Venetia Stuart, Ph.D

Venetia Stuart, IOCCG Executive Scientist

Phone: 902 426-3817
Email: vstuart@ioccg.org

Venetia is a marine biologist from Cape Town, South Africa, who spent many years doing research on food resource partitioning by kelp bed filter feeders as well as studying the bio-optical characteristics of phytoplankton. She joined the IOCCG in 1996 as the IOCCG Executive Scientist/Coordinator, and is also the series editor of the IOCCG Scientific Report series.

EDUCATION

Post-doctoral Fellow, 1993 – 1994, Dalhousie University, Halifax, Canada. Advisor, Prof. Ken Mann
Ph.D., University of Cape Town, South Africa. 1982.Thesis title: Studies on the Utilization of Kelp Detritus by the Ribbed Mussel Aulacomya ater. Advisor, Prof. John Field
B.Sc. (Hons.), University of Cape Town, South Africa, 1978
B.Sc. University of Cape Town, South Africa, 1977.

RESEARCH INTERESTS

Bio-optical characteristics of phytoplankton (HPLC pigment analysis, phytoplankton functional types)
Ecology of euphausiids and chaetognaths in the southern hemisphere
Microbial degradation of kelp detritus
Bivalve filter-feeding

PUBLICATIONS

Devred, E., Martin, J., Sathyendranath, S., Stuart, V. Horne, E. and Platt, T (2018). Development of a conceptual warning system for toxic levels of Alexandrium fundyense in the Bay of Fundy based on remote sensing data. Remote Sensing of Environment, 211:413-424. https://doi.org/10.1016/j.rse.2018.04.022

Stuart, V. (2017), Observing life near the ocean’s surface with satellites, Eos, 98, https://doi.org/10.1029/2017EO085631. Published on 30 October 2017.

Stuart, V., S. Bernard, and H. Dierssen (2016).New technology and teamwork to tackle ocean color radiometry, Eos, 97, https://eos.org/meeting-reports/new-technology-and-teamwork-to-tackle-ocean-color-radiometry

Stuart, V. (2014). Satellite ocean colour radiometry and the role of the International Ocean Colour Coordinating Group (IOCCG), pp. 163-168. In: Oceans and Society: Blue Planet, Djavidnia, S., Cheung, V., Ott, M. and Seeyave, S. (Eds.), Cambridge Scholars Publishing, UK. https://www.cambridgescholars.com/oceans-and-society

Budge, S.M., Trzcinski, K., Devred, E. Plat, T., Sathyendranath, S., Forget, M-H., Stuart, V. (2014) Estimating concentrations of essential omega-3 fatty acids in the ocean: Supply and demand. ICES Journal of Marine Science, doi:10.1093/icesjms/fsu003

Devred, E. Sathyendranath, S. Stuart, V., Platt, T. (2011) A three component classification of phytoplankton absorption spectra: Application to ocean-color data. Remote Sensing of Environment. 115: 2255–2266. https://doi.org/10.1016/j.rse.2011.04.025

Morales, J., Stuart, V., Platt, T and Sathyendranath, S. (2011). Handbook of Satellite Remote Sensing Image Interpretation: Applications to Marine Living Resources Conservation and Management. EU PRESPO and IOCCG. https://ioccg.org/what-we-do/ioccg-publications/eu-prespoioccg-handbook/

Stuart, V., Platt, T., Sathyendranath, S. (2011) The future of fisheries management: A remote sensing perspective. ICES Journal of Marine Science, 68(4): https://doi.org/10.1093/icesjms/fsq200

Stuart, V., Platt, T., Sathyendranath, S., Pravin, P. (2011). Remote sensing and fisheries – an introduction. ICES Journal of Marine Science, 68(4): https://doi.org/10.1093/icesjms/fsq193

Forget, M., Stuart, V., Forget, M. & Platt, T. (2010). Societal Applications in Fisheries and Aquaculture Using Remotely-Sensed Imagery – The SAFARI Project. In: Proceedings of OceanObs’09: Sustained Ocean Observations and Information for Society (Vol. 2), Venice, Italy, 21-25 September 2009, Hall, J., Harrison D.E. & Stammer, D. (Eds.), SA Publication WPP-306. http://www.oceanobs09.net/proceedings/cwp/cwp30/index.php

Mao, Z., Stuart, V., Pan, D., Chen, J., Gong, F., Huang, H., and Zhu, Q. (2010). Effects of phytoplankton species composition on absorption spectra and modeled hyperspectral reflectance. Ecological Informatics, https://doi.org/10.1016/j.ecoinf.2010.04.004

Yoder, J. Dowell, M., Hoepffner, N., Murakami, H. and Stuart, V. (2010). The Ocean Colour Radiance Virtual Constellation (OCR-VC). In: Proceedings of OceanObs’09: Sustained Ocean Observations and Information for Society (Vol. 2), Venice, Italy, 21-25 September 2009, Hall, J., Harrison D.E. & Stammer, D. (Eds.), ESA Publication WPP-306. http://www.oceanobs09.net/proceedings/cwp/cwp96/index.php

Forget, M.-H., Stuart, V. and Platt, T. (Eds.) (2009). Remote Sensing in Fisheries and Aquaculture. Reports of the International Ocean-Colour Coordinating Group, No. 8, IOCCG, Dartmouth, Canada. 120 p. https://ioccg.org/wp-content/uploads/2015/10/ioccg-report-08.pdf

Sathyendranath, S., Stuart, V., Nair, A., Oka, K., Nakane, T., Bouman, H., Forget, M.-H., Maass, H., and Platt, T. (2009). Carbon-to-chlorophyll ratio and growth rate of phytoplankton in the sea. Marine Ecology Progress Series, 383, 73-84. https://doi.org/10.3354/meps07998

Platt, T., Hoepffner, N., Stuart, V. and Brown, C. (Eds.) (2008). Why Ocean Colour? The Societal Benefits of Ocean- Colour Technology. Reports of the International Ocean-Colour Coordinating Group, No. 7, IOCCG, Dartmouth, Canada. 141 p. https://ioccg.org/wp-content/uploads/2015/10/ioccg-report-07.pdf

Nair, A.; Sathyendranath, S; Platt, T; Morales, J; Stuart, V.; Forget, M.-H; Devred, E.; Bouman, H. (2008). Remote sensing of phytoplankton functional types. Remote Sensing of Environment, 118(8), 3366-3375. https://doi.org/10.1016/j.rse.2008.01.021

Barlow, R.; Stuart, V.; Lutz, V; Sessions, H.; Sathyendranath, S; Kyewalyanga, M.S.; Clementson, L.; Fukasawa, M.; Watanabe, S.; Platt, T; Devred, E. (2007). Seasonal pigment patterns of surface phytoplankton in the subtropical southern hemisphere. Deep-Sea Research I, 54, 1687-1703. https://doi.org/10.1016/j.dsr.2007.06.010

Platt, T., Sathyendranath, S., and Stuart, V. (2007). Applications of remote sensing in fisheries and aquaculture. In: The Full Picture. GEO Secretariat, Tudor Rose, Geneva, pp. 253-255. http://digital.tudor-rose.co.uk/the-full-picture/files/assets/common/downloads/publication.pdf

Bouman, H., Ulloa, O., Scanlan, D., Zwirglmaier, K., Li, W. K. W., Platt, T., Stuart, V., Barlow, R., Leth, O., Clementson, L., Lutz, V., Fukasawa, M., Watanabe, S., and Sathyendranath, S. (2006). Oceanographic basis of the global surface distribution of Prochlorococcus ecotypes. Science 312: 918-921. https://doi.org/10.1126/science.1122692

Devred, E., Sathyendranath, S., Stuart, V., Maass, H., Ulloa, O., and Platt, T. (2006). A two-component model of phytoplankton absorption in the open ocean: Theory and applications. J. Geophys. Res. 111: https://doi.org/10.1029/2005JC002880, 2006.

Platt, T., Sathyendranath, S., and Stuart, V. (2006). Why study biological oceanography? Aquabiology, 28(5), 542-557.

Bouman, H., Platt, T., Sathyendranath, S., and Stuart, V. (2005). Dependence of light-saturated photosynthesis on temperature and community structure. Deep-Sea Research I, 52: 1284-1299 https://doi.org/10.1016/j.dsr.2005.01.008

Devred, E., Fuentes-Yaco, C., Sathyendranath, S., Caverhill, C., Maass, H., Stuart, V., and Platt, T. (2005). A semi-analytic, seasonal algorithm to retrieve chlorophyll-a concentration in the North West Atlantic from SeaWiFS data. Indian J. Mar. Sci. 34: 356-367. http://nopr.niscair.res.in/handle/123456789/1570

Sathyendranath, S., Stuart, V., Platt, T., Bouman, H., Ulloa, O., and Maass, H. (2005). Remote sensing of ocean colour: Towards algorithms for retrieval of pigment composition. Indian J. Mar. Sci. 34: 333-340. http://nopr.niscair.res.in/handle/123456789/1568

Stuart, V. and Head, E. (2005). The BIO method. In: The Second SeaWiFS HPLC Analysis Round-Robin Experiment (SeaHARRE-2), S. B. Hooker (ed.), NASA/TM 2005-212785, Greenbelt, Maryland, 112. https://oceancolor.gsfc.nasa.gov/fsg/hplc/SH2_TM2005_212785.pdf

Sathyendranath, S., Platt, T., Irwin, B., Horne, E., Borstad, G., Stuart, V., Payzant, L., Maass, H., Kepkay, P., Li, W. K. W., Spry, J., and Gower, J. (2004). A multispectral remote sensing study of coastal waters off Vancouver Island. Int. J. Remote Sensing. 25: 893-919. https://doi.org/10.1080/0143116031000139836

Stuart, V., Ulloa, O., Alarcón, G., Sathyendranath, S., Major, H., Head, E. J. H., and Platt, T. (2004). Bio-optical characteristics of phytoplankton populations in the upwelling system off the coast of Chile. Rev. Chilena Hist. Nat. 77: 87-105. http://dx.doi.org/10.4067/S0716-078X2004000100008

Bouman, H. A., Platt, T., Sathyendranath, S., Li, W. K. W., Stuart, V., Fuentes-Yaco, C., Maass, H., Horne, E. P. W., Ulloa, O., Lutz, V., and Kyewalyanga, M. (2003). Temperature as indicator of optical properties and community structure of marine phytoplankton: implications for remote sensing. Mar. Ecol. Prog. Ser. 258: 19-30. https://doi.org/10.3354/meps258019

Cota, G. F., Harrison, W. G., Platt, T., Sathyendranath, S., and Stuart, V. (2003). Bio-optical properties of the Labrador Sea. J. Geophys. Res. 108: 21-1–21-14. https://doi.org/10.1029/2000JC000597

Geider, R. J., Delucia, E. H., Falkowski, P. G., Finzi, A. C., Grime, J. P., Grace, J., Kana, T. M., La Roche, J., Long, S. P., Osborne, B. A., Platt, T., Prentice, I. C., Raven, J. A., Schlesinger, W. H., Smetacek, V., Stuart, V., Sathyendranath, S., Thomas, R. B., Vogelmann, T. C., Williams, P., and Woodward, F. I. (2001). Primary productivity of planet earth: biological determinants and physical constraints in terrestrial and aquatic habitats. Global Change Biology. 7: 849-882. https://doi.org/10.1046/j.1365-2486.2001.00448.x

Sathyendranath, S., Cota, G., Stuart, V., Maass, H., and Platt, T. (2001). Remote sensing of phytoplankton pigments: a comparison of empirical and theoretical approaches. Int. J. Remote Sensing. 22: 249-273. https://doi.org/10.1080/014311601449925 PDF file Sathyendranath et al. 2001

Cornall, J., and Stuart, V (2000). Colour my ocean. Equinox. 111: 40-45. https://ioccg.org/wp-content/uploads/2020/08/stuart-verheye-1991.pdf

Stuart, V., Sathyendranath, S., Head, E. J. H., Platt, T., Irwin, B., and Maass, H. (2000). Bio-optical characteristics of diatom and prymnesiophyte populations in the Labrador Sea. Mar. Ecol. Prog. Ser. 201: 91-106. https://www.int-res.com/articles/meps/201/m201p091.pdf

Sathyendranath, S., Platt, T., Stuart, V., Maass, H., and Cota, G. (1999). Remote sensing of phytoplankton biomass and primary production (in Japanese). Aquabiology. 21: 17-22.

Sathyendranath, S., Stuart, V., Irwin, B. D., Maass, H., Savidge, G., Gilpin, L., and Platt, T. (1999). Seasonal variations in bio-optical properties of phytoplankton in the Arabian Sea. Deep-Sea Res. 46: 633-654. https://doi.org/10.1016/S0967-0645(98)00121-0

Kyewalyanga, M. N., Platt, T., Sathyendranath, S., Lutz, V. A., and Stuart, V. (1998). Seasonal variations in physiological parameters of phytoplankton across the North Atlantic. J. Plankton Res. 20: 17-42. https://doi.org/10.1093/plankt/20.1.17

Stuart, V., Sathyendranath, S., Platt, T., Maass, H., and Irwin, B. D. (1998). Pigments and species composition of natural phytoplankton populations: Effect on the absorption spectra. J. Plankton Res. 20: 187-217. https://doi.org/10.1093/plankt/20.2.187

Sathyendranath, S., Cota, G. Stuart, V., Maass, H., and Platt, T. (1998). An ocean-colour model for the Labrador Sea and comparisons with empirical remote-sensing algorithms. In: Proceedings Ocean Optics XIV, S. G. Ackleson and J. Campbell (eds.), Office of Naval Research, Washington, DC,

Stuart, V., Sathyendranath, S., Platt, T., Head, E. J. H., Irwin, B., and Maass, H. (1998). Effects of species composition on phytoplankton absorption and photosynthesis in the Labrador Sea. In: Proceedings, Ocean Optics XIV, S. G. Ackleson and J. Campbell (eds.), Office of Naval Research, Washington, DC.

Stuart, V., Sathyendranath, S., Platt, T., Maass, H., and Irwin, B. (1997). Role of pigments and species composition in modifying the absorption spectra of natural phytoplankton populations. In: Ocean Optics XIII, S. G. Ackleson and R. Frouin (eds.), Proc. SPIE 2963, Bellingham, USA, 538-542.

Sathyendranath, S., Subba Rao, D. V., Chen, Z. Stuart, V., Platt, T., Bugden, G. L., Jones, W., and Vass, P. (1997). Aircraft remote sensing of toxic phytoplankton blooms: a case study from Cardigan River, Prince Edward Island. Can. J. Remote Sens. 23: 15-23. https://doi.org/10.1080/07038992.1997.10874674

Sathyendranath, S., Platt, T., Stuart, V., Irwin, B. D., Veldhuis, M. J. W., Kraay, G. W., and Harrison, W. G. (1996). Some bio-optical characteristics of phytoplankton in the N.W. Indian Ocean. Mar. Ecol. Prog. Ser. 132: 299-311. https://www.int-res.com/articles/meps/132/m132p299.pdf

Gibbons, M.J. and Stuart, V. (1994). Feeding and vertical migration of the chaetognath Sagitta friderici (Ritter-Zahony, 1911) in the southern Benguela during spring 1987, with notes on seasonal variability of feeding ecology. S. Afr. J. mar. Sci. 14: 361-372 https://doi.org/10.2989/025776194784286888

Stuart, V. and Huggett, J. (1992). Prey selection by Euphausia lucens (Hansen) and feeding behaviour in response to a mixed algal and animal diet. J. Exp. Mar. Biol. Ecol. 164: 117-133. https://doi.org/10.1016/0022-0981(92)90140-6

Stuart, V. (1992). Fecundity of Euphausia lucens – laboratory evidence of multiple broods. J. Exp. Mar. Biol. Ecol. 160: 221-228. https://doi.org/10.1016/0022-0981(92)90239-7

Pillar, S.C., Stuart, V., Barange, M. and Gibbons, M.J. (1992). Community structure and trophic ecology of euphausiids in the Benguela system. S. Afr. J. Mar. Sci. 12: 393-409. https://doi.org/10.2989/02577619209504714

Gibbons, M.J., Stuart, V. and Verheye, H.M. (1992). Trophic ecology of carnivorous zooplankton in the Benguela. S. Afr. J. Mar. Sci. 12: 421-437. https://doi.org/10.2989/02577619209504716

Cornew, S. Stuart, V and Beckley, L.E. (1992). Population structure, biomass and distribution of Nyctiphanes capensis (Euphausiacea) in the vicinity of Algoa Bay, South Africa. S. Afr. J. Zool. 27: 14 – 20. https://www.tandfonline.com/doi/pdf/10.1080/02541858.1992.11448255

Stuart, V. and Verheye, H.M. (1991). Diel migration and feeding patterns of the chaetognath Sagitta friderici off the west coast of South Africa. J. Mar. Res. 49: 493 – 515. https://ioccg.org/wp-content/uploads/2020/08/stuart-verheye-1991.pdf

Gibbons, M.J., Pillar, S.C. and Stuart, V. (1991). Selective carnivory by Euphausia lucens. Cont. Shelf Res. 11, 625 – 640. https://ioccg.org/wp-content/uploads/2020/08/stuart-verheye-1991.pdf

Barange,M. and Stuart, V. (1991). Distribution patterns, abundance and population dynamics of the euphausiids Nyctiphanes capensis and Euphausia hanseni in the northern Benguela upwelling system. Mar. Biol. 109; 93 – 101. https://link.springer.com/article/10.1007/BF01320235

Stuart, V. and Pillar, S.C. (1990). Diel grazing patterns of all ontogenetic stages of Euphausia lucens and in situ predation rates on copepods in the southern Benguela upwelling region. Mar. Ecol. Prog. Ser. 64: 227 – 241. https://www.int-res.com/articles/meps/64/m064p227.pdf

Davies, B.R., Stuart, V., and de Villiers, M. (1989). The filtration activity of a serpulid polychaete population (Ficopomatus enigmaticus (Fauvel) and its effects on water quality in a coastal marina. Estuarine, Coastal and Shelf Science, 29 (6), 613-620. https://doi.org/10.1016/0272-7714(89)90014-0

Stuart, V. (1989). Observations on the feeding of Euphausia lucens on natural phytoplankton suspensions in the southern Benguela upwelling region. Cont. Shelf Res.9: 1017-1028. https://doi.org/10.1016/0278-4343(89)90005-8

Stuart, V. and Pillar,S. (1988). Growth and production of Euphausia lucens in the southern Benguela current. J. Plank. Res. 10 : 1099 – 1112. https://www.jstor.org/stable/24844573

Pillar, S.C, and Stuart, V. (1988). Population structure, maintenance and reproductive biology of Euphausia lucens in the southern Benguela current. J. Plank. Res. 10 :1083 – 1098. https://doi.org/10.1093/plankt/10.6.1083

Stuart, V. and Nicol, S. (1986). The reproductive potential of three euphausiid species from the southern Benguela region. J. Exp. Mar. Biol. Ecol. 103: 267-274. https://doi.org/10.1016/0022-0981(86)90145-0

Stuart, V. (1986). Feeding and metabolism of Euphausia lucens (Euphausiacea) in the southern Benguela current. Mar. Ecol. Prog. Ser. 30: 117-125 http://www.int-res.com/articles/meps/30/m030p117.pdf

Stuart, V. Head, E.J.H. and Mann, K.H. (1985). Seasonal changes in the digestive enzyme levels of the amphipod Corophium volutator (Pallas) in relation to diet. J. Exp. Mar. Biol. Ecol. 88: 243-256. https://doi.org/10.1016/0022-0981(85)90233-3

Stuart, V. and Klumpp, D.W. (1984). Evidence for food resource partitioning by kelp bed filter feeders. Mar. Ecol. Prog. Ser. 16: 27-37 https://www.int-res.com/articles/meps/16/m016p027.pdf

Stuart, V. Newell, R.C. and Lucas, M.I. (1982). Conversion of kelp debris and faecal material from the mussel Aulacomya ater by marine microorganisms. Mar. Ecol. Prog. Ser. 7: 45-57. https://www.jstor.org/stable/24815163

Stuart, V. (1982). Limitations of ATP as a measure of microbial biomass. S. Afr. J. Zool. 17: 93-95. https://doi.org/10.1080/02541858.1982.11447787

Stuart, V. (1982). Absorbed ration, respiratory costs and resultant scope for growth in the mussel Aulacomya ater (Molina) fed on a diet of kelp detritus of different ages. Mar. Biol. Lett. 3: 289-306 https://ioccg.org/wp-content/uploads/2020/08/stuart-1982.pdf

Stuart, V. (1982) Studies on the utilisation of kelp detritus by the ribbed mussel Aulacomya ater (Molina). PhD Thesis, University of Cape Town, South Africa.

Stuart, V., Field, J.G. and Newell, R.C. (1982). Evidence for absorption of kelp detritus by the ribbed mussel Aulacomya ater using a new ⁵¹Cr – labelled microsphere technique. Mar. Ecol. Prog. Ser. 9: 263-271. http://www.int-res.com/articles/meps/9/m009p263.pdf

Stuart, V., Lucas, M.I. and Newell, R.C. (1981). Heterotrophic utilization of particulate matter from the kelp Laminaria pallida. Mar. Ecol. Prog. Ser. 4: 337-348. https://www.jstor.org/stable/24813227

Stuart, V. and Field, J.G. (1981). Respiration and ecological energetics of the sea urchin Parachinus angulosus. S. Afr. J. Zool. 16: 90-95. https://www.ajol.info/index.php/az/article/view/152250