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Parental investment and offspring sex ratios in house sparrows, Passer domesticus and cattle egrets, Bubulcus ibis.
(1998)
Fisher (1930) argued that parents should invest equally in the two sexes. Since then, others have proposed conditions under which parents might be selected to bias their investment in favor of either sons or daughters. I ...
Evolutionary and environmental effects on thermoregulation among complex lizard communities.
(2002)
A community of ten sympatric lizard species was studied in a mountain canyon in southern Arizona to determine the effect of phylogeny on habitat use and thermoregulation. Habitat use, body temperatures ( Tb) and operative ...
Community ecology of water-filled tree holes in Panama.
(1999)
Water-filled tree holes are phytotelmata formed when rain collects in branch crotches and other wood-lined cavities. Repeated surveys of natural and artificial water-filled tree holes on Barro Colorado Island (BCI), Panama, ...
Distribution and occurrence of carnivores in the Oklahoma panhandle.
(2000)
Five carnivore species representing three families were detected sufficiently to permit analysis. Carnivores were, in general, not distributed evenly over regional, landscape and local scales in the panhandle environment. ...
Experimenting with multistressors: intraspecific variation in behaviors, tolerances, and distributions
(2020-12-18)
Understanding organisms’ behavioral, spatial, and physiological responses to stress is critically important for successfully predicting and managing population declines and extinctions. Currently, climate change is ...
Ecological context and the evolution of mating biases in a freshwater amphipod species complex.
(2007)
Mating traits are among the most extravagant traits found in nature. As with any trait, understanding the diversification of mating traits requires information on both direct and indirect selection acting on the traits and ...
Sexual selection in a livebearing fish with a coercive mating system (western mosquitofish, Gambusia affinis).
(2006)
The livebearing fishes of the genus Gambusia are quickly becoming a model system to test alternative mechanisms of sexual selection in the form of coercive mating. I investigated effects of male and female body size, and ...
Response of native prey species to an exotic invasive predator: Ecology and evolution of inducible defenses
(2021-05-14)
One of the most common and devastating human impacts on the world’s ecosystems is the introduction of non-native invasive species which can negatively impact agriculture, industry, human health, and the natural environment. ...
Interaction of climate and space in variation of the functional niche of freshwater mussels (Family: Unionidae)
(2020-05-08)
Animals are an integral part of ecosystems: they consume and process materials, thus connecting the cycling of nutrients and matter through ecosystems. Freshwater mussels (order Unionoida) are a diverse group of bivalve ...