Fall 2011 Update: Spring Bloom Timing
The spring bloom typically starts earlier in the more southern segments of the Northeast Shelf LME. In 2011, our analysis of bloom start date suggests that the spring bloom essentially started at the same time throughout the shelf, around March 15. The peak date of the bloom was earlier in the Middle Atlantic Bight at April 2, whereas the bloom peaked in the Gulf of Maine and on Georges Bank almost two weeks later. This delay reflects spring bloom duration which tends to be longer in the Gulf of Maine and on Georges Bank; in 2011, the bloom lasted 50 days in the Gulf of Maine compared to 40 days in the Middle Atlantic Bight.