@article{fdi:010074142, title = {{T}he same but different : stable isotopes reveal two distinguishable, yet similar, neighbouring food chains in a coral reef}, author = {{L}e {B}ourg, {B}. and {L}etourneur, {Y}. and {B}anaru, {D}. and {B}lanchot, {J}ean and {C}hevalier, {C}rist{\`e}le and {M}ou-{T}ham, {G}{\'e}rard and {L}ebreton, {B}. and {P}agano, {M}arc}, editor = {}, language = {{ENG}}, abstract = {{S}table isotope compositions were studied in particulate organic matter ({POM}), zooplankton and different trophic groups of teleosts to compare food chains based on plankton at two sites (lagoon and outer slope) in a {N}ew {C}aledonian coral reef. {F}or each trophic compartment, delta {C}-13 values were always lower in the outer slope than in the lagoon. {T}his result may be explained by potential differences in {POM} composition between the two environments, suggesting that the two food chains are based on different primary sources of carbon. {I}n contrast, delta {N}-15 values did not vary between the lagoon and the outer slope, indicating that these two food chains presented similar length and trophic levels, despite being distinguishable.}, keywords = {barrier reef ; particulate organic matter ; zooplankton ; reef teleosts ; stable isotopes ; {P}acific {O}cean ; {PACIFIQUE} ; {NOUVELLE} {CALEDONIE}}, booktitle = {}, journal = {{J}ournal of the {M}arine {B}iological {A}ssociation of the {U}nited {K}ingdom}, volume = {98}, numero = {7}, pages = {1589--1597}, ISSN = {0025-3154}, year = {2018}, DOI = {10.1017/s0025315417001370}, URL = {https://www.documentation.ird.fr/hor/fdi:010074142}, }