Results 41 to 50 of about 125,925 (241)
野生动物学报, 2017 2015年5月～11月,采用目标动物连续观察法对成都动物园圈养的10只山魈的采食行为进行了3期观察和记录,每日观察时间为9:30～10:30和15:30～16:30,每个观察期每只山魈观察7 d。结果表明,山魈的采食行为以蹲坐、走动和站立采食为主。高地位山魈的蹲坐和站立采食显著高于低地位山魈,走动采食低于低地位山魈个体 ...
吴海玲 唐 华 邱云华 刘选珍
doaj +2 more sources
The Design and Implementation of Human Activity and Crowd Behavior Analysis System in Video Surveillance [PDF]
, 2016 近年来，视频监控系统广泛应用在人们日常生活的多个领域中，如企业与居家安防、刑侦、银行监控、医院和交通流量监控等。但是，现有的监控系统只是事后取证的手段，缺乏智能化的事件发现和报警。人体行为和人群行为监控是视频监控的核心，智能化行为判定能够为人们提供及时可靠的实时信息，对异常事件做出快速反应。因而，视频监控中人体人群行为分析具有重要的现实意义。本文主要完成视频监控中人体行为和人群行为的分析，主要工作如下： (1)人体行为主要针对于人体运动行为，运动行为获取运用了前景检测和目标跟踪算法 ...
王玉成
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Wildlife Letters, EarlyView.Many nocturnal animals are difficult to study because they are rarely seen, including nocturnal primates, galagos and pottos, in West Africa. Working with over 600 people in 52 villages in southern Guinea‐Bissau, we found that communities frequently recognized galagos by their red eyeshine and distinctive calls, while pottos were not known.
Chloe Chesney +6 more
wiley +1 more source
Wildlife Letters, EarlyView.Using radiotelemetry, we found that the movement and home range of the endangered Sacalia bealei varied significantly across reproductive classes and seasons, with males exhibiting greater movement than females during wet and mating seasons. The species exhibits strong aquatic dependence, favoring deep pools interspaced among riffle‐pool sequences ...
Wing Sing Chan +3 more
wiley +1 more source
Wildlife Letters, EarlyView.Tracking with GPS and accelerometers shows that great evening bats in subtropical China use two overwintering strategies: some remain in continuous hibernation, while others switch between torpor and activity as temperatures change. This behavioral flexibility, shaped by climate, underscores the importance of protecting diverse roosting habitats for ...
Zhiqiang Wang +7 more
wiley +1 more source
Analysis of Cervical Cancer Preventive Behavior Based on the Health Belief Model [PDF]
, 2016 目的： 通过对厦门市学龄期女生母亲宫颈癌预防行为的调查研究，了解女生母亲对 HPV、HPV疫苗、宫颈癌筛查的认知、态度和行为及相关的健康信念；分析女性 对HPV疫苗和宫颈癌筛查的认知、态度和行为的影响因素；以健康信念模式为 理论基础，分析其各部分对宫颈癌预防行为的解释和预测作用，为今后HPV疫 苗的推广和筛查的普及提供基础数据和政策建议。 方法： 本研究以厦门市学龄期女生母亲为研究对象，采用多阶段随机抽样的方法， 对抽取的调查对象采取自填式问卷调查。用相对数描述调查对象的社会人口学特 ...
张钰颖
core
Wildlife Letters, EarlyView.Although once abundant across its range, gray foxes (Urocyon cinereoargenteus) are purportedly declining. While range maps indicate that gray fox potentially occur throughout the central United States, contemporary distribution maps are needed. We developed a Habitat Suitability Model for six states, leveraging gray fox presence data in an ensemble ...
Daniel J. Benson +4 more
wiley +1 more source
Functional Ecology, EarlyView.Read the free Plain Language Summary for this article on the Journal blog. Abstract Root exudates play a key role as signals and nutrients in mediating plant–microbe communication. However, critical knowledge gaps remain regarding how root exudates mediate soil–microbe–plant interactions to regulate crop yield under long‐term straw mulching combined ...
Jiajie Song +7 more
wiley +1 more source
The Analysis of Criminal Law with The Act of Police Using Weapons ——From The “Qing An Event” [PDF]
, 2016 警察武器使用行为是直接关系违法犯罪人以及人民警察生命法益的执法行为。从表面上看，它属于行政法中执法权的范畴，但当我们深究其本质，会发现它与刑法中的违法阻却事由有着不可分割的紧密联系。本文第一章从近期发生的引起人们广泛关注的“庆安事件”说起，对该案的具体案情以及案件争议做了基本的介绍，并提出从刑法学方向分析警察武器使用行为的意义。第二章是关于警察使用武器的刑法性质的理论基础的内容，首先对争议较多的几种观点进行了介绍与分析，得出警察使用武器行为在刑法属于依法令的执行职务行为的结论 ...
廖丹
core
Journal of Animal Ecology, EarlyView.This population‐comparative study reveals that male and female parents respond differently to social and ecological conditions. This sex‐specific responsive strategy is related to the incongruent parental care systems across populations in Chinese penduline tits.
Jia Zheng +5 more
wiley +1 more source