New Zealand Journal of Botany abstracts

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The Asian kelp Undaria pinnatifida (Phaeophyta: Laminariales) found in a New Zealand harbour

CAMERON H. HAY
PENELOPE A. LUCKENS

New Zealand Oceanographic Institute
Division of Marine and Freshwater Science
DSIR, Private Bag, Kilbirnie
Wellington, New Zealand

Abstract The kelp Undaria pinnatifida (Phaeo- phyta: Laminariales), native to Japan, Korea and parts of China, has been found growing subtidally to 7 m depth over a 4 km stretch of the shoreline of Wellington Harbour, New Zealand. In August 1987, some sporophytes were up to 1.3 m tall with fully developed sporophylls. Circumstantial evi- dence suggests Japanese and Korean fishing vessels may have carried Undaria to New Zealand within the last nine years. This is the second record of Undaria being inadvertently introduced to shores beyond Asia, and it is the first record of its occur- rence in the Southern Hemisphere.

Keywords Undaria pinnatifida; Laminariales; introduction; Wellington Harbour; New Zealand

Received 30 September 1987; accepted 23 October 1987
New Zealand Journal of Botany, 1987, Vol. 25: 329-332
0028-825X/87/2502-0329$2.50/0 © Crown copyright 1987

PDF file of entire paper: medium quality (817K); (scanned from paper original: notes about this process)

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