筛选
科学数据
统计数据
共检索到229条 ,权限内显示50条;
International Data Base, World Population: 1983 Extract;;Archival Version
- 负责人：
- 关键词：
- DOI：
- doi:10.3886/icpsr08320
- 摘要：
- owth rate, infant mortality rate and life expectancy at birth by sex, percent literate by sex, and percent of the labor force in agriculture.;;Datasets: DS1: Dataset;;Al
International Data Base, World Population: 1983 Extract;;Version 1
- 负责人：
- 关键词：
- DOI：
- doi:10.3886/icpsr08320.v1
- 摘要：
- owth rate, infant mortality rate and life expectancy at birth by sex, percent literate by sex, and percent of the labor force in agriculture.;;Datasets: DS1: Dataset;;Al
Data from: Changing landscapes of Southeast Asia and rodent-borne diseases: decreased diversity but increased transmission risks
- 负责人：
- serge.morand@umontpellier.fr, Serge Morand
- DOI：
- doi:10.5061/dryad.s6s9p58
- 摘要：
- The reduction in biodiversity through land use changes due to urbanization and agricultural intensification, appears linked to major epidemiologic
Millennium Ecosystem Assessment: MA Ecosystems;;MA Ecosystems, v1 (2000)
- 负责人：
- DOI：
- doi:10.7927/h4kw5cz6
- 摘要：
- , cultivated, forest and woodlands, inland water bodies, islands, marine, mountains (elevation), polar, and urban circa 2000, as well as socioeconomic reporting
Data from: Multi-scale heterogeneity in vegetation and soil carbon in exurban residential land of southeastern Michigan, USA
- 负责人：
- DOI：
- doi:10.5061/dryad.7g6v3
- 摘要：
- ± 1290 g C/m2 in soils (based on a combined sampling and modeling approach). These contents are greater than for agricultural land in the region, but lower
Identification and analysis of future land-use conflict in Mecklenburg County, North Carolina
- 负责人：
- 关键词：
- Geographic Information Science and Technology geodesign landscape architecture GIS modeling North Carolina Mecklenburg County mapping spatial analysis LUCIS
- DOI：
- doi:10.25549/usctheses-c40-173255
- 摘要：
- of where agriculture, conservation, and urban land\u2010use suitabilities will be in future conflict and helps illustrate potential future alternative land
Co-Operative Farmers 1990\/1991 (Supplementary Survey)
- 负责人：
- Institut Fuer Sozialdatenanalyse, Berlin
- DOI：
- doi:10.4232/1.6438
- 摘要：
- al-biological agriculture products; influence of farming family companies in the FRG on privatization decision; personal preparation for new requirements; problems
Data from: Changing environmental gradients over forty years alter ecomorphological variation in Guadalupe Bass Micropterus treculii throug
- 负责人：
- DOI：
- doi:10.5061/dryad.0n52027
- 摘要：
- ). Additionally, individuals from tributaries with increased hydrologic alteration associated with urbanization or agricultural withdrawals tended to have a gr
Regional patterns of anthropogenic influences on streams and rivers in the conterminous United States, from the early 1970s to 2012
- 负责人：
- 关键词：
- Space Science 59999 Environmental Sciences not elsewhere classified 39999 Chemical Sciences not elsewhere classified Ecology 69999 Biological Sciences not elsewhere classified Inorganic Chemistry Science Policy
- DOI：
- doi:10.6084/m9.figshare.7873247.v1
- 摘要：
- deposition, agricultural production, livestock, urbanization, irrigation, land use, nutrients from fertilizer, dams/reservoirs, and pesticide use, among others. The trend periods range
Data from: Waterbird response to variable-timing of drawdown in rice fields after winter-flooding
- 负责人：
- DOI：
- doi:10.5061/dryad.6q5k86q
- 摘要：
- have been converted to agricultural and urban uses. In the Central Valley today, a much smaller network of managed wetlands and flooded
