Image 4 (IMAGE)

University of South Florida

Image 4

Caption

Sea Education Association’s SSV Corwith Cramer passes a clump of Sargassum natans var. natans while transiting the Gulf Stream. For almost 50 years, research vessels operated by the group have documented the abundance of three common sargassum varieties, information essential for tracking different regional populations and understanding reasons for observed long-term changes.

Credit

Jeff Schell

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