State ESAs
Under the North American model of wildlife management, states take the lead on managing many species. Whether states have the laws and regulations needed to protect imperiled species is a question open to debate. Here, we provide quick and easy …
Carnivore conservation needs evidence-based livestock protection
Carnivore predation on livestock often leads people to retaliate. Persecution by humans has contributed strongly to global endangerment of carnivores. Preventing livestock losses would help to achieve three goals common to many human societies: …
The Texas Conservation Plan has not slowed oil and gas well development in dunes sagebrush lizard habitat
**Background:** The dunes sagebrush lizard (Sceloporus arenicolus) is an imperiled species that is restricted to shinnery oak (Quercus havardii) sand dune habitats in southeastern New Mexico and West Texas, USA. This region is also a hotspot of oil …
Same law, different results: comparative analysis of Endangered Species Act consultations by two federal agencies
Evaluating how wildlife conservation laws are implemented is critical to determining how best to protect biodiversity. Two agencies, the U.S. Fish and Wildlife Service and National Marine Fisheries Service (FWS and NMFS; Services collectively), are …
Free aerial imagery as a resource to monitor compliance with the Endangered Species Act
Compliance monitoring is an integral part of law and policy implementation. A lack of compliance monitoring for the Endangered Species Act (ESA), driven in part by resource limitations, may be undercutting efforts to recover threatened and endangered …
The Importance of Properly Funding the ESA
A brief overview of Congressional appropriations and agency expenditures on the Endangered Species Act.
A simple, sufficient, and consistent method to score the status of threats and demography of imperiled species
Managers of large, complex wildlife conservation programs need information on the conservation status of each of many species to help strategically allocate limited resources. Oversimplifying status data, however, runs the risk of missing information …
Southeast U.S. imperiled species planning
Imperiled species are threatened by a variety of factors, many of which stem from human population growth and concomitant habitat loss. The biodiversity of the Southeastern United States is of particular concern because of the combination of the high …