Oak Provenances



Provenance card

FRA008 - BERCE2

Quercus petraea



Main features

Code FRA008
Name BERCE2
Native forest BERCE
Country France
Region 72
Forest type FD
Latitude (WGS84) -
Longitude (WGS84) -
Validated coordinates True
Altitude 157
Altitude min 152
Altitude max 162
Altitude precision precis
Species Quercus petraea
Number of lots 1 (click here to see lots)
Number of plots in provenance tests 40 (click here to see plots)
Number of trees in provenance tests 960 (click here to see trees)

Plot characteristics

Plot number (1989) 117
Plot number (2018) 119
Slope of the harvest plot (code) 0
Relied of the harvest plot (code) 4
Exposure of the harvest plot (code) 0
Soil name brun acide
Class depth of soil 2
Subsoil name argile à silex
Sylvoecoregion code (CODESER) B33
Great Ecological Regions code (IGN) B
UC number 1
Madsen network Yes
Code of the region of French provenance (Ducousso 2004) QPE106
Code of the region of French provenance (reference at the time of installation) 01-CR
Annual or synthetic climatic data of places of provenances
IKS variable heat demand (period 1960-1990) 3511
IKS cold resistance variable (period 1960-1990) 0
IKS variable of resistance to hydric stress (period 1960-1990) 247.951232910156
MWMT : Average temperature of the hottest month (period 1960-1990) 18.2999992370605
MCMT : Average temperature of the coldest month (period 1960-1990) 3.09999990463257
Difference between MWMT and MCMT 15.1999998092651
Annual heat/humidity ratio (period 1960-1990) 28.7999992370605
Summer heat/humidity ratio (period 1960-1990) 67.3000030517578
Summer precipitation (May to September) (period 1960-1990) 272
Number of degree-days below 0°C (period 1960-1990) 51
Number of degree-days above 5°C (period 1960-1990) 2242
Number of degree-days below 18°C (period 1960-1990) 2810
Number of degree-days above 18°C (period 1960-1990) 136
Number of annual frost-free days (period 1960-1990) 300
Duration of the frost-free (period 1960-1990) 221
Julian day of start of frost-free period (1960-1990 period) 92
Julian day of end of frost-free period (1960-1990 period) 313
Precipitation in the form of snow (period 1960-1990) 18
Minimum temperature for the whole period (period 1960-1990) -17.3999996185303
ETP Hargreaves (period 1960-1990) 734
Climatic water deficit of Hargreaves (period 1960-1990) 262
Monthly climatic data of places of provenances
Month Monthly precipitation (1960-1990) Average daily maximum temperature for the month (1960-1990) Average daily minimum temperature for the month (1960-1990)
1 69 6.09999990463257 0
2 61 7.5 0.5
3 57 11.3000001907349 2.09999990463257
4 53 14.6999998092651 4.69999980926514
5 61 18 7.5
6 53 21.7999992370605 10.6999998092651
7 51 24 12.5
8 52 23.5 12.1999998092651
9 56 20.8999996185303 10.1999998092651
10 61 15.6999998092651 6.69999980926514
11 71 10 3.40000009536743
12 69 6.5 0.800000011920929