This review is based on a field visit to the project carried out between 16 and 27 February 2005, with a period of 7 days at the project site. 2. In its original form, the project aimed to determine the comparative biodiversity, above ground carbon-sequestration and hydrological impacts in 3 forest types primary forest, secondary forest and plantation around Jari, ParÃ¡, Brazil. There were three collaborators; the principal contractor was University of East Anglia with Museu Paraense Emilio Goeldi (MPEG) as the primary research partner and Jari Celulose (JC) as the land owner and forest manager. The proposal was accepted in 2003 and ran from May 2003 to April 2006.