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Understanding the factors conditioning fall armyworm (Spodoptera frugiperda J.E. Smith) infestation in African smallholder maize field
- 负责人：
- Baudron, Frédéric
- 关键词：
- DOI：
- doi:10.7910/dvn/yykx1t
- 摘要：
- . The main livestock species are cattle, goats, pigs and chicken. The population density is about 33 inhabitants km-2 (PCO, 2012). Makoni is loc
Data from: Manipulation of habitat isolation and area implicates deterministic factors and limited neutrality in community assembly
- 负责人：
- DOI：
- doi:10.5061/dryad.55nh5
- 摘要：
- to experimentally test how deterministic and stochastic factors shape colonizing animal communities. Over 64 weeks, the experiment revealed the primacy
Municipalities;;Process of Differentiation in Small-Scale Agricultural Family Enterprises in Pelarco, Chile (2nd Wave, 1988) and Supplementary in Chilean
- 负责人：
- Universidad De Talca, Chile
- DOI：
- doi:10.4232/1.5026
- 摘要：
- and livestock; number of cows for milking;length of milking period; level of milk production and amount of milksold; value of production from livestock breeding
SGS-LTER Long-term Monitoring Project: Carnivore Scat Count on the Central Plains Experimental Range, Nunn, Colorado, USA 1997 -2006, ARS Study Number
- 负责人：
- Colorado State University. Libraries;;Colorado State University. Libraries
- DOI：
- doi:10.25675/10217/83392
- 摘要：
- as the boundaries of the Central Plains Experimental Range (CPER). The CPER has a single ownership and landuse (livestock grazing). The PNG is character
Nitrogen availability determines the long-term impact of land-use change on soil carbon stocks in Ghana
- 负责人：
- DOI：
- doi:10.6084/m9.figshare.12016158.v1
- 摘要：
- systems. Such long-term evaluations, particularly regarding low-input livestock systems, are limited. The location of the current study, which is a res
Nitrogen availability determines the long-term impact of land-use change on soil carbon stocks in Ghana
- 负责人：
- DOI：
- doi:10.6084/m9.figshare.12016158
- 摘要：
- systems. Such long-term evaluations, particularly regarding low-input livestock systems, are limited. The location of the current study, which is a res
Lines of Conflict of Egyptian Society 1986-1988: Remigration, Segregation, Islam (Survey of Returned Migrants from 6 Egyptian Villages)
- 负责人：
- Social Research Center, American University In Cairo
- DOI：
- doi:10.4232/1.5013
- 摘要：
- , agricultural equipment and livestock as well as miscellaneous expenditures and acquisitions; realization of a personal project in the area of trade and invest
United States Agriculture Data, 1840 - 2012;;Version 2
- 负责人：
- 关键词：
- DOI：
- doi:10.3886/icpsr35206.v2
- 摘要：
- of machinery. Most of the basic crop output data apply to the previous harvest year. Data collected also included the population and value of livestock, the number
United States Agriculture Data, 1840 - 2012;;Version 1
- 负责人：
- 关键词：
- DOI：
- doi:10.3886/icpsr35206.v1
- 摘要：
- of machinery. Most of the basic crop output data apply to the previous harvest year. Data collected also included the population and value of livestock, the number
United States Agriculture Data, 1840 - 2012;;Version 4
- 负责人：
- 关键词：
- DOI：
- doi:10.3886/icpsr35206.v4
- 摘要：
- of machinery. Most of the basic crop output data apply to the previous harvest year. Data collected also included the population and value of livestock, the number
