Journal of Epidemiology and Community Health (JECH)

Guide to recent advances in difference-in-differences methodology for population health studies

Background Difference-in-differences is a method commonly used in population health research. It is based on assumptions that ...
Phys.org

Study demonstrates the use of community science as a conservation tool for wildlife population estimation

Researchers have demonstrated a cost-effective method for estimating population size using a combination of freely available community science data and small numbers of structured surveys. The study, ...
Morning Overview on MSN

Researchers now estimate 10 to 15 million people once filled the Maya lowlands, roughly twice old counts

Airborne laser scanning across the Maya lowlands has produced a Late Classic population estimate of roughly 9.5 to 16 million ...
Northwest Arkansas Democrat Gazette

Mallard count similar to 2024, according to U.S. Fish and Wildlife Service report

The U.S. Fish and Wildlife Service has released its 2025 Waterfowl Population Status Report. This report contains results from surveys and population estimation methods conducted by Fish and Wildlife, ...