Confirming a new species of Amalthea D’Archino & W. A. Nelson (Halymeniales, Rhodophyta) from the mesophotic zone of Hawai‘i through taxogenomics Author Cabrera, Feresa P. Department of Ecology and Evolutionary Biology, University of California, Santa Cruz, 130 McAllister Way, Santa Cruz, California 95060 (United States) feresa @ hawaii. edu / feresa @ ucsc. edu (corresponding author) feresa@ucsc.edu Author Smith, Celia M. School of Life Sciences, University of Hawai‘i, 3190 Maile Way, Honolulu, Hawai‘i 96822 (United States) celia @ hawaii. edu celia@hawaii.edu Author Spalding, Heather L. Department of Biology, College of Charleston, 66 George Street, Charleston, South Carolina 29424 (United States) spaldinghl @ cofc. edu spaldinghl@cofc.edu Author Hauk, Brian B. Author Kosaki, Randall K. Papahānaumokuākea Marine National Monument, National Oceanic Atmospheric Administration, 1845 Wasp Boulevard, Building 176, Honolulu, Hawai‘i 96818 (United States) brian. hauk @ noaa. gov randall. kosaki @ noaa. gov hauk@noaa.gov Author Sherwood, Alison R. School of Life Sciences, University of Hawai‘i, 3190 Maile Way, Honolulu, Hawai‘i 96822, (United States) asherwoo @ hawaii. edu asherwoo@hawaii.edu text Cryptogamie, Algologie 2025 2025-05-20 46 1 1 17 https://sciencepress.mnhn.fr/sites/default/files/articles/pdf/algologie2025v46a1.pdf journal article 10.5252/cryptogamie-algologie2025v46a1 55d929f9-bca9-4871-8f3f-ff422611f4f3 1776-0984 15496348
APPENDIX 3. — Comparison of depth of collection and 1% optical depths in each region. The 1% optical depth is defined as the euphotic zone depth (Zeu, m), or depth where Photosynthetically Active Radiation (PAR) (Zeu) is 1% of PAR at the surface (0 m) (Lee et al. 2018).
Location of collectionDepth range (m) of collectionDiffuse Attenuation Coefficent (KPAR, m-1)1% Optical Depth (m) (4.6/KPAR, Kirk 2011)Source
Ho‘okuleana (Penguin Banks), Hawai‘i90-1070.041112Spalding et al. 2019
Udo, Jeju Korea15-200.16328Kim et al. 2015 (calculated from 10.4 m average Secchi depth (ZSD), where K=1.7/ ZSD from Idso & Gilbert 1974)
Karikari Bay, North Island, New Zealand5-300.13235Howard-Williams et al. 1995 (K for Coastal I waters)