Invasive seaweed control

Invasive seaweed control

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Credit: ALEXIS ROSENFELD/SCIENCE PHOTO LIBRARY

Caption: Invasive seaweed control. Sea floor that has been cleared of an invasive species of green alga (Caulerpa taxifolia, seen at top). It is controlled by injection of liquid chlorine under a tarpaulin, or removal by hand. Caulerpa is native to the Caribbean, but a strain capable of growing in cooler climates was introduced to the Mediterranean in the 1980s, probably from an aquarium. Dense Caulerpa meadows cover large regions. It is tough, fast-growing and toxic to the main herbivores in the region. It is replacing native species and causing major ecological damage. Photographed in the French Mediterranean.

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Keywords: alga, algae, alien, aquatic, botanical, botany, caulerpa taxifolia, clearing, control, damage, damaging, disaster, ecological, ecology, environment, environmental, floor, france, french, green, harm, harmful, introduced, invasive, mediterranean, non-biological, pest control, sea, seabed, seaweed, strain, toxic, underwater, worst invasive alien species

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