%0 Book Section %9 OS CH : Chapitres d'ouvrages scientifiques %A Carbonel, P. %A Mourguiart, Philippe %A Peypouquet, J.P. %T The external mechanisms responsible for morphological variability in recent ostracoda : seasonality and biotope situation : an example from lake Titicaca %B Ostracoda and global events %C Londres %D 1990 %E Whatley, R. %E Maybury, C. %L fdi:010025386 %G ENG %I Chapman %K OSTRACODE ; MORPHOLOGIE ; HOLOCENE ; BIOTOPE ; ENVIRONNEMENT ; VARIATION SAISONNIERE ; SAISON HUMIDE ; SAISON SECHE %K PALEOFAUNE %K BOLIVIE ; PEROU ; ZONE TROPICALE %K TITICACA LAC %P 331-340 %U https://www.documentation.ird.fr/hor/fdi:010025386 %> https://horizon.documentation.ird.fr/exl-doc/pleins_textes/pleins_textes_7/b_fdi_57-58/010025386.pdf %W Horizon (IRD) %X The environmental mechanisms directly responsible for variations recorded in the ornamentation of ostracos are well known. They concern mainly the carbonate equilibrium at the water/sediment interface (reticulation phenomenon sensu lato) and the impact of the input of fine-grained and all allochthonous matter on biotopes (nodation and microconation phenomena) (Resume d'auteur). %$ 064GEOQUA