Topic
Research
2 questions tagged Research — spanning every one of the seven Ws.
what
What is a climate proxy?
A climate proxy is an indirect natural record used to infer past weather or climate conditions. Examples include tree rings, ice cores, lake sediments, and pollen.
ClimateResearch
when
When was the first bird ringing center established?
Dedicated bird ringing and banding centers emerged in the early 20th century, after the first ringing work began in 1899.
BirdsResearch