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Rethinking Habitat Structure: Using LiDAR-Derived Metrics to Understand Avian Diversity
Rethinking Habitat Structure: Using LiDAR-Derived Metrics to Understand Avian Diversity
상세정보
- 자료유형
- 학위논문 서양
- 최종처리일시
- 20260202105705
- ISBN
- 9798263311131
- DDC
- 574.5
- 서명/저자
- Rethinking Habitat Structure: Using LiDAR-Derived Metrics to Understand Avian Diversity
- 발행사항
- [Sl] : The Ohio State University, 2025
- 발행사항
- Ann Arbor : ProQuest Dissertations & Theses, 2025
- 형태사항
- 183 p
- 주기사항
- Source: Dissertations Abstracts International, Volume: 87-05, Section: B.
- 주기사항
- Advisor: Jarzyna, Marta A.
- 학위논문주기
- Thesis (Ph.D.)--The Ohio State University, 2025.
- 초록/해제
- 요약From habitat loss to habitat fragmentation, habitat structure is a key driver of biodiversity patterns and, in turn, ecosystem functioning. Habitat structure is comprised of two main components: habitat composition (area or volume of habitat) and habitat configuration (horizontal and vertical arrangement of habitat). Despite their importance, most studies fail to examine each component separately or use three-dimensional (3D) measures of habitat structure to assess biodiversity patterns. This research gap has fueled many debates about which aspects of habitat structure are important in shaping biodiversity patterns and even whether their effects are positive or negative. To address this, I use Light Detecting and Ranging (LiDAR) data to develop novel 3D metrics that capture both internal and edge habitat structure, and then apply these metrics to examine aspects of taxonomic, functional, and phylogenetic diversity patterns of North American birds. In Chapter 1, I provide an overview of the current state of structural ecology research and highlight areas of key knowledge gaps. In Chapter 2, I use data from the National Science Foundation (NSF)?s National Ecological Observatory Network (NEON) to examine how internal habitat structure shapes multiple forms of avian community diversity using both two-dimensional (2D) and 3D structural metric. I find that traits and functional diversity were more correlated with structural metrics than either taxonomic or functional diversity, but that 2D and 3D metrics had different relationships to biodiversity. In Chapters 3 and 4, I use Breeding Bird Survey as a primary data source to examine the effects of habitat edge structure and compare two different types of LiDAR systems. In Chapter 3, I develop a novel 3D metric to quantify the vertical structure of habitat edges and assess its impact on avian diversity. Comparisons of this new 3D metric with traditional 2D metrics of edge structure reveal significant differences between the two metrics, underscoring unique insights gained from direct measures of vertical structure. In Chapter 4, I evaluate the ability of NASA?s Global Ecosystem Dynamics Investigation (GEDI) mission, a spaceborne LiDAR system, to capture habitat structure despite its patchy sampling coverage. I generate a number of structural metrics using GEDI data and compare them with those derived from regional airborne LiDAR to evaluate their explanatory and predictive performance in models of avian diversity. I find that while both LiDAR data types demonstrate equal predictive performance, airborne LiDAR outperforms GEDI LiDAR in most ecological models with a range of agreement seen across different structural metrics and diversity indices. Together, this body of work advances our understanding of the strengths and limitations of LiDAR-based structural analysis, offering a roadmap for future research on habitat structure and its role in shaping biodiversity.
- 일반주제명
- Ecology
- 일반주제명
- Macroecology
- 일반주제명
- Remote sensing
- 키워드
- Biodiversity
- 키워드
- Avian diversity
- 기타저자
- The Ohio State University Evolution Ecology and Organismal Biology
- 기본자료저록
- Dissertations Abstracts International. 87-05B.
- 전자적 위치 및 접속
- 로그인 후 원문을 볼 수 있습니다.
MARC
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■006m o d
■007cr#unu||||||||
■020 ▼a9798263311131
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■035 ▼a(MiAaPQ)OhioLINK:osu1751316958123851
■040 ▼aMiAaPQ▼cMiAaPQ
■0820 ▼a574.5
■1001 ▼aSweeney, Colin Padraic.
■24510▼aRethinking Habitat Structure: Using LiDAR-Derived Metrics to Understand Avian Diversity
■260 ▼a[Sl]▼bThe Ohio State University▼c2025
■260 1▼aAnn Arbor▼bProQuest Dissertations & Theses▼c2025
■300 ▼a183 p
■500 ▼aSource: Dissertations Abstracts International, Volume: 87-05, Section: B.
■500 ▼aAdvisor: Jarzyna, Marta A.
■5021 ▼aThesis (Ph.D.)--The Ohio State University, 2025.
■520 ▼aFrom habitat loss to habitat fragmentation, habitat structure is a key driver of biodiversity patterns and, in turn, ecosystem functioning. Habitat structure is comprised of two main components: habitat composition (area or volume of habitat) and habitat configuration (horizontal and vertical arrangement of habitat). Despite their importance, most studies fail to examine each component separately or use three-dimensional (3D) measures of habitat structure to assess biodiversity patterns. This research gap has fueled many debates about which aspects of habitat structure are important in shaping biodiversity patterns and even whether their effects are positive or negative. To address this, I use Light Detecting and Ranging (LiDAR) data to develop novel 3D metrics that capture both internal and edge habitat structure, and then apply these metrics to examine aspects of taxonomic, functional, and phylogenetic diversity patterns of North American birds. In Chapter 1, I provide an overview of the current state of structural ecology research and highlight areas of key knowledge gaps. In Chapter 2, I use data from the National Science Foundation (NSF)?s National Ecological Observatory Network (NEON) to examine how internal habitat structure shapes multiple forms of avian community diversity using both two-dimensional (2D) and 3D structural metric. I find that traits and functional diversity were more correlated with structural metrics than either taxonomic or functional diversity, but that 2D and 3D metrics had different relationships to biodiversity. In Chapters 3 and 4, I use Breeding Bird Survey as a primary data source to examine the effects of habitat edge structure and compare two different types of LiDAR systems. In Chapter 3, I develop a novel 3D metric to quantify the vertical structure of habitat edges and assess its impact on avian diversity. Comparisons of this new 3D metric with traditional 2D metrics of edge structure reveal significant differences between the two metrics, underscoring unique insights gained from direct measures of vertical structure. In Chapter 4, I evaluate the ability of NASA?s Global Ecosystem Dynamics Investigation (GEDI) mission, a spaceborne LiDAR system, to capture habitat structure despite its patchy sampling coverage. I generate a number of structural metrics using GEDI data and compare them with those derived from regional airborne LiDAR to evaluate their explanatory and predictive performance in models of avian diversity. I find that while both LiDAR data types demonstrate equal predictive performance, airborne LiDAR outperforms GEDI LiDAR in most ecological models with a range of agreement seen across different structural metrics and diversity indices. Together, this body of work advances our understanding of the strengths and limitations of LiDAR-based structural analysis, offering a roadmap for future research on habitat structure and its role in shaping biodiversity.
■590 ▼aSchool code: 0168.
■650 4▼aEcology
■650 4▼aMacroecology
■650 4▼aRemote sensing
■653 ▼aBiodiversity
■653 ▼aHabitat structure
■653 ▼aAvian diversity
■653 ▼aCommunity diversity
■653 ▼aFunctional diversity
■690 ▼a0329
■690 ▼a0420
■690 ▼a0799
■71020▼aThe Ohio State University▼bEvolution, Ecology and Organismal Biology.
■7730 ▼tDissertations Abstracts International▼g87-05B.
■790 ▼a0168
■791 ▼aPh.D.
■792 ▼a2025
■793 ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17361100▼nKERIS▼z이 자료의 원문은 한국교육학술정보원에서 제공합니다.


