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dvdconginenta磁性醫院鄭金洪
   
   
   
     
   
 
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1
題名:A Structural Equation Model for Physiochemical Variables of Water, Benthic Invertebrates, and Feeding Activity of Waterbirds in the Sitsao Wetlands of Southern Taiwan    
利用線性結構模式探討四草溼地水深及化學變數、底棲無脊椎動物和水鳥進食活動的關係
著者:Shih-Hsiung Liang(梁世雄) ;Bao-Sen Shieh(謝寶森) ;Yaw-Syan Fu(傅耀賢)
出版地區:台灣
出版城市:台北市
學科:生命科學 ; 醫學綜合
關鍵字:線性結構模式 ; 水深 ; 底棲無脊椎動物 ; 進食活動 ; 水鳥 ; Structural equation model ; Water depth ; Benthic invertebrates ; Feeding activity ; Waterbirds
刊名:Zoological Studies 
頁碼:441-451
語言:英語
摘要: 中文摘要PDF ; 英文摘要PDF

本研究利用線性結構模式探索底棲無脊椎動物與水深及化學變數的關係,並進而瞭解它們與水鳥進食活動的直接和間接關係。我們於1997年9月至1998年8月每月到四草溼地的16個樣點進行野外調查。水域及底棲無脊椎動物資料經由因子分析分別得到一個水域因子和兩個底棲無脊椎動物因子;我們先將水鳥歸類成十個食群,再經由因子分析得到三個水鳥進食活動因子。利用這六個因子組成最初始模式,然後經由線性結構模式及路徑分析結果,修改這初始模式。最終模式顯示水深影響所有三個水鳥進食因子,鹽度只有影響小型底棲無脊椎動物因子,小型底棲無脊椎動物因子進而影響紅冠水雞及水鴨進食因子。為進一步檢視最後接受的模式,我們利用重複測量變方分析探討模式中變數的時空變化。在最後模式中三個相關的變數(鹽度、小型底棲無脊椎動物因子、紅冠水雞及水鴨進食因子)在不同的溼地形式有顯著的差異,且此差異並不隨月份不同而改變。我們並根據結構模式與重複測量變方分析的結果,提出增加四草溼地不同覓食鳥群的棲地經營建議。
We used structural equation modeling to explore the relationships between benthic invertebrates and physiochemical variables of water, and investigated their direct and indirect effects on waterbird feeding activities. Sixteen sites located in the Sitsao wetlands of southern Taiwan were sampled on a monthly basis from Sept. 1997 to Aug. 1998. Factor analysis identified 1 factor for physiochemical variables and 2 factors for benthic invertebrates. We classified waterbirds into 10 feeding groups, and factor analysis of the feeding activities of these groups suggested 3 feeding factors. Therefore, we used 6 factors to construct an initial model examining their causal relationships to each other and then modified the models to obtain more significant paths. Results indicate that water depth affected all 3 waterbird feeding factors, and salinity influenced only the small-invertebrate factor, which in turn directly affected the surface-feeding factor. Daily lowest water temperature affected only the wading-feeding factor in the final model. To further examine the final structural model, we used repeated measures ANOVA to analyze temporal variations in variables among the 4 types of wetlands: unused salt fields, abandoned fish ponds, active fish ponds, and mangroves. Three related variables (salinity, the small-invertebrate factor, and the surface-feeding factor) varied significantly among wetland types, although the differences did not significantly change from month to month. We conclude that the results of structural equation modeling combined with repeated measures ANOVA provide important information that can be useful in managing the Sitsao wetlands for different feeding groups of waterbirds.


    

本卷期目次
Zoological Studies 
Karyology of Ten Vespertilionid Bats (Chiroptera: Vespertilionidae) from Taiwan/ Liang-Kong LinMasaharu MotokawaMasashi Harada
Modeling the Effects of Satiation on the Feeding Rate of a Colonial Suspension Feeder, Acanthogorgia vegae, in a Circulating System under Lab Conditions/ Ming-Chao LinChung-Min LiaoChang-Feng Dai
Visual Organization and Spectral Sensitivity of Larval Eyes in the Moth Trabala vishnou Lefebur (Lepidoptera: Lasiocampidae)/ Jin-Tun LinPi-Chi HwangLi-Chu Tung
Genetic Variation of the Green-lipped Mussel Perna viridis (L.) (Mytilidae: Mytiloida: Mytilicae) from the West Coast of Peninsular Malaysia/ Chee-Kong YapSoon-Guan TanAhmad IsmailHishamuddin Omar
Seven New Species of Kinnara Distant (Hemiptera: Fulgoroidea: Kinnaridae), with Notes on Antennal Sensilla and Wax Glands/ Ai-Ping Liang
Six New Species of Jumping Spiders (Araneae: Salticidae) from Hui-Sun Experimental Forest Station, Taiwan/ You-Hui BaoXian-Jin Peng
Gonadal Structure and Gametogenesis of Trigla lyra (Pisces: Triglidae)/ Marta MunozMaria SabatSandra MallolMargarida Casadevall
Molecular Techniques to Identify Freshwater Eels: RFLP Analyses of PCR-amplified DNA Fragments and Allele-specific PCR from Mitochondrial DNA/ Yeong-Shin LinYu-Ping PohSi-Min LinChyng-Shyan Tzeng
Parupeneus insularis, a New Central Pacific Species of Goatfish (Perciformes: Mullidae) of the P. trifasciatus Complex/ John E. RandallRobert F. Myers
A Structural Equation Model for Physiochemical Variables of Water, Benthic Invertebrates, and Feeding Activity of Waterbirds in the Sitsao Wetlands of Southern Taiwan/ Shih-Hsiung LiangBao-Sen ShiehYaw-Syan Fu
Geographical Variation of Mandible Size and Shape in the Wild Pig (Sus scrofa) from Taiwan and Japan/ Hideki EndoYoshihiro HayashiKyomi YamazakiMasaharu MotokawaJai-Chyi Kurtis PeiLiang-Kong LinCheng-Han ChouTatsuo Oshida
 
   
 
   

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