Alex Tidd's picture

Alex Tidd

Postdoctoral Fellow, Postdoctoral reesearcher
  • E-mailAlex.Tidd@uib.no
  • Visitor Address
    Thormølens gate 53 A/B
    5006 Bergen
  • Postal Address
    Postboks 7803
    5020 Bergen

In my current position at the University of Bergen I am researching underutilised fishing efficiency and how this threatens the long-term sustainability and biodiversity of marine capture fisheries and seafood supply including those threatened by climate change.

Book chapter

  • Hutton, T., A, Mardle, S, Tidd, A.N. (2008). Advances in Fisheries Science (Book Chapter). The decline of the fishing fleets along the English and Welsh Coastline. 50 years on from Beverton and Holt. Blackwell Publishing, Eds: A. Payne, J. Cotter, and T. Potter, pages 26– 48.  https://doi.org/10.1002/9781444302653.ch2


  Refereed journal articles

  • Tidd, A.N, Molinos, J., Ojea, E., Watson, R. Estimating global artisanal fishing fleet responses in an era of rapid environmental and economic change. (Submitted to F and F Feb 2022)

  • Tidd, A.N, Rousseau, Y., Ojea, E., Blanchard, J.L., Watson, R. Food security challenged by declining efficiencies of artisanal fishing fleets: A global country-level analysis. Global Food Security. 32, 100598. https://doi.org/10.1016/j.gfs.2021.100598

  • Tidd, A.N. and Hutton, T. Assessing global artisanal fishers’ economic performance in relation to trophic and climatic indicators. (Ready for submission to Marine Policy, Ready for submission March 2022).

  • Aguion, A., Tidd, A.N., Ojea, E., Macho, G., Costello, C. Bio-economic model of stalked barnacle (Rotational harvesting). (In prep – submit in April 2022).

  • Tidd, A.N.,  Palacios, J., Ojea, E.. Climate change will outdate the European Union fisheries quota allocation. (In prep-submit April 2022).

  • Rubio, I., Otero, D., Ojea, E., Aguion, A., Tidd, A.N. Socioeconomic implications of the observed climate change distributional impacts in commercial marine species. (In prep – submit April 2022)

  • Tidd, A.N., Blanchard, J.L Kell, L.T., Watson, R.  (2018). Predicting global tuna vulnerabilities with spatial, economic, biological and climatic considerations. Nature Scientific Reports, 8, 10572. https://doi.org/10.1038/s41598-018-28805-z

  • James, P.A.S., Tidd, A.N., Kaitu, L.P. (2018). The impact of industrial tuna fishing on small-scale fishers and economies in the Pacific. https://doi.org/10.1016/j.marpol.2018.03.021

  • Watson, R., and Tidd, A.N.  (2018). Mapping nearly a century and a half of global marine fishing: 1869 to 2015. Marine Policy 93, 171-177. https://doi.org/10.1016/j.marpol.2018.04.023

  • Tidd, A.N., Brouwer, S., Pilling, G.M. (2017). Shooting fish in a barrel? Assessing fisher-driven changes in catchability within tropical tuna purse seine fleets.  Fish Fish. 2017; 00:1–13. doi:10.1111/faf.12207.

  • Janßen, H., Bartelings, H., Bastardie, F., Eero, M., Girardin, R., Hamon, K., Hinrichsen, H., Marchal., P., Nielsen, R., Le Pape, O., Schulze, T., Simons., S., Teal, L.R., Tidd, A.N., Vermard, Y. (2017). Integration of fisheries in marine spatial planning: Quo vadis? Estuarine, Coastal and Shelf Science. http://dx.doi.org/10.1016/j.ecss.2017.01.003 

  • Girardin, R., Hamon, K., Pinnegar, J., Poos, J.J., Thebaud, O., Tidd, A.N., Vermard, Y., Marchal, P. (2016). Thirty years of fleet dynamics modelling using discrete-choice models: what did we learn? Fish Fish. doi:10.1111/faf.12194.

  • Tidd, A.N., Reid, C., Pilling G.M., Harley, S.J. (2016). Estimating productivity, technical and efficiency change in the Western Pacific Purse seine fleets. ICES Journal of Marine Science doi: 10.1093/icesjms/fsv262.​

  • Girardin, R., Vermard, Y., Thébaud, O., Tidd, A.N. and Marchal, P. (2015). Predicting fisher response to competition for space and resources in a mixed demersal fishery. Ocean & Coastal Management 106, 124-135. https://doi.org/10.1016/j.ocecoaman.2015.01.017

  • Tidd, A.N., Vermard, Y., Marchal, P., Pinnegar, J., Blanchard, J.L., and Milner-Gulland, E.J. (2015). Fishing for space: fine-scale multi-sector maritime activities influence fisher location choice. Plos One 10, 1-14. https://doi.org/10.1371/journal.pone.0121498 

  • Marchal, P., Desprez, M., Vermard, Y., Tidd, A.N. (2014). How do demersal fishing fleets interact with aggregate extraction in a congested sea? Estuarine, Coastal and Shelf Science, 149, 168-177. https://doi.org/10.1016/j.ecss.2014.08.005

  • Martinez, I., Ellis, J.R., Scott, B., Tidd, A.N. (2013). The fish and fisheries of Jones Bank and the wider Celtic Sea. Progress In Oceanography, 117, 89-105. https://doi.org/10.1016/j.pocean.2013.03.004

  • Tidd, A.N. (2013). Effective fishing effort trip indicators and their use for efficient spatial management in mixed demersal fisheries. Fisheries Management and Ecology, 20, 377-389. https://doi.org/10.1111/fme.12021

  • Tidd, A. N., Hutton, T., Kell, L. T., and Blanchard, J. L (2012). Dynamic prediction of effort re-allocation in mixed fisheries. Fisheries Research 125–126, 243–253. https://doi.org/10.1016/j.fishres.2012.03.004

  • Tidd, A.N., Hutton, T., Kell, L.T., Padda, G. (2011). Exit and entry of fishing vessels: an evaluation of factors affecting investment decisions in the North Sea English beam trawl fleet. ICES Journal of Marine Science 68, 961–971. https://doi.org/10.1093/icesjms/fsr015

  • Iriondo A., García D., Santurtún M., Castro J., Quincoces I., Lehuta S., Mahévas S., Marchal P., Tidd A.N., Ulrich C. (2012). Managing Mixed Fisheries in the European Western Waters: application of Fcube methodology. Fisheries Research, 134–136, 6–16. https://doi.org/10.1016/j.fishres.2012.07.019

  • Mahévas, S., Vermard, Y., Hutton, T., Iriondo, A., Jadaud, A., Maravelias, C. D., Punzón, A., Sacchi, J., Tidd, A.N., Tsitsika, E., Marchal, P., Goascoz, N., Mortreux, S., and Roos, D. (2011). An investigation of human vs. technology-induced variation in catchability for a selection of European fishing fleets. ICES Journal of Marine Science, 68, 2252– 2263. https://doi.org/10.1093/icesjms/fsr150.

  • Pilling, G.M., Kell, L.T., Hutton, T., Bromley, P.J., Tidd, A.N., and Bolle, L.J. (2008). Can economic and biological management objectives be achieved by the use of MSY-based reference points? A North Sea plaice (Pleuronectes platessa) and sole (Solea solea) case study. ICES Journal of Marine Science, 65, 1069–1080. https://doi.org/10.1093/icesjms/fsn063

  • Catchpole, T.L., Tidd, AN., Kell, L.T., Revill, A.R., Dunlin, G. (2007). The potential for new Nephrops trawl designs to positively affect North Sea stocks of cod, haddock and whiting. Fisheries Research, 86, 262– 267. https://doi.org/10.1016/j.fishres.2007.06.023

  • Pilling, G.M., Millner, R.S., Easey, M.W., ​Maxwell, D., Tidd, A.N. (2007). Phenology and North Sea cod (Gadus morhua): has climate change affected otolith annulus formation and cod growth? Journal of Fish Biology, 70, 584–599.  https://doi.org/10.1111/j.1095-8649.2007.01331.x

  • Trenkel, V.M., Pinnegar, J.K., Dawson, W.A., Du Buit, M.H., Tidd, A.N. (2005). Spatial and temporal structure of predator-prey relationships in the Celtic Sea. Marine Ecology Progress Series, 299, 257– 268. doi:10.3354/meps299257

  • Blanchard, J.L., Dulvy N.K., Ellis, J.E., Jennings S., Pinnegar, J.K., Tidd, A.N., Kell, L.T. (2005). Do climate and fishing influence size-based indicators of Celtic Sea fish community structure? ICES Journal of Marine Science. 62, 405– 411. https://doi.org/10.1016/j.icesjms.2005.01.006

  • Pinnegar, J.K., Trenkel, V.M., Tidd, A.N., Dawson, W.A. and Du Buit, M.H. (2003). Does diet in Celtic Sea fishes reflect prey availability? Journal of Fish Biology, 63, 197– 212. https://doi.org/10.1111/j.1095-8649.2003.00204.x


Fields of competence