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Site:AR16

REINFFORCE - Arboretum - Domaine d'Ognoas
Municipality: Le Frêche
Region: Aquitaine
Country: France
Website: http://www.u-bordeaux1.fr/univercite/patrimoine/patrimoine-vegetal.html
Partner in charge of the site: INRA
Responsible name: Frederic Bernier

Site characteristics

Altitude (m): 64
Topography: plane
Orientation: SW
Slope: 2.0
Hydrology: free draining with ditch inside arboretum
South containment: 0
Soil type: CAMBISOLS
Soil sub-type: dystric-eutric
Parent rock: river terrace sand or gravel
Soil depth (cm): 60

Climate

Average temperature (°C): 12.6
Average precipitation (mm): 918
Number of frost days: 53
Reference period for climatic data: 1950-2000

History of the site

The site is installed on an old grassland which is bisected by a ditch and where individual protections have been installed to avoid damages caused by wild animals. The arboretum is situated on the “domain of Ognoas”, which is owned by the General Council of the Landes. This forest and agriculture area mainly produces Armagnac (wine grape) and it also hosts other forestry devices for research and development. This site was chosen because it has little slope and easy access.
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Provenances on site

Provenance N Provenance
Acer pseudoplatanus 5
Betula pendula 4
Calocedrus decurrens 2
Castanea sativa 4
Cedrus atlantica 3
Cedrus libani subsp. brevifolia 1
Cedrus libani subsp. libani 4
Ceratonia siliqua 3
Cunninghamia lanceolata 1
Cupressus sempervirens 4
Eucalyptus globulus 2
Eucalyptus gundal 2
Eucalyptus nitens 4
Fagus sylvatica subsp. orientalis 3
Larix decidua 6
Liquidambar styraciflua 4
Pinus brutia 6
Pinus caribaea var. hondurensis 1
Pinus elliottii 2
Pinus nigra subsp. laricio 3
Pinus nigra subsp. salzmannii 4
Pinus peuce 1
Pinus pinaster 8
Pinus pinea 3
Pinus ponderosa 6
Pinus sylvestris 6
Pinus taeda 5
Pseudotsuga menziesii 11
Quercus ilex subsp. rotundifolia 5
Quercus petraea subsp. petraea 3
Quercus robur 6
Quercus rubra 2
Quercus shumardii 1
Quercus suber 5
Robinia pseudoacacia 8
Sequoia sempervirens 4
Thuja plicata 6