4 years ago

Distribution and community composition of lichens on mature mangroves (<i>Avicennia marina</i> subsp. <i>australasica</i> (Walp.) J.Everett) in New Zealand

Dan J. Blanchon, Linton Winder, Christy L. Reynolds, Orhan A. H. Er

by Christy L. Reynolds, Orhan A. H. Er, Linton Winder, Dan J. Blanchon

Mangrove forests of a single trees species, Avicennia marina subsp. australasica are widespread in the upper North Island of New Zealand, but there is little available information on the diversity of epiphytes such as lichens within them. A survey of 200 trees from 20 mangrove sites recorded a total of 106 lichen species from 45 genera. Two of these species are considered to be ‘Threatened’, five ‘At Risk’ and 27 ‘Data Deficient’. Multiple regression indicated that tree diameter (DBH) and mean annual rain days positively influenced site species richness. Multidimensional scaling showed that sites from the same geographical region generally formed distinct clusters. Redundancy analysis indicated that mean annual wet days, latitude and DBH measurably influenced species composition.

Publisher URL: http://journals.plos.org/plosone/article

DOI: 10.1371/journal.pone.0180525

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