{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T14:17:34Z","timestamp":1785421054058,"version":"3.56.0"},"reference-count":38,"publisher":"Optica Publishing Group","issue":"35","license":[{"start":{"date-parts":[[2025,12,4]],"date-time":"2025-12-04T00:00:00Z","timestamp":1764806400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/doi.org\/10.1364\/OA_License_v2#VOR-OA"},{"start":{"date-parts":[[2025,12,4]],"date-time":"2025-12-04T00:00:00Z","timestamp":1764806400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/opg.optica.org\/policies\/opg-tdm-policy.json"}],"funder":[{"DOI":"10.13039\/100000104","name":"National Aeronautics and Space\n\t\t\t\t\t\tAdministration","doi-asserted-by":"publisher","award":["NNX16AB05G"],"award-info":[{"award-number":["NNX16AB05G"]}],"id":[{"id":"10.13039\/100000104","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000104","name":"National Aeronautics and Space\n\t\t\t\t\t\tAdministration","doi-asserted-by":"publisher","award":["80NSSC24K0716"],"award-info":[{"award-number":["80NSSC24K0716"]}],"id":[{"id":"10.13039\/100000104","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100002661","name":"Fonds De La Recherche Scientifique -\n\t\t\t\t\t\tFNRS","doi-asserted-by":"publisher","award":["1.A.678.22F"],"award-info":[{"award-number":["1.A.678.22F"]}],"id":[{"id":"10.13039\/501100002661","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["opg.optica.org"],"crossmark-restriction":false},"short-container-title":["Appl. Opt."],"published-print":{"date-parts":[[2025,12,10]]},"abstract":"<jats:p>\n                    Spectral reflectance provides\n\t\t\t\t\ta potentially non-invasive approach to estimating coral pigments. We\n\t\t\t\t\tdeveloped revised models using partial least-squares regression\n\t\t\t\t\ttrained on paired reflectance and high-performance liquid\n\t\t\t\t\tchromatography pigment data from five coral species. Robust\n\t\t\t\t\tcross-validation yielded useful models for chlorophyll\n                    <jats:italic>a<\/jats:italic>\n                    , peridinin, diadinoxanthin, and\n                    <jats:italic>\u03b2<\/jats:italic>\n                    -carotene, though chlorophyll\n                    <jats:italic>c<\/jats:italic>\n                    <jats:sub>2<\/jats:sub>\n                    and diatoxanthin performed poorly,\n\t\t\t\t\tlikely from chromatographic or degradation issues. Target factor\n\t\t\t\t\tanalysis confirmed all pigments were spectrally present. Applying the\n\t\t\t\t\tmodels to &gt;4000 spectra from 130 corals across 16\n\t\t\t\t\tgenera produced biologically reasonable estimates consistent with\n\t\t\t\t\tSymbiodiniaceae pigment suites. Although prediction errors limit\n\t\t\t\t\thigh-precision physiology, these models enable scalable,\n\t\t\t\t\tnon-destructive monitoring of coral pigment dynamics.\n                  <\/jats:p>","DOI":"10.1364\/ao.578421","type":"journal-article","created":{"date-parts":[[2025,11,10]],"date-time":"2025-11-10T16:00:10Z","timestamp":1762790410000},"page":"10603","update-policy":"https:\/\/doi.org\/10.1364\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Revised empirical models for estimating coral pigment concentrations from optical reflectance spectra"],"prefix":"10.1364","volume":"64","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5400-9252","authenticated-orcid":true,"given":"Eric J.","family":"Hochberg","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/05j1wxv23","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hugo","family":"Ducret","sequence":"additional","affiliation":[{"name":"Vrije Universiteit Brussel"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Heidi M.","family":"Dierssen","sequence":"additional","affiliation":[{"name":"University of Connecticut Avery Point"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"285","published-online":{"date-parts":[[2025,12,4]]},"reference":[{"key":"ao-64-35-10603-R1","doi-asserted-by":"publisher","first-page":"23","DOI":"10.1007\/s002270050221","type":"journal-article","volume":"130","author":"Iglesias-Prieto","year":"1997","journal-title":"Mar. 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