Evelyn Armstrong - University of Otago

2026

Journal - Research Article

Muetzel, L. K., Armstrong, E., Wilson, A. R. W., Dillingham, P. W., Taylor, L. R., Russell, B. K., & McGraw, C. M. (2026). Rapid assessment of intracellular lipid using a dissolvable fluorescent sensing layer for single-cell, population-level monitoring. Analyst. Advance online publication. doi: 10.1039/d6an00723f

2025

Journal - Research Article

Zarekarizi, A., Burritt, D. J., Stewart, I., Armstrong, E., & Hoffmann, L. J. (2025). Light quality rather than oxidative stress impacts fucoxanthin content in Coscinodiscus radiatus and Cylindrotheca sp. New Zealand Journal of Marine & Freshwater Research. Advance online publication. doi: 10.1080/00288330.2025.2485937

Morales, S. E., Tobias-Hünefeldt, S. P., Armstrong, E., Pearman, W. S., & Bogdanov, K. (2025). Marine phytoplankton impose strong selective pressures on in vitro microbiome assembly, but drift is the dominant process. ISME Communications, 5(1), ycaf001. doi: 10.1093/ismeco/ycaf001

2024

Conference Contribution - Published proceedings: Abstract

Hashemi, S., Armstrong, E., & McGraw, C. M. (2024). An automated amperometric gas sensor for measurement of intercellular dimethylsulfoniopropionate in two types of macroalgae. Proceedings of the New Zealand Institute of Chemistry (NZIC) Conference. (pp. 186). Retrieved from https://nzic.org.nz/conferences

Wilson, A. R. W., Muetzel, L. K., Armstrong, E., & McGraw, C. M. (2024). Advancements in inter-sample precision in rapid fluorescent technologies for the rapid quantification of lipids within Chlamydomonas reinhardtii. Proceedings of the New Zealand Institute of Chemistry (NZIC) Conference. (pp. 170). Retrieved from https://nzic.org.nz/conferences

Seabrook, S., Mackay, K., Watson, S. J., Clare, M. A., Hunt, J. E., Yeo, I. A., … Hoffmann, L. J., Armstrong, E., & Williams, M. J. M. (2024). Volcaniclastic density currents explain widespread and diverse seafloor impacts of the 2022 Hunga Volcano eruption. Proceedings of the Annual Marine Geological & Biological Habitat Mapping (GeoHab) Conference: Habitat mapping for sustainable oceans. (pp. 123). [Abstract]

2023

Journal - Research Article

Seabrook, S., Mackay, K., Watson, S. J., Clare, M. A., Hunt, J. E., Yeo, I. A., … Hoffmann, L. J., Armstrong, E. A., & Williams, M. J. M. (2023). Volcaniclastic density currents explain widespread and diverse seafloor impacts of the 2022 Hunga Volcano eruption. Nature Communications, 14, 7881. doi: 10.1038/s41467-023-43607-2

Chen, W.-H., Armstrong, E., Dillingham, P. W., Moratti, S. C., Ennis, C., & McGraw, C. M. (2023). Dual-lifetime referencing (t-DLR) optical fiber fluorescent pH sensor for microenvironments. Sensors, 23, 8865. doi: 10.3390/s23218865

Armstrong, E., & Law, C. S. (2023). Resilience of Emiliania huxleyi to future changes in subantarctic waters. PLoS ONE, 18(11), e0284415. doi: 10.1371/journal.pone.0284415

Other Research Output

Armstrong, E. & Law, C. S. (2023). Physiological measurements from the long-term laboratory incubation of Emiliania huxleyi grown at present day temperature and pH conditions in subantarctic waters and projected conditions for 2100. PANGAEA. doi: 10.1594/PANGAEA.959857

2022

Journal - Research Article

Dengg, M., Stirling, C. H., Reid, M. R., Verburg, P., Armstrong, E., Kelly, L. T., & Wood, S. A. (2022). Growth at the limits: Comparing trace metal limitation of a freshwater cyanobacterium (Dolichospermum lemmermannii) and a freshwater diatom (Fragilaria crotonensis). Scientific Reports, 12, 467. doi: 10.1038/s41598-021-04533-9

2021

Journal - Research Article

Saint-Macary, A. D. N., Barr, N., Armstrong, E., Safi, K., Marriner, A., Gall, M., McComb, K., Dillingham, P. W., & Law, C. S. (2021). The influence of ocean acidification and warming on DMSP & DMS in New Zealand coastal water. Atmosphere, 12(2), 181. doi: 10.3390/atmos12020181

Chen, W.-H., Dillon, W. D. N., Armstrong, E. A., Moratti, S. C., & McGraw, C. M. (2021). Self-referencing optical fiber pH sensor for marine microenvironments. Talanta, 225, 121969. doi: 10.1016/j.talanta.2020.121969

Conference Contribution - Published proceedings: Abstract

Saint-Macary, A. D., Barr, N., Armstrong, E., Safi, K., Marriner, A., Gall, M., McComb, K., Dillingham, P. W., & Law, C. S. (2021). The influence of ocean acidification and warming on DSP & DMS in New Zealand coastal water. Proceedings of the 14th Annual New Zealand Ocean Acidification Conference: Ocean Acidification in a Decade of Ocean Science. (pp. 27). Retrieved from http://nzoac.nz/conferences

Chen, W.-H., Dillon, W. D. N., Armstrong, E. A., Moratti, S. C., & McGraw, C. M. (2021). Optical fiber pH sensor for marine microenvironments. Proceedings of the 14th Annual New Zealand Ocean Acidification Conference: Ocean Acidification in a Decade of Ocean Science. (pp. 23). Retrieved from http://nzoac.nz/conferences

2020

Journal - Research Article

Feng, Y., Roleda, M. Y., Armstrong, E., Summerfield, T. C., Law, C. S., Hurd, C. L., & Boyd, P. W. (2020). Effects of multiple drivers of ocean global change on the physiology and functional gene expression of the coccolithophore Emiliania huxleyi. Global Change Biology, 26, 5630-5645. doi: 10.1111/gcb.15259

Frew, R. D., Adu, T., Gault-Ringold, M., Hamidian, A., Currie, K. I., Armstrong, E., & Hunter, K. A. (2020). Strong seasonality in the cadmium and phosphate cycling at the subtropical convergence, south-eastern New Zealand. Marine & Freshwater Research, 71, 345-354. doi: 10.1071/MF19216

Journal - Research Other

Hunnestad, A. V., Vogel, A. I. M., Armstrong, E., Digernes, M. G., Ardelan, M. V., & Hohmann-Marriott, M. F. (2020). From the ocean to the lab: Assessing iron limitation in cyanobacteria: An interface paper. Microorganisms, 8, 1889. doi: 10.3390/microorganisms8121889

Conference Contribution - Published proceedings: Abstract

Beltran, C., Ohneiser, C., Moy, C., Riesselman, C., Kerr, G., Armstrong, E., & Frew, R. (2020). The University of Otago Organic Geochemistry Research Facility: A new Research Centre for Paleoenvironment and Paleoclimate studies focussed on the Southern Ocean and Antarctica. In K. N. Bassett, A. R. L. Nichols & C. H. Fenton (Eds.), Geoscience Society of New Zealand Miscellaneous Publication. 157A, (pp. 39). Wellington, New Zealand: Geoscience Society of New Zealand. [Abstract]

2019

Conference Contribution - Published proceedings: Abstract

Armstrong, E., & Law, C. (2019). Adaptation by a NZ coccolithophore to projected conditions in 2100. Proceedings of the 12th New Zealand Ocean Acidification Workshop. (pp. 16). Retrieved from http://nzoac.nz

2018

Journal - Research Article

Leal, P. P., Hurd, C. L., Sander, S. G., Armstrong, E., Fernández, P. A., Suhrhoff, T. J., & Roleda, M. Y. (2018). Copper pollution exacerbates the effects of ocean acidification and warming on kelp microscopic early life stages. Scientific Reports, 8, 14763. doi: 10.1038/s41598-018-32899-w

Feng, Y., Roleda, M. Y., Armstrong, E., Law, C. S., Boyd, P. W., & Hurd, C. L. (2018). Environmental controls on the elemental composition of a Southern Hemisphere strain of the coccolithophore Emiliania huxleyi. Biogeosciences, 15, 581-595. doi: 10.5194/bg-15-581-2018

2017

Journal - Research Article

Feng, Y., Roleda, M. Y., Armstrong, E., Boyd, P. W., & Hurd, C. L. (2017). Environmental controls on the growth, photosynthetic and calcification rates of a Southern Hemisphere strain of the coccolithophore Emiliania huxleyi. Limnology & Oceanography, 62(2), 519-540. doi: 10.1002/lno.10442

Conference Contribution - Published proceedings: Abstract

Armstrong, E., & Law, C. (2017). Adaptation by a NZ subantarctic coccolithophore. Proceedings of the 10th New Zealand Ocean Acidification Workshop. (pp. 12). Retrieved from http://www.otago.ac.nz/oceanacidification/news/index.html

2016

Journal - Research Article

Leal, P. P., Hurd, C. L., Sander, S. G., Armstrong, E., & Roleda, M. Y. (2016). Copper ecotoxicology of marine algae: A methodological appraisal. Chemistry & Ecology, 32(8), 786-800. doi: 10.1080/02757540.2016.1177520

Boyd, P. W., Dillingham, P. W., McGraw, C. M., Armstrong, E. A., Cornwall, C. E., Feng, Y.-y., Hurd, C. L., Gault-Ringold, M., Roleda, M. Y., … Nunn, B. L. (2016). Physiological responses of a Southern Ocean diatom to complex future ocean conditions. Nature Climate Change, 6, 207-213. doi: 10.1038/NCLIMATE2811

Conference Contribution - Published proceedings: Abstract

Leal, P., Hurd, C., Sanders, S., Armstrong, E., & Roleda, M. (2016). Copper impedes meiospore development of Macrocystis pyrifera and Undaria pinnatifida. Proceedings of the 22^nd Seaweed Symposium. Retrieved from https://www.iss-2016.org/ehome/iss2016/315864/

Boyd, P., Nunn, B. L., Timmins-Schiffman, E., Hurd, C. L., Armstrong, E., Dillingham, P., & McGraw, C. M. (2016). Physiological diagnosis of a Southern Ocean Diatom's responses to future complex ocean systems. Proceedings of the Ocean Sciences Meeting. AH51A-06. Retrieved from https://agu.confex.com/agu/os16/meetingapp.cgi

Boyd, P. W., Armstrong, E., Dillingham, P., McGraw, C., Cornwall, C., & Hurd, C. L. (2016). Physiological diagnosis of a Southern Ocean diatom's responses to future complex ocean conditions. Proceedings of the 4th International Symposium on the Ocean in a High-CO₂ World. Retrieved from http://www.highco2-iv.org/

Feng, Y., Roleda, M., Armstrong, E., Law, C., Boyd, P., & Hurd, C. (2016). Two-way and multiple-factorial effects of OA and other environmental drivers on the physiology and gene expression of marine coccolithophore Emiliania huxleyi. Proceedings of the 4th International Symposium on the Ocean in a High-CO₂ World. Retrieved from http://www.highco2-iv.org/

Leal, P. P., Hurd, C. L., Sander, S. G., Armstrong, E., Fernández, P. A., & Roleda, M. Y. (2016). Development of Macrocystis pyrifera and Undaria pinnatifida Meiospores under ocean warming, ocean acidification and copper pollution. Proceedings of the 4th International Symposium on the Ocean in a High-CO₂ World. Retrieved from http://www.highco2-iv.org/

Armstrong, E., & Law, C. S. (2016). Long term adaption by New Zealand phytoplankton to climate change. Proceedings of the 4th International Symposium on the Ocean in a High-CO₂ World. Retrieved from http://www.highco2-iv.org/

2015

Journal - Research Article

Adly, C. L., Tremblay, J.-E., Powell, R. T., Armstrong, E., Peers, G., & Price, N. M. (2015). Response of heterotrophic bacteria in a mesoscale iron enrichment in the northeast subarctic Pacific Ocean. Limnology & Oceanography, 60(1), 136-148. doi: 10.1002/lno.10013

Conference Contribution - Published proceedings: Abstract

Feng, Y., Roleda, M. Y., Boyd, P. W., Armstrong, E., & Hurd, C. L. (2015). Environmental controls on the growth, photosynthetic and calcification rates of coccolithophore Emiliania huxleyi strain NIWA 1108. European Journal of Phycology, 50(Suppl. 1), (pp. 193-194). doi: 10.1080/09670262.2015.1069493

Leal, P. P., Hurd, C. L., Sander, S. G., Armstrong, E., Fernández, P. A., & Roleda, M. Y. (2015). Effects of seawater pH temperature and copper exposure on the development of meiospores of the kelps Macrocystis pyrifera and Undaria pinnatifida (Laminariales, Ochrophyta). European Journal of Phycology, 50(Suppl. 1), (pp. 165-166). doi: 10.1080/09670262.2015.1069493

2013

Journal - Research Article

Boyd, P. W., Rynearson, T. A., Armstrong, E. A., Fu, F., Hayashi, K., Hu, Z., … Strzepek, R. F., … Thomas, M. K. (2013). Marine phytoplankton temperature versus growth responses from polar to tropical waters: Outcome of a scientific community-wide study. PLoS ONE, 8(5), e63091. doi: 10.1371/journal.pone.0063091

Conference Contribution - Published proceedings: Abstract

Armstrong, E., & Boyd, P. W. (2013). Environmental drivers of calcification in southern hemisphere Coccolithophores. Proceedings of the 6th New Zealand Ocean Acidification Workshop. (pp. 9). Retrieved from http://www.otago.ac.nz/oceanacidification/news/