Results 31 to 40 of about 90,944 (161)
Abstract Constructed value of information (CVoI) is an expert elicitation decision‐analytic tool used to prioritize sources of uncertainty based on their potential to improve decision outcomes if resolved. Despite increased application of CVoI, the robustness of CVoI prioritization of sources of uncertainty relative to differences in expert elicitation
Kristin P. Davis +7 more
wiley +1 more source
黑水鸡(Gallinula chloropus)分布甚广,又多为常见种。在中国黑水鸡繁殖在长江以北的广大区域,且1 a繁殖1次,至今尚未见到1 a繁殖2次以上的报道。2013~2016年,连续4 a在青岛李沧公园不足2 hm2的人工湖内观察到黑水鸡繁殖,于2016年4月和6月有2对亲鸟成功地各繁殖2窝,2次产卵和孵化出雏鸟数均达到6枚/只以上,而其中1对老黑水鸡(F1)又于当年7月繁殖第3窝,产下3枚卵并孵出3只雏鸟。2繁殖对1 a内共繁殖5窝,存活24只雏鸟,实现每年85.7%的雏鸟成活率 ...
赵宗泰 杨广涛 朴仁珠
doaj
Regulatory compliance and support for altered management of the exotic pet trade
Abstract Globally, the exotic pet trade has contributed to species invasion, disease, and animal welfare risks. Although scientists have advocated for increased trade regulation, the success of management and regulatory efforts depends on compliance by participants in the exotic pet trade. We used a regulatory compliance framework to investigate exotic
Elizabeth N. Pratt +3 more
wiley +1 more source
本文分析了普氏野马在栏养条件下四年的繁殖情况,报道了普氏野马在新疆野马饲养繁殖中心的繁殖率、增长率和成活率。四年共繁殖13胎,成活幼驹13匹,成活率100%。
张俊, 颜辉, 马成德
doaj
新疆野马繁殖中心从1987年开始进行普氏野马的饲养繁殖工作,经过4年的摸索,在栏养条件下繁殖取得了初步的成功。3年共繁殖野马14匹,已引起了世界的关注。本文综述了野马中心在提高繁殖率方面所采取的具体措施。普氏野马(Equns przewalskii Poliakov)是濒危物种,在中国已经绝迹。从1985年8月起新疆先后引进普氏野马16匹(6公,10母),在新疆吉木萨尔县境内,建立了新疆野马饲养繁殖中心 ...
张俊, 马成德, 颜辉
doaj
Assessing differences among elasmobranch nurseries to aid conservation based on a genomics framework
Abstract Elasmobranch nurseries often differ in environmental conditions, demographics, and use patterns. These differences affect the distribution of genetic variation among nurseries. However, conservation and management strategies often fail to account for such differences because they are difficult to characterize.
Dominic G. Swift +8 more
wiley +1 more source
Climbing to survive: Potential elevational shifts in warming risk for the Moltrecht's treefrog
Low‐elevation populations of Zhangixalus moltrechti had higher thermal limits but lower warming tolerance than high‐elevation populations. Climate change is expected to expand high‐risk areas upslope, highlighting the need for emissions reduction and targeted habitat management.
Jh‐Yu You +2 more
wiley +1 more source
1993年11月至1994年2月对南极长城站及其周围地区的巨鹱的分布和数量进行了调查,结果表明巨鹱(Macronectesgiganteus)在研究区内呈不均匀分布;调查期间共发现繁殖群体64个,繁殖鸟222对,繁殖种群数量估计在300对左右;种群的繁殖成功率为37.39%;人类活动对巨鹱的分布和繁殖成功率都有显著影响。
张正旺, 郑光美, 杨伟祥
doaj
动物园饲养的浣熊科动物经常出现异常的繁殖行为:食仔和弃仔现象,而随后的人工哺育需要耗费大量时间和精力。2011年上海动物园新引进3对亚成体浣熊,在参考国内外文献资料中浣熊的野外繁殖习性的基础上,在圈养条件下探索降低异常繁殖行为的方法,于2012年首次使3对浣熊成功繁殖和育幼。本文就北美浣熊的野外习性、饲养管理、繁殖特性等,结合观察到的一窝幼仔的发育情况和行为表现做初步小结,以期为今后的繁殖工作打下基础,减少动物的异常繁殖行为。
曹菲, 夏菊兴, 何维光
doaj
We developed an effective ex‐situ conservation approach for an endangered orchid species, Dendrobium sinominutiflorum. A compatible fungal strain Tulasnella sp. was obtained by using in‐situ seed baiting technique. The Symbiotic germination with Tulasnella sp. significantly promotes seed germination and seedling growth.
Han‐Xiao Huang +6 more
wiley +1 more source

