【摘 要】
：
人工养殖的濒危动物的野外放归是维持和壮大其野外种群数量的重要途径和手段.2007年6月中旬,将2雄4雌6条成年扬子鳄(Alligator sinensis)释放到崇明东滩湿地公园.释放地点为
【机 构】
：
华东师范大学生命科学学院,上海200241上海崇明东滩鸟类国家级自然保护区,上海202183WildlifeConservationSociety,NewYork10460,USA
【出 处】
：
中国动物学会两栖爬行动物学分会2014年学术研讨会
论文部分内容阅读
人工养殖的濒危动物的野外放归是维持和壮大其野外种群数量的重要途径和手段.2007年6月中旬,将2雄4雌6条成年扬子鳄(Alligator sinensis)释放到崇明东滩湿地公园.释放地点为公园内的一个面积约为4.5 ha的小型湖泊,湖中有岛.采用无线电遥测技术测定其到11月底的活动范围.其中1雄1雌野放后不久意外死亡,剩下的3条雌性扬子鳄在遥测期间均以初始放归地点一小湖为活动中心,另一条雄性扬子鳄则从8月份开始主要在紧邻小湖的芦苇荡中活动.6月份的遥测显示,野放的扬子鳄以小湖为中心对周围生境进行探索适应,7月下旬到9月初是活动高峰时期,远离小湖的遥测位点主要在这两个时期出现.
其他文献
Energy storage is an important component of life history of species that directly influences survival and reproduction.The energetic demands of amphibian reprod
In anuran amphibians,mating without amplexus is known for less than six species.Here we provide a new example of simultaneous polyandry with multiple males not
The concave-eared frog,Odorrana tormota,is a rare species native to eastern China and the first non-mammalian vertebrate demonstrated to both produce and percei
Sexual dimorphism is a widespread phenomenon throughout animal kingdom and is an important topic of evolutionary biology.Though many researches on the sexual di
利用粪便样品检测性腺类固醇激素代谢水平在很多物种中已得到有效应用,但是在爬行动物中相应的研究还较少.2011年5月到10月对广东罗坑自然保护区的10只(5雄5雌)鳄蜥进行粪便
无尾两栖类几乎完全依靠声音通讯进行配偶选择.锯腿树蛙是树蛙科的代表物种.锯腿树蛙(Philautus odontotarsus)为树蛙科小树蛙属的两栖动物,分布于我国的广西、海南、云南、
Acoustic communication plays an important role in reproduction and male-male competition in a wide variety of animals.Study of the frequency sensitivity of the
Male advertisement calls in anuran species range from simple to considerably complex and are believed to play unique roles in sexual selection.However,it is not
Ichthyophis bannanicus is the only caecilian species in China.In this study,the phylogeograhy and conservation genetics of I.bannanicus were explored,based on m
Recent research suggests that oxidative stress has been considered one of the main ecological and evolutionary forces.Several environmemal stressors at high alt