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Quantifying Ecosystem Service Trade-Offs to Advance Sustainable Intensification of U.S. Corn Belt Agriculture
Quantifying Ecosystem Service Trade-Offs to Advance Sustainable Intensification of U.S. Co...
Quantifying Ecosystem Service Trade-Offs to Advance Sustainable Intensification of U.S. Corn Belt Agriculture

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자료유형  
 학위논문 서양
최종처리일시  
20260202103106
ISBN  
9798286430284
DDC  
634.9
저자명  
Magala, Richard.
서명/저자  
Quantifying Ecosystem Service Trade-Offs to Advance Sustainable Intensification of U.S. Corn Belt Agriculture
발행사항  
[Sl] : Iowa State University, 2025
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2025
형태사항  
273 p
주기사항  
Source: Dissertations Abstracts International, Volume: 86-12, Section: A.
주기사항  
Advisor: Schulte Moore, Lisa;Tyndall, John C.
학위논문주기  
Thesis (Ph.D.)--Iowa State University, 2025.
초록/해제  
요약The U.S. Corn Belt, known for its agricultural productivity, faces significant challenges regarding environmental sustainability. More holistic quantification of trade-offs related to best management practice (BMP) adoption is needed to help farmers, consumers, supply chain actors, and policymakers develop a nuanced understanding of the agricultural system's configuration and constraints. A nuanced understanding could guide the actors in developing broad and robust support for farmers and landowners who strive to make different land use and management decisions toward balancing agricultural production and environmental goals. The overarching goal of this dissertation is to develop a deeper understanding of the economic and environmental trade-offs associated with the adoption of BMPs in intensively modified agricultural landscapes. I employed multiple approaches, including process-based modeling, non-dominating sorting genetic optimization algorithms, and digital game-based learning tools (DGBL), to achieve this goal. In Chapter 2, I assess the Agricultural Production System sIMulator (APSIM) model's ability to predict long-term soil organic carbon (SOC) and yield dynamics in the U.S. Corn Belt. Results show that APSIM's SOC predictions, evaluated using over a century of field data from the Morrow Plots, demonstrated acceptable prediction accuracy, supporting its potential use in carbon programs. The complexity of agricultural management often hinders stakeholder discussions about trade-offs among production and environmental outcomes associated with BMP adoption, and opportunities to support farmers financially through environmental markets. Thus, in Chapter 3, I examine these trade-offs in-depth, including the effect of adopting cover crops, contour prairie strips, reduced tillage, and residue retention through an integrated multi-objective optimization framework. The framework integrates output from the calibrated APSIM model with publicly available geographical and economic data. Land use scenarios developed from optimizing BMP placement locations generated higher ecosystem service benefits than the baseline scenario based on historical cropping systems. The monetization results indicate that environmental markets could span profitability gaps caused by BMP implementation costs and yield reductions. However, sensitivity analysis indicated that environmental credit prices must increase by at least 50% to improve the economic prospects of BMP adoption. In Chapter 4, I integrate a greenhouse gas (GHG) prediction framework into the People in Ecosystems Watershed Integration (PEWI) DGBL tool to advance a spatially explicit ecosystem service trade-off analysis to support environmental education. This module enables students to explore GHG emissions and SOC storage for different land uses represented within PEWI. Training students to effectively evaluate complex information toward maximizing synergies and minimizing trade-offs is crucial for achieving multidimensional agricultural and natural resource goals. To this end, in Chapter 5, I evaluate PEWI's educational effectiveness in teaching land-use trade-offs. Results from a survey of 58 volunteer students enrolled in an undergraduate natural resource economics class at Iowa State University indicate that PEWI enhances critical thinking, comprehension, and self-efficacy in designing agricultural landscapes for food, fiber, and fuel production. This case study highlights PEWI's contributions to teaching and learning experiences that prepare students to holistically evaluate complex information related to agricultural land uses and ecosystem service outcomes.
일반주제명  
Forestry
일반주제명  
Climate change
일반주제명  
Agriculture
일반주제명  
Sustainability
키워드  
APSIM
키워드  
Best management practices
키워드  
Digital game
키워드  
Ecosystem service
키워드  
Genetic optimization algorithms
키워드  
Morrow Plots
기타저자  
Iowa State University Natural Resource Ecology and Management
기본자료저록  
Dissertations Abstracts International. 86-12A.
전자적 위치 및 접속  
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MARC

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■300    ▼a273  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  86-12,  Section:  A.
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■5021  ▼aThesis  (Ph.D.)--Iowa  State  University,  2025.
■520    ▼aThe  U.S.  Corn  Belt,  known  for  its  agricultural  productivity,  faces  significant  challenges  regarding  environmental  sustainability.  More  holistic  quantification  of  trade-offs  related  to  best  management  practice  (BMP)  adoption  is  needed  to  help  farmers,  consumers,  supply  chain  actors,  and  policymakers  develop  a  nuanced  understanding  of  the  agricultural  system's  configuration  and  constraints.  A  nuanced  understanding  could  guide  the  actors  in  developing  broad  and  robust  support  for  farmers  and  landowners  who  strive  to  make  different  land  use  and  management  decisions  toward  balancing  agricultural  production  and  environmental  goals.  The  overarching  goal  of  this  dissertation  is  to  develop  a  deeper  understanding  of  the  economic  and  environmental  trade-offs  associated  with  the  adoption  of  BMPs  in  intensively  modified  agricultural  landscapes.  I  employed  multiple  approaches,  including  process-based  modeling,  non-dominating  sorting  genetic  optimization  algorithms,  and  digital  game-based  learning  tools  (DGBL),  to  achieve  this  goal.  In  Chapter  2,  I  assess  the  Agricultural  Production  System  sIMulator  (APSIM)  model's  ability  to  predict  long-term  soil  organic  carbon  (SOC)  and  yield  dynamics  in  the  U.S.  Corn  Belt.  Results  show  that  APSIM's  SOC  predictions,  evaluated  using  over  a  century  of  field  data  from  the  Morrow  Plots,  demonstrated  acceptable  prediction  accuracy,  supporting  its  potential  use  in  carbon  programs.  The  complexity  of  agricultural  management  often  hinders  stakeholder  discussions  about  trade-offs  among  production  and  environmental  outcomes  associated  with  BMP  adoption,  and  opportunities  to  support  farmers  financially  through  environmental  markets.  Thus,  in  Chapter  3,  I  examine  these  trade-offs  in-depth,  including  the  effect  of  adopting  cover  crops,  contour  prairie  strips,  reduced  tillage,  and  residue  retention  through  an  integrated  multi-objective  optimization  framework.  The  framework  integrates output  from  the  calibrated  APSIM  model  with  publicly  available  geographical  and  economic  data.  Land  use  scenarios  developed  from  optimizing  BMP  placement  locations  generated  higher  ecosystem  service  benefits  than  the  baseline  scenario  based  on  historical  cropping  systems.  The  monetization  results  indicate  that  environmental  markets  could  span  profitability  gaps  caused  by  BMP  implementation  costs  and  yield  reductions.  However,  sensitivity  analysis  indicated  that  environmental  credit  prices  must  increase  by  at  least  50%  to  improve  the  economic  prospects  of  BMP  adoption.  In  Chapter  4,  I  integrate  a  greenhouse  gas  (GHG)  prediction  framework  into  the  People  in  Ecosystems  Watershed  Integration  (PEWI)  DGBL  tool  to  advance  a  spatially  explicit  ecosystem  service  trade-off  analysis  to  support  environmental  education.  This  module  enables  students  to  explore  GHG  emissions  and  SOC  storage  for  different  land  uses  represented  within  PEWI.  Training  students  to  effectively  evaluate  complex  information  toward  maximizing  synergies  and  minimizing  trade-offs  is  crucial  for  achieving  multidimensional  agricultural  and  natural  resource  goals.  To  this  end,  in  Chapter  5,  I  evaluate  PEWI's  educational  effectiveness  in  teaching  land-use  trade-offs.  Results  from  a  survey  of  58  volunteer  students  enrolled  in  an  undergraduate  natural  resource  economics  class  at  Iowa  State  University  indicate  that  PEWI  enhances  critical  thinking,  comprehension,  and  self-efficacy  in  designing  agricultural  landscapes  for  food,  fiber,  and  fuel  production.  This  case  study  highlights  PEWI's  contributions  to  teaching  and  learning  experiences  that  prepare  students  to  holistically  evaluate  complex  information  related  to  agricultural  land  uses  and  ecosystem  service  outcomes.
■590    ▼aSchool  code:  0097.
■650  4▼aForestry
■650  4▼aClimate  change
■650  4▼aAgriculture
■650  4▼aSustainability
■653    ▼aAPSIM
■653    ▼aBest  management  practices
■653    ▼aDigital  game
■653    ▼aEcosystem  service
■653    ▼aGenetic  optimization  algorithms
■653    ▼aMorrow  Plots
■690    ▼a0478
■690    ▼a0404
■690    ▼a0473
■690    ▼a0640
■690    ▼a0474
■71020▼aIowa  State  University▼bNatural  Resource  Ecology  and  Management.
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■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17356950▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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