Pseudocalanus spp. in the Western Gulf of Maine
§In MARMAP surveys 1977 – 1987, Pseudocalanus spp. shows a seasonal cycle of abundance, with two population centers:
Western Gulf of Maine Georges Bank§Davis (1984) hypothesized the Western Gulf of Maine is a source region for the Georges Bank population
§McGillicuddy et al. (1998) concluded that the populations are functionally distinct, with geographically-specific regions of growth and mortality
Color bars show concentration (# m-3)
From McGillicuddy et al. (1998)