Results 51 to 60 of about 64,522 (193)

Unpacking Welfare Deservingness Theory: Evidence From the Perceived Deservingness of Gig Workers

open access: yesPolicy Studies Journal, EarlyView.
ABSTRACT The theory of welfare deservingness provides valuable insights into the social legitimacy of welfare programs and the principles underlying policy design. In examining the question of who deserves what and why, established deservingness criteria emphasize that individuals demonstrating motivation to work (“reciprocity”) are typically perceived
Juhyun Bae
wiley   +1 more source

安徽鹞落坪繁殖季节鸟类物种组成比较研究

open access: yes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
doaj  

Obesity prevalence and time trend among youngsters in China, 1982-2002 [PDF]

open access: yes
Purpose of present study is to describe the prevalence and trend of overweight and obesity, as well as its coexistence with stunting, among youngsters in China, from 1982 to 2002.
Cui, Z.H.   +5 more
core   +2 more sources

Analysis of Cervical Cancer Preventive Behavior Based on the Health Belief Model [PDF]

open access: yes, 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  

Compliance in Regulatory Gray Areas: The Case of the Organic Seed Standard

open access: yesPolicy Studies Journal, EarlyView.
ABSTRACT Adaptive regulations, designed to balance flexibility with accountability, can embed provisions that unintentionally leave room for firms to shirk on their responsibilities by exploiting flexibility. We call these provisions “regulatory gray areas,” and ask: how should we understand (non‐)compliance in adaptive regulatory settings?
Liza Wood   +3 more
wiley   +1 more source

中国陆生野生动物资源调查已全面展开

open access: yes野生动物学报, 1997
中国陆生野生动物资源调查已全面展开陈学军,关东明全国陆生野生动物资源调查工作已于1995年率先在全国11个省区启动,1996年其余19个省、自治区、直辖市也全面展开。这是我国有史以来第一次组织全国性的野生动物资源调查,调查范围之大、种类之多、内容之丰...
陈学军, 关东明
doaj  

烟台近海大型底栖动物群落特征 [PDF]

open access: yes, 2013
根据2010年和2011年对烟台近海大型底栖动物的周年调查资料,采用优势度指数、物种多样性指数及Cluster聚类和MDS排序方法,进行群落特征和群落演替情况的。研究。结果表明,该海域共采集大型底栖动物176种,其中优势类群为多毛类。群落中的优势种主要包括短叶索沙蚕和不倒翁虫。烟台近海年平均生物量和丰度分别为16.72g/m~2和1022ind/m~2,且存在季节性差异。丰富度指数(D)、均匀度指数(J)和多样性指数(H')的年平均值分别为2.30、0.70和1.91 ...
李宝泉, 王全超
core   +1 more source

Partisanship, Deservingness, and the Attitudinal Policy Feedback Process for Social Policy

open access: yesPolicy Studies Journal, EarlyView.
ABSTRACT In an era of identity‐based partisan polarization, we examine whether social policies can still generate positive attitudinal feedback among beneficiaries. Drawing on nationally representative survey data, we demonstrate that partisanship conditions the policy feedback process through divergent perceptions of group deservingness.
Chris Faricy, Christopher Ellis
wiley   +1 more source

马鹿的数量统计

open access: yes野生动物学报, 1986
在野生动物资源调查工作中,依靠动物足迹,采用样地法、路线法、路线样地法进行有蹄类数量的调查,是野生动物相对数量统计中最常用的方法,与其它方法相比具有调查精度较高,简单易行等优点,但据1975年黑龙江省各地调查经验来看 ...
冯海潼
doaj  

Resource Investigation and Molecular Systematic Analysis on Digenea Species of Marine Fish in Xiamen Sea Area [PDF]

open access: yes, 2015
摘要 2012年12月至2014年12月对厦门海域海洋鱼类感染复殖吸虫种类做了调查,本次调查共检查鱼类156种5099条,感染复殖吸虫的鱼类71种,所得复殖吸虫隶属于16科。本论文对其中8科18属19种吸虫进行形态学描述,名录如下: 1.面状前吻吸虫Prosorhynchusfacilis(Ozaki,1924)Eckmann,1932 2.多变颈源吸虫Derogenesvaricus(Muller,1784) 3.纺锤星腺吸虫LecithasterfusiformisWang,1991 4 ...
陈馨
core  

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