<p dir="ltr">NENZ_morphology.csv file includes <i>Ecklonia radiata </i>morphology data and associated environmental variables. Data collected from 81 sites spread across nine NENZ locations were obtained during benthic surveys carried out as part of a national study on the community composition and structure of shallow subtidal reefs throughout New Zealand (see Shears and Babcock, 2004). </p><p dir="ltr">Australasian_morphology.csv includes <i>Ecklonia radiata </i>morphology data and associated environmental variables. Morphology data includes data from NENZ_morphology.csv and data extracted from published literature. </p>