dataService

您的位置: 首页 > 数据服务 > 数据列表页

筛选

共检索到640条 ,权限内显示50条;

National Skiing Market Survey, 1978;;Archival Version
负责人:
关键词:
DOI:
doi:10.3886/icpsr07801
摘要:
of downhill skiing, and ownership of various recreational equipment. Part 6 contains additional data for the same group of potential skiers
National Skiing Market Survey, 1978;;Version 1
负责人:
关键词:
DOI:
doi:10.3886/icpsr07801.v1
摘要:
of downhill skiing, and ownership of various recreational equipment. Part 6 contains additional data for the same group of potential skiers
Atlas of Agriculture in England and Wales, c.1840
负责人:
关键词:
DOI:
doi:10.5255/ukda-sn-1659-1
摘要:
e following the Tithe Commutation Act of 1836 which ended tithe payments to the Church. It was the largest survey of land use, ownership and occupation sinc
Data from: Comparing forest structure and biodiversity on private and public land: secondary tropical dry forests in Costa Rica
负责人:
McClellan, Moana
关键词:
ecosystem services forest biomass forest conservation forest succession forest management land tenure secondary forests species composition
DOI:
doi:10.5061/dryad.57s62
摘要:
ity. We examined whether differences in ownership led to differences in forest structure, tree diversity, and tree species composition across a gradient
, USA, ARS Study Number 3
负责人:
Colorado State University. Libraries;;Colorado State University. Libraries
关键词:
inorganic nutrients populations carbon aboveground net primary production disturbance cover density fertilization nitrogen biomass
DOI:
doi:10.25675/10217/83317
摘要:
d as the boundaries of the Central Plains Experimental Range (CPER). The CPER has a single ownership and landuse (livestock grazing). The PNG is character
SGS-LTER Avian Road Counts, Breeding Bird Survey, on the Pawnee National Grassland in eastern Colorado, USA
负责人:
Colorado State University. Libraries;;Colorado State University. Libraries
关键词:
grasslands populations population dynamics biodiversity animals birds
DOI:
doi:10.25675/10217/82150
摘要:
d as the boundaries of the Central Plains Experimental Range (CPER). The CPER has a single ownership and landuse (livestock grazing). The PNG is character
SGS-LTER Paleopedology Study - pedon descriptions on the Central Plains Experimental Range, Nunn, Colorado, USA 1992-1993
负责人:
Colorado State University. Libraries;;Colorado State University. Libraries
关键词:
paleoecology soils organic matter paleopedology inorganic nutrients
DOI:
doi:10.25675/10217/85625
摘要:
d as the boundaries of the Central Plains Experimental Range (CPER). The CPER has a single ownership and landuse (livestock grazing). The PNG is character
Data from: Market forces influence helping behaviour in cooperatively breeding paper wasps
负责人:
Grinsted, Lena
关键词:
sociality behaviour ecology cooperation helping behaviour biological market theory supply and demand decision making
DOI:
doi:10.5061/dryad.87hm1
摘要:
in exchange for group membership, but so far without considering one crucial aspect: outside options. We find support for the existence of a biological market
SGS-LTER Historical LTER Soil water - neutron probe field data from across the Central Plains Experimental Range, Nunn, Colorado, USA, ARS Study Number
负责人:
Colorado State University. Libraries;;Colorado State University. Libraries
关键词:
soil moisture soils inorganic nutrients neutron probe grasslands
DOI:
doi:10.25675/10217/82912
摘要:
d as the boundaries of the Central Plains Experimental Range (CPER). The CPER has a single ownership and landuse (livestock grazing). The PNG is character
Diary of Arthur Oram;;Hely's small scribbling diary with almanack 1918
负责人:
关键词:
Ireland Farm managers Ireland Farmers Ireland Mayo Agriculture Ireland Mayo Farm management
DOI:
doi:10.7925/drs1.ucdlib_256188
摘要:
representative on the Board of Conservators, his membership of the Drainage Committee and the Railway Committee, the surveying and valuing of land, the adver

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