People

Professor Richard Geider

Professor
School of Biological Sciences
Professor Richard Geider
  • Email

  • Telephone

    +44 (0) 1206 873312

  • Location

    3SW.4.16, Colchester Campus

  • Academic support hours

    by appointment

Profile

Biography

1999+: Professor, Department of Biological Sciences, University of Essex 1995-1999: Fellow: Marine Biological Association of the United Kingdom, The Laboratory, Citadel Hill, Plymouth PL1 2PB 1988-1995: Assistant Professor/Associate Professor: College of Marine Studies, University of Delaware, Lewes, Delaware 19958-1298, USA 1985-1988: Post-Doctoral Research Associate, Department of Plant Biology, University of Birmingham, Birmingham, England 1984-1985: Post-Doctoral Research Assistant, Department of Biological Sciences, University of Dundee, Dundee, Scotland Research Students:Mr James Fox,Mr William Passfield

Qualifications

  • 1977: BA in Environmental Science, State University of New York, Purchase, New York

  • 1984: PhD in Biological Oceanography, Dalhousie University, Halifax, Nova Scotia, Canada

Research and professional activities

Research interests

Adaptation, acclimation and regulation of algal photosynthesis

Open to supervise

Quantitative phytoplankton (microalgal) growth models

Open to supervise

Growth & photosynthesis in microalgae and cyanoibacteria

Open to supervise

Photosynthesis & calcification in coccolithophores

Open to supervise

Biophysical measurements of primary productivity

Open to supervise

Nutrient limitation (N, P, Fe) of primary productivity and nitrogen fixation

Open to supervise

Current research

Phytoplankton ecophysiology.

Adaptation, acclimation and regulation of phytoplankton including the development of quantitative phytoplankton growth models, experimental studies of photosynthesis, calcification and nitrogen fixation in cyanobacteria and algae, and oceanographic research involving both surveys and process studies. Coastal and open ocean primary production including nutrient limitation (N, P, Fe) of primary productivity and nitrogen fixation, and biophysical assessment of primary productivit

Teaching and supervision

Current teaching responsibilities

  • Freshwater Ecology (BS352)

  • Research Project: MSc Tropical Marine Biology (BS782)

  • Research Project in Ecological and Marine Sciences (BS832)

  • Tropical Marine Systems (BS706)

Previous supervision

James Edward Fox
James Edward Fox
Thesis title: Utilising Chlorophyll Fluorescence to Assess the Variability of Phytoplankton Abundance and Productivity in the North-West European Shelf Seas
Degree subject: Marine Biology
Degree type: Doctor of Philosophy
Awarded date: 7/3/2018
Narin Chansawang
Narin Chansawang
Thesis title: The Effects of Growth Conditions on the Elemental and Biochemical Composition of the Diatom Thalassiosira WeissflogII and the Haptophyte Emiliania Huxleyi
Degree subject: Biological Sciences
Degree type: Doctor of Philosophy
Awarded date: 4/1/2016
Tobias Gabriel Boatman
Tobias Gabriel Boatman
Thesis title: Trichodesmium Ims101 Growth and Photosynthesis in a Changing Ocean: Implications for Productivity and Global Distributions
Degree subject: Marine Biology
Degree type: Doctor of Philosophy
Awarded date: 4/6/2015
David Talmy
David Talmy
Thesis title: A Theoretical Investigation of Phytoplankton Resource Allocation, Growth and Photosynthesis in Variable Light Environments
Degree subject: Environmental Sciences
Degree type: Doctor of Philosophy
Awarded date: 5/12/2013
Stewart James Finch
Stewart James Finch
Thesis title: Physiological Regulation of Photosynthesis and Oxygen Consumption in the Coccolithophorid Emiliania Huxleyi to Light, Nutrients and Carbon Dioxide
Degree subject: Marine Biology
Degree type: Doctor of Philosophy
Awarded date: 29/4/2013

Publications

Journal articles (122)

Boatman, TG., Geider, RJ. and Oxborough, K., Improving the Accuracy of Single Turnover Active Fluorometry (STAF) for the Estimation of Phytoplankton Primary Productivity (PhytoPP). Frontiers in Marine Science. 6

Boatman, TG., Davey, PA., Lawson, T. and Geider, RJ., (2019). CO2 modulation of the rates of photosynthesis and light-dependent O2 consumption in Trichodesmium. Journal of Experimental Botany. 70 (2), 589-597

Archer, SD., Stefels, J., Airs, RL., Lawson, T., Smyth, TJ., Rees, AP. and Geider, RJ., (2018). Limitation of dimethylsulfoniopropionate synthesis at high irradiance in natural phytoplankton communities of the Tropical Atlantic. Limnology and Oceanography. 63 (1), 227-242

Boatman, TG., Oxborough, K., Gledhill, M., Lawson, T. and Geider, RJ., (2018). An integrated response of Trichodesmium erythraeum IMS101 growth and photo-physiology to Iron, CO₂, and light intensity. Frontiers in Microbiology. 9 (APR), 624-

Boatman, TG., Mangan, NM., Lawson, T. and Geider, RJ., (2018). Inorganic carbon and pH dependency of Trichodesmium's photosynthetic rates.. Journal of Experimental Botany. 69 (15), 3651-3660

Boatman, TG., Davey, PA., Lawson, T. and Geider, RJ., (2018). The physiological cost of diazotrophy for Trichodesmium erythraeum IMS101. PLoS ONE. 13 (4), e0195638-e0195638

Boatman, TG., Lawson, T. and Geider, RJ., (2017). A Key Marine Diazotroph in a Changing Ocean: The Interacting Effects of Temperature, CO2 and Light on the Growth of Trichodesmium erythraeum IMS101. PLOS ONE. 12 (1), e0168796-e0168796

Low-Décarie, E., Boatman, TG., Bennett, N., Passfield, W., Gavalás-Olea, A., Siegel, P. and Geider, RJ., (2017). Predictions of response to temperature are contingent on model choice and data quality. Ecology and Evolution. 7 (23), 10467-10481

Le Quéré, C., Buitenhuis, ET., Moriarty, R., Alvain, S., Aumont, O., Bopp, L., Chollet, S., Enright, C., Franklin, DJ., Geider, RJ., Harrison, SP., Hirst, AG., Larsen, S., Legendre, L., Platt, T., Prentice, IC., Rivkin, RB., Sailley, S., Sathyendranath, S., Stephens, N., Vogt, M. and Vallina, SM., (2016). Role of zooplankton dynamics for Southern Ocean phytoplankton biomass and global biogeochemical cycles. Biogeosciences. 13 (14), 4111-4133

McKew, BA., Metodieva, G., Raines, CA., Metodiev, MV. and Geider, RJ., (2015). Acclimation of E miliania huxleyi (1516) to nutrient limitation involves precise modification of the proteome to scavenge alternative sources of N and P. Environmental Microbiology. 17 (10), 4050-4062

Mock, T., Daines, SJ., Geider, RJ., Collins, S., Metodiev, M., Millar, AJ., Moulton, V. and Lenton, TM., (2015). Bridging the gap between omics and earth system science to better understand how environmental change impacts marine microbes. Global Change Biology. 22 (1), 61-75

Snow, JT., Polyviou, D., Skipp, P., Chrismas, NAM., Hitchcock, A., Geider, RJ., Moore, CM. and Bibby, TS., (2015). Quantifying Integrated Proteomic Responses to Iron Stress in the Globally Important Marine Diazotroph Trichodesmium. PLoS ONE. 10 (11), e0142626-e0142626

Talmy, D., Blackford, J., Hardman-Mountford, NJ., Polimene, L., Follows, MJ. and Geider, RJ., (2014). Flexible C : N ratio enhances metabolism of large phytoplankton when resource supply is intermittent. Biogeosciences. 11 (17), 4881-4895

McKew, BA., Davey, P., Finch, SJ., Hopkins, J., Lefebvre, SC., Metodiev, MV., Oxborough, K., Raines, CA., Lawson, T. and Geider, RJ., (2013). The trade-off between the light-harvesting and photoprotective functions of fucoxanthin-chlorophyll proteins dominates light acclimation inEmiliania huxleyi(clone CCMP 1516). New Phytologist. 200 (1), 74-85

Moore, CM., Mills, MM., Arrigo, KR., Berman-Frank, I., Bopp, L., Boyd, PW., Galbraith, ED., Geider, RJ., Guieu, C., Jaccard, SL., Jickells, TD., La Roche, J., Lenton, TM., Mahowald, NM., Marañón, E., Marinov, I., Moore, JK., Nakatsuka, T., Oschlies, A., Saito, MA., Thingstad, TF., Tsuda, A. and Ulloa, O., (2013). Processes and patterns of oceanic nutrient limitation. Nature Geoscience. 6 (9), 701-710

Talmy, D., Blackford, J., Hardman-Mountford, NJ., Dumbrell, AJ. and Geider, RJ., (2013). An optimality model of photoadaptation in contrasting aquatic light regimes. Limnology and Oceanography. 58 (5), 1802-1818

Lawrenz, E., Silsbe, G., Capuzzo, E., Ylöstalo, P., Forster, RM., Simis, SGH., Prášil, O., Kromkamp, JC., Hickman, AE., Moore, CM., Forget, M-H., Geider, RJ. and Suggett, DJ., (2013). Predicting the Electron Requirement for Carbon Fixation in Seas and Oceans. PLoS ONE. 8 (3), e58137-e58137

Tett, P., Gowen, RJ., Painting, SJ., Elliott, M., Forster, R., Mills, DK., Bresnan, E., Capuzzo, E., Fernandes, TF., Foden, J., Geider, RJ., Gilpin, LC., Huxham, M., McQuatters-Gollop, AL., Malcolm, SJ., Saux-Picart, S., Platt, T., Racault, MF., Sathyendranath, S., van der Molen, J. and Wilkinson, M., (2013). Framework for understanding marine ecosystem health. Marine Ecology Progress Series. 494, 1-27

Mckew, BA., Lefebvre, SC., Achterberg, EP., Metodieva, G., Raines, CA., Metodiev, MV. and Geider, RJ., (2013). Plasticity in the proteome of Emiliania huxleyi CCMP 1516 to extremes of light is highly targeted. New Phytologist. 200 (1), 61-73

Oxborough, K., Moore, CM., Suggett, DJ., Lawson, T., Chan, HG. and Geider, RJ., (2012). Direct estimation of functional PSII reaction center concentration and PSII electron flux on a volume basis: a new approach to the analysis of Fast Repetition Rate fluorometry (FRRf) data. Limnology and Oceanography: Methods. 10 (3), 142-154

Ross, ON., Geider, RJ. and Piera, J., (2011). Modelling the effect of vertical mixing on bottle incubations for determining in situ phytoplankton dynamics. II. Primary production. Marine Ecology Progress Series. 435, 33-45

Ross, ON., Geider, RJ., Berdalet, E., Artigas, ML. and Piera, J., (2011). Modelling the effect of vertical mixing on bottle incubations for determining in situ phytoplankton dynamics. I. Growth rates. Marine Ecology Progress Series. 435, 13-31

Archer, SD., Ragni, M., Webster, R., Airs, RL. and Geider, RJ., (2010). Dimethyl sulfoniopropionate and dimethyl sulfide production in response to photoinhibition inEmiliania huxleyi. Limnology and Oceanography. 55 (4), 1579-1589

Buitenhuis, ET. and Geider, RJ., (2010). A model of phytoplankton acclimation to iron-light colimitation. Limnology and Oceanography. 55 (2), 714-724

Lefebvre, SC., Harris, G., Webster, R., Leonardos, N., Geider, RJ., Raines, CA., Read, BA. and Garrido, JL., (2010). CHARACTERIZATION AND EXPRESSION ANALYSIS OF THE Lhcf GENE FAMILY IN EMILIANIA HUXLEYI (HAPTOPHYTA) REVEALS DIFFERENTIAL RESPONSES TO LIGHT AND CO21. Journal of Phycology. 46 (1), 123-134

Ragni, M., Airs, RL., Hennige, SJ., Suggett, DJ., Warner, ME. and Geider, RJ., (2010). PSII photoinhibition and photorepair in Symbiodinium (Pyrrhophyta) differs between thermally tolerant and sensitive phylotypes. Marine Ecology Progress Series. 406, 57-70

McLachlan, DH., Brownlee, C., Taylor, AR., Geider, RJ. and Underwood, GJC., (2009). LIGHT-INDUCED MOTILE RESPONSES OF THE ESTUARINE BENTHIC DIATOMSNAVICULA PERMINUTAANDCYLINDROTHECA CLOSTERIUM(BACILLARIOPHYCEAE). Journal of Phycology. 45 (3), 592-599

Geider, RJ., Moore, CM. and Ross, ON., (2009). The role of cost–benefit analysis in models of phytoplankton growth and acclimation. Plant Ecology and Diversity. 2 (2), 165-178

Harris, GN., Scanlan, DJ. and Geider, RJ., (2009). Responses ofEmiliania huxleyi(Prymnesiophyceae) to step changes in photon flux density. European Journal of Phycology. 44 (1), 31-48

Suggett, DJ., Moore, CM., Hickman, AE. and Geider, RJ., (2009). Interpretation of fast repetition rate (FRR) fluorescence: signatures of phytoplankton community structure versus physiological state. Marine Ecology Progress Series. 376, 1-19

Mark Moore, C., Mills, MM., Achterberg, EP., Geider, RJ., LaRoche, J., Lucas, MI., McDonagh, EL., Pan, X., Poulton, AJ., Rijkenberg, MJA., Suggett, DJ., Ussher, SJ. and Woodward, EMS., (2009). Large-scale distribution of Atlantic nitrogen fixation controlled by iron availability. Nature Geoscience. 2 (12), 867-871

Dimier, C., Brunet, C., Geider, RJ. and Raven, J., (2009). Growth and photoregulation dynamics of the picoeukaryote Pelagomonas calceolata in fluctuating light. Limnology and Oceanography. 54 (3), 823-836

Ross, ON. and Geider, RJ., (2009). New cell-based model of photosynthesis and photo-acclimation: accumulation and mobilisation of energy reserves in phytoplankton. Marine Ecology Progress Series. 383, 53-71

Davey, M., Tarran, GA., Mills, MM., Ridame, C., Geider, RJ. and LaRoche, J., (2008). Nutrient limitation of picophytoplankton photosynthesis and growth in the tropical North Atlantic. Limnology and Oceanography. 53 (5), 1722-1733

Ross, ON., Moore, CM., Suggett, DJ., MacIntyre, HL. and Geider, RJ., (2008). A model of photosynthesis and photo-protection based on reaction center damage and repair. Limnology and Oceanography. 53 (5), 1835-1852

Ragni, M., Airs, RL., Leonardos, N. and Geider, RJ., (2008). PHOTOINHIBITION OF PSII INEMILIANIA HUXLEYI(HAPTOPHYTA) UNDER HIGH LIGHT STRESS: THE ROLES OF PHOTOACCLIMATION, PHOTOPROTECTION, AND PHOTOREPAIR. Journal of Phycology. 44 (3), 670-683

Duce, RA., LaRoche, J., Altieri, K., Arrigo, KR., Baker, AR., Capone, DG., Cornell, S., Dentener, F., Galloway, J., Ganeshram, RS., Geider, RJ., Jickells, T., Kuypers, MM., Langlois, R., Liss, PS., Liu, SM., Middelburg, JJ., Moore, CM., Nickovic, S., Oschlies, A., Pedersen, T., Prospero, J., Schlitzer, R., Seitzinger, S., Sorensen, LL., Uematsu, M., Ulloa, O., Voss, M., Ward, B. and Zamora, L., (2008). Impacts of Atmospheric Anthropogenic Nitrogen on the Open Ocean. Science. 320 (5878), 893-897

Mills, MM., Moore, CM., Langlois, R., Milne, A., Achterberg, E., Nachtigall, K., Lochte, K., Geider, RJ. and J. La, R., (2008). Nitrogen and phosphorus co-limitation of bacterial productivity and growth in the oligotrophic subtropical North Atlantic. Limnology and Oceanography. 53 (2), 824-834

Moore, CM., Mills, MM., Langlois, R., Milne, A., Achterberg, EP., La Roche, J. and Geider, RJ., (2008). Relative influence of nitrogen and phosphorous availability on phytoplankton physiology and productivity in the oligotrophic sub-tropical North Atlantic Ocean. Limnology and Oceanography. 53 (1), 291-305

Ragni, M., Airs, RL., Leonardos, N. and Geider, RJ., (2008). Photoinhibition of psii in emiliania huxleyi (haptophyta) under high light stress: the roles of photoacclimation, photoprotection, and photorepair. Journal of phycology. 44 (3), 670-683

Suggett, DJ., Le Floc’H, E., Harris, GN., Leonardos, N. and Geider, RJ., (2007). Different strategies of photoacclimation by two strains ofEmiliania huxleyi(Haptophyta)1. Journal of Phycology. 43 (6), 1209-1222

Suggett, DJ., Maberly, SC. and Geider, RJ., (2006). Gross photosynthesis and lake community metabolism during the spring phytoplankton bloom. Limnology and Oceanography. 51 (5), 2064-2076

MOORE, CMARK., MILLS, MATTHEWM., MILNE, ANGELA., LANGLOIS, REBECCA., ACHTERBERG, ERICP., LOCHTE, KARIN., GEIDER, RICHARDJ. and LA ROCHE, JULIE., (2006). Iron limits primary productivity during spring bloom development in the central North Atlantic. Global Change Biology. 12 (4), 626-634

Moore, CM., Suggett, DJ., Hickman, AE., Kim, Y-N., Tweddle, JF., Sharples, J., Geider, RJ. and Holligan, PM., (2006). Phytoplankton photoacclimation and photoadaptation in response to environmental gradients in a shelf sea. Limnology and Oceanography. 51 (2), 936-949

Mills, MM., Ridame, C., Davey, M., La Roche, J. and Geider, RJ., (2005). Erratum: Iron and phosphorus co-limit nitrogen fixation in the eastern tropical North Atlantic. Nature. 435 (7039), 232-232

Leonardos, N. and Geider, RJ., (2005). ELEVATED ATMOSPHERIC CARBON DIOXIDE INCREASES ORGANIC CARBON FIXATION BY EMILIANIA HUXLEYI (HAPTOPHYTA), UNDER NUTRIENT-LIMITED HIGH-LIGHT CONDITIONS1. Journal of Phycology. 41 (6), 1196-1203

Harris, GN., Scanlan, DJ. and Geider, RJ., (2005). ACCLIMATION OF EMILIANIA HUXLEYI (PRYMNESIOPHYCEAE) TO PHOTON FLUX DENSITY1. Journal of Phycology. 41 (4), 851-862

Leonardos, N. and Geider, RJ., (2005). ELEMENTAL AND BIOCHEMICAL COMPOSITION OF RHINOMONAS RETICULATA (CRYPTOPHYTA) IN RELATION TO LIGHT AND NITRATE-TO-PHOSPHATE SUPPLY RATIOS1. Journal of Phycology. 41 (3), 567-576

Quere, CL., Harrison, SP., Colin Prentice, I., Buitenhuis, ET., Aumont, O., Bopp, L., Claustre, H., Cotrim Da Cunha, L., Geider, R., Giraud, X., Klaas, C., Kohfeld, KE., Legendre, L., Manizza, M., Platt, T., Rivkin, RB., Sathyendranath, S., Uitz, J., Watson, AJ. and Wolf-Gladrow, D., (2005). Ecosystem dynamics based on plankton functional types for global ocean biogeochemistry models. Global Change Biology. 0 (0), 051013014052005-???

Le Quere, C., Harrison, SP., Prentice, IC., Buitenhuis, ET., Aumont, O., Bopp, L., Claustre, H., Da Cunha, LC., Geider, R., Giraud, X., Klaas, C., Kohfeld, KE., Legendre, L., Manizza, M., Platt, T., Rivkin, RB., Sathyendranath, S., Uitz, J., Watson, AJ. and Wolf-Gladrow, D., (2005). Ecosystem dynamics based on plankton functional types for global ocean biogeochemistry models. GLOBAL CHANGE BIOLOGY. 11 (11), 2016-2040

Leonardos, N. and Geider, RJ., (2004). Responses of elemental and biochemical composition of Chaetoceros muelleri to growth under varying light and nitrate : phosphate supply ratios and their influence on critical N: P. Limnology and Oceanography. 49 (6), 2105-2114

Smyth, TJ., (2004). A methodology to determine primary production and phytoplankton photosynthetic parameters from Fast Repetition Rate Fluorometry. Journal of Plankton Research. 26 (11), 1337-1350

Suggett, DJ., MacIntyre, HL. and Geider, RJ., (2004). Evaluation of biophysical and optical determinations of light absorption by photosystem II in phytoplankton. Limnology and Oceanography: Methods. 2 (10), 316-332

Mills, MM., Ridame, C., Davey, M., La Roche, J. and Geider, RJ., (2004). Iron and phosphorus co-limit nitrogen fixation in the eastern tropical North Atlantic. Nature. 429 (6989), 292-294

Leonardos, N. and Geider, RJ., (2004). Effects of nitrate : phosphate supply ratio and irradiance on the C : N : P stoichiometry ofChaetoceros muelleri. European Journal of Phycology. 39 (2), 173-180

Davey, MS., Suggett, DJ., Geider, RJ. and Taylor, AR., (2003). PHYTOPLANKTON PLASMA MEMBRANE REDOX ACTIVITY: EFFECT OF IRON LIMITATION AND INTERACTION WITH PHOTOSYNTHESIS1. Journal of Phycology. 39 (6), 1132-1144

Suggett, DJ., Oxborough, K., Baker, NR., MacIntyre, HL., Kana, TM. and Geider, RJ., (2003). Fast repetition rate and pulse amplitude modulation chlorophyllafluorescence measurements for assessment of photosynthetic electron transport in marine phytoplankton. European Journal of Phycology. 38 (4), 371-384

Lefèvre, N., Taylor, AH., Gilbert, FJ. and Geider, RJ., (2003). Modeling carbon to nitrogen and carbon to chlorophyllaratios in the ocean at low latitudes: Evaluation of the role of physiological plasticity. Limnology and Oceanography. 48 (5), 1796-1807

Geider, R. and La Roche, J., (2002). Redfield revisited: variability of C:N:P in marine microalgae and its biochemical basis. European Journal of Phycology. 37 (1), 1-17

MacIntyre, HL., Kana, TM., Anning, T. and Geider, RJ., (2002). PHOTOACCLIMATION OF PHOTOSYNTHESIS IRRADIANCE RESPONSE CURVES AND PHOTOSYNTHETIC PIGMENTS IN MICROALGAE AND CYANOBACTERIA1. Journal of Phycology. 38 (1), 17-38

Geider, RJ., Delucia, EH., Falkowski, PG., Finzi, AC., Grime, JP., Grace, J., Kana, TM., La Roche, J., Long, SP., Osborne, BA., Platt, T., Prentice, IC., Raven, JA., Schlesinger, WH., Smetacek, V., Stuart, V., Sathyendranath, S., Thomas, RB., Vogelmann, TC., Williams, P. and Woodward, FI., (2001). Primary productivity of planet earth: biological determinants and physical constraints in terrestrial and aquatic habitats. Global Change Biology. 7 (8), 849-882

Davey, M. and Geider, RJ., (2001). IMPACT OF IRON LIMITATION ON THE PHOTOSYNTHETIC APPARATUS OF THE DIATOM CHAETOCEROS MUELLERI (BACILLARIOPHYCEAE). Journal of Phycology. 37 (6), 987-1000

Flynn, KJ., Marshall, H. and Geider, RJ., (2001). A comparison of two N-irradiance interaction models of phytoplankton growth. Limnology and Oceanography. 46 (7), 1794-1802

Anning, T., Harris, G. and Geider, R., (2001). Thermal acclimation in the marine diatomChaetoceros calcitrans(Bacillariophyceae). European Journal of Phycology. 36 (3), 233-241

Timmermans, KR., Davey, MS., van der Wagt, B., Snoek, J., Geider, RJ., Veldhuis, MJW., Gerringa, LJA. and de Baar, HJW., (2001). Co-limitation by iron and light of Chaetoceros brevis, C. dichaeta and C. calcitrans (Bacillariophyceae). Marine Ecology Progress Series. 217, 287-297

Lefèvre, N., Taylor, AH. and Geider, RJ., (2001). Phytoplankton physiology can affect ocean surface temperatures. Geophysical Research Letters. 28 (7), 1251-1254

Suggett, D., Kraay, G., Holligan, P., Davey, M., Aiken, J. and Geider, R., (2001). Assessment of photosynthesis in a spring cyanobacterial bloom by use of a fast repetition rate fluorometer. Limnology and Oceanography. 46 (4), 802-810

Anning, T., MacIntyre, HL., Pratt, SM., Sammes, PJ., Gibb, S. and Geider, RJ., (2000). Photoacclimation in the marine diatomSkeletonema costatum. Limnology and Oceanography. 45 (8), 1807-1817

MARSHALL, HELENL., GEIDER, RICHARDJ. and FLYNN, KEVINJ., (2000). A mechanistic model of photoinhibition. New Phytologist. 145 (2), 347-359

MacIntyre, HL., Kana, TM. and Geider, RJ., (2000). The effect of water motion on short-term rates of photosynthesis by marine phytoplankton. Trends in Plant Science. 5 (1), 12-17

Geider, RJ., (1999). Complex lessons of iron uptake. Nature. 400 (6747), 815-816

McKay, RML., La Roche, J., Yakunin, AF., Durnford, DG. and Geider, RJ., (1999). ACCUMULATION OF FERREDOXIN AND FLAVODOXIN IN A MARINE DIATOM IN RESPONSE TO FE. Journal of Phycology. 35 (3), 510-519

Geider, R., Macintyre, Graziano, L. and McKay, RM., (1998). Responses of the photosynthetic apparatus ofDunaliella tertiolecta(Chlorophyceae) to nitrogen and phosphorus limitation. European Journal of Phycology. 33 (4), 315-332

Geider, RJ., Maclntyre, HL. and Kana, TM., (1998). A dynamic regulatory model of phytoplanktonic acclimation to light, nutrients, and temperature. Limnology and Oceanography. 43 (4), 679-694

KANA, TODDM., GEIDER, RICHARDJ. and CRITCHLEY, CHRISTA., (1997). Regulation of photosynthetic pigments in micro-algae by multiple environmental factors: a dynamic balance hypothesis. New Phytologist. 137 (4), 629-638

Taylor, AH., Geider, RJ. and Gilbert, FJH., (1997). Seasonal and latitudinal dependencies of phytoplankton carbon-to-chlorophyll a ratios:results of a modelling study. Marine Ecology Progress Series. 152 (1-3), 51-66

McKay, RML., Geider, RJ. and LaRoche, J., (1997). Physiological and Biochemical Response of the Photosynthetic Apparatus of Two Marine Diatoms to Fe Stress. Plant Physiology. 114 (2), 615-622

Geider, RJ., MacIntyre, HL. and Kana, TM., (1997). Dynamic model of phytoplankton growth and acclimation:responses of the balanced growth rate and the chlorophyll a:carbon ratio to light, nutrient-limitation and temperature. Marine Ecology Progress Series. 148 (1-3), 187-200

MacIntyre, HL., Sharkey, TD. and Geider, RJ., (1997). Activation and deactivation of ribulose-1,5-bisphosphate carboxylase/oxygenase (Rubisco) in three marine microalgae. Photosynthesis Research. 51 (2), 93-106

del Giorgio, PA. and Cole, JJ., (1997). Photosynthesis or planktonic respiration?. Nature. 388 (6638), 132-133

Geider, RJ., (1997). Photosynthesis or planktonic respiration?. Nature. 388 (6638), 132-132

MacIntyre, HL. and Geider, RJ., (1996). Regulation of Rubisco activity and its potential effect on photosynthesis during mixing in a turbid estuary. Marine Ecology Progress Series. 144 (1-3), 247-264

Graziano, LM., Roche, J. and Geider, RJ., (1996). PHYSIOLOGICAL RESPONSES TO PHOSPHORUS LIMITATION IN BATCH AND STEADY-STATE CULTURES OF DUNALIELLA TERTIOLECTA (CHLOROPHYTA): A UNIQUE STRESS PROTEIN AS AN INDICATOR OF PHOSPHATE DEFICIENCY1. Journal of Phycology. 32 (5), 825-838

Graziano, LM., Geider, RJ., Li, WKW. and Olaizola, M., (1996). Nitrogen limitation of North Atlantic phytoplankton: analysis of physiological condition in nutrient enrichment experiments. Aquatic Microbial Ecology. 11 (1), 53-64

Olaizola, M., Geider, RJ., Harrison, WG., Graziano, LM., Ferrari, GM. and Schlittenhardt, PM., (1996). Synoptic study of variations in the fluorescence based maximum quantum efficiency of photosynthesis across the North Atlantic Ocean. Limnology and Oceanography. 41 (4), 755-765

Roche, JL., Boyd, PW., McKay, RML. and Geider, RJ., (1996). Flavodoxin as an in situ marker for iron stress in phytoplankton. Nature. 382 (6594), 802-805

Geider, RJ., MacIntyre, HL. and Kana, TM., (1996). A dynamic model of photoadaptation in phytoplankton. Limnology and Oceanography. 41 (1), 1-15

MacIntyre, HL., Geider, RJ. and McKay, RM., (1996). PHOTOSYNTHESIS AND REGULATION OF RUBISCO ACTIVITY IN NET PHYTOPLANKTON FROM DELAWARE BAY1. Journal of Phycology. 32 (5), 718-731

Miller, DC., Geider, RJ. and MacIntyre, HL., (1996). Microphytobenthos: The Ecological Role of the "Secret Garden" of Unvegetated, Shallow-Water Marine Habitats. II. Role in Sediment Stability and Shallow-Water Food Webs. Estuaries. 19 (2), 202-202

Geider, RJ. and La Roche, J., (1994). The role of iron in phytoplankton photosynthesis, and the potential for iron-limitation of primary productivity in the sea. Photosynthesis Research. 39 (3), 275-301

Geider, RJ., Roche, J., Greene, RM. and Olaizola, M., (1993). RESPONSE OF THE PHOTOSYNTHETIC APPARATUS OF PHAEODACTYLUM TRICORNUTUM (BACILLARIOPHYCEAE) TO NITRATE, PHOSPHATE, OR IRON STARVATION1. Journal of Phycology. 29 (6), 755-766

Roche, J., Geider, RJ., Graziano, LM., Murray, H. and Lewis, K., (1993). INDUCTION OF SPECIFIC PROTEINS IN EUKARYOTIC ALGAE GROWN UNDER IRON-, PHOSPHORUS-, OR NITROGEN-DEFICIENT CONDITIONS1. Journal of Phycology. 29 (6), 767-777

Geider, RJ., Greene, RM., Kolber, Z., MacIntyre, HL. and Falkowski, PG., (1993). Fluorescence assessment of the maximum quantum efficiency of photosynthesis in the western North Atlantic. Deep Sea Research Part I: Oceanographic Research Papers. 40 (6), 1205-1224

Falkowski, P., Greene, R. and Geider, R., (1992). Physiological Limitations on Phytoplankton Productivity in the Ocean. Oceanography. 5 (2), 84-91

Greene, RM., Geider, RJ., Kolber, Z. and Falkowski, PG., (1992). Iron-Induced Changes in Light Harvesting and Photochemical Energy Conversion Processes in Eukaryotic Marine Algae. PLANT PHYSIOLOGY. 100 (2), 565-575

Greene, RM., Geider, RJ. and Falkowski, PG., (1991). Effect of iron limitation on photosynthesis in a marine diatom. Limnology and Oceanography. 36 (8), 1772-1782

Geider, RJ., (1990). The relationship between steady state phytoplankton growth and photosynthesis. Limnology and Oceanography. 35 (4), 971-972

Geider, RJ., (1989). Use of radiolabeled tracers in dilution grazing experiments to estimate bacterial growth and loss rates. Microbial Ecology. 17 (1), 77-87

Osborne, BA. and Geider, RJ., (1989). Problems in the assessment of the package effect in five small phytoplankters. Marine Biology. 100 (2), 151-159

Geider, RJ. and Gunter, PA., (1989). Evidence for the presence of phycoerythrin inDinophysis norvegica, a pink dinoflagellate. British Phycological Journal. 24 (2), 195-198

J.GEIDER, RICHARD. and OSBORNE, BRUCEA., (1989). Respiration and microalgal growth: a review of the quantitative relationship between dark respiration and growth. New Phytologist. 112 (3), 327-341

RAVEN, JOHNA. and GEIDER, RICHARDJ., (1988). Temperature and algal growth. New Phytologist. 110 (4), 441-461

Osborne, BA. and Geider, RJ., (1988). Measurements of minimum photon requirements. Photosynthesis Research. 16 (3), 291-292

Geider, RJ., (1988). Abundances of autotrophic and heterotrophic nanoplankton and the size distribution of microbial biomass in the southwestern North Sea in October 1986. Journal of Experimental Marine Biology and Ecology. 123 (2), 127-145

Osborne, BA. and Geider, RJ., (1988). Photosynthesis and in vivo light harvesting in the diatom.. ISI atlas of science : Animal & plant sciences.. 1 (3/4), 257-262

Geider, RJ. and Leadbeater, BSC., (1988). Kinetics and energetics of growth of the marine choanoflagellate Stephanoeca diplocostata. Marine Ecology Progress Series. 47 (2), 169-177

Geider, RJ., (1988). Estimating the growth and loss rates of phytoplankton from time-series observations of 14C-bicarbonate uptake. Marine Ecology Progress Series. 43 (1-2), 125-138

GEIDER, RICHARDJ., (1987). LIGHT AND TEMPERATURE DEPENDENCE OF THE CARBON TO CHLOROPHYLL a RATIO IN MICROALGAE AND CYANOBACTERIA: IMPLICATIONS FOR PHYSIOLOGY AND GROWTH OF PHYTOPLANKTON. New Phytologist. 106 (1), 1-34

Osborne, BA. and Geider, RJ., (1987). Photon requirement for growth of the diatom Phaeodactylum tricortunum Bohlin (Bacillariophyceae).. Plant, Cell and Environment. 10 (2), 141-149

OSBORNE, BRUCEA. and GEIDER, RICHARDJ., (1987). THE MINIMUM PHOTON REQUIREMENT FOR PHOTOSYNTHESIS. AN ANALYSIS OF THE DATA OF WARBURG & BURK (1950) AND YUAN, EVANS & DANIELS (1955). New Phytologist. 106 (4), 631-644

Geider, RJ., (1987). An improved method for the observation and enumeration of heterotrophic and photoautotrophic microplankton. Journal of Experimental Marine Biology and Ecology. 110 (1), 19-25

Geider, RJ. and Osborne, BA., (1987). Light absorption by a marine diatom: experimental observations and theoretical calculations of the package effect in a small Thalassiosira species. Marine Biology. 96 (2), 299-308

SMITH, RALPHEH., GEIDER, RICHARDJ. and PLATT, TREVOR., (1987). The measurement of gross planktonic production. Nature. 325 (6106), 739-739

OSBORNE, BA. and GEIDER, RJ., (1987). Photon requirement for growth of the diatom Phaeodactylum tricornutum Bohlin (Bacillariophyceae). Plant, Cell and Environment. 10 (2), 141-149

Geider, RJ. and Osborne, BA., (1986). Light absorption, photosynthesis and growth of Nannochloris atomus in nutrient-saturated cultures. Marine Biology. 93 (3), 351-360

Geider, RJ., Osbonie, BA. and Raven, JA., (1986). GROWTH, PHOTOSYNTHESIS AND MAINTENANCE METABOLIC COST IN THE DIATOM PHAEODACTYLUM TRICORNUTUM AT VERY LOW LIGHT LEVELS. Journal of Phycology. 22 (1), 39-48

OSBORNE, BA. and GEIDER, RJ., (1986). Effect of nitrate-nitrogen limitation on photosynthesis of the diatom Phaeodactylum tricornutum Bohlin (Bacillariophyceae). Plant, Cell and Environment. 9 (8), 617-625

Geider, JR. and Piatt, T., (1986). A mechanistic model of photoadaptation in microalgae. Marine Ecology Progress Series. 30 (1), 85-92

Geider, RJ., Piatt, T. and Raven, JA., (1986). Size dependence of growth and photosynthesis in diatoms: a synthesis. Marine Ecology Progress Series. 30 (1), 93-104

Smith, REH. and Geider, RJ., (1985). Kinetics of intracellular carbon allocation in a marine diatom. Journal of Experimental Marine Biology and Ecology. 93 (3), 191-210

J. Geider, R., Osborne, BA. and Raven, JA., (1985). LIGHT DEPENDENCE OF GROWTH AND PHOTOSYNTHESIS IN PHAEODACTYLUM TRICORNUTUM (BACILLARIOPHYCEAE)1. Journal of Phycology. 21 (4), 609-619

Smith, REH., Geider, RJ. and Platt, T., (1984). Microplankton productivity in the oligotrophic ocean. Nature. 311 (5983), 252-254

Book chapters (4)

Chansawang, N., Obara, B., Geider, RJ. and Laissue, PP., (2016). Three-Dimensional Visualisation and Quantification of Lipids in Microalgae Using Confocal Laser Scanning Microscopy. In: Hydrocarbon and Lipid Microbiology Protocols. Editors: Mcgenity, T., Timmis, K. and Nogales, B., . Springer Verlag. 145- 161. 978-3-662-49134-8

Geider, RJ., Moore, CM. and Suggett, DJ., (2014). Ecology of Marine Phytoplankton. In: Ecology and the Environment. Editors: Monson, RK., . Springer. 1- 41. 978-1-4614-7612-2

Geider, RJ., Moore, CM. and Suggett, DJ., (2014). Ecology of Marine Phytoplankton. In: Ecology and the Environment. Springer New York. 483- 531. 9781461475002

Geider, RJ., (2010). Estimating Aquatic Productivity from Active Fluorescence Measurements. In: Chlorophyll a Fluorescence in Aquatic Sciences: Methods and Applications. Springer Science & Business Media. 103- 127. 9048192684. 9789048192687

Conferences (16)

Oxborough, K., Moore, M., Suggett, DJ. and Geider, R., (2015). USING FAST REPETITION RATE FLUOROMETRY TO ESTIMATE PSII ELECTRON FLUX PER UNIT VOLUME: A PURELY OPTICAL METHOD FOR ESTIMATING GPP BY PHYTOPLANKTON?

Lawrenz, E., Huete-Ortega, M., Suggett, DJ. and Geider, RJ., (2013). ASSESSING THE RELATIONSHIPS BETWEEN ELECTRON TRANSFER AND CARBON FIXATION IN NITROGEN LIMITED MARINE PHYTOPLANKTON

Bretherton, L., Lawson, T., Moore, CM., Poulton, A., Geider, R. and Suggett, D., (2013). LIGHT AVAILABILITY AFFECTS THE OCEAN ACIDIFCATION RESPONSE IN COCCOLITHOPHORES

Allen, JI., Aiken, J., Anderson, TR., Buitenhuis, E., Cornell, S., Geider, RJ., Haines, K., Hirata, T., Holt, J., Le Quéré, C., Hardman-Mountford, N., Ross, ON., Sinha, B. and While, J., (2010). Marine ecosystem models for earth systems applications: The MarQUEST experience

Suggett, DJ., MacIntyre, HL., Kana, TM. and Geider, RJ., (2009). Comparing electron transport with gas exchange: parameterising exchange rates between alternative photosynthetic currencies for eukaryotic phytoplankton

Webster, R., Geider, R. and Raines, C., (2007). What limits CO2 assimilation in Emiliania huxleyi?

Geider, RJ., (2005). ACID RAIN, DESERT DUST AND PRIMARY PRODUCTION IN THE DEEP BLUE SEA

Davey, M., Milne, A., Geider, R. and Taylor, A., (2005). PLASMA MEMBRANE ELECTRON TRANSPORT IN MARINE DIATOMS - METABOLIC FUNCTION AND CHEMICAL CONSEQUENCES

Achterberg, EP., Ussher, S., Gledhill, M., Worsfold, PJ., Bowie, AR., Gehrels, WR., Geider, R. and de Baar, HJ., (2004). Role of iron in marine biogeochemistry

Anning, T., Pratt, S. and Geider, R., (1997). Molecular aspects of phytoplankton photoadaptation

Miller, DC., Geider, RJ. and Macintyre, HL., (1996). Microphytobenthos: The ecological role of the 'secret garden' of unvegetated, shallow-water marine habitats. II. Role in sediment stability and shallow-water food webs

Macintyre, HL., Geider, RJ. and Miller, DC., (1996). Microphytobenthos: The ecological role of the 'secret garden' of unvegetated, shallow-water marine habitats. I. Distribution, abundance and primary production

MacIntyre, HL., Geider, RJ. and Miller, DC., (1996). Microphytobenthos: The Ecological Role of the "Secret Garden" of Unvegetated, Shallow-Water Marine Habitats. I. Distribution, Abundance and Primary Production

GEIDER, RJ., (1993). QUANTITATIVE PHYTOPLANKTON PHYSIOLOGY - IMPLICATIONS FOR PRIMARY PRODUCTION AND PHYTOPLANKTON GROWTH

LAROCHE, J., GEIDER, RJ. and FALKOWSKI, PG., (1993). MOLECULAR-BIOLOGY IN STUDIES OF OCEANIC PRIMARY PRODUCTION

GEIDER, RJ., (1992). RESPIRATION - TAXATION WITHOUT REPRESENTATION

Grants and funding

2017

Single Turnover Active Fluorometry of Enclosed Samples for Autonomous Phytoplankton Productivity (STAFES-APP)

Natural Environment Research Council

2016

The math of our living oceans: culling the bestiary of models of phytoplankton growth

Natural Environment Research Council

Identifying the mechanisms and resource use implications of acclimation to high-temperature in marine cyanobacteria

Natural Environment Research Council

2009

Resource Utilization by Phytoplankton

Natural Environment Research Council

PROTOOL

European Commission

2008

Response Of Emiliania Huxleyi To A High Co2 World

Natural Environment Research Council

2007

Effect of light, CO2 and nutrient limitation on photosynthesis in marine diazotrophic cyanobacteria

Natural Environment Research Council

Contact

geider@essex.ac.uk
+44 (0) 1206 873312

Location:

3SW.4.16, Colchester Campus

Academic support hours:

by appointment