dataService

您的位置: 首页 > 数据服务 > 数据列表页

筛选

共检索到1194条 ,权限内显示50条;

Data from: Feather melanin and micro-structure variation in dark-eyed junco (Junco hyemalis) across an elevational gradient in the Selkirk Mountains
负责人:
关键词:
pheomelanin;Junco hyemalis;alpine;songbird
DOI:
doi:10.5061/dryad.ks53j
摘要:
and within-population variation is less established. We investigated UV reflectance, melanism, and feather microstructure in a population of Oregon dark-eyed juncos Junco
Data from: Phylotocol: promoting transparency and overcoming bias in phylogenetics
负责人:
关键词:
Open science;protocol;transparency;phylogenetics;accountability;Confirmation bias;phylotocol
DOI:
doi:10.5061/dryad.n2q57qn
摘要:
rease reproducibility and transparency in science protect this integrity by reducing conscious and unconscious biases. Given the large number of analysis options
Data from: A systematic review of comorbidities and outcomes of adult patients with pleural infection
负责人:
关键词:
Pleural infection
DOI:
doi:10.5061/dryad.5d3s2vg
摘要:
-income economies (n=100, 74%) patients were older (mean 56.5 vs. 42.5 years, p<0.0001), but there were no significant differences in prevalence of pre
Data from: Budget constraints affect male rats’ choices between differently priced commodities
负责人:
关键词:
DOI:
doi:10.5061/dryad.3mb30
摘要:
to changes in price of those commodities. This change in consumption assessed over a range of prices is defined as demand elasticity. Previously, income
Aansluiting middelbaar agrarisch onderwijs en arbeidsmarkt 1990;;Connection between secondary agricultural education and labour market 1990
负责人:
H.J. Van Pierik, LU Wageningen, Vakgroep Agrarische Onderwijskunde (Depositor);;Landbouw Universiteit Wageningen, Ministerie Van Landbouw Natuurbeheer En Visserij (Research Initiator);;Vakgroep Agrarische Onderwijskunde, LUW * Wageningen (Data Collector)
关键词:
Educational theory education agriculture secondary education occupations labour market career onderwijs landbouw onderwijs, middelbaar
DOI:
doi:10.17026/dans-x5a-9qvt
摘要:
with aspects of job ( level, promotion, work load, circumstances, scope to develop, working hours, income ), how did respondent get present job / ha
Data from: Spatial patterning of prey at reproduction to reduce predation risk: what drives dispersion from groups?
负责人:
关键词:
Behavior: antipredator Behavior: social Modeling: predator/prey
DOI:
doi:10.5061/dryad.vr0kc
摘要:
by: (i) increasing predator search time, (ii) reducing predator encounter rates because individuals are inconspicuous relative to groups, or (iii) eliminating the risk
Data from: Individual dispersal decisions in a cooperative breeder: ecological constraints, the benefits of philopatry, and the social queue
负责人:
Nelson-Flower, Martha
关键词:
cooperative breeding delayed dispersal family-living floater social queue southern pied babbler benefits of philopatry dual benefits ecological constraints
DOI:
doi:10.5061/dryad.517c56h
摘要:
on the ecological and social circumstances driving delayed dispersal. 2. Here we test predictions from the ecological constraints and benefits of philopatry
Data from: Non-coaxiality of sand under bi-directional shear loading
负责人:
关键词:
sand;simple shear test;non-coaxility
DOI:
doi:10.5061/dryad.pp2t3
摘要:
This study aims to investigate the effect of consolidation shear stress magnitude on the shear behaviour and noncoaxiality of soils. In previous
Australian Gallup Polls, March 1986
负责人:
Australian Data Archive
关键词:
DOI:
doi:10.26193/tzttqb
摘要:
/ highest level of education / occupation / income / occupation of head of household / marital status / vote enrolment at last election / present voting
Data from: Reciprocal intraguild predation and predator coexistence
负责人:
关键词:
Tetranychus bastosi;bistability;extinction;intraguild predation;Eseius concordis;biological control;Polyphagotarsonemus latus;Iphiseiodes zuluagai;population dynamics;Jatropha curcas
DOI:
doi:10.5061/dryad.m1v7416
摘要:
. Theory predicts that intraguild predation hampers coexistence of species involved, but it is common in nature. It has been suggested that increasing

首页上一页...2345下一页尾页

意 见 箱

匿名:登录

个人用户登录

找回密码

第三方账号登录

忘记密码

个人用户注册

必须为有效邮箱
6~16位数字与字母组合
6~16位数字与字母组合
请输入正确的手机号码

信息补充