[{SlideShowNav}] !!!Phytoplankton Mats [{Image src='130fj.jpg' width='720' height='360' caption='Photo courtesy of NASA. ' popup='false' alt='Phytoplankton Mats' class='image_left'}] [{SET customtitle='Phytoplankton Mats'}] \\ An enlargement of part of the previous image showing swirls of phytoplankton mats.