筛选
科学数据
统计数据
共检索到251条 ,权限内显示50条;
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Simulating the distribution of individual livestock farms and their populations in the united states: an example using domestic swine
- 负责人:
- DOI:
- doi:10.5061/dryad.46pb3
- 摘要:
- % for the individual farm-to-county scale. Our output data have many applications for risk management of agricultural systems including epidemi
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Intensive beef farming in the Brazilian Amazon
- 负责人:
- 关键词:
- DOI:
- doi:10.3886/e106761v1
- 摘要:
- ins all the code and information necessaryto simulate productivity rates of three types of fattening systems(confinements, semi-confinem
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Past and present dynamics of sorghum and pearl millet diversity in Mount Kenya region
- 负责人:
- Labeyrie, Vanesse
- 关键词:
- crop diversity Population Genetics - Empirical gene flow farmers' seed systems social organization
- DOI:
- doi:10.5061/dryad.5g129
- 摘要:
- Crop populations in smallholder farming systems are shaped by the interaction of biological, ecological and social processes, occurring on different
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Phylogenomics clarifies repeated evolutionary origins of inbreeding and fungus farming in bark beetles (Curculionidae, Scolytinae)
- 负责人:
- DOI:
- doi:10.5061/dryad.5r6d5kc
- 摘要:
- . Key strategies, including inbreeding mating systems and fungus farming, evolved repeatedly across Scolytinae. We confirm 12 of 16 hypothesized origins
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Bird services and disservices to strawberry farming in Californian agricultural landscapes
- 负责人:
- 关键词:
- agriculture Agroecology bird diversified farming systems economic ornithology pest suppression strawberry ecosystem services human-wildlife conflict
- DOI:
- doi:10.5061/dryad.41bh21r
- 摘要:
- , while the relative abundance of strawberry‐eating birds and bird damage decreased on farms with more semi‐natural land cover in the surrounding landscapes (1000m radius).
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Markers of seasonal pastoral campsites: results of an osteological study of present livestock enclosures in the valley of the Karagaily-Ayat River
- 负责人:
- 关键词:
- Ethnoarchaeology Paleopathology Zooarchaeology Cattle Goat Sheep Bronze Age Livestock Husbandry Pastoralism
- DOI:
- doi:10.17632/2y8ntzg3pm.1
- 摘要:
- , modern livestock farming systems and a description of livestock enclosures. Images of all collected bones that were chewed by cattle and ovicaprids
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Markers of seasonal pastoral campsites: results of an osteological study of present livestock enclosures in the valley of the Karagaily-Ayat River
- 负责人:
- 关键词:
- Ethnoarchaeology Paleopathology Zooarchaeology Cattle Goat Sheep Bronze Age Livestock Husbandry Pastoralism
- DOI:
- doi:10.17632/2y8ntzg3pm
- 摘要:
- , modern livestock farming systems and a description of livestock enclosures. Images of all collected bones that were chewed by cattle and ovicaprids
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Investigations of the Long Term Sustainability of Human Ecodynamic Systems in Northern Iceland
- 负责人:
- DOI:
- doi:10.18739/a20z70x2j
- 摘要:
- of the region lived almost entirely on the proceeds of the land by farming, fishing for trout, and collecting the eggs of wild birds. In recent times, tourism ha
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
Data from: Patterns of domestication in the Ethiopian oil-seed crop Noug (Guizotia abyssinica)
- 负责人:
- 关键词:
- Agriculture Contemporary Evolution Phenotypic Plasticity Plant Mating Systems Population Genetics - Empirical Phylogeography
- DOI:
- doi:10.5061/dryad.gs352
- 摘要:
- may permit reasonable yields under diverse environmental conditions. Why noug has not been fully domesticated remains a mystery, but perhaps ear
![](http://agri.nais.net.cn/resources/front/images/source_91.jpg)
State Farms in European Russia, 1917: Districts and Provinces;;Archival Version
- 负责人:
- 关键词:
- DOI:
- doi:10.3886/icpsr08377
- 摘要:
- property, the number of farming-related working tools on one property, the number of hired workers per desyatin of sown land, the number of working livestock