@article{fdi:010065391, title = {{T}ank bromeliads as natural microcosms : a facultative association with ants influences the aquatic invertebrate community structure}, author = {{T}alaga, {S}. and {D}ezerald, {O}. and {C}arteron, {A}. and {P}etitclerc, {F}. and {L}eroy, {C}{\'e}line and {C}ereghino, {R}. and {D}ejean, {A}.}, editor = {}, language = {{ENG}}, abstract = {{M}any tank bromeliads have facultative relationships with ants as is the case in {F}rench {G}uiana between {A}echmea aquilega ({S}alib.) {G}riseb. and the trap-jaw ant, {O}dontomachus haematodus {L}innaeus. {U}sing a redundancy analysis, we determined that the presence of {O}. haematodus colonies is accompanied by a greater quantity of fine particulate organic matter in the water likely due to their wastes. {T}his increase in nutrient availability is significantly correlated with an increase in the abundance of some detritivorous taxa, suggesting a positive bottom-up influence on the aquatic macroinvertebrate communities living in the {A}. aquilega wells. {O}n the other hand, the abundance of top predators is negatively affected by a lower number of available wells due to ant constructions for nesting, releasing a top-down pressure that could also favor lower trophic levels.}, keywords = {{A}echmea ; {A}nt-bromeliad associations ; {O}dontomachus ; {P}hytotelm ; {A}quatic communities ; {GUYANE} {FRANCAISE}}, booktitle = {}, journal = {{C}omptes {R}endus {B}iologies}, volume = {338}, numero = {10}, pages = {696--700}, ISSN = {1631-0691}, year = {2015}, DOI = {10.1016/j.crvi.2015.05.006}, URL = {https://www.documentation.ird.fr/hor/fdi:010065391}, }