@article{fdi:36696, title = {{R}eproductive cycles of the bivalve molluscs {A}tactodea striata ({G}melin), {G}afrarium tumidum {R}{\¨o}ding and {A}nadara scapha ({L}.) in {N}ew {C}aledonia}, author = {{B}aron, {J}{\'e}r{\^o}me}, editor = {}, language = {{ENG}}, abstract = {{M}onthly samples of the bivalves #{A}tactodea striata$, #{G}afrarium tumidum$ and #{A}nadara scapha$ were collected over 1 year from the littoral zone on the {S}outh-{W}estern coast of {N}ew {C}aledonia. #{A}. striata$ and #{G}. tumidum$ were studied by macroscopic examination of gonads and microscopic examination of gamete smears. {F}or #{A}. scapha$, only microscopic examination was use. #{A} striata$ and #{G}. tumidum$ are dioecious, whereas #{A}. scapha$ is a protandric hermaphrodite. {S}exual differentiation begins at a shell lenght of 20 mm for #{A}. striata$ and #{G}. tumidum$ aand 22 mm for #{A}. scapha$. {T}he three species have an extended or continuous breeding period, although, in all three, sexual activity peaks in the hot season. ({R}{\'e}sum{\'e} d'auteur)}, keywords = {{REPRODUCTION} ; {APPAREIL} {REPRODUCTEUR} ; {GAMETE} ; {ALLOMETRIE} ; {SEX} {RATIO} ; {MOLLUSQUE} {MARIN} ; {NOUVELLE} {CALEDONIE}}, booktitle = {}, journal = {{A}ustralian {J}ournal of {M}arine and {F}reshwater {R}esearch}, volume = {43}, numero = {}, pages = {393--402}, year = {1992}, DOI = {10.1071/{MF}9920393}, URL = {https://www.documentation.ird.fr/hor/fdi:36696}, }