Author Archives: Nathan Lyle

Identifying limiting factors for animals with seasonally dynamic life histories sometimes requires understanding intra-annual periods of resource scarcity (e.g., Ashmole, 1963). For ungulates living in northern environments, winter is generally a period of negative energy budget when forage provides some … read more

Worldwide, unsustainable use of nature threatens the collapse of ecosystems and the benefits they provide to non-humans and humans alike (Ceballos et al., 2015, 2020; Darimont et al., 2015; Ripple et al., 2017; Ceballos and Ehrlich, 2018; FAO, 2020). Yet, … read more

A reprint from American Scientist the magazine of Sigma Xi, The Scientific Research Honor Society Tackling environmental crises requires moral as well as scientific clarity As an environmental ethicist, I routinely sit in meetings where the word “sustainability” is uttered … read more

Photo by Tristan Alder The National Wolfwatcher Coalition is proud to be one of five conservation groups that crafted The Wolf Conservation Planning and Resource Bank documents. The other groups included, Endangered Species Coalition, Humane Society of the United States, … read more

Humans regularly exert a powerful influence on the survival and persistence of species, yet social-science information is used only sporadically in conservation decisions. Using data obtained from a survey of 46,894 US residents, we developed and applied a spatially explicit … read more

Anthropogenic landscape change can lead to novel interactions among species with consequences for predator–prey dynamics. Population responses of predators and prey vary according to species abundance, movement, and distribution. Although conservation often involves managing species abundance, culling predators to benefit … read more