Results 11 to 20 of about 65,113 (194)
野生动物学报, 2007 城市中日益增多的流浪宠物正在成为一个困扰人们的问题。2006年3月至2006年5月,我们开展了北京市流浪猫的抽样调查,总计随机调查52个地点。这些调查地点分布于北京市五环内,一般每个调查地点调查1个样点,有4个地点调查了2个调查样点。调查样点以居民区为主。通过询问、样线调查等方式,获得了样点内流浪猫数量、繁殖情况和喂饲状况等数据。
蒋志刚, 郭晓辉
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Wildlife Letters, EarlyView.Pond and riverine turtles respond to land‐use in similar ways being sensitive to increased exposure to roads but resilient to agriculture. ABSTRACT Freshwater turtles are highly diverse in the southeastern United States, yet few studies document how diversity is distributed in agricultural and rural landscapes.
Rowland Fournier +7 more
wiley +1 more source
Wildlife Letters, EarlyView.How did COVID‐19 reshape wild canid behavior across urban and rural landscapes? We calculated the kernel density estimates of diel activity for three canid species (coyote, gray fox, and red fox) using independent detections from standardized camera traps across the USA.
Maximilian L. Allen +3 more
wiley +1 more source
野生动物学报, 2018 鸟类数量调查受到越来越多生态学家的关注,鸟类数量的调查方法也多种多样。同时,湿地是地球上生物多样性最丰富的生态系统之一,有着巨大的生态服务功能。本文选取湿地鸟类作为生态环境调查的指示生物,对目前常见鸟类调查方法进行深入探讨,介绍湿地鸟类地面调查方法和航空鸟类调查方法,以及“3S”等新兴技术在鸟类调查中的应用,充分展现新兴学科技术在生态环境调查中发挥的重要作用。
周雯慧 朱京海 刘合鑫 刘冬烨 问 鼎
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Does donor country impact the efficacy of health aid?: Evidence from the COVID‐19 pandemic
World Medical &Health Policy, Volume 17, Issue 1, Page 31-48, March 2025.Abstract During the coronavirus disease 2019 (COVID‐19) pandemic, many nations relied on unprecedented amounts of health‐sector aid to efficiently vaccinate their populations. These vaccines and supporting materials came from a variety of traditional and nontraditional donors, with the majority donor differing by recipient country.
Anthony Un, Paul Un
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野生动物学报, 1993 日本政府为掌握雁鸭类冬季生存状况,给野生生物保护提供必要的资料,早在昭和45年（1970年）日本环境厅未成立之前,就由林野厅主持开展越冬雁鸭类总数量调查。从昭和47年（1972年）开始,做为野生生物管理的一部分,环境厅每年冬季1月份都进行一次雁鸭类数量调查,至平成（1991年）已是第22次。 1991年的调查,涉及日本全国47个都道府县,调查地点共7020处,总面积361000ha。共设调查员4370人,参加调查人员总数达13780人。调查员以都道府县的有关职员、鸟兽保护员为主 ...
杨广涛
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World Medical &Health Policy, Volume 17, Issue 1, Page 90-107, March 2025.Abstract Clinical breast examination (CBE) screening for breast cancer in Vietnam was proved to be cost‐effective and acceptable to women. However, the outcomes of the implementation of such proposed programme are unknown. To inform the design and implementation planning of the proposed screening programme, this study investigated and analysed the ...
Tran Thu Ngan +3 more
wiley +1 more source
野生动物学报, 1991 本文作者结合近二年接触的调查实践再一次讨论了目前我国野生动物调查中使用最多的路线调查法产生误差的种种原因,它们是路线的长度、宽度、穿越的各种生境的面积、样线的代表性、不同动物采用单一的调查方法、标准、核算系数,调查时间,人员素质等与路线调查精度有密切关系的因素。作者指出如果能象全面质量管理那样对调查的各个环节加强管理,那么调查质量一定会有大幅度提高的,作者在论述过程中也提出了若干相应的建议。
陈华豪
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World Medical &Health Policy, Volume 17, Issue 1, Page 129-148, March 2025.Abstract Patients with kidney failure need dialysis or a kidney transplant to survive. Living donor kidney transplantation (LDKT) is the best therapeutic option, yet global rates of LDKT have minimally increased, and there are disparities in access. The need for a systems approach to improvement has been highlighted.
Anna Horton +7 more
wiley +1 more source
野生动物学报, 2017 为探讨安徽大别山地区繁殖鸟类监测的适宜时间,分析比较了2011～2015年间安徽鹞落坪国家级自然保护区6条样线繁殖鸟类的监测情况。鸟类监测采用可变距离样线法。根据鸟类监测的时间不同,将调查数据分为7个时间段来分析,即4月下旬、5月上旬、5月下旬、6月上旬、6月中旬、6月下旬和7月上旬。结果显示,调查共记录鸟类102种,隶属于11目35科。调查到的繁殖鸟类(包括留鸟和夏候鸟)有90种,占调查鸟类总数的88.24%。将本文调查结果与保护区鸟类名录的对比发现,调查到的繁殖鸟类所占比值(88.24 ...
李 莉 崔 鹏 徐海根 万雅琼 雍 凡 侯银续 马号号 虞 磊
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