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Faculty of Health and Life Sciences

Dr Kathryn Cook

Dr Kathryn Cook

Research Fellow


 Hatherly Annexe B, Room A


Hatherly Building, University of Exeter, Prince of Wales Road, Exeter, EX4 4PS, UK


I am a zooplankton biologist/pelagic biogeochemist investigating how zooplankton physiology and the structure of marine zooplankton communities relate to the functioning of the ecosystems within which they reside.


2002: PhD in Zooplankton Ecology, University of Wales, Swansea.
1996: MSc Applied Fish Biology, University of Plymouth.
1994: BSc (Hons) Biological Sciences, University of Plymouth.


2023 - present: Research Fellow, University of Exeter.
2023 - present: Visiting NOC Research Associate, National Oceanography Centre, Southampton.
2021 – present: Visiting Academic, University of Southampton.
2017 – 2023: Pelagic Biogeochemist, National Oceanography Centre, Southampton.
2002 – 2017: Plankton Biologist, Marine Scotland Science, Aberdeen.

Research group links

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Research projects

Current projects:

Ecologically and Economically Sustainable Mesopelagic Fisheries (MEESO)

Towards the Sustainable Development of the Atlantic Ocean (Mission Atlantic)

Improving understanding of the ocean carbon cycle (Ocean ICU)

Future global ocean Carbon storage: Quantifying warming impacts on zooplankton (C-QWIZ)

Biogeochemical processes and ecosystem function in changing polar systems and their global impacts (BIOPOLE)

Past projects:

Controls over Ocean Mesopelagic Interior Carbon Storage (COMICS)

Changing Arctic Ocean: Mechanistic understanding of the role of diatoms in the success of the Arctic Calanus complex and implications for a warmer Arctic (DIAPOD)

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Journal articles

Savineau EL-R, Cook KB, Blackbird SJ, Stowasser G, Kiriakoulakis K, Preece C, Fielding S, Belcher AC, Wolff GA, Tarling GA, et al (2024). Investigating the physiological ecology of mesopelagic zooplankton in the Scotia sea (Southern ocean) using lipid and stable isotope signatures. Deep Sea Research Part I Oceanographic Research Papers, 208
Cook KB, Belcher A, Juez DB, Stowasser G, Fielding S, Saunders RA, Elsafi MA, Wolff GA, Blackbird SJ, Tarling GA, et al (2023). Carbon budgets of Scotia Sea mesopelagic zooplankton and micronekton communities during austral spring. Deep Sea Research Part II: Topical Studies in Oceanography, 210, 105296-105296.
Cook KB, Abdulhussain AH, Bresnan E, Lacaze J-P, Mayor DJ (2023). The influence of the toxin-producing dinoflagellate, Alexandrium catenella, on feeding, reproduction and toxin retention in Calanus helgolandicus. Harmful Algae, 132
Mayor DJ, Cook KB, Thornton B, Atherden F, Tarling GA, Anderson TR (2022). Biomass Turnover Rates in Metabolically Active and Inactive Marine Calanoid Copepods. Frontiers in Marine Science, 9 Abstract.
Tarling GA, Freer JJ, Banas NS, Belcher A, Blackwell M, Castellani C, Cook KB, Cottier FR, Daase M, Johnson ML, et al (2022). Can a key boreal Calanus copepod species now complete its life-cycle in the Arctic? Evidence and implications for Arctic food-webs. Ambio, 51(2), 333-344. Abstract.
Tarling GA, Belcher A, Blackwell M, Castellani C, Cook KB, Cottier FR, Dewar-Fowler V, Freer JJ, Gerrish L, Johnson ML, et al (2022). Carbon and Lipid Contents of the Copepod Calanus finmarchicus Entering Diapause in the Fram Strait and Their Contribution to the Boreal and Arctic Lipid Pump. Frontiers in Marine Science, 9 Abstract.
Wells SR, Bresnan E, Cook K, Eerkes-Medrano D, Machairopoulou M, Mayor DJ, Rabe B, Wright PJ (2022). Environmental drivers of a decline in a coastal zooplankton community. ICES JOURNAL OF MARINE SCIENCE, 79(3), 844-854.  Author URL.
Jenkins HE, Atherden F, Cook KB, Anderson TR, Thornton B, Mitchell E, Jacob E, Mayor DJ (2022). Grazing, egg production and carbon budgets for Calanus finmarchicus across the Fram Strait. Frontiers in Marine Science, 9 Abstract.
Cook KB, Lacaze J-P, Machairopoulou M, Bresnan E (2022). Investigations into the relationship between domoic acid and copepods in Scottish waters. ICES JOURNAL OF MARINE SCIENCE, 79(3), 963-973.  Author URL.
Lindeque P, Hann I, Parry H, Cook K, Lindley A, Mayor D (2022). Red Pigmentation can be Used to Reliably Distinguish Between Live <i>Calanus finmarchicus</i> and <i>Calanus glacialis</i> Females in the Fram Strait. FRONTIERS IN MARINE SCIENCE, 9  Author URL.
Uriarte I, Villate F, Iriarte A, Fanjul A, Atkinson A, Cook K (2021). Opposite phenological responses of zooplankton to climate along a latitudinal gradient through the European Shelf. ICES JOURNAL OF MARINE SCIENCE, 78(3), 1090-1107.  Author URL.
Uriarte I, Villate F, Iriarte A, Fanjul A, Atkinson A, Cook K (2021). Opposite phenological responses of zooplankton to climate along a latitudinal gradient through the European Shelf (vol 78, pg 1090, 2021). ICES JOURNAL OF MARINE SCIENCE, 78(7), 2643-2643.  Author URL.
Abdulhussain AH, Cook KB, Turner AD, Lewis AM, Elsafi MA, Mayor DJ (2021). The Influence of the Toxin-Producing Dinoflagellate, <i>Alexandrium catenella</i> (1119/27), on the Survival and Reproduction of the Marine Copepod, <i>Acartia</i> <i>tonsa<sub>,</sub></i> During Prolonged Exposure. FRONTIERS IN MARINE SCIENCE, 8  Author URL.
Ostle C, Paxman K, Graves CA, Arnold M, Artigas LF, Atkinson A, Aubert A, Baptie M, Bear B, Bedford J, et al (2021). The Plankton Lifeform Extraction Tool: a digital tool to increase the discoverability and usability of plankton time-series data. EARTH SYSTEM SCIENCE DATA, 13(12), 5617-5642.  Author URL.
Mayor DJ, Cook KB, Anderson TR, Belcher A, Jenkins H, Lindeque P, Tarling GA, Pond D (2020). Marine Copepods, the Wildebeest of the Ocean. Frontiers for Young Minds, 8
Leon P, Bednarsek N, Walsham P, Cook K, Hartman SE, Wall-Palmer D, Hindson J, Mackenzie K, Webster L, Bresnan E, et al (2020). Relationship between shell integrity of pelagic gastropods and carbonate chemistry parameters at a Scottish Coastal Observatory monitoring site. ICES JOURNAL OF MARINE SCIENCE, 77(1), 436-450.  Author URL.
Belcher A, Cook K, Bondyale-Juez D, Stowasser G, Fielding S, Saunders RA, Mayor DJ, Tarling GA (2020). Respiration of mesopelagic fish: a comparison of respiratory electron transport system (ETS) measurements and allometrically calculated rates in the Southern Ocean and Benguela Current. ICES Journal of Marine Science, 77(5), 1672-1684. Abstract.
Abdulhussain AH, Cook KB, Turner AD, Lewis AM, Elsafi MA, Mayor DJ (2020). The Influence of the Toxin Producing Dinoflagellate, Alexandrium catenella (1119/27), on the Feeding and Survival of the Marine Copepod, Acartia tonsa. Harmful Algae, 98 Abstract.  Author URL.
Fanjul A, Iriarte A, Villate F, Uriarte I, Artiach M, Atkinson A, Cook K (2019). Latitude, distance offshore and local environmental features as modulators of zooplankton assemblages across the NE Atlantic Shelves Province. JOURNAL OF PLANKTON RESEARCH, 41(3), 293-308.  Author URL.
McQuatters-Gollop A, Atkinson A, Aubert A, Bedford J, Best M, Bresnan E, Cook K, Devlin M, Gowen R, Johns DG, et al (2019). Plankton lifeforms as a biodiversity indicator for regional-scale assessment of pelagic habitats for policy. ECOLOGICAL INDICATORS, 101, 913-925.  Author URL.
Giering SLC, Wells SR, Mayers KMJ, Schuster H, Cornwell L, Fileman ES, Atkinson A, Cook KB, Preece C, Mayor DJ, et al (2019). Seasonal variation of zooplankton community structure and trophic position in the Celtic Sea: a stable isotope and biovolume spectrum approach. PROGRESS IN OCEANOGRAPHY, 177  Author URL.
Fanjul A, Iriarte A, Villate F, Uriarte I, Atkinson A, Cook K (2018). Zooplankton seasonality across a latitudinal gradient in the Northeast Atlantic Shelves Province. CONTINENTAL SHELF RESEARCH, 160, 49-62.  Author URL.
Eerkes-Medrano D, Fryer RJ, Cook KB, Wright PJ (2017). Are simple environmental indicators of food web dynamics reliable: Exploring the kittiwake-temperature relationship. ECOLOGICAL INDICATORS, 75, 36-47.  Author URL.
Blackett M, Lucas CH, Cook K, Licandro P (2017). Occurrence of the siphonophore Muggiaea atlantica in Scottish coastal waters: source or sink?. J Plankton Res, 39(1), 122-137. Abstract.  Author URL.
Fanjul A, Villate F, Uriarte I, Iriarte A, Atkinson A, Cook K (2017). Zooplankton variability at four monitoring sites of the Northeast Atlantic Shelves differing in latitude and trophic status. JOURNAL OF PLANKTON RESEARCH, 39(6), 891-909.  Author URL.
Baptie MC, Foster RJ, Cook KB (2016). First record of the copepod <i>Eurytemora herdmani</i> in the Firth of Forth, Scotland. MARINE BIODIVERSITY, 46(4), 819-825.  Author URL.
Bresnan E, Cook KB, Hughes SL, Hay SJ, Smith K, Walsham P, Webster L (2015). Seasonality of the plankton community at an east and west coast monitoring site in Scottish waters. JOURNAL OF SEA RESEARCH, 105, 16-29.  Author URL.
Mayor DJ, Sommer U, Cook KB, Viant MR (2015). The metabolic response of marine copepods to environmental warming and ocean acidification in the absence of food. Sci Rep, 5 Abstract.  Author URL.
Giering SLC, Sanders R, Lampitt RS, Anderson TR, Tamburini C, Boutrif M, Zubkov MV, Marsay CM, Henson SA, Saw K, et al (2014). Reconciliation of the carbon budget in the ocean's twilight zone. Nature, 507(7493), 480-483. Abstract.  Author URL.
Mayor DJ, Everett NR, Cook KB (2012). End of century ocean warming and acidification effects on reproductive success in a temperate marine copepod. JOURNAL OF PLANKTON RESEARCH, 34(3), 258-262.  Author URL.
Mayor DJ, Cook K, Thornton B, Walsham P, Witte UFM, Zuur AF, Anderson TR (2011). Absorption efficiencies and basal turnover of C, N and fatty acids in a marine Calanoid copepod. FUNCTIONAL ECOLOGY, 25(3), 509-518.  Author URL.
Heath MR, Rasmussen J, Ahmed Y, Allen J, Anderson CIH, Brierley AS, Brown L, Bunker A, Cook K, Davidson R, et al (2008). Spatial demography of <i>Calanus finmarchicus</i> in the Irminger Sea. PROGRESS IN OCEANOGRAPHY, 76(1), 39-88.  Author URL.
Mayor DJ, Matthews C, Cook K, Zuur AF, Hay S (2007). CO<sub>2</sub>-induced acidification affects hatching success in <i>Calanus finmarchicus</i>. MARINE ECOLOGY PROGRESS SERIES, 350, 91-97.  Author URL.
Cook KB, Bunker A, Hay S, Hirst AG, Speirs DC (2007). Naupliar development times and survival of the copepods <i>Calanus helgolandicus</i> and <i>Calanus finmarchicus</i> in relation to food and temperature. JOURNAL OF PLANKTON RESEARCH, 29(9), 757-767.  Author URL.
Bonnet D, Richardson A, Harris R, Hirst A, Beaugrand G, Edwards M, Ceballos S, Diekman R, López-Urrutia A, Valdes L, et al (2005). An overview of <i>Calanus helgolandicus</i> ecology in European waters. PROGRESS IN OCEANOGRAPHY, 65(1), 1-53.  Author URL.
Cook KB, Hays GC (2001). Comparison of the epipelagic zooplankton samples from a U-Tow and the traditional WP2 net. Journal of Plankton Research, 23(9), 953-962. Abstract.


Mayor DJ, Sommer U, Cook KB, Viant MR (2022). Chapter 11 the metabolic response of marine copepods (Calanus spp.) to food deprivation, end-of-century ocean acidification, and global warming scenarios☆. In  (Ed) Applied Environmental Metabolomics, Elsevier, 153-166.

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