First record of Undaria pinnatifida (Harvey) Suringar (Laminariales, Phaeophyta) on the Pacific coast of Mexico
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Raúl Aguilar-Rosas
Abstract
Undaria pinnatifida, a laminarian kelp (Phaeophyta) native to Japan, Korea and northern China, has been introduced recently to the coast of southern California (USA). We present the first record of this invasive species on the Mexican Pacific coast, and show the current southern limit along the Pacific coast of North America. U. pinnatifida was found on September 28th, 2003, growing attached to small rocks on a sandy bottom in the subtidal zone at 12–14 m depth at Todos Santos Islands, in Baja California, Mexico. This population consisted of 15 sporophytes, with an average length of 50 cm and with mature sporophylls. This new finding suggests that the colonization of the Pacific coast of North America by this invasive species is still occurring, and its distributional range is expanding.
Copyright © 2004 by Walter de Gruyter GmbH & Co. KG
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Articles in the same Issue
- Dinoflagellate cysts in recent marine sediments from Scapa Flow, Orkney, Scotland
- Dinoflagellate cysts in recent marine sediments from the east coast of Russia
- Variation in chemical defenses against herbivory in southwestern Atlantic Stypopodium zonale (Phaeophyta)
- Seasonal variations in fatty acid composition of Caulerpa taxifolia (M. Vahl.) C. Ag. in the northern Adriatic Sea (Malinska, Croatia)
- Chemical composition and biological activity of the brackish-water green alga Cladophora rivularis (L.) Hoek
- Ultrastructure of tetrasporogenesis in the red alga Rhodymenia californica var. attenuata (Rhodymeniaceae, Rhodymeniales, Rhodophyta)
- Organisation of the microtubular cytoskeleton in protoplasts from Palmaria palmata (Palmariales, Rhodophyta)
- Thalassiosira fryxelliae nov. spec. (Bacillariophyceae) from Argentinian coastal waters
- Short-term uptake of dissolved organic nitrogen by an axenic strain of Ulva pertusa (Chlorophyceae) using [15]N isotope measurements
- The occurrence of Boodleopsis vaucherioidea Calderón-Sáenz et Schnetter (Udoteaceae, Chlorophyta) in Brazil
- First record of Undaria pinnatifida (Harvey) Suringar (Laminariales, Phaeophyta) on the Pacific coast of Mexico
- World atlas of seagrasses
- The genus Dictyota (Dictyotales, Phaeophyta) in the Indian Ocean
- Meetings
