Invasive seaweed control

Invasive seaweed control

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Credit: DELPHINE AURES/EURELIOS/SCIENCE PHOTO LIBRARY

Caption: Invasive algae treatment. Samples of the green alga Caulerpa taxifolia before (bottom) and after (top) treatment with copper ions. This alga is native to the Caribbean, but a strain capable of growing in cooler climates was introduced to the Mediterranean in the 1980s from an aquarium. Dense meadows now cover large regions and the fast- growing alga is replacing native species and decreasing biodiversity. It is also toxic to native herbivores. The copper, which is applied through an ion-selective membrane, destroys chlorophyll, the compound used to produce energy and that gives the alga its green colour.

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Keywords: after, agricultural, agriculture, alga, algae, alien species, before, biological, biology, botanical, botany, caulerpa taxifolia, copper, ecological, ecology, flora, green algae, invasive, ion-selective membrane, ions, mediterranean, nature, non-biological, pest control, planet, poisonous, seaweed, semi-permeable membrane, strain, toxic, treatment, weed

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