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Continuing Survey of Food Intakes by Individuals (CSFII): One Day's Food Intake Data for Men 19-50 Years of Age, 1985 [United States];;Version 1
- 负责人：
- 关键词：
- DOI：
- doi:10.3886/icpsr21960.v1
- 摘要：
- drawn from all private households, and (2) a smaller sample of men drawn from households with reported incomes at or below 130 percent of the pover
Data from: Oyster reefs as carbon sources and sinks
- 负责人：
- DOI：
- doi:10.5061/dryad.7nd95
- 摘要：
- on atmospheric CO2 since excavated organic material may be remineralized while shell may experience continued preservation through reburial. Thus, prote
Agricultural and Demographic Records for Rural Households in the North, 1860: [Instructional Materials];;Archival Version
- 负责人：
- 关键词：
- DOI：
- doi:10.3886/icpsr03463
- 摘要：
- These instructional materials were prepared for use with AGRICULTURAL AND DEMOGRAPHIC RECORDS FOR HOUSEHOLDS IN THE NORTH, 1860 (ICPSR 7420
Agricultural and Demographic Records for Rural Households in the North, 1860: [Instructional Materials];;Version 1
- 负责人：
- 关键词：
- DOI：
- doi:10.3886/icpsr03463.v1
- 摘要：
- These instructional materials were prepared for use with AGRICULTURAL AND DEMOGRAPHIC RECORDS FOR HOUSEHOLDS IN THE NORTH, 1860 (ICPSR 7420
Data from: Enough for all: no mating effort adjustment to varying mate availability in a gift-giving spider
- 负责人：
- DOI：
- doi:10.5061/dryad.1h6r4dn
- 摘要：
- have ceased. We tested this prediction in males of the spider Pisaura mirabilis, which mate via costly nuptial gifts consisting of silk-wrapped prey
Data from: Quantitative genetic analysis indicates natural selection on leaf phenotypes across wild tomato species (Solanum sect. Lycoper
- 负责人：
- DOI：
- doi:10.5061/dryad.116td
- 摘要：
- Adaptive evolution requires both raw genetic material and an accessible path of high fitness from one fitness peak to another. In this study, we use
SGS-LTER CPER Hillslope Soil Spatial Variability on the Central Plains Experimental Range, Nunn, Colorado, USA 1983-1984
- 负责人：
- Colorado State University. Libraries;;Colorado State University. Libraries
- DOI：
- doi:10.25675/10217/83515
- 摘要：
- Soil Spatial Variability - Pedons were characterized along three parallel transects, spaced at approximate 40 m intervals perpendicular to a hillslope at the CPER. Pedons
Portrait of Fecundo Reyes holding a horse-blanket, standing to the side of a shanty barn, [s.d]
- 负责人：
- DOI：
- doi:10.25549/chs-m13792
- 摘要：
- and Antonio Reyes, can be seen from the knees up standing at center. He holds a long swaddle of material which may be either a horse-blanket or cured animal
Data from: Can MHC-assortative partner choice promote offspring diversity? A new combination of MHC-dependent behaviors among sexes in a highly
- 负责人：
- DOI：
- doi:10.5061/dryad.1vb0h
- 摘要：
- population genetic variability. Examples of reproductive systems in which choosers (generally females) select mates depending on thei
Replication data for: Adoption and diffusion of potato varieties in Peru
- 负责人：
- Pradel, Willy;;International Potato Center
- 关键词：
- DOI：
- doi:10.21223/p3/mdnli6
- 摘要：
- new genetic material. More than 34 improved varieties have been released in the country under this collaborative framework. Canchan (released in 1990
