We discuss the sustainability of natural and human systems in the United States in relation
to 21st century threats associated with energy scarcity, climate change, the loss of …

Extinction risk is inversely related to genus age (time since first appearance) in most
intervals of the Phanerozoic marine fossil record, in apparent contradiction to the …

Managers are often required to respond in adaptive ways to the threats and opportunities
presented by rare, extreme outcomes. Given these, management scholars frequently face a …

We review and synthesize multiple biotic and abiotic proxies for marine nutrient and food
availability, primary productivity, and food quality (stoichiometry) and propose what their …

The present study aimed to assess the consequences of tectonic events and temperature
regime on the diversification of Indo-West Pacific (IWP) turban shell species. Bayesian and …

The hypothesis of escalation asserts that enemies—competitors, predators, and pathogens—
drive much of adaptive evolution. In a critical review of methods for testing this hypothesis, I …

The current worldwide degradation of coral reefs constitutes an international problem that
calls for immediate attention. A multitude of conservation hotspots scattered over the …

Predation is a primary agency of natural selection affecting the evolution of skeletal form in
gastropods. The nature of antipredatory defence depends on how predators attack their prey …

The horizontal temperature zones of the earth tend to restrict the latitudinal ranges of
species but allow the possibility of exceedingly broad longitudinal dispersals. In the Tropical …