*Student author

Forthcoming work and preprints

*Spindel, NB, Lee, LL, Okamoto, DK Metabolic depression in sea urchin barrens associated with food deprivation. In Press in Ecology.  BioRxiv preprint.

Lee, LL, Gwiisihlgaa (McNeill, D), Ridings, P, Featherstone, M, Okamoto, DK, *Spindel, NB, Galloway, AEW, Saunders, GW, Adamczyk, EG, Reshitnyk, L, Pontier, O, Post, M, Irvine, R, Gulxa taa’a gaagii ng.aang (Wilson, N) and SGiids Kung (Bellis, V).  Chiixuu Tll iinasdll: Indigenous Ethics and Values Lead to Ecological Restoration for People and Place in Gwaii Haanas. Accepted in Ecological Restoration

Rassweiler, A, Okamoto, DK, Reed, DC, Kushner, D, Schroeder, D, Lafferty, K. Improving the ability of a BACI design to detect impacts within a kelp-forest community. Accepted in Ecological Applications.


Dee, LE, Okamoto, DK, Gårdmark, A. Montoya, J, Miller SJ. Temperature variability alters stability and collapse of interacting species.  2020. Philosophical Transactions of the Royal Society B. 375: 2019045. PDF

Zampieri, N, Pau, S, Okamoto, DK. 2020. The impact of Hurricane Michael on longleaf pine habitats in Florida.  Scientific Reports.  PDF

DK Okamoto, SC Schroeter, DC Reed. 2020. Effects of Ocean Climate on Spatiotemporal Variation in Sea Urchin Settlement and Recruitment. Limnology and Oceanography.    PDF

DK Okamoto, M Hessing-Lewis, JF Samhouri, AO Shelton, A Stier, PS Levin, AK Salomon.  2020. Spatial variability within exploited metapopulations obscures risk of collapse. Ecological Applications.  PDF

L Rogers-Bennett & DK Okamoto.  2020. Mesocentrotus franciscanus and Strongylocentrotus purpuratus. In: Sea Urchins: Biology and Ecology.  Editor: JM Lawrence.  Elsevier Science & Technology.  Link 


DK Okamoto, M Poe, T Francis, AE Punt, PS Levin, AO Shelton, D Armitage, JS Cleary, S Dressel, R Jones, H Kitka, LC Lee, AD MacCall, JA McIsaac, S Reifenstuhl, JJ Silver, JO Schmidt, TF Thornton, R Voss, J Woodruff.  2019.  Attending to spatial social-ecological sensitivities to improve trade-off analysis in natural resource management.  Fish and Fisheries. PDF

DI Kline, L Teneva, DK Okamoto, K Schneider, K Caldeira, T Miard, A Chai, M Marker, RB Dunbar, BG Mitchell, S Dove, O Hoegh-Guldberg.  2019. In Situ Study Shows Living Coral Provides Resilience to Ocean Acidification.  Nature Ecology & Evolution.  PDF


AK Salomon, AE Quinlan, G Pang, DK Okamoto, L Vazquez-Vera. 2019 Quantifying social-ecological resilience reveals opportunities for transforming environmental governance.   Ecology and Society.  PDF

Armitage, DR, DK Okamoto, JJ Silver, TB Francis, PS Levin, AE Punt, IP Davies, JS Cleary, SC Dressel, RR Jones, H Kitka, LC Lee, AD MacCall, JA McIsaac, MR Poe, S Reifenstuhl, AO Shelton, JO Schmidt, TF Thornton, R Voss, J Woodruff.  2019. Integrating governance and quantitative evaluation of resource management strategies to improve social and ecological outcomes.  BioScience.  PDF


Burt, JM, TB Tinker, DK Okamoto, KW Demes, K Holmes AK Salomon. 2018. A mesopredator alters the resilience of alternative states through complementarity with a keystone predator.  Proceedings of the Royal Society B.  285(1883). PDF

           forbes_1200x1200 The_Vancouver_Sun_logo cbc.max-800x320genereic-share-facebook.jpg

Punt, AE, DK Okamoto, A MacCall, AO Shelton, DR Armitage, JS Cleary, IP Davies, SC Dressel, TB Francis, PS Levin, RR Jones, H Kitka, LC Lee, JA McIsaac, MR Poe, S Reifenstuhl, JJ Silver, JO Schmidt, TF Thornton, R Voss, J Woodruff.  2018. When are estimates of spawning stock biomass for small pelagic fishes improved by taking spatial structure into account? Fisheries Research.  PDF

MacCall, A, TB Francis, Punt, AE,  , AO Shelton, DR Armitage, JS Cleary, SC Dressel, PS Levin, RR Jones, H Kitka, LC Lee, JA McIsaac, DK Okamoto, MR Poe, S Reifenstuhl, JJ Silver, JO Schmidt, TF Thornton, R Voss, J Woodruff.  2018. A heuristic model of learned migration behavior exhibits distinctive spatial and reproductive dynamics.  ICES Journal of Marine SciencePDF

R Voss, MF Quaas, JO Schmidt, MT Stoeven, TB. Francis, PS Levin, DR Armitage, JS Cleary, RR Jones, LC Lee, DK Okamoto, JJ Silver, MC Siple, TF Thornton, SC Dressel, AD MacCall, AE Punt.Quantifying the benefits of spatial fisheries management – an ecological-economic optimization approach. Ecological Modeling.

Pau, S, DK Okamoto, O Calderón, SJ Wright. 2018. Long-term increases in tropical flowering activity across growth forms in response to rising CO2 and climate change. Global Change BiologyPDF


Kapsenberg, LK*, DK Okamoto*, JM Dutton & GE Hoffman. 2017. Sensitivity of sea urchin fertilization to pH varies across a natural pH mosaic. Ecology & Evolution. 7:6, 1737–1750.  PDF .     *Authors contributed equally to this work

Keeling, B, M Hessing-Lewis, C Housty, DK Okamoto, E Gregr, & AK Salomon. 2017.  Factors driving spatial variation in egg survival of an ecologically and culturally important forage fish. Aquatic Conservation: Marine and Freshwater Ecosystems. 27:4, 814-827. PDF

2016 & beyond

Okamoto, DK.  2016. Competition among eggs shifts to cooperation along a sperm supply gradient in an external fertilizer. The American Naturalist. 187:5, E129-E142. PDF

Okamoto, DK, RJ Schmitt, & SJ Holbrook.  2016. Stochastic density effects on adult fish survival and implications for population fluctuations. Ecology Letters, 9:153 -162. SourcePDF

Krumhansl, K, DK Okamoto et al. 2016.  Global patterns of kelp forest change over the past half-century. Proceedings of the National Academy of Sciences. 113:48, 13785–13790. PDF

Okamoto, DK, MS Stekoll, & GL Eckert. 2013. Coexistence despite recruitment inhibition of kelps by subtidal algal crusts. Marine Ecology Progress Series, 493:103-112.  PDF

Okamoto, DK, RJ Schmitt, SJ Holbrook, & DC Reed. 2012. Fluctuations in food supply drive recruitment variation in a marine fish. Proceedings of the Royal Society B, 279(1747):4542-4550. PDF

Britton-Simmons, KH, B Pister, I Sanchez, & DK Okamoto. 2011. Response of a native, herbivorous snail to the introduced seaweed Sargassum muticum. Hydrobiologia, 661(1):187-196. PDF

Britton-Simmons, KH, G Foley, & DK Okamoto. 2009. Spatial subsidy in the subtidal zone: utilization of drift algae by a deep subtidal sea urchin. Aquatic Biology, 5(3):233-243. PDF.