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Ecosystem Dynamics of Shallow Urban Waterbodies Across Seasons and Ecological States
Ecosystem Dynamics of Shallow Urban Waterbodies Across Seasons and Ecological States
Ecosystem Dynamics of Shallow Urban Waterbodies Across Seasons and Ecological States

상세정보

자료유형  
 학위논문 서양
최종처리일시  
20260202104651
ISBN  
9798280772083
DDC  
551.48
저자명  
Gorsky, Adrianna L.
서명/저자  
Ecosystem Dynamics of Shallow Urban Waterbodies Across Seasons and Ecological States
발행사항  
[Sl] : The University of Wisconsin - Madison, 2025
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2025
형태사항  
113 p
주기사항  
Source: Dissertations Abstracts International, Volume: 86-12, Section: B.
주기사항  
Advisor: Dugan, Hilary A.;Stanley, Emily H.
학위논문주기  
Thesis (Ph.D.)--The University of Wisconsin - Madison, 2025.
초록/해제  
요약Shallow lakes and ponds are dynamic ecosystems that are common features in urbanized landscapes. These systems are especially complex in urban and human-impacted landscapes, where nutrient loading, altered hydrology, and ecosystem management practices interact with natural drivers of biogeochemical processes. Knowledge gaps in our understanding of winter dynamics and the rarity of long-term datasets inspired the following dissertation research on the ecological and biogeochemical dynamics of shallow urban ponds and lakes. Chapter 1, I characterize the under-ice oxygen and greenhouse gas dynamics of 20 urban ponds to understand how productivity, ice conditions, and antecedent summer characteristics shape winter biogeochemistry. By focusing on the less-studied winter season, this chapter highlights the importance of year-round monitoring in small, urban waterbodies. Chapter 2 used long-term datasets to investigate ecological state change in Lake Wingra, a shallow, eutrophic lake that underwent biomanipulation to reduce common carp populations. I ask whether this single intervention led to a lasting shift from an algal to macrophyte-dominated state, and explore the mechanisms underlying persistence, including changes in nutrient dynamics and primary producer communities. This chapter contributes to the broader understanding of ecosystem stability, feedbacks, and management outcomes in shallow lakes. Chapter 3 focuses on spatial and seasonal variability in CO2 concentrations and fluxes within a macrophyte-dominated, shallow lake. I provide new insights into how aquatic vegetation, ice cover, and seasonal productivity shape lake-level carbon dynamics. Together, these chapters advance our understanding of shallow, human-impacted aquatic systems by providing novel empirical data and long-term perspectives on their structure and function. By integrating season, spatial, and temporal dynamics, this work contributes to our understanding of how urban waterbodies might respond to changing climate, and how that might influence water quality.
일반주제명  
Limnology
일반주제명  
Ecology
일반주제명  
Marine geology
키워드  
Biomanipulation
키워드  
Carbon dynamics
키워드  
Greenhouse gas
키워드  
Shallow lakes
키워드  
Urban ponds
키워드  
Winter limnology
기타저자  
The University of Wisconsin - Madison Freshwater & Marine Science
기본자료저록  
Dissertations Abstracts International. 86-12B.
전자적 위치 및 접속  
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MARC

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■020    ▼a9798280772083
■035    ▼a(MiAaPQ)AAI32115331
■040    ▼aMiAaPQ▼cMiAaPQ
■0820  ▼a551.48
■1001  ▼aGorsky,  Adrianna  L.
■24510▼aEcosystem  Dynamics  of  Shallow  Urban  Waterbodies  Across  Seasons  and  Ecological  States
■260    ▼a[Sl]▼bThe  University  of  Wisconsin  -  Madison▼c2025
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2025
■300    ▼a113  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  86-12,  Section:  B.
■500    ▼aAdvisor:  Dugan,  Hilary  A.;Stanley,  Emily  H.
■5021  ▼aThesis  (Ph.D.)--The  University  of  Wisconsin  -  Madison,  2025.
■520    ▼aShallow  lakes  and  ponds  are  dynamic  ecosystems  that  are  common  features  in  urbanized  landscapes.  These  systems  are  especially  complex  in  urban  and  human-impacted  landscapes,  where  nutrient  loading,  altered  hydrology,  and  ecosystem  management  practices  interact  with  natural  drivers  of  biogeochemical  processes.  Knowledge  gaps  in  our  understanding  of  winter  dynamics  and  the  rarity  of  long-term  datasets  inspired  the  following  dissertation  research  on  the  ecological  and  biogeochemical  dynamics  of  shallow  urban  ponds  and  lakes.  Chapter  1,  I  characterize  the  under-ice  oxygen  and  greenhouse  gas  dynamics  of  20  urban  ponds  to  understand  how  productivity,  ice  conditions,  and  antecedent  summer  characteristics  shape  winter  biogeochemistry.  By  focusing  on  the  less-studied  winter  season,  this  chapter  highlights  the  importance  of  year-round  monitoring  in  small,  urban  waterbodies.  Chapter  2  used  long-term  datasets  to  investigate  ecological  state  change  in  Lake  Wingra,  a  shallow,  eutrophic  lake  that  underwent  biomanipulation  to  reduce  common  carp  populations.  I  ask  whether  this  single  intervention  led  to  a  lasting  shift  from  an  algal  to  macrophyte-dominated  state,  and  explore  the  mechanisms  underlying  persistence,  including  changes  in  nutrient  dynamics  and  primary  producer  communities.  This  chapter  contributes  to  the  broader  understanding  of  ecosystem  stability,  feedbacks,  and  management  outcomes  in  shallow  lakes.  Chapter  3  focuses  on  spatial  and  seasonal  variability  in  CO2  concentrations  and  fluxes  within  a  macrophyte-dominated,  shallow  lake.  I  provide  new  insights  into  how  aquatic  vegetation,  ice  cover,  and  seasonal  productivity  shape  lake-level  carbon  dynamics.  Together,  these  chapters  advance  our  understanding  of  shallow,  human-impacted  aquatic  systems  by  providing  novel  empirical  data  and  long-term  perspectives  on  their  structure  and  function.  By  integrating  season,  spatial,  and  temporal  dynamics,  this  work  contributes  to  our  understanding  of  how  urban  waterbodies  might  respond  to  changing  climate,  and  how  that  might  influence  water  quality.
■590    ▼aSchool  code:  0262.
■650  4▼aLimnology
■650  4▼aEcology
■650  4▼aMarine  geology
■653    ▼aBiomanipulation
■653    ▼aCarbon  dynamics
■653    ▼aGreenhouse  gas
■653    ▼aShallow  lakes
■653    ▼aUrban  ponds
■653    ▼aWinter  limnology
■690    ▼a0793
■690    ▼a0556
■690    ▼a0329
■71020▼aThe  University  of  Wisconsin  -  Madison▼bFreshwater  &  Marine  Science.
■7730  ▼tDissertations  Abstracts  International▼g86-12B.
■790    ▼a0262
■791    ▼aPh.D.
■792    ▼a2025
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17358371▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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