Attachment

SeaWIFs satellite images of average October chlorophyll levels in
the Gulf of Maine and South of Cape Cod 1997-2000    

Oct 1997 Mean
Oct 1998 Mean
Oct 1999 Mean
Oct 2000 Mean

Satellite images of average surface chlorophyll for October 1997-2000 show a trend of increasing levels of concentration over time. (Red-orange areas are relatively high, green-blue areas are relatively low.)