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Wrack line on a sandy beach adjacent to a sand dune ecosystem. Beach wrack or marine wrack is organic material (e.g. kelp, seagrass, driftwood) and other debris deposited at high tide on beaches and other coastal area. This material acts as a natural input of marine resources into a terrestrial system, providing food and habitat for a variety ...
Send Kelp! is a Canadian documentary film, directed by Blake McWilliam and released in 2024. [1] The film centres on Frances Ward, a woman who decided to deal with her fears about the world's environmental future by launching a kelp farm on Vancouver Island to contribute to replenishing the Pacific Ocean ecosystem.
Kelp fly is one common name of species of flies in a number of families of "true flies" or Diptera. They generally feed on stranded and rotting seaweed , particularly kelp in the wrack zone . When conditions are suitable they are very numerous and may be ecologically important in the turnover of organic material on the coast. [ 1 ]
The Coelopidae or kelp flies are a family of Acalyptratae flies (order Diptera), they are sometimes also called seaweed flies, although both terms are used for a number of seashore Diptera. Fewer than 40 species occur worldwide.
The kelp floats as a raft and can travel vast distances at sea, driven by ocean currents. Kelp-associated invertebrates can be transported inside of drifting holdfasts, potentially leading to long-distance dispersal and a significant impact upon the population genetic structure of those species. [26] [27] [28] [29]
A falling-sand game is a genre of video game and a sub-genre of sandbox games which typically utilize a two-dimensional particle or cellular automaton based game engine to simulate various materials interacting in a sandbox environment.
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 ...
The species Pelagophycus porra, also known as elk kelp, grows in temperatures of no higher than 60 °F (16 °C). It grows in subtidal forests in the coastal waters off southern California and northwestern Baja California Peninsula , in waters of 20 metres (66 ft) to 90 metres (300 ft) deep, anchored by a holdfast in sedimentary or loose ...