@article{fdi:010088683,
  title = {{U}nravelling mechanisms behind population dynamics, biological traits and latitudinal distribution in two benthic ecosystem engineers : a modelling approach},
  author = {{D}e {C}ubber, {L}ola and {L}efebvre, {S}. and {L}ancelot, {T}. and {J}orge, {D}. {S}. {F}. and {G}audron, {S}. {M}.},
  editor = {},
  language = {{ENG}},
  abstract = {{T}he mechanistic approach consisting of coupling {D}ynamic {E}nergy {B}udget ({DEB}) models to {I}ndividual-{B}ased {M}odels ({IBM}s) allows simulating individual and population biological traits and their dynamics. {T}his approach was developed here to study population dynamics of two sympatric intertidal ecosystem engineers, {A}renicola marina and {A}renicola defodiens ({A}nnelida {P}olychaeta) occurring in the {N}orth-{E}ast {A}tlantic from {P}ortugal to {S}weden. {L}atitudinal heterogeneity of the two species' performances were investigated in terms of population dynamics and biological traits using latitudinal differences in environmental forcing variables. {T}he impact of the forcing variables on population dynamics processes (shore colonisation and migration, spawning and recruitment, etc.) within a specific foreshore (mean values and seasonal patterns) was also assessed. {P}ublished {DEB} parameters were used for {A}. marina and a specific calibration was undertaken for {A}. defodiens, combining literature data and new laboratory experiments and field data. {O}ur {DEB}-{IBM} simulated super-individuals' growth and reproduction while lugworms were colonising, migrating and dying over a simulated foreshore. {D}ensity rules affected population dynamics. {E}nvironmental forcings consisted in monthly values of chlorophyll a (chl-a) concentrations and daily values of {SST}. {S}cenarios focusing on the two most contrasted of these forcing variables time series were used to explore their relative effects over populations' dynamics and onshore processes were investigated at two sites displaying highly different simulated population abundances. {O}verall, northern sites with higher chl-a levels performed better displaying higher biomass, maximum length and reproductive outputs for both species. {A}s expected, {S}ea {S}urface {T}emperature ({SST}) changes between sites did not impact greatly populations dynamics. {U}nder favourable environmental conditions, intra-and inter specific competitions emerged from the model. {U}nder non-favourable environmental conditions, {A}. defodiens' populations crashed and {A}. marina displayed atypical population processes, with rare spawning events barely allowing the population's renewal, and lower size at maturity. {F}urther use and development of this model will lead to better insights on the lugworm populations' evolution over the next decades.},
  keywords = {{D}ynamic {E}nergy {B}udget model ; {I}ndividual-{B}ased model ; {A}renicola marina ; {A}renicola defodiens ; {N}orth-east atlantic ; {ATLANTIQUE}},
  booktitle = {},
  journal = {{P}rogress in {O}ceanography},
  volume = {219},
  numero = {},
  pages = {103154 [20 p.]},
  ISSN = {0079-6611},
  year = {2023},
  DOI = {10.1016/j.pocean.2023.103154},
  URL = {https://www.documentation.ird.fr/hor/fdi:010088683},
}