2. What Causes Sargassum Invasions?
An explanation for the sudden invasion of tons of algae on Caribbean shores is changing weather patterns and creating warmer temperatures in the region. According to one marine biologist, cooler autumn weather traditionally slows the algae’s growth, plus changes ocean circulation patterns, water temperature and nutrient systems and “typically keep the weed at sea.” As the sea temperature increases, sargasssum is more likely to make its way to the shores of Caribbean beaches.
