Members

Here you can find a list of all ARCTOS members and PhD students. In the drop-down menu you can either select the member status or the institution the member belongs to.

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Photo of Malin Daase

Malin Daase

Post-doctoral researcher

Research interests:
  • Arctic marine ecology with particular interest in zooplankton ecology (population dynamics and life history adaptations of copepods)
  • Effects of variation in the physical environment on zooplankton distribution and life history traits
  • Sea ice biota.
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UiT The Arctic University of NorwayArctic and Marine Biology Address Department of Arctic and Marine Biology Faculty of Biosciences, Fisheries and Economics UiT The Arctic University of Norway Tromsø 9037 Norway Work Phone: +47 77 64 68 82

Research interests:

  • Arctic marine ecology with particular interest in zooplankton ecology (population dynamics and life history adaptations of copepods)
  • Effects of variation in the physical environment on zooplankton distribution and life history traits
  • Sea ice biota.

Running national and international projects:

  • Marine Night, 2013-2016, Research Council of Norway
  • COPPY: Fate of COPePod secondarY production in a changing Arctic

Completed national and international projects:

Relevant publications:

  1. Berge J, Daase M, Renaud PE, Ambrose WG, Darnis G, Last KS, Leu E, Cohen J, Johnsen G, Moline MA, Cottier F, Varpe Ø, Shunatova N, Balazy P, Morata N, Massabuau JC, Falk-Petersen S, Kosobokova K, Hoppe CJM, Weslawski JM, Kuklinski P, Legezynska J, Nikishina D, Cusa M, Kedra M, Wlodarska-Kowalczuk, Vogedes D, Camus L, Tran D, Michaud E, Gabrielsen TM, Granovitch A, Gonchar A, Krapp R. Unexpected levels of biological activity during the polar night offers new perspectives on a warming Arctic. Current Biology. In press
  2. Berge J, Cottier F, Darnis G, Falk-Petersen S, Gabrielsen T, Johnsen G, Last K, Leu E, Lønne OJ, Moline M, Nahrgang J, Renaud PE, Seuthe L, Søreide J, Varpe Ø, Weslawski JM, Daase M. (2015) In the dark: A review of ecosystem processes during the Arctic polar night. Progress in Oceanography. doi:10.1016/j.pocean.2015.08.005
  3. Barber DG, Hop H, Mundy CJ, Else B, Dmitrenko IA, Tremblay JE, Ehn JK, Assmy P, Daase M, Candlish LM, Rysgaard S. (2015) Selected physical, biological and biogeochemical implications of a rapidly changing Arctic Marginal Ice Zone. Progress in Oceanography. doi:10.1016/j.pocean.2015.09.003
  4. Varpe Ø, Daase M, Kristiansen T (2015). A fish-eye view on the changing Arctic lightscape. ICES Journal of Marine Systems. 10.1093/icesjms/fsv129
  5. Cohen JH, Berge J, Moline MA, Sørensen AJ, Last K, Falk-Petersen S, Renaud P, Leu E, Grenvald J, Cottier F, Cronin H, Menze S, Norgren P, Varpe Ø, Daase M, Darnis G, Johnsen G (2015) Is ambient light during the high Arctic polar night sufficient to act as a visual cue for zooplankton? Plos One. doi:10.1371/journal.pone.0126247
  6. Daase M, Varpe Ø, Falk-Petersen S (2014) Non Consumptive mortality in copepods: occurrence of Calanus spp. carcasses in the Arctic Ocean during winter. Journal of Plankton Research, 36, 1, 129-144. doi:10.1093/plankt/fbt079
  7. Hop H, Bluhm B, Daase M, Gradinger R, Poulin M (2013) Arctic sea ice biota. Arctic Report Card. http://www.arctic.noaa.gov/reportcard/
  8. Assmy P, Ehn JK, Fernández-Méndez M, Hop H, Katlein C, Sundfjord A, Bluhm K, Daase M, Engel A, Fransson A, Granskog MA, Hudson SR, Kristiansen S, Nicolaus M, Peeken I, Renner AHH, Spreen G, Tatarek A, Wiktor J (2013) Floating ice-algal aggregates below melting Arctic sea ice. PLOS One, 8,10
  9. Daase M, Falk-Petersen S, Varpe Ø, Wold A, Søreide JE, Leu E, Berge J, Philippe B, Darnis G, Fortier L. (2013) Plasticity in timing of reproductive events in Calanus glacialis: a Pan-Arctic perspective. Canadian Journal of Fisheries and Aquatic Sciences 70, 871-884
  10. Niehoff B, Wolf T, Knüppel N, Daase M, Czerny J, Boxhammer T. (2013) Mesozooplankton community development at elevated CO2 concentrations: Results from a mesocosm experiment in an Arctic fjord. Biogeosciences 10, 1391-1406, doi:10.5194/bg-10-1391-2013
  11. Leu E, Daase M, Schulz KG, Stuhr A, Riebesell U. (2013) Effect of ocean acidification on the fatty acid composition of a natural plankton community. Biogeosciences 10, 1143-1153, doi:10.5194/bg-10-1143-2013
  12. Berge J, Varpe Ø, Moline MA, Wold A, Renaud PE, Daase M, Falk-Petersen S (2012) Retention of endemic keystone species in a future ice-free Arctic Ocean. Biology Letter, doi: 10.1098/rsbl.2012.0517
  13. Rabindranath A , Daase M, Wallace MI, Wold A, Falk-Petersen S, Berge J, Brierley AS (2011) Seasonal and diel vertical migration of zooplankton in the High Arctic during autumn midnight sun of 2008. Marine Biodiversity 41:365–382
  14. Daase M, Søreide JE, Martynova D (2011) Egg hatching success and naupliar development time of Calanus glacialis. Marine Ecology Progress Series 429:111-124
  15. Daase M, Eiane K, Aksnes DL, Vogedes D (2008) Vertical distribution of Calanus spp. and Metridia longa at four Arctic locations. Marine Biology Research 4:3,193-207
  16. Daase M, Vik JO, Bagøien E, Stenseth NC, Eiane K (2007) The influence of advection on Calanus near Svalbard: statistical relations between salinity, temperature and copepod abundance. Journal of Plankton Research 29(10):903-911
  17. Daase M, Eiane K (2007) Mesozooplankon distribution in northern Svalbard waters in relation to hydrography. Polar Biology 30 (8):969-981
  18. Arnkvaern G, Daase M, Eiane K (2005) Dynamics of coexisting Calanus finmarchicus, Calanus glacialis and Calanus hyperboreus in a high-Arctic fjord. Polar Biology 28 (7), 528-538
  19. Eiane K, Daase M (2002) Observation of mass mortality of Themisto libellula (Amphipoda, Hyperidae). Polar Biology 25: 396-398

Selected other publications:

  • Daase M (2008) Mesozooplankton distribution in Svalbard waters: Calanus spp. and its relationship to hydrographic variability. Ph.D. thesis, University of Bergen. ISBN 978-82-308-0509-1

Popular science and outreach:

  • Søreide JE, Daase M, Freese D (2013) Ishavsåta i varmere hav med mindre is. Klima 2-2013

 

No Photo Available

Salve Dahle

Director

Akvaplan-nivaManagement & Administration Work address Akvaplan-niva AS Fram Centre Tromsø 9296 Norway Work Phone: +47 77 75 03 20
No Photo Available

Gérald Darnis

Post-doctoral researcher

Akvaplan-nivaArctic R&D Work address Akvaplan-niva AS Fram Centre Tromsø 9296 Norway Work Phone: +47 77 75 03 63
No Photo Available

Ryan Dillon

PhD candidate

Akvaplan-niva and ARCEx (Arctic Research Center for Petroleum Exploration)visiting scientist at the University of Bergen Work address Department of Biology University of Bergen Post box 7803 Bergen 5020 Norway Work Phone: +47 94 24 57 71
Photo of Pedro Duarte

Pedro Duarte

Research scientist

Research interests:
  • Marine Ecology
  • with emphasis on mathematical modeling of the Arctic marine ecosystem
  • using coupled physical-biogeochemical models for the sea and sea ice.
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Norwegian Polar InstituteResearch department: ecotoxicology Work address Norwegian Polar Institute Fram Centre Tromsø 9296 Norway Work Phone: +47 77 75 06 42

Research interests:

  • Marine Ecology
  • with emphasis on mathematical modeling of the Arctic marine ecosystem
  • using coupled physical-biogeochemical models for the sea and sea ice.

Running national and international projects:

  • 2015    TIGRIF: TIdewater Glacier Retreat Impact on Fjord circulation and ecosystems, Researcher project – HAVKYST, Situation: Ongoing, Scope: Norwegian, Role: Investigator, Financing: Norwegian Research Council
  • 2015    Ice-algal and under-ice phytoplankton bloom dynamics in a changing Arctic icescape. Researcher project – OKOSYSTEM, Situation: Ongoing, Scope: Norwegian, Role: Investigator, Financing: Norwegian Research Council
  • 2015    Ecosystem effects of Ocean Acidification in Northern waters (ECOAN),    Situation: Ongoing, Scope: Norwegian, Role: Investigator, Financing: Fram Centre
  • 2015    Norwegian Young Sea Ice Cruise (N-ICE2015), Situation: Ongoing, Scope: Norwegian, Role: Coordinator of the biological workpackage, Financing: Norwegian Polar Institute – ICE center
  • 2014    Ecosystem modelling of the Arctic Ocean around Svalbard, Situation: Ongoing, Scope: Norwegian, Role: Principal Investigator, Financing: Fram Centre

Completed national and international projects:

  • 2013    Coupling different modelling platforms: an activity across Fram Centre Flagships, Situation: Concluded, Scope: Norwegian, Role: Principal Investigator, Financing: Fram Centre
  • 2011-2014    Seamount benthic primary production: a new hypothesis to explain abundance and biodiversity over shallow seamounts (GreenMount), Reference: PTDC/MAR/111011/2009, Situation: Concluded, Scope: Portuguese, Role: Principal Investigator.
  • 2011-2014    Effects of ocean climate on the macroecology and resilience to disturbances of kelp beds – OCEANKELP, Reference: PTDC/MAR/109954/2009,     Situation: Concluded, Scope: Portuguese, Role: Researcher
  • 2010-2013    PHYSIOGRAPHY- Physiological stress of intertidal fucoids related to their biogeography: implications under new climate scenarios, Reference: PTDC/MAR/105147/2008, Situation: Concluded, Scope: Portuguese, Role: Researcher
  • 2010 – 2012    Landscape genetics of a coastal lagoon; an empirical and modeling approach using the seagrass Zostera noltii in Ria Formosa, Reference: PTDC/MAR/099887/2008, Situation: Concluded, Scope: Portuguese, Role: Researcher
  • 2004 – 2008    ABSES – Simulação de Sistemas Ecológicos Baseada em Agentes (ABSES – Agent based simulation of ecological systems), Reference: POSC/EIA/57671/2004, Situation: Concluded, Scope: Portuguese, Role: Researcher
  • 2003 – 2006    ECODOURO – Modelling the effect of freshwater reduction and pulse discharge on the water dynamics and processes of the Crestuma Reservoir,  Reference: POCTI/MGS/45533/2002, Situation: Concluded, Scope: Portuguese,   Role: Researcher.
  • 2003 – 2006    DITTY – Development of an Information Technology Tool for the Management of European Coastal Lagoons, Reference: EVK3-CT-2002-00084, Situation: Concluded, Scope: European, Role: Researcher/Leadership role of the Portuguese participation
  • 1999 – 2002    Carrying capacity assessment and impact of aquaculture in Chinese bays, Reference: contract nº: ERB IC18 – CT98, Situation: Concluded, Scope: European+China, Role: Researcher
  • 1998 – 2000    Mathematical model oriented management of bivalve cultivation in Ria Formosa, Reference: ICN, Situation: Concluded, Scope: Portuguese, Role: Principal Investigator
  • 1997 – 2000    Numerical simulation of climate variability of the Azores Front/Current system. Impact on primary productivity, Reference: 3/3.2/EMG/1956/95, Situation: Concluded, Scope: Portuguese, Role: Researcher.
  • 1996 – 1999    ECOTEJO98 – Development of a sub model for “Cala do Norte” in the Tagus estuary, Reference: JNICT/DRARN-LVT/IPIMAR/Solvay, Situation: Concluded, Scope: Portuguese, Role: Researcher.
  • 1996 – 1999    Development of a model for coastal lagoon management,  Reference: PBICT/MAR/2245/95, Situation: Concluded, Scope: Portuguese, Role: Principal Investigator.
  • 1993 – 1996    Development of an ecological model for the Tagus estuary,  Reference: JNICT PMCT, Situation: Concluded, Scope: Portuguese, Role: Technician
  • 1994 – 1995    Trophic Capacity of Coastal Zones for Culture of Oysters, Mussels and Cockles, Reference: CEE: CON-AIR32219, Situation: Concluded, Scope: European, Role: Researcher
  • 1992 – 1995    MARE – Microalgae in the Adriatic Region, Reference: CEE: ENVIRONMENT EV5V-CT92-021, Situation: Concluded, Scope: European, Role: Researcher
  • 1991 – 1994    Development of an Ecological Model for Mollusc Rearing Areas in Ireland and Greece, Reference: CEE: FAR AQ2516, Situation: Concluded, Scope: European, Role: Researcher

Relevant scientific publications:

As first author:

  1. Duarte, P., Assmy, P., Hop, H., Spreen, G., Gerland, S., Hudson, S.R., 2015. The importance of vertical resolution in sea ice algae production models. Journal of Marine Systems 145: 69-90. http://dx.doi.org/10.1016/j.jmarsys.2014.12.00
  2. Duarte, P., Alvarez-Salgado, X.A., Fernández-Reiriz, M.J., Piedracoba, S., Labarta, U., 2014. A modelling study on the hydrodynamics of a coastal embayment occupied by mussel farms (ría de Ares-Betanzos, NW Iberian Peninsula). Estuarine Coastal and Shelf Science 147: 42-55. http://dx.doi.org/10.1016/j.ecss.2014.05.021.
  3. Duarte, P., Ramos, M., Calado, G., Jesus, B., 2013. Laminaria hyperborea photosynthesis–irradiance relationship measured by oxygen production and pulse amplitude modulated chlorophyll fluorometry. Aquatic Biology 19: 29-44.
  4. Duarte, P., Fernández-Reiriz, M.J., Labarta, U., 2012. Modelling mussel growth in ecosystems with low suspended matter loads using a Dynamic Energy Budget approach. Journal of Sea Research 67: 44 – 57. http://dx.doi.org/10.1016/j.seares.2011.09.002
  5. Duarte, P., Fernández-Reiriz, M.J., Filgueira, R.A., Labarta, U., 2010. Modelling mussel growth in ecosystems with low suspended matter loads. Journal of Sea Research 64: 273 – 286. http://dx.doi.org/10.1016/j.seares.2010.03.006
  6. Duarte, P., Labarta, U., Fernández-Reiriz, M.J., 2008. Modelling local food depletion effects in mussel rafts of Galician Rias. Aquaculture 274: 300–312. http://dx.doi.org/10.1016/j.aquaculture.2007.11.025
  7. Duarte, P., Azevedo, B., Guerreiro, M., Ribeiro, C., Bandeira, R., Pereira, A., Falcão, M., Serpa, D., Reia, J., 2008. Biogeochemical Modelling of Ria Formosa (South Portugal). Hydrobiologia 611: 115-132. http://dx.doi.org/10.1007/s10750-008-9464-3
  8. Duarte, P., Guerreiro, M.J., Reia, J., Cancela da Fonseca, L., Pereira, A., Azevedo, Falcão, M., Serpa, D., 2007. Coastal zones management: application to Ria Formosa (South of Portugal). Revista Ciência Agronômica, v.38, n.1: 118-128.
  9. Duarte, P., Macedo, F., Cancela da Fonseca, L., 2006. The relationship between phytoplankton diversity and community function in a Coastal lagoon. Hydrobiologia 555: 3-18. http://dx.doi.org/10.1007/s10750-005-1101
  10. Duarte, P., Meneses, R., Hawkins, A.J.S., Zhu, M., Fang, J., Grant, J., 2003. Mathematical modelling to assess the carrying capacity for multi-species culture within coastal water. Ecological Modelling 168: 109-143. http://dx.doi.org/10.1016/S0304-3800(03)00205
  11. Duarte, P., Bernardo, J.M., Costa, A.M., Macedo, M.F., Calado, G., Cancela da Fonseca, L., 2002. Analysis of a coastal lagoon metabolism as a basis for management. Aquatic Ecology 36: 3-1
  12. Duarte, P., Ferreira, J.G., 1997. Dynamic modelling of photosynthesis in marine and estuarine ecosystems. Environmental Modelling & Assessment 2: 83-9
  13. Duarte, P., Ferreira, J.G., 1997. A model for the simulation of macroalgal population dynamics and productivity. Ecological Modelling 98: 199-21
  14. Duarte, P., 1995. A mechanistic model of the effects of light and temperature on algal primary productivity. Ecological Modelling 82: 151-16
  15. Duarte, P., Ferreira, J.G., 1995. Seasonal adaptation and short-term metabolic responses of Gelidium sesquipedale to varying light intensity and temperature. Mar. Ecol. Prog. Ser. 121: 189-3
  16. Duarte, P., Ferreira, J.G., 1993 A methodology for parameter estimation in seaweed productivity modelling. Hydrobiologia 260/261: 183-189.

As co-author:

  1. Franco, J., Wernberg, T., Bertocci, I., Duarte, P., Jacinto, D., Vasco-Rodrigues, N., Tuya, F., 2015. Herbivory drive kelp recruits into ‘hiding’: insights from a latitudinal comparison. Marine Ecology Progress Series  536: 1–9.
  2. Cranford, P.J., Duarte, P., Robinson, S.M.C., Fernández-Reiriz, M.J., Labarta, U., 2014. Suspended particulate matter depletion and flow modification inside mussel (Mytilus galloprovincialis) culture rafts in the Ría de Betanzos, Spain. Journal of Experimental Marine biology and Ecology 452: 70-81.
  3. Azevedo, I.C., Bordalo, A., Duarte, P., 2014. Influence of freshwater inflow variability on the Douro estuary primary productivity: a modelling study. Ecological Modelling 272: 1-1
  4. Carvalho, R, Duarte, P., 2013. Carbon fluxes in a coastal area of Northern Portugal. Limnetica, 32 (2): 229-24
  5. Serpa, D., Ferreira, P.P., Caetano, M., Cancela da Fonseca, L., Dinis, M.T., Duarte, P., 2013. A coupled biogeochemical-Dynamic Energy Budget model as a tool for managing fish production ponds. Science of the Total Environment 463-464: 861-8
  6. Serpa, D., Duarte, P., Ferreira, P.P., Ferreira, H., Cancela da Fonseca, L., Dinis, M.T., 2013. Modelling the growth of white seabream (Diplodus sargus) and gilthead seabream (Sparus aurata) in semi-intensive earth production ponds using the Dynamic Energy Budget approach. Journal of Sea Research 76: 135-145. http://dx.doi.org/10.1016/j.seares.2012.08.003
  7. Tuya, F., Cacabelos, E., Duarte, P., Jacinto, D., Castro, J.J., Silva, S., Bertocci, I., Franco, J.N., Arenas, F., Coca, J., Wernberg, T., 2012. Patterns of landscape and assemblage structure along a latitudinal gradient in ocean climate. Mar. Ecol. Prog. Ser. 466: 9-12. http://dx.doi.org/10.3354/meps09941
  8. Serpa, D., Pousão-Ferreira, P., Caetano, M., Cancela da Fonseca, L., Dinis, M. T., Duarte, P., 2012. Modelling of biogeochemical processes in fish earth ponds: Model development and calibration. Ecological Modelling 247: 286-301. http://dx.doi.org/10.1016/j.ecolmodel.2012.07.020
  9. Tuya, F., Duarte, P., 2012. Role of food availability in the bathymetric distribution of the starfish Marthasterias glacialis (Lamk.) on reefs of northern Portugal. Scientia Marina 76: 9 – 15. http://dx.doi.org/10.3989/scimar.2012.76n10
  10. Azevedo, I.C., Duarte, P., Bordalo, A.A., 2010. Temporal and spatial variability of phytoplankton photosynthetic characteristics in a southern European estuary (Douro, Portugal). Marine Ecology Progress Series 412: 29 – 44. http://dx.doi.org/10.3354/meps08669
  11. Azevedo, I.C., Bordalo, A.A., Duarte, P., 2010. Influence of river discharge patterns on the hydrodynamics and potential contaminant dispersion in the Douro estuary (Portugal). Water Research 44: 3133 – 3146. http://dx.doi.org/10.1016/j.watres.2010.03.011
  12. Azevedo, I.C., Duarte, P., Bordalo, A.A., 2008. Understanding spatial and temporal dynamics of key environmental characteristics in a mesotidal Atlantic estuary (Douro, NW Portugal). Estuarine, Coastal and Shelf Science 76: 620-633. http://dx.doi.org/10.1016/j.ecss.2007.07.034
  13. Serpa, D., Falcão, M., Duarte P., Cancela da Fonseca, L., Vale, C., 2007. Evaluation of ammonium and phosphate release from intertidal and subtidal sediments of a shallow coastal lagoon (Ria Formosa – Portugal): a modelling approach. Biogeochemistry 82: 291-304. http://dx.doi.org/ 10.1007/s10533-007-9076-4
  14. Pereira, A., Duarte, P., Norro, A., 2006. Different modelling tools of aquatic ecosystems: A proposal for a unified approach. Ecological Informatics 1: 407-421. http://dx.doi.org/10.1016/j.ecoinf.2006.09.0
  15. Azevedo, I.C., Duarte, P., Bordalo, A.A., 2006. Pelagic metabolism of the Douro estuary (Portugal) – Factors controlling primary production. Estuarine, Coastal and Shelf Science 69: 133-146. http://dx.doi.org/10.1016/j.ecss.2006.04.002
  16. Macedo, F., Duarte, P., 2006. Phytoplankton production modelling in three marine ecosystems – static versus dynamic approach. Ecological Modelling 190: 299-316. http://dx.doi.org/10.1016/j.ecolmodel.2005.05.012
  17. Hawkins, A.J.S, Duarte, P., Fang, J.G., Pascoe, P.L., Zhang, J.H., Zhang, X.L., Zhu, M.Y., 2002. A functional model of responsive suspension-feeding and growth in bivalve shellfish, configured and validated for the scallop Chlamys farreri during culture in China. Journal of Exp. Mar. Biol. and Ecol., 281: 13-40.
  18. Macedo, M.F., Duarte, P., Ferreira, J.G., 2002. The influence of incubation periods on photosynthesis-irradiance curves. Journal of Exp. Mar. Biol. and Ecol. 274: 101-12
  19. Macedo, M.F., Duarte, P., Ferreira, J.G., 2001. Annual variation of environmental variables, phytoplankton species composition and photosynthetic parameters in a Coastal Lagoon. J. Plankton Research 23: 719–732.
  20. Macedo, M.F., Duarte, P., Ferreira, J.G., Alves, M., Costa, V., 2000. Analysis of the deep chlorophyll maximum across the Azores Front. Hydrobiologia 441: 155–172.
  21. Calado, G., Duarte, P., 2000. Modelling Growth of Ruppia cirrhosa. Aquatic Botany 68: 29-44
  22. Bacher, C., Duarte, P., Ferreira, J.G., Héral, M., Raillard, O., 1998. Assessment and comparison of the Marennes-Oléron Bay (France) and Carlingford Lough (Ireland) Carrying Capacity with ecosystem models. Aquatic Ecology 31: 379 – 394.
  23. Ferreira, J., Duarte, P., Ball, B., 1998. Trophic capacity of Carlingford Lough for aquaculture – analysis by ecological modelling. Aquatic Ecology 31: 361–379.
  24. Macedo, M.F., Ferreira, J.G., Duarte, P., 1998. Dynamic behaviour of photosynthesis-irradiance curves determined from oxygen production during variable incubation periods. Mar. Ecol. Prog. Ser. 165: 31–43.
  25. Santos, R., Duarte, P., 1996. Fecundity, spore recruitment and size in Gelidium sesquipedale (Gelidiales, Rhodophyta). Hydrobiologia 326/327: 223-22
  26. Santos, R., Duarte, P., 1991. Marine plant harvest in Portugal. Journal of Applied Phycology 3: 11-1
  27. Magalhães, F., Cancela da Fonseca, L., Bernardo, J.M., Moita, I., Franco, J.E., Duarte, P., 1987. Physical characterization of Odeceixe, Aljezur and Carrapateira lagunary systems (SW Portugal). Limnetica, 3(2): 211-218.