L. Natanson, William B. Driggers III, C. McCandless, N. Kohler
{"title":"北大西洋西部虎鲨（Galeocerdo cuvier）最新繁殖参数","authors":"L. Natanson, William B. Driggers III, C. McCandless, N. Kohler","doi":"10.7755/fb.121.3.3","DOIUrl":null,"url":null,"abstract":"— Reproductive data collected through anatomical dissection, from 48 female and 66 male tiger sharks ( Galeocerdo cuvier ) captured in the west- ern North Atlantic Ocean, were used to assess stage of maturity. The fork length (FL) of examined females and males ranged from 88 to 318 cm and from 84 to 349 cm, respectively. Median length at maturity ( L 50 ) was calculated by using binomial maturity data from dissections in addition to maturity assignments based on clasper condition examination of 320 males (46–280 cm FL) and pub- lished maturity data for 14 males (170– 313 cm FL) and 28 females (242–312 cm FL). Further, sex- specific median age at maturity ( A 50 ) was calculated by using direct age estimates and the aforemen-tioned binomial maturity data from the dissected specimens. Females reached L 50 at 261.4 cm FL and A 50 at 11.6 years. Males reached L 50 at 258.9 cm FL and A 50 at 9.5 years.","PeriodicalId":50442,"journal":{"name":"Fishery Bulletin","volume":null,"pages":null},"PeriodicalIF":0.8000,"publicationDate":"2023-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Updated reproductive parameters for the tiger shark (Galeocerdo cuvier) in the western North Atlantic Ocean\",\"authors\":\"L. Natanson, William B. Driggers III, C. McCandless, N. Kohler\",\"doi\":\"10.7755/fb.121.3.3\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"— Reproductive data collected through anatomical dissection, from 48 female and 66 male tiger sharks ( Galeocerdo cuvier ) captured in the west- ern North Atlantic Ocean, were used to assess stage of maturity. The fork length (FL) of examined females and males ranged from 88 to 318 cm and from 84 to 349 cm, respectively. Median length at maturity ( L 50 ) was calculated by using binomial maturity data from dissections in addition to maturity assignments based on clasper condition examination of 320 males (46–280 cm FL) and pub- lished maturity data for 14 males (170– 313 cm FL) and 28 females (242–312 cm FL). Further, sex- specific median age at maturity ( A 50 ) was calculated by using direct age estimates and the aforemen-tioned binomial maturity data from the dissected specimens. Females reached L 50 at 261.4 cm FL and A 50 at 11.6 years. Males reached L 50 at 258.9 cm FL and A 50 at 9.5 years.\",\"PeriodicalId\":50442,\"journal\":{\"name\":\"Fishery Bulletin\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.8000,\"publicationDate\":\"2023-06-20\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Fishery Bulletin\",\"FirstCategoryId\":\"97\",\"ListUrlMain\":\"https://doi.org/10.7755/fb.121.3.3\",\"RegionNum\":4,\"RegionCategory\":\"农林科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"FISHERIES\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Fishery Bulletin","FirstCategoryId":"97","ListUrlMain":"https://doi.org/10.7755/fb.121.3.3","RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"FISHERIES","Score":null,"Total":0}
引用次数: 1
摘要
--从北大西洋西部捕获的48只雌性和66只雄性虎鲨（Galeocerdo cuvier）身上通过解剖收集的繁殖数据用于评估成熟阶段。接受检查的雌性和雄性的叉长（FL）分别为88至318厘米和84至349厘米。成熟时的中位长度（L50）是通过使用解剖的二项式成熟度数据以及基于320只雄性（46–280 cm FL）的扣环状况检查的成熟度分配以及14只雄性（170–313 cm FL）和28只雌性（242–312 cm FL）公布的成熟度数据来计算的。此外，通过使用直接年龄估计和上述解剖标本的二项式成熟度数据，计算了成熟时的性别特异性中位年龄（A 50）。雌性在261.4 cm FL时达到L50，11.6岁时达到A50。雄性在258.9厘米FL时达到L50，9.5岁时达到A50。
Updated reproductive parameters for the tiger shark (Galeocerdo cuvier) in the western North Atlantic Ocean
— Reproductive data collected through anatomical dissection, from 48 female and 66 male tiger sharks ( Galeocerdo cuvier ) captured in the west- ern North Atlantic Ocean, were used to assess stage of maturity. The fork length (FL) of examined females and males ranged from 88 to 318 cm and from 84 to 349 cm, respectively. Median length at maturity ( L 50 ) was calculated by using binomial maturity data from dissections in addition to maturity assignments based on clasper condition examination of 320 males (46–280 cm FL) and pub- lished maturity data for 14 males (170– 313 cm FL) and 28 females (242–312 cm FL). Further, sex- specific median age at maturity ( A 50 ) was calculated by using direct age estimates and the aforemen-tioned binomial maturity data from the dissected specimens. Females reached L 50 at 261.4 cm FL and A 50 at 11.6 years. Males reached L 50 at 258.9 cm FL and A 50 at 9.5 years.
期刊介绍：
The quarterly Fishery Bulletin is one of the oldest and most respected fisheries journals in the world. It has been an official publication of the U.S. Government since 1881, under various titles, and is the U.S. counterpart to other highly regarded governmental fisheries science publications. It publishes original research and interpretative articles in all scientific fields that bear on marine fisheries and marine mammal science.
京公网安备 11010802042870号
京ICP备2023020795号-1
分享
求助内容：
应助结果提醒方式：
扫码关注我们
