Results 31 to 40 of about 3,442 (141)
近年来,动物福利在世界范围内受到关注,越来越多的动物园认识到了环境丰容工作的重要性,尝试应用各种方法为动物提供丰容,以提高其生活质量。物种特异性行为的增加和异常行为的减少被认为是其生理健康的重要指标,而丰容的理想结果即是使圈养动物呈现接近自然状态的行为。动物园工作者在尝试应用丰容消除动物刻板行为时,首先需要考虑刻板行为的成因,进而从根本上采取积极有效的消除方法。模拟自然环境:在动物笼舍中添加自然材料、植被、水源、岩石及其他设施,可以使环境更适合动物,在满足物种的生物学需求的同时 ...
刘群秀 涂荣秀 马 珺 王 颖
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2014年3~10月,在哈尔滨北方森林动物园对湿地展区中饲养的黑冠鹤和灰冠鹤进行了局部丰容改造前后食物选择对比的研究。研究结果显示:在整个观察期内2种冠鹤对于植物的选择是有规律性的,2种冠鹤对于狗尾草、金狗尾草、苍蝇、蚂蚁和人工饲料的觅食选择(0.01≤P≤0.05)表现为差异显著; 对白车轴草、苦荬菜、车前、藜的觅食选择(P≤0.01)表现为差异极显著; 但对于稗草、香蒲、青麻、蒲公英、蚂蚱、蜻蜓等的觅食选择(P≥0.05)表现为差异不显著 ...
杨锴斌 何相宝 马雪峰田秀华 王 悦 吴汝梓 吴晓宇
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Four challenges to an effective national nature assessment
Abstract Comprehensive biodiversity assessments play an essential role in strengthening global and national conservation strategies. The recently announced first U.S. National Nature Assessment (NNA) provides an unparalleled opportunity to comprehensively review status and trends of biodiversity at all levels.
Carlos Carroll +4 more
wiley +1 more source
Region‐wide retreats from lower elevations of range‐restricted birds across the Northern Andes
Abstract Local studies show upslope shifts in the distribution of tropical birds in response to warming temperatures. Unanswered is whether these upward shifts occur regionally across many species. We considered a nearly 2000‐km length of the Northern Andes, where deforestation, temperature, and extreme weather events have increased during the past ...
Wilderson Medina +2 more
wiley +1 more source
针对2015年7月太原动物园一项关于丰容讲解的保护教育项目,通过现场问卷调查的方式,评估了该讲解的即时教育效果; 同时通过1个月后的电话回访,评估了科普讲解的长期教育影响。统计分析结果显示,新颖有趣的现场丰容展示并配合专业的讲解工作,使得游客对丰容工作的认知以及对动物情感的关注和理解都有了显著性的变化,且游客在该活动中产生的保护知识和保护情感还具有一定的长效性。这些改变将有助于社会公众更加关注圈养野生动物的福利状态,建立与动物之间的情感联系,并有效促进动物保护工作的开展 ...
崔媛媛 卫泽珍 刘 珑
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‘Nobody taught her how to be a mother’: The lived experience of mothering without a mother
Abstract Maternal grandmothers play a vital role in the transition to motherhood for their own daughters. The current study adds to this literature by investigating the lived experience of motherhood for women who lacked a meaningful relationship with their mothers.
Amy Walsh +4 more
wiley +1 more source
Critical pedagogy of place to enhance ecological engagement activities
Abstract Scientists in higher education institutions around the globe recognize the importance of engaging with public stakeholders to share their enthusiasm, explain their science, and encourage primary and secondary students to enter the sciences. However, without direct consideration of students’ and teachers’ perspectives and interests, scientists ...
Amanda S. Cicchino +3 more
wiley +1 more source
论《现代汉语词典》与《重编国语辞典》的词汇比较研究 [PDF]
《现代汉语词典》与《重编国语辞典》既有权威性、语文性和同源性这些相同点,又有性质、任务和规模方面的差异。微观上,通过透视现代汉语词汇的同异度、分布状况以及20世纪现代汉语词汇的纵向演变,可以看出《现代汉语词典》与《重编国语辞典》在汉语词汇的分布与演变的研究上能提供独特的视角与价值;宏观上,《现代汉语词典》与《重编国语辞典》,再加上《国语辞典 ...
苏新春
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ABSTRACT The utilization of carbonaceous anodes in electrochemical systems, particularly potassium‐ion batteries (PIBs), remains hindered by sluggish kinetics and modest capacities, which are caused by the intrinsic ion storage mechanisms and constrained interlayer spacings.
HaiSong Chen +7 more
wiley +1 more source
The Traditional Opera of Zhaojun in Gender Field of Vision [PDF]
昭君出塞的故事从其发生起就引起了广泛关注。正史、野史、诗词、变文、戏曲乃至神话传说等等,两千年来,对昭君故事的演绎不绝如缕。昭君出塞也由此成为一个重要的文学母题。本文试图从性别理论这一视角对古代昭君戏曲进行分析。在前言部分简要回顾了前人对于昭君戏曲的研究成果,并论证了用性别理论研究昭君戏曲的可行性。正文第一章则对昭君出塞史实进行了辨析,并对古代昭君戏曲作了整理和归纳。第二章是论文的主体,主要着眼于两性关系和昭君形象的分析:从昭君故事中的两次转捩点入手,即元帝和昭君之间这道无形的高墙如何撤消 ...
欧阳桂莲
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