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Site:AR15

REINFFORCE - Arboretum - Domaine des Agreaux
Municipality: Retjons
Region: Aquitaine
Country: France
Website: http://www.u-bordeaux1.fr/univercite/patrimoine/patrimoine-vegetal.html
Partner in charge of the site: INRA

Site characteristics

Altitude (m): 110
Topography: plane
Orientation: FLAT
Slope: 0.0
Hydrology: none
South containment: 0
Soil type: PODZOLS
Soil sub-type: albic-entic
Parent rock: eolian sands
Soil depth (cm): 60

Climate

Average temperature (°C): 12.3
Average precipitation (mm): 680
Number of frost days: 53
Reference period for climatic data: 1983-2013

History of the site

This is an old private maritime pine stand recently harvested, and where the stumps were not removed. The arboretum is installed on a humid/heath land covered with 80% fern . Hardpan (alios) was observed at 55cm depth. It is also located within an experimental forest which is under an agreement between the owner, INRA forest research and the agricultural school of Bordeaux(Bordeaux Sciences Agro) to promote actions for research and education.This site was chosen because it has little slope and easy access. The plot has been fenced off to avoid damages caused by wild animals
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