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Birds of Prey as a Model for Global Community Assembly. An Investigation of Relationships, Divergence Times, Biogeographic History, and Community Patterns in Diurnal Raptors (Accipitriformes and Falconiformes)
Birds of Prey as a Model for Global Community Assembly. An Investigation of Relationships,...
Birds of Prey as a Model for Global Community Assembly. An Investigation of Relationships, Divergence Times, Biogeographic History, and Community Patterns in Diurnal Raptors (Accipitriformes and Falconiformes)

Detailed Information

자료유형  
 학위논문 서양
최종처리일시  
20260202102939
ISBN  
9798293869244
DDC  
574.5
저자명  
Hejmadi, Shanta Rose.
서명/저자  
Birds of Prey as a Model for Global Community Assembly. An Investigation of Relationships, Divergence Times, Biogeographic History, and Community Patterns in Diurnal Raptors (Accipitriformes and Falconiformes)
발행사항  
[Sl] : University of Minnesota, 2023
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2023
형태사항  
227 p
주기사항  
Source: Dissertations Abstracts International, Volume: 87-03, Section: B.
주기사항  
Advisor: Barker, F. Keith.
학위논문주기  
Thesis (Ph.D.)--University of Minnesota, 2023.
초록/해제  
요약Species' evolutionary histories shape their present-day communities. The assembly of communities' ranges from in-situ diversification to prior diversification followed by dispersal. However, far from the simple indices of assembly mechanisms proposed by early models, myriad ecological and historical effects may shape community patterns over broad spatial and temporal scales. In this dissertation, I take an integrative approach to studying the evolutionary history and community assembly of diurnal raptors (orders Accipitriformes, including Cathartidae and Falconiformes) across the world. In Chapter 1, I compare the efficacy of an evolutionarily informed null model (DAMOCLES) to a random draw null model in their ability to detect patterns in community phylogenetic dispersion that suggest certain assembly processes in the context of biogeographic history. I found that the results of these two methods were largely correlated, but that in cases of complex biogeographic history, the DAMOCLES model has the power to detect structure in phylogenetic patterns whereas the random draw null model was overwhelmed. Chapter 2, I infer a fossil-calibrated, species-level phylogeny of Accipitriformes and Falconiformes using supermatrix methods; and I infer the biogeographic histories of Accipitriformes and Falconiformes based on this new phylogeny. My phylogeny is largely concordant with other partial phylogenies from literature and is particularly concordant in the node dates inferred by a recently published phylogeny of Accipitridae. My biogeographic history suggests an African origin for all of Accipitriformes and confirms the South American origin of Falconiformes, as well as illustrating how readily accipitriformes in particular have moved around the globe in the last ~24 million years. In Chapter 3, I use the evolutionarily informed model tested in Chapter 1, the phylogeny and biogeographic histories developed in Chapter 2, a large new trait dataset, and habitat data to quantify phylogenetic and functional dispersion in raptor communities across the world. I synthesize these results to suggest mechanisms driving historical and contemporary raptor community assembly both worldwide and regionally. I found that on a global scale, our results are most consistent with an early diversification and dispersal scenario of assembly, but regional patterns also showcase the complexity in the mode, temporal structure, and geographic trends of assembly in certain areas. Community functional patterns were strongly correlated with habitat structure, indicating a role for contemporary ecological assembly; and community phylogenetic patterns were concordant with biogeographic history, indicating the influence of evolutionary legacy effects as well.
일반주제명  
Ecology
일반주제명  
Biology
일반주제명  
Zoology
일반주제명  
Geobiology
키워드  
Accipitriformes
키워드  
Biogeographic history
키워드  
Community assembly
키워드  
Falconiformes
키워드  
Geometric morphometrics
키워드  
Phylogenetic comparative methods
기타저자  
University of Minnesota Ecology Evolution and Behavior
기본자료저록  
Dissertations Abstracts International. 87-03B.
전자적 위치 및 접속  
로그인 후 원문을 볼 수 있습니다.

MARC

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■1001  ▼aHejmadi,  Shanta  Rose.
■24510▼aBirds  of  Prey  as  a  Model  for  Global  Community  Assembly.  An  Investigation  of  Relationships,  Divergence  Times,  Biogeographic  History,  and  Community  Patterns  in  Diurnal  Raptors  (Accipitriformes  and  Falconiformes)
■260    ▼a[Sl]▼bUniversity  of  Minnesota▼c2023
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2023
■300    ▼a227  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  87-03,  Section:  B.
■500    ▼aAdvisor:  Barker,  F.  Keith.
■5021  ▼aThesis  (Ph.D.)--University  of  Minnesota,  2023.
■520    ▼aSpecies'  evolutionary  histories  shape  their  present-day  communities.  The  assembly  of  communities'  ranges  from  in-situ  diversification  to  prior  diversification  followed  by  dispersal.  However,  far  from  the  simple  indices  of  assembly  mechanisms  proposed  by  early  models,  myriad  ecological  and  historical  effects  may  shape  community  patterns  over  broad  spatial  and  temporal  scales.  In  this  dissertation,  I  take  an  integrative  approach  to  studying  the  evolutionary  history  and  community  assembly  of  diurnal  raptors  (orders  Accipitriformes,  including  Cathartidae  and  Falconiformes)  across  the  world.  In  Chapter  1,  I  compare  the  efficacy  of  an  evolutionarily  informed  null  model  (DAMOCLES)  to  a  random  draw  null  model  in  their  ability  to  detect  patterns  in  community  phylogenetic  dispersion  that  suggest  certain  assembly  processes  in  the  context  of  biogeographic  history.  I  found  that  the  results  of  these  two  methods  were  largely  correlated,  but  that  in  cases  of  complex  biogeographic  history,  the  DAMOCLES  model  has  the  power  to  detect  structure  in  phylogenetic  patterns  whereas  the  random  draw  null  model  was  overwhelmed.  Chapter  2,  I  infer  a  fossil-calibrated,  species-level  phylogeny  of  Accipitriformes  and  Falconiformes  using  supermatrix  methods;  and  I  infer  the  biogeographic  histories  of  Accipitriformes  and  Falconiformes  based  on  this  new  phylogeny.  My  phylogeny  is  largely  concordant  with  other  partial  phylogenies  from  literature  and  is  particularly  concordant  in  the  node  dates  inferred  by  a  recently  published  phylogeny  of  Accipitridae.  My  biogeographic  history  suggests  an  African  origin  for  all  of  Accipitriformes  and  confirms  the  South  American  origin  of  Falconiformes,  as  well  as  illustrating  how  readily  accipitriformes  in  particular  have  moved  around  the  globe  in  the  last  ~24  million  years.  In  Chapter  3,  I  use  the  evolutionarily  informed  model  tested  in  Chapter  1,  the  phylogeny  and  biogeographic  histories  developed  in  Chapter  2,  a  large  new  trait  dataset,  and  habitat  data  to  quantify  phylogenetic  and  functional  dispersion  in  raptor  communities  across  the  world.  I  synthesize  these  results  to  suggest  mechanisms  driving  historical  and  contemporary  raptor  community  assembly  both  worldwide  and  regionally.  I  found  that  on  a  global  scale,  our  results  are  most  consistent  with  an  early  diversification  and  dispersal  scenario  of  assembly,  but  regional  patterns  also  showcase  the  complexity  in  the  mode,  temporal  structure,  and  geographic  trends  of  assembly  in  certain  areas.  Community  functional  patterns  were  strongly  correlated  with  habitat  structure,  indicating  a  role  for  contemporary  ecological  assembly;  and  community  phylogenetic  patterns  were  concordant  with  biogeographic  history,  indicating  the  influence  of  evolutionary  legacy  effects  as  well.
■590    ▼aSchool  code:  0130.
■650  4▼aEcology
■650  4▼aBiology
■650  4▼aZoology
■650  4▼aGeobiology
■653    ▼aAccipitriformes
■653    ▼aBiogeographic  history
■653    ▼aCommunity  assembly
■653    ▼aFalconiformes
■653    ▼aGeometric  morphometrics
■653    ▼aPhylogenetic  comparative  methods
■690    ▼a0329
■690    ▼a0306
■690    ▼a0472
■690    ▼a0483
■71020▼aUniversity  of  Minnesota▼bEcology,  Evolution  and  Behavior.
■7730  ▼tDissertations  Abstracts  International▼g87-03B.
■790    ▼a0130
■791    ▼aPh.D.
■792    ▼a2023
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17356506▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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