Population Structures and Diets of Two Species of <i>Pisodonophis</i>(Ophichthidae) from the Southwest Coast of Taiwan  

作　　者：Feng-Jiau Lin Hsiao-Yun Chang Chun-Wen Tsao Hung-Du Lin Yih-Tsong Ueng Feng-Jiau Lin;Hsiao-Yun Chang;Chun-Wen Tsao;Hung-Du Lin;Yih-Tsong Ueng(Tainan Hydraulics Laboratory, National Cheng Kung University, Taiwan;Department of Biological Sciences and Technology Asia University, Taiwan;Department of Environmental Engineering, Kun-Shan University, Taiwan;The Affiliated School of National Tainan First Senior High School, Taiwan)

机构地区：[1]Tainan Hydraulics Laboratory, National Cheng Kung University, Taiwan [2]Department of Biological Sciences and Technology Asia University, Taiwan [3]Department of Environmental Engineering, Kun-Shan University, Taiwan [4]The Affiliated School of National Tainan First Senior High School, Taiwan

出　　处：《Natural Resources》2021年第6期197-204,共8页自然资源（英文）

摘　　要：<span style="font-family:Verdana;">This study was used</span><span style="font-family:Verdana;"> to</span><span style="font-family:;" "=""><span style="font-family:Verdana;"> lift nets and trap net fishing at intertidal zone of lagoon and estuarine regions of southern Taiwan. From July 2013 to July 2018, a total 420 specimens of </span><i><span style="font-family:Verdana;">Pisodonophis</span></i><span style="font-family:Verdana;"> were analyzed, the average total body length (TL) and average body weight (W) of </span><i><span style="font-family:Verdana;">P</span></i><span style="font-family:Verdana;">. </span><i><span style="font-family:Verdana;">boro</span></i><span style="font-family:Verdana;"> eels are 68.4 ± 11.9 cm and 140.4 ± 86.1 g (N = 194), respectively. Typically, </span><i><span style="font-family:Verdana;">P</span></i><span style="font-family:Verdana;">. </span><i><span style="font-family:Verdana;">cancrivorus</span></i><span style="font-family:Verdana;"> eels are smaller (TL = 52.8 ± 9.2 cm) and lighter (W = 107.9 ± 73.7 g [N = 119]) than </span><i><span style="font-family:Verdana;">P</span></i><span style="font-family:Verdana;">. </span><i><span style="font-family:Verdana;">boro</span></i><span style="font-family:Verdana;"> eels. The natural logarithmic linear relationships between the TL and W of </span><i><span style="font-family:Verdana;">P</span></i><span style="font-family:Verdana;">. </span><i><span style="font-family:Verdana;">boro</span></i><span style="font-family:Verdana;"> and </span><i><span style="font-family:Verdana;">P</span></i><span style="font-family:Verdana;">. </span><i><span style="font-family:Verdana;">cancrivorus</span></i><span style="font-family:Verdana;"> are respectively expressed as ln(W)</span>_{<span style="font-family:Verdana;">b</span>}<span style="font-family:Verdana;"> = 2.4405 ln(TL) <span style="white-space:nowrap;">&#8722;</span> 5.4448 (R</span>^{<span style="font-family:Verdana;">2</span>}<span style="font-family:Verdana;"> = 0.796, N = 19<span style="font-family:Verdana;">This study was used</span><span style="font-family:Verdana;"> to</span><span style="font-family:;" "=""><span style="font-family:Verdana;"> lift nets and trap net fishing at intertidal zone of lagoon and estuarine regions of southern Taiwan. From July 2013 to July 2018, a total 420 specimens of </span><i><span style="font-family:Verdana;">Pisodonophis</span></i><span style="font-family:Verdana;"> were analyzed, the average total body length (TL) and average body weight (W) of </span><i><span style="font-family:Verdana;">P</span></i><span style="font-family:Verdana;">. </span><i><span style="font-family:Verdana;">boro</span></i><span style="font-family:Verdana;"> eels are 68.4 ± 11.9 cm and 140.4 ± 86.1 g (N = 194), respectively. Typically, </span><i><span style="font-family:Verdana;">P</span></i><span style="font-family:Verdana;">. </span><i><span style="font-family:Verdana;">cancrivorus</span></i><span style="font-family:Verdana;"> eels are smaller (TL = 52.8 ± 9.2 cm) and lighter (W = 107.9 ± 73.7 g [N = 119]) than </span><i><span style="font-family:Verdana;">P</span></i><span style="font-family:Verdana;">. </span><i><span style="font-family:Verdana;">boro</span></i><span style="font-family:Verdana;"> eels. The natural logarithmic linear relationships between the TL and W of </span><i><span style="font-family:Verdana;">P</span></i><span style="font-family:Verdana;">. </span><i><span style="font-family:Verdana;">boro</span></i><span style="font-family:Verdana;"> and </span><i><span style="font-family:Verdana;">P</span></i><span style="font-family:Verdana;">. </span><i><span style="font-family:Verdana;">cancrivorus</span></i><span style="font-family:Verdana;"> are respectively expressed as ln(W)</span>_{<span style="font-family:Verdana;">b</span>}<span style="font-family:Verdana;"> = 2.4405 ln(TL) <span style="white-space:nowrap;">&#8722;</span> 5.4448 (R</span>^{<span style="font-family:Verdana;">2</span>}<span style="font-family:Verdana;"> = 0.796, N = 19

关 键 词：Pisodonophis boro P. cancrivorus Population Structure DIET OVERFISHING TAIWAN 

分 类 号：O17[理学—数学]