversity  of  Minnesota▼bVeterinary  Medicine.
■7730  ▼tDissertations  Abstracts  International▼g85-03B.
■773    ▼tDissertation  Abstract  International
■790    ▼a0130
■791    ▼aPh.D.
■792    ▼a2021
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T16930991▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.
■980    ▼a202402▼f2024

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