Editor-in-Chief: Dring, Matthew J.
IMPACT FACTOR 2017: 0.989
5-year IMPACT FACTOR: 1.204
CiteScore 2017: 1.00
SCImago Journal Rank (SJR) 2017: 0.297
Source Normalized Impact per Paper (SNIP) 2017: 0.454
Morphological and genetic variation in Egregia menziesii over a latitudinal gradient
This study characterized morphological variation in the kelp, Egregia menziesii, over a large geographic scale. Marked differences in rachis and lateral blade morphology were observed, suggesting local adaptation to the variable conditions of wave exposure and upwelling found across the study area. Observations of rachis type at different developmental stages indicated differential survivorship of smooth versus papillated individuals at sites with differing wave exposure. Variations in Egregia morphology have long been recognized and were previously used for discriminating species within the genus; thus, we tested the hypothesis that the different morphological forms reflect genetically distinct populations. Nucleotide sequences of the ITS regions did not reveal genetic structure among three, morphologically distinct populations providing little evidence for speciation in Egregia.
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