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Kelp forests are some of the most productive ecosystems in the world - they are home to a great diversity of species. Many groups, like those at the Seattle Aquarium, are studying the health, habitat, and population trends in order to understand why certain kelp (like bull kelp) thrives in some areas and not others.
Smaller areas of anchored kelp are called kelp beds. They are recognized as one of the most productive and dynamic ecosystems on Earth. [ 1 ] [ 2 ] Although algal kelp forest combined with coral reefs only cover 0.1% of Earth's total surface, they account for 0.9% of global primary productivity . [ 3 ]
Seaweed's appearance resembles non-woody terrestrial plants. Its anatomy includes: [10] [11] Thallus: algal body Lamina or blade: flattened structure that is somewhat leaf-like Sorus: spore cluster; pneumatocyst, air bladder: a flotation-assisting organ on the blade; Kelp, float: a flotation-assisting organ between the lamina and stipe
In coastal plant communities, such as kelp, seagrass meadows, mangrove forests and salt marshes, several studies have documented the far-reaching effects of changing predator populations. Across coastal ecosystems, the loss of marine predators appears to negatively affect coastal plant communities and the ecosystem services they provide.
[50] [51] Brown algae form a class containing about 2,000 recognised species, [52] mostly multicellular and including many seaweeds such as kelp. Unlike higher plants, algae lack roots, stems, or leaves. They can be classified by size as microalgae or macroalgae. Microalgae are the microscopic types of algae, not visible to the naked eye.
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The plant has no effective method to disperse its seeds; other species have seeds that can catch a ride on the wind, on an animal’s fur or in a bird’s stomach.
An alternative offset would be to cultivate kelp forests. Kelp can grow at 2 feet per day, 30 times faster than terrestrial plants. Planting kelp across 10% of the oceans (4.5 x the area of Australia) could provide the same offset. Additionally, the kelp would support a fish harvest of 2 megatons per year and reduce ocean acidification. Large ...