Guyafor network

Guyafor is a network of forest research permanent plots dedicated to long term studies in forest dynamics and biodiversity.

 Forest plots have been established in French Guiana from the late 60's to recent years by Cirad, ONF and CNRS. From 2000, they are progressively integrated in the Guyafor network with standardized protocols for both tree inventories and environmental characterization. The network includes 45 plots distributed on 16 sites mainly in the coastal area.157 800 trees above 10 cm dbh are monitored within 235 ha at regular intervals (2 to 4 years). Undisturbed forest plots are monitored on all sites. Forests subjected to different logging treatments are also monitored on four sites (Paracou, Organabo, Risquetout and Montagne Tortue), providing a unique feature to this network. Recent works carried out on the Guyafor network included studies on:

  • understanding the effects of climate variability in space and time on forest dynamics, structure and functionning
  • the effects of logging practices on the carbon cycle
  • understanding patterns of tree biological diversity at specific, functional and evolutionary levels
Forest N plots Plot size Starting Year
Acarouany 1 6 2006
Arataye 6 1 1985
Arbocel 4 6.25 1989
BAFOG 5 4 1968
Kaw 4 1 2012
Laussat 1 4 2009
Montagne Plomb 1 6 2005
Montagne Tortue 3 4 2002
Nouragues 22 1 1993
Organabo 6 4 1997
Paracou 1-15 15 6.25 1984
Paracou 16 1 25 1993
Regina 3 4 2003
Risquetout 6 4 1995
Tibourou 1 6 2007
Trinité 1 4 2011

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