Corinna Riginos

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13 1. Savanna ecosystems are defined largely by tree-grass mixtures, and tree establishment is a 14 key driver of community structure and ecosystem function in these systems. The factors 15 controlling the production of savanna tree establishment are understudied, but likely involve 16 some combination of seed, microsite, and predator limitation. In African(More)
Studies in community ecology are typically conducted over the span of a few years, and results are often interpreted as the product of contemporary processes and interactions. All landscapes have histories, however, and observed patterns of distribution and abundance frequently reflect enduring legacies of past ecological events, the existence and influence(More)
The combination of abiotic stress and consumer stress can have complex impacts on plant community structure. Effective conservation and management of semi-arid ecosystems requires an understanding of how different stresses interact to structure plant communities. We explored the separate and combined impacts of episodic drought, livestock grazing, and wild(More)
Disturbance is a crucial determinant of animal abundance, distribution and community structure in many ecosystems, but the ways in which multiple disturbance types interact remain poorly understood. The effects of multiple-disturbance interactions can be additive, subadditive or super-additive (synergistic). Synergistic effects in particular can accelerate(More)
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