malibu's bull kelp piles

seaweed kelp brown coast plant ocean single marine water nature vegetation sea ashore pacific texture beach nereocystis shore sand background luetkeana algae washed low tide closeup bulb coastal environment flora stranded outdoor aquatic large pollution ecosystem problem sustainability coastline biodiversity underwater world creatures climate change oceanography global warming environmentalism biology stretched malibu california malibu's bull piles seaweeds california reminder protect oceans