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  1. National Taiwan Ocean University Research Hub

The Feeding Preference, Spatial-Temporal Distribution, and Niche Partitioning of Two Sympatric Thresher Shark Species

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Project title
The Feeding Preference, Spatial-Temporal Distribution, and Niche Partitioning of Two Sympatric Thresher Shark Species
Code/計畫編號
MOST111-2313-B019-002-MY3
Translated Name/計畫中文名
兩種共域狐鮫之攝食偏好、時空分佈及生態區位區隔之研究
 
Project Coordinator/計畫主持人
Kwang-Ming Liu
Funding Organization/主管機關
National Science and Technology Center for Disaster Reduction
 
Department/Unit
Institute of Marine Affairs and Resource Management
Website
https://www.grb.gov.tw/search/planDetail?id=14518908
Year
2022
 
Start date/計畫起
01-08-2022
Expected Completion/計畫迄
31-07-2023
 
Bugetid/研究經費
1680千元
 
ResearchField/研究領域
漁業
 

Description

Abstract
本研究擬針對共存於相同的海域的深海狐鮫與淺海狐鮫的攝食偏好、時空分布及棲地分配利用進行深入探討。本研究將利用肌肉穩定性同位素分析針對δ13C與δ15N,探討性別、漁期、成熟階段及交互因子之影響,並估計兩物種之生態區位寬度及區位重疊度。同時,利用脊椎骨穩定性同位素分析,探討其不同生活史階段攝食偏好及棲地利用及分配情形,並進一步估計其在海洋生態系的營養位階。同時,本研究將以自浮式衛星標識籤標識於兩種狐鮫,進行其時空分布之調查。期望透過本研究之執行,能確實掌握淺海狐鮫與深海狐鮫的攝食偏好、營養階層、時空分布、棲地分配利用及生態區位區隔,做為未來管理及保育的參考。
 
Keyword(s)
攝食偏好
穩定性同位素分析
標識放流
pup-up衛星標識籤
棲地分配與利用
生態區位區隔
feeding preference
stable isotope analysis
tag-and-release
pop-up archival tags
habitat partition and utilization
niche partitioning
 
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