New Zealand Journal of Botany abstract
Allozyme variation in New Zealand Porphyra (Rhodophyta)
WILLIAM N. BROSTOFF*
MARGARET E. GORDON
School of Biological Sciences
Victoria University of Wellington
P. O. Box 600
Wellington, New Zealand
*Present address: attn.: ER-C, USAE Waterways Experiment Station, 3909 Halls
Ferry Rd., Vicksburg, MS 39180, USA
Abstract We present data for Porphyra columbina and
eight putative species collected from 27 sites around the North, South, and
Stewart Islands, New Zealand. Thirty three alleles at ten gene loci are
compared. For P. columbina and five putative species, allozyme patterns
generally corresponded to the suite of morphological characteristics being
considered for their delineation. The allozymes of three other putative species
showed no such relation. Most populations at sites with several putative
species had higher allele-to-locus ratios than populations at single species
sites, and many were more closely related to putative non-conspecifics than to
conspecifics. The results suggest that more saxicolous species exist than were
previously reported and further the speculation that some of the putative
species may opportunistically hybridise.
Keywords Porphyra; allozymes; electrophoresis; New
Zealand
B96029
Received 6 June 1996; accepted 6 January 1997
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