The rapid loss of intraspecific variation is a hidden biodiversity crisis. Intraspecific variation,
which includes the genomic and phenotypic diversity found within and among populations …

Much biodiversity data is collected worldwide, but it remains challenging to assemble the
scattered knowledge for assessing biodiversity status and trends. The concept of E ssential …

Species extinctions have defined the global biodiversity crisis, but extinction begins with loss
in abundance of individuals that can result in compositional and functional changes of …

Ecological and environmental citizen‐science projects have enormous potential to advance
scientific knowledge, influence policy, and guide resource management by producing …

Loss of biodiversity and degradation of ecosystem services from agricultural lands remain
important challenges in the United States despite decades of spending on natural resource …

Neonicotinoid insecticides are being widely used and have raised concerns about negative
impacts on non-target organisms. However, there has been no large-scale, generalizable …

Abstract The vision of Chandler (Chan) S. Robbins for a continental-scale omnibus survey of
breeding birds led to the development of the North American Breeding Bird Survey (BBS) …

Around fifteen thousand fieldworkers annually count breeding birds using standardized
protocols in 28 European countries. The observations are collected by using country-specific …

This article reviews studies regarding wild animal surveys based on multiple platforms,
including satellites, manned aircraft, and unmanned aircraft systems (UASs), and focuses on …

We examined features of citizen science that influence data quality, inferential power, and
usefulness in ecology. As background context for our examination, we considered topics …