This dissertation explores the prehistory of Mongolia during a time when nomadic tribes created the world's first steppe empire in Inner Asia. These aggregated tribes, known to Chinese historians as Xiongnu, ruled from the 3rd century BCE to the 2nd century CE. They came to defi…
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The performance of hybrid progeny of outcrossing parents for a variety of important agronomic traits can be highly variable and differ substantially from the performance of either parent. Luxury commodities, such as strawberry, more than staples, have to find that balance been f…
Crossbreeding is practiced extensively in commercial breeding programs of many plant and animal species, in order to exploit heterosis, breed complementarity, and to protect pure line genetic material. The success of commercial crossbreeding schemes depends on identifying and us…
Among-individual variation in vital rates, such as mortality rates and birth rates, can generate substantial diversity across individual life histories that scales up to influence population-level processes. The effects of this individual heterogeneity on population growth rates…