You searched for:
contig
Remove constraint contig
Subject term
climatic factors
Remove constraint Subject term: climatic factors
Subject term
dieback
Remove constraint Subject term: dieback
Subject term
ecoregions
Remove constraint Subject term: ecoregions
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.