Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(a) Mean body size (± 95% CI) per species across all rural (black) and all urban (red) sites (n.s., not significant; ***p < .001). Relationships between Bombus body size and (b) ambient temperature when sampling, (c) road density at the 250 m scale and (d) road density at the 1,000 m scale, both as length of roads within a site for that scale. Plotted lines show predicted relationships
