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Fish Conservation in Mediterranean Ecosystems: Ecological Insights for Sustainable Management
Fish Conservation in Mediterranean Ecosystems: Ecological Insights for Sustainable Managem...
Fish Conservation in Mediterranean Ecosystems: Ecological Insights for Sustainable Management

상세정보

자료유형  
 학위논문 서양
최종처리일시  
20260202104638
ISBN  
9798290647081
DDC  
574.5
저자명  
Tracy, Erin Elizabeth.
서명/저자  
Fish Conservation in Mediterranean Ecosystems: Ecological Insights for Sustainable Management
발행사항  
[Sl] : University of California, Davis, 2025
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2025
형태사항  
142 p
주기사항  
Source: Dissertations Abstracts International, Volume: 87-01, Section: A.
주기사항  
Advisor: Rypel, Andrew L.;Fangue, Nann A.
학위논문주기  
Thesis (Ph.D.)--University of California, Davis, 2025.
초록/해제  
요약Healthy fish populations are an essential part of functional aquatic ecosystems which provide society and the environment with a multitude of benefits. However, after centuries of increasing habitat degradation and resource overexploitation, they are among the most imperiled on the planet. This is especially true for populations located in Mediterranean climates, where environmental needs must compete for the seasonally limited water supply with agricultural and urban use. Additionally, while native Mediterranean flora and fauna are adapted to the unique patterns of heavy rainfall in the winter followed by long dry summers, projected intensification of extreme weather events such as droughts and floods coupled with increased average air temperatures and decreased average precipitation pose a major threat. Natural resource managers are tasked with finding novel ways of sustainably managing aquatic ecosystems, yet basic knowledge on the relationships between fish and their environments is frequently lacking. For example, while the Central Mediterranean region of Chile supports a highly endemic and vulnerable assemblage of freshwater fishes, research on these species is still relatively scarce. Additionally, given the current and projected threats to California's aquatic ecosystems and fisheries, a deeper understanding of how these resources function could greatly contribute to long-term conservation efforts.The aim of this dissertation is to provide research that increases our understanding of how fish distribution and behavior are impacted by their environment, and how this knowledge can inform effective and sustainable conservation management. My dissertation focuses on several aspects of fisheries research and management, ranging from single-species behavior and movement to broader patterns in community ecology. Across all chapters, I explicitly consider how both human and environmental factors shape ecological responses. This work centers on case studies from two Mediterranean climate regions: the central valleys of Chile and California, as these ecosystems are especially threatened by current and future anthropogenic disturbances.In Chapter 1, I apply multi-species occupancy models to predict species richness and individual species occupancy in the data-limited systems of Central Chile. These findings offer critical insights for conserving these rapidly declining ecosystems. Chapters 2 and 3 focus on the ecology and management of sturgeon in California. Chapter 2 synthesizes current knowledge of the biological, ecological, and societal factors influencing Green and White Sturgeon management and identifies strategies that could support their conservation in California. Chapter 3 explores how the river flow regime impacts adult Southern Distinct Population Segment (sDPS) Green Sturgeon (Acipenser medirostris) spawning migration through the Sacramento-San Joaquin Delta, with implications for informing water management. Together, these chapters provide actionable information for fisheries and freshwater conservation, supporting sustainable management of Mediterranean river systems in a changing world.
일반주제명  
Ecology
일반주제명  
Animal sciences
일반주제명  
Sustainability
키워드  
Conservation management
키워드  
Fisheries
키워드  
Mediterranean climates
키워드  
Ecosystems
키워드  
Sustainable management
기타저자  
University of California, Davis Animal Biology
기본자료저록  
Dissertations Abstracts International. 87-01A.
전자적 위치 및 접속  
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MARC

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■035    ▼a(MiAaPQ)AAI32113673
■040    ▼aMiAaPQ▼cMiAaPQ
■0820  ▼a574.5
■1001  ▼aTracy,  Erin  Elizabeth.
■24510▼aFish  Conservation  in  Mediterranean  Ecosystems:  Ecological  Insights  for  Sustainable  Management
■260    ▼a[Sl]▼bUniversity  of  California,  Davis▼c2025
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2025
■300    ▼a142  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  87-01,  Section:  A.
■500    ▼aAdvisor:  Rypel,  Andrew  L.;Fangue,  Nann  A.
■5021  ▼aThesis  (Ph.D.)--University  of  California,  Davis,  2025.
■520    ▼aHealthy  fish  populations  are  an  essential  part  of  functional  aquatic  ecosystems  which  provide  society  and  the  environment  with  a  multitude  of  benefits.  However,  after  centuries  of  increasing  habitat  degradation  and  resource  overexploitation,  they  are  among  the  most  imperiled  on  the  planet.  This  is  especially  true  for  populations  located  in  Mediterranean  climates,  where  environmental  needs  must  compete  for  the  seasonally  limited  water  supply  with  agricultural  and  urban  use.  Additionally,  while  native  Mediterranean  flora  and  fauna  are  adapted  to  the  unique  patterns  of  heavy  rainfall  in  the  winter  followed  by  long  dry  summers,  projected  intensification  of  extreme  weather  events  such  as  droughts  and  floods  coupled  with  increased  average  air  temperatures  and  decreased  average  precipitation  pose  a  major  threat.  Natural  resource  managers  are  tasked  with  finding  novel  ways  of  sustainably  managing  aquatic  ecosystems,  yet  basic  knowledge  on  the  relationships  between  fish  and  their  environments  is  frequently  lacking.  For  example,  while  the  Central  Mediterranean  region  of  Chile  supports  a  highly  endemic  and  vulnerable  assemblage  of  freshwater  fishes,  research  on  these  species  is  still  relatively  scarce.  Additionally,  given  the  current  and  projected  threats  to  California's  aquatic  ecosystems  and  fisheries,  a  deeper  understanding  of  how  these  resources  function  could  greatly  contribute  to  long-term  conservation  efforts.The  aim  of  this  dissertation  is  to  provide  research  that  increases  our  understanding  of  how  fish  distribution  and  behavior  are  impacted  by  their  environment,  and  how  this  knowledge  can  inform  effective  and  sustainable  conservation  management.  My  dissertation  focuses  on  several  aspects  of  fisheries  research  and  management,  ranging  from  single-species  behavior  and  movement  to  broader  patterns  in  community  ecology.  Across  all  chapters,  I  explicitly  consider  how  both  human  and  environmental  factors  shape  ecological  responses.  This  work  centers  on  case  studies  from  two  Mediterranean  climate  regions:  the  central  valleys  of  Chile  and  California,  as  these  ecosystems  are  especially  threatened  by  current  and  future  anthropogenic  disturbances.In  Chapter  1,  I  apply  multi-species  occupancy  models  to  predict  species  richness  and  individual  species  occupancy  in  the  data-limited  systems  of  Central  Chile.  These  findings  offer  critical  insights  for  conserving  these  rapidly  declining  ecosystems.  Chapters  2  and  3  focus  on  the  ecology  and  management  of  sturgeon  in  California.  Chapter  2  synthesizes  current  knowledge  of  the  biological,  ecological,  and  societal  factors  influencing  Green  and  White  Sturgeon  management  and  identifies  strategies  that  could  support  their  conservation  in  California.  Chapter  3  explores  how  the  river  flow  regime  impacts  adult  Southern  Distinct  Population  Segment  (sDPS)  Green  Sturgeon  (Acipenser  medirostris)  spawning  migration  through  the  Sacramento-San  Joaquin  Delta,  with  implications  for  informing  water  management.  Together,  these  chapters  provide  actionable  information  for  fisheries  and  freshwater  conservation,  supporting  sustainable  management  of  Mediterranean  river  systems  in  a  changing  world.
■590    ▼aSchool  code:  0029.
■650  4▼aEcology
■650  4▼aAnimal  sciences
■650  4▼aSustainability
■653    ▼aConservation  management
■653    ▼aFisheries
■653    ▼aMediterranean  climates
■653    ▼aEcosystems
■653    ▼aSustainable  management
■690    ▼a0329
■690    ▼a0475
■690    ▼a0640
■71020▼aUniversity  of  California,  Davis▼bAnimal  Biology.
■7730  ▼tDissertations  Abstracts  International▼g87-01A.
■790    ▼a0029
■791    ▼aPh.D.
■792    ▼a2025
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17358288▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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