Kelp/kelp/ Definition 1 of 2Pro Tip 1/3Marine Ecosystems Kelp is crucial for marine life, often supporting whole ecosystems under the water. The kelp forest is teeming with diverse species. Pro Tip 2/3Culinary Uses Kelp serves as a healthy ingredient in many cuisines, particularly in East Asian dishes. She added dried kelp to the soup for umami flavor. Pro Tip 3/3Environmental Indicator The presence of kelp can indicate clean water since it needs specific conditions to thrive. Kelp abundance is a sign of a thriving marine habitat.