Umanzor, S., Good, M., Bobrycki, T., Kim, J.K., and Yarish, C. Building community capacity in site suitability assessments and determination of nutrient removal related to kelp mariculture. Aquaculture Reports. Manuscript Number: AQREP-D-22-00142

Shelamoff, V., Umanzor, S., Layton, C., Tatsumi, M., Cameron, M.J., Wright, J.T., Johnson, C.R. Ecosystem engineering kelp limits recruitment of mussels and microphytobenthic algae. Marine Biology. Manuscript Number: MABI-D-22-00010

Sol, H., Park, J.S., Umanzor, S., Yarish, C., Kim, J.K. Sargassum horneri, a new source of biostimulant: effect of extraction methods on the growth of an economically important red alga, Neopyropia yezoensis. Scientific Reports

Li, Y., Umanzor, S., Ng, C., Huang, M., Marty-Rivera, M., Bailey, D., Aydlett, M., Jannink, J-L., Lindell, S., Yarish, C. Increased biomass production of farmed seaweed in the Northwest Atlantic farm of the U.S. using sugar kelp (Saccharina latissima) and skinny kelp (Saccharina angustissima) hybrids. Journal of Applied Phycology

Kite Powell, H., Ask, E., Augyte, S., Bailey, D., Decker, J., Goudey, C., Grebe, G., Li, Y., Lindell, S., Manganelli, D., Mary-Rivera, M., Ng, C., Roberson, L., Stekoll, M., Umanzor, S., Yarish, C. Estimating production cost for large-scale seaweed farms. Applied Phycology


Umanzor, S. and Stephens, T. Nitrogen and carbon removal capacity by farmed Alaria marginata and Saccharina latissima varies by species. Accepted: Phycology. March, 2022



Umanzor, S., Han, S., Song, H.-I., Park, J.S., Critchley, A.T., Yarish, C. and Jang, J.K. Ascertaining the interactions of brown seaweed-derived biostimulants and seawater temperature on spore release, germination, conchocelis, and newly formed blades of the commercially important red alga Neopyropia yezoensis? Algal Research. 64(3):102692

Hossain, A., Apul, O. G., Dev, S., Das, S., Islam, S., Lai, C.-Y., Huntington, H., Kirisits, M. J., Umanzor, S., Chen, W.-T., Aggarwal, S., Saleh, N. B. 2021. A symbiotic engineering approach for microplastic remediation in mariculture systems. ACS ES&T Engineering.

Huang, M., Robbins, K.R., Li, Y., Umanzor, S., Marty-Rivera, M., Bailey, M., Yarish, C., Lindell, S. Jannink, J-L.  Simulation of sugar kelp (Saccharina latissima) breeding guided by practices to prioritize accelerated research gains. G3 Genes|Genomes|Genetics

Umanzor, S., Han, S., Song H.I., Park, J.S., Critchley, A.T., Yarish, C., Kim, J.K. (2022). Enhancements provided by the use of an Ascophyllum nodosum extract can be transferred through archeospores in the red alga Neopyropia yezoensis (Ueda) L.-E. Yang & J. Brodie. Aquatic Botany, 177: 103481

Umanzor, S., Sandoval-Gil, J.M., Sanchez-Barredo, M., Ladah, L., Ramírez, M.M., and Zertuche-González, J.A (2021 Short-term stress responses and recovery of giant kelp (Macrocystis pyrifera, Laminariales, Phaeophyceae) juvenile sporophytes to a simulated marine heatwave and nitrate scarcity. Journal of Phycology, 57(5): 1604-1618.


Augyte, S., Jannink, J-L., Mao, X., Huang, M., Robbins, K., Hare, M., Umanzor, S., Marty-Rivera, M. Li, Y., Lindell, S., Bailey, D., Yarish, C. (2021). Kelp, Saccharina spp, population genetics in New England, US, for guiding a breeding program of thermally resilient strains (The 47th Scientific Symposium of UJNR Aquaculture Panel: Marine Aquaculture in a Changing Environment). Bulletin of Japan Fisheries Research and Education Agency (50), 135-139.


Umanzor, S., Li, Y., Bailey, D., Augyte, S., Marty-Rivera, M., Huang, M., Jannink, J-L, Yarish, C., Lindell, S. (2020). Comparative analysis of morphometric traits of farmed sugar kelp and skinny kelp (Saccharina spp.)  strains from the Northwest Atlantic. J World Aquac Soc. 2021: 1–10.

Umanzor, S., Li, Y. and Yarish, C. (2020). Effect of direct “seeding” binders and embryonic sporophyte sizes on the development of the sugar kelp, Saccharina latissima. Journal of Applied Phycology. doi: 10.1007/s10811-020-02277-z

Mao, X., Augyte, S., Huang, M., Hare, M. P., Bailey, D., Umanzor, S., Marty-Rivera, M., Robbins, K. R., Yarish, C., Lindell, S., & Jannink, J.-L. (2020). Population genetics of sugar kelp in the Northwest Atlantic region using genome-wide markers. Frontiers in Marine Science,

Umanzor, S., Jang, S., Antosca, R. Critchley, A.T., Yarish, C. and Kim, J.K. (2020). Optimizing the application of selected biostimulants to enhance the growth of Eucheumatopsis isiformis, a carrageenophyte with commercial value, as grown in land-based nursery systems. Journal of Applied Phycology 32, 1917–1922. doi:10.1007/s10811-020-02091-7

Cabrera R., Díaz-Larrea J., Umanzor S., Clero L., Alfonso, Y., Núñez-García L.G. (2020) Comparative growth and demographics of Thalassia testudinum meadows in Cuba using direct and reconstructive methods approaches to inform conservation efforts. Int J Recent Sci Res 11:37446–37452. doi: 10.24327/IJRSR

Augyte, S., G. Wikfors, S. Pitchford, M. Marty- Rivera, Umanzor, S., Yarish, C., Bailey, D. and Lindell, S. (2020). The application of flow cytometry for kelp meiospore isolation. Algal Research, 48: 101810, doi:10.1016/j.algal.2020.101810

Umanzor, S., Shin, S. Marty-Rivera, M., Augyte, S., Yarish, C. and Kim, J.K. (2019) Exploratory evaluation of the effects of Kelpak® seaweed extract on cultivated kelp Saccharina spp. exposed to sublethal and lethal temperatures. Journal of World Aquaculture Society, 1-10,

Umanzor, S., Ramírez, M.M., Sandoval-Gil, J.M., Zertuche-González, J.A, and Yarish, C. (2019). Photoacclimation and Photoprotection of Juvenile Sporophytes of Macrocystis pyrifera (Laminariales, Phaeophyceae) Under High-light Conditions During Short-term Shallow-water Cultivation. Journal of Phycology, doi: 10.1111/jpy.12951

Cabrera, R., Díaz-Larrea, J., Umanzor, S., Núñez García, LG (2019). Using a macroalgal functional form approach to assess the level of disturbance of seagrass meadows in Bahía of Nuevitas, Cuba (2000-2002). American Journal of Plant Sciences 10(11):2020-2033


Cabrera, R., Umanzor, S., Díaz-Larrea, J., Araújo, P.G. (2019). Kappaphycus alvarezii (Rhodophyta): New record of an exotic species for the Caribbean Coast of Costa Rica. American Journal of Plant Sciences, doi: 10.4236/ajps.2019.1010133

Cabrera, R., Díaz-Larrea, J., Umanzor, S. (2019). New records of marine macroalgae on the Caribbean Coast of Costa Rica. American Journal of Plant Sciences, doi: 10.4236/ajps.2019.1010122

Umanzor, S., Shin, S. Marty-Rivera, M., Augyte, S., Yarish, C. and Kim, J.K. (2019). Preliminary assessment on the effects of the commercial seaweed extract, AMPEP, on growth and thermal tolerance of the kelp Saccharina spp. from the Northwest Atlantic. Journal of Applied Phycology, doi: 10.1007/s10811-019-01852-3

Umanzor, S., Ladah, L. Calderón-Aguilera, L.E. and Zertuche-González, J.A. (2019). Testing the relative importance of intertidal macroalgae as ecosystem engineers across extreme scenarios. Journal of Experimental Marine Biology and Ecology 511: 100–107, doi:10.3354/meps12355


Umanzor, S., Ladah, L. and Zertuche-González, J.A. (2018). Intertidal seaweeds modulate a contrasting response in understory macroalgal and microphytobenthic recruitment. Frontiers in Marine Science 5:296, doi:10.3389/fmars.2018.00296

Umanzor, S., Ladah, L. and Zertuche-González, J. A. (2017). The influence of species, density, and diversity of macroalgal aggregations on microphytobenthic settlement. Journal of Phycology 53 (5), doi: 10.1111/jpy.12565


Umanzor, S., Ladah, L., Calderón-Aguilera, L. E. and Zertuche-González, J.A. (2017). Intertidal macroalgae influence macroinvertebrate distribution across stress scenarios. Marine Ecology Progress Series: 584: 67-77, doi:10.3354/meps12355


Radulovich, R., Umanzor, S., Cabrera, R. and Mata, R. (2015). Tropical seaweeds for human food, their cultivation and its effect on biodiversity enrichment. Aquaculture 436: 40–46, doi: 10.1016/j.aquaculture.2014.10.032


Cheney, K. L., Cortesi, F., How, M. J., Wilson, N. G., Blomberg, S. P., Winters, A. E., Umanzor, S. and Marshall, N. J. (2014), Conspicuous visual signals do not coevolve with increased body size in marine sea slugs. Journal of Evolutionary Biology, 27: 676–687. doi: 10.1111/jeb.12348

Books and book chapters

Radulovich, R. and Umanzor, S. (2020). Halophyte cultivation. In: Grigore, Marius-Nicusor [Ed], Halophyte cultivation and use. In Handbook of Halophytes. From molecules to ecosystems towards biosaline agriculture. In press

Radulovich, R., Umanzor, S. and Cabrera, R. (2013). Algas Tropicales Cultivo y Uso como Alimento 2013 (Tropical Seaweeds: Cultivation and Use as Food). Universidad de Costa Rica. ISBN: 978-9977-15-261-5

Grey Literature

Umanzor, S., Shin, S.K., Augyte, S., Yarish, C., Kim, J.K. 2018. Preliminary Experiments on Using the Seaweed Extract, AMPEP, to Enhance Thermal Tolerance and Growth of the Sugar Kelp, Saccharina latissima, from New England. Proceedings of the 46th US-Japan Aquaculture Panel Symposium. NOAA Technical Memorandum NMFS-F/SPO-222


Augyte S., Umanzor, S., Yarish C., Lindell S. (2018) Enhancing marine ecosystem services via kelp aquaculture. ISAP Newsl. December-2018 10–14

Radulovich, R., Umanzor, S., Mata, R. and Elizondo, D. (2015). Aquatic Agriculture: Cultivating Floating Crops on Lakes. World Aquaculture, Mar: 62–67.