@article{PAR00003006, title = {{M}icrobialites and microbial communities: {B}iological diversity, biogeochemical functioning, diagenetic processes, tracers of environmental changes}, author = {{C}amoin, {G}ilbert and {G}autret, {P}.}, editor = {}, language = {{ENG}}, abstract = {{T}his special issue is dedicated to microbialites and microbial communities and addresses their biological diversity, their biogeochemical functioning, their roles in diagenetic processes and their environmental significance. {I}t is the logical successor of the special issue that one of us edited after the workshop on "{M}icrobial mediation in carbonate diagenesis" which was held in {C}hichilianne ({F}rance) in 1997 ({C}amoin, {G}., {E}d., 1999. {M}icrobial mediation in carbonate diagenesis. {S}edim. {G}eol., 126, 1-334). {T}he following set of papers arose from a multidisciplinary international workshop entitled "{M}icrobialites and microbial communities in sedimentary systems: biological diversity, biogeochemical functioning, diagenetic processes, tracers of environmental changes" that was held in {P}aris, {F}rance, in {S}eptember 2004 ({G}. {C}amoin and {P}. {G}autret, convenors). {T}his meeting was sponsored by the {F}rench {G}eological {S}ociety ({S}oci{\'e}t{\'e} {G}{\'e}ologique de {F}rance, {SGF}), the {F}rench {A}ssociation of {S}edimentologists ({A}ssociation des {S}{\'e}dimentologistes {F}ran{\c{c}}ais, {ASF}) and the {F}rench {N}ational {P}rogram on {C}oastal {E}nvironments ({P}rogramme {N}ational {E}nvironnement {C}{\^o}tier, {PNEC}). {T}he goals of this {W}orkshop were: 1) to review the knowledge concerning modern and fossil microbial communities and microbialites that occur in various sedimentary environments (marine realm, thermal springs, lakes, rivers, deserts, karsts etc.), and 2) to establish a prospective regarding the research activities to be developed in various fields concerning the study of microbial communities and microbialites: their biological diversity, their biogeochemical functioning, their implication in the cycles of elements, the diagenetic processes that characterize these structures and the control exerted by environmental and climatic parameters both on their composition and their distribution in time and space. {T}his {W}orkshop has been attended by 70 participants from 11 countries ({B}elgium, {F}rance, {G}ermany, {U}nited {S}tates, {H}ungary, {I}reland, {I}taly, {T}he {N}etherlands, {P}oland, {S}witzerland and {U}nited {K}ingdom) with diverse specialities (sedimentology, geochemistry, biology, biochemistry, oceanography, microbiology) and research interests (from {P}recambrian to modern environments and from natural settings to laboratory experimentation). 52 talks and several open discussions concerned the following interrelated topics, among many, on microbialites : their biological diversity, their biogeochemical functioning, their growth patterns and development, their environmental significance, and the microbial diagenesis and diagenetic processes in microbialites. {T}he abstracts were assembled in a {S}pecial {P}ublication of the {A}ssociation of {F}rench {S}edimentologists ({C}amoin and {G}autret, {E}ds, 2004. {M}icrobialites and microbial communities in sedimentary systems, {A}.{S}.{F}. {S}p. {P}ubl., 46).}, keywords = {}, booktitle = {}, journal = {{S}edimentary {G}eology}, volume = {185}, numero = {}, pages = {127--130}, year = {2006}, DOI = {10.1016/j.sedgeo.2005.12.007}, URL = {https://www.documentation.ird.fr/hor/{PAR}00003006}, }