Image from the Biodiversity Heritage Library.
Contributed by Smithsonian Institution Archives.
| www.biodiversitylibrary.org
Transcription
Figure 13. Daily Abundance of Markham's and Black Storm Petrels
EASTROPAC
AUGUST - SEPTEMBER
1967
B=Black Storm Petrel
M=Markham's
-30°
-20°
-10°
0°
-10°
-20°
120° 110° 100° 90° 80°