This volume is a compilation of papers that deal with palaeoecological aspects of Argentina and Uruguay, and that derive from the special session on the Quaternary of South America at the XIIth INQUA International Congress held in Ottawa in 1987.
1. Obituary 2. Magnetostratigraphy and magnetic susceptibility data of the late Cenozoic Ensenadense and Bonaerense sediments of Buenos Aires and La Plata, Argentina 3. Zooarchaeology and palaeoenvironments: Some examples from the Patagonian and Pampean regions (Argentina) 4. Holocene 14C reservoir effect at Beagle Channel (Tierra del Fuego, Argentina Republic) 5. Records of Pogonias cromis (Percif ormes, Sciaenidae) in Las Escobas Fm (Holocene) in Uruguay and Argentina Zoogeographical and environmental considerations 6. Oxygen-18 temperatures on present and fossil invertebrated shells from Túnel Site, Beagle Channel, Argentina 7. Fire history of Fuego-Patagonia 8. Sedimentology of Holocene littoral ridges of Bahia Samborombón (Buenos Aires Province, Argentina) 9. Human littoral adaptation in the Beagle Channel region: The maximum possible age 10. Maximal extent of late Wisconsin glaciation in the Ecuadorian Andes 11. Annual paleomagnetic record from late glacial varves in Lago 12. Quaternary vegetation of southern South America 13. Environmental history of the Amazon Basin 14. Marine terraces in Chile (22°-32°S) - Geomorphology, chronostratigraphy and neotectonics: Preliminary results II 15. Characteristics of a Pleistocene nearshore deposit: An example from southern Sao Paulo State coastal plain 16. The Holocene of Argentina: A review 17. Shoreline changes in French Guiana 18. Geological mapping of the north coastal plain of Rio Grande do Sul, southern Brazil