@article{fdi:010080596,
  title = {{B}iogeography and phenology of the jellyfish {R}hizostoma pulmo ({C}nidaria : {S}cyphozoa) in southern {E}uropean seas},
  author = {{L}eoni, {V}. and {B}onnet, {D}. and {R}amirez-{R}omero, {E}. and {M}olinero, {J}uan-{C}arlos},
  editor = {},
  language = {{ENG}},
  abstract = {{A}im: {G}lobal anthropogenic changes have altered biogeography and phenology of marine populations, thereby promoting a spatial reconfiguration in the functioning of marine ecosystems. {A}mong these changes, massive proliferations of jellyfish in temperate latitudes warn of potential alterations in biogeochemical fluxes, ecosystems' structure and assets, and the services they provide to human welfare. {U}nderstanding driving factors shaping large-scale patterns of jellyfish proliferations is a pressing need in global ecology and sustainability science. {U}sing a comprehensive dataset of the largest blooming scyphomedusae in southern {E}uropean seas we test, over broad space-time scales, current hypotheses relating jellyfish dynamics to warming and eutrophication. {L}ocation: {S}outhern {E}uropean seas. {T}ime period: 1875-2019. {M}ajor taxa studied: {R}hizostoma pulmo. {M}ethods: {W}e have gathered historical and contemporaneous records of {R}. pulmo from the {M}editerranean and {B}lack {S}eas over the last two centuries (7,359 records). {G}eneralized statistical models were used to assess the influence of thermal (latitudinal) and productivity (longitudinal) gradients on the biogeographical patterns, and the species' phenology at large and regional scales. {R}esults: {R}hizostoma pulmo abundance exhibited an enhanced magnitude and frequency in recent decades, concurrently with positive temperature anomalies. {W}e found that the latitudinal temperature gradient, but not productivity, shaped long-term bloom intensity and biogeographical patterns of the species. {O}ur analysis further uncovered a significant effect of the interannual variability of spring temperature on the species' phenology over the period 2008-2018, with warmer springs favouring an earlier start (c. 3 months) and a longer duration (from 5 to 7 months) of jellyfish season. {M}ain conclusions: {A}mong the current hypotheses linking jellyfish changes with anthropogenic disturbances, only the warming-based hypothesis gained support over wide space-time scales, while the eutrophication-based hypothesis mainly applied at local scales. {H}ence, biogeographical patterns of {R}. pulmo are shaped by the latitudinal temperature gradient, while the species bloom dynamics echo variations in ecoregion thermal regimes.},
  keywords = {{B}lack {S}ea ; cnidarian biogeography ; gelatinous carnivore proliferations ; global anthropogenic changes ; {M}editerranean {S}ea ; warming ; {EUROPE} ; {MEDITERRANEE} ; {MER} {NOIRE}},
  booktitle = {},
  journal = {{G}lobal {E}cology and {B}iogeography},
  volume = {30},
  numero = {3},
  pages = {622--639},
  ISSN = {1466-822{X}},
  year = {2021},
  DOI = {10.1111/geb.13241},
  URL = {https://www.documentation.ird.fr/hor/fdi:010080596},
}