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.
Relationships between (a) the directed and undirected link correlation r of a flooded pond and (b) clustering coefficient C, and drought intensity (i.e. fraction of dry ponds). Dispersal distance is d=1000 m (solid line), d=500 m (broken line) and d=100 m (dotted line).
