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In Alaskan kelp forest ecosystems, sea otters are the keystone species that mediates this trophic cascade. In Southern California, kelp forests persist without sea otters and the control of herbivorous urchins is instead mediated by a suite of predators including lobsters and large fishes, such as the California sheephead.
Archaeological evidence from California's Channel Islands confirms that islanders were harvesting kelp forest shellfish and fish, beginning as much as 12,000 years ago. During the Highland Clearances , many Scottish Highlanders were moved on to areas of estates known as crofts , and went to industries such as fishing and kelping (producing soda ...
The veterinarian who lives in Berkeley, California is part of a crew of volunteers who swim, snorkel and dive armed with pick axes and hammers on a sole mission: To crush purple urchins that ...
The citizen-scientist group Reef Check California participates by offering help in the collection of data regarding rocky reefs, kelp forests, and fin fish. [ 18 ] Monitoring studies carried out by PISCO have shown a rise in the biomass of species in northern Channel Islands MPAs, which include Anacapa State Marine Reserve, in comparison with ...
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The team of divers was training in the giant kelp forests of eastern Santa Cruz Island in California’s Channel Islands National Park. Curious sea creature follows diver in kelp forest — and ...
Giant kelp forests surround the islands and act as a source of nutrition and protection for other animals. [2] Invasive species, such as the Australian blue gum tree, olive tree, sweet fennel and Harding grass threaten native species through competition for light, nutrients, and water. The Australian blue gum, for example, releases toxins in ...