Columbia subject headings:
Harvard subject headings:
Bioclimatology
Bioclimatology--Europe, Northern--Congresses.
Climatic changes
Climatic changes--Europe, Northern--Congresses.
Climatic changes.
Ecology--Europe, Northern--Congresses.
Global warming
Global warming--Europe, Northern--Congresses.
Princeton subject headings:
Animal populations--Climatic factors--Northern hemisphere.
Animals--Adaptation--Northern hemisphere.
Bioclimatology--Northern hemisphere.
Climatic changes--Northern hemisphere--Influence.
Climatic changes.
Global warming.