@article{fdi:010049662,
  title = {{T}ransfer of mercury and methylmercury along macroinvertebrate food chains in a floodplain lake of the {B}eni {R}iver, {B}olivian {A}mazonia},
  author = {{M}olina, {C}. {I}. and {G}ibon, {F}ran{\c{c}}ois-{M}arie and {D}uprey, {J}ean-{L}ouis and {D}ominguez, {E}. and {G}uimaraes, {J}. {R}. {D}. and {R}oulet, {M}arc},
  editor = {},
  language = {{ENG}},
  abstract = {{W}e have evaluated the mercury and methylmercury transfers to and within the macroinvertebrate communities of a floodplain lake of the {B}eni {R}iver basin, {B}olivia, during three hydrological seasons and in two habitats (open water and vegetation belt). {U}sing the stable isotopes delta {C}-13 and delta {N}-15, six trophic chains were identified during a previous study. {F}our are based on only one source: seston, organic matter from the bottom sediment, periphyton and macrophytes. {T}wo are based on mixed sources (seston and periphyton in one case, periphyton and macrophytes in the other). {D}uring sampling, we found only one taxon that had surface sediment organic matter as food source and very few taxa whose trophic source was constituted by macrophytes. {T}he periphyton was the most important source during all seasons; it produced the longest chain, with three trophic positions. {W}hatever the season and trophic source, all collected macroinvertebrates contained methyl mercury and the latter was biomagnified in all trophic chains that we identified. {T}he biomagnification of methylmercury through invertebrate trophic chains accurately reflected the existence and length of these chains. {B}iomagnification was virtually non-existent in the sediment-based chain, low and restricted to the dry season in the macrophyte-based chain. {I}t was significant in the seston-based chain, but limited by the existence of only two trophic levels and restricted to the wet season. {F}inally, it was very effective in the periphyton-based chain, which offers the highest rate of contamination of the source but, above all, the largest number of trophic levels.},
  keywords = {{S}eston ; {P}eriphyton ; {M}acrophytes ; {S}ediment ; {M}acroinvertebrates ; {T}rophic chain},
  booktitle = {},
  journal = {{S}cience of the {T}otal {E}nvironment},
  volume = {408},
  numero = {16},
  pages = {3382--3391},
  ISSN = {0048-9697},
  year = {2010},
  DOI = {10.1016/j.scitotenv.2010.04.019},
  URL = {https://www.documentation.ird.fr/hor/fdi:010049662},
}