Oak Provenances



Provenance card

FRA017 - BLOIS2

Quercus petraea



Main features

Code FRA017
Name BLOIS2
Native forest BLOIS
Country France
Region 41
Forest type FD
Latitude (WGS84) -
Longitude (WGS84) -
Validated coordinates True
Altitude 113.5
Altitude min 109
Altitude max 118
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 966 (click here to see trees)

Plot characteristics

Plot number (1989) 136
Plot number (2018) 136
Slope of the harvest plot (code) 0
Relied of the harvest plot (code) 4
Exposure of the harvest plot (code) 0
Soil name brun lessivé
Class depth of soil 3
Subsoil name argile à silex
Sylvoecoregion code (CODESER) B62
Great Ecological Regions code (IGN) B
UC number 0
Madsen network No
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) 3608
IKS cold resistance variable (period 1960-1990) 1.14678609371185
IKS variable of resistance to hydric stress (period 1960-1990) 252.114120483398
MWMT : Average temperature of the hottest month (period 1960-1990) 18.7000007629395
MCMT : Average temperature of the coldest month (period 1960-1990) 3
Difference between MWMT and MCMT 15.6999998092651
Annual heat/humidity ratio (period 1960-1990) 31.2000007629395
Summer heat/humidity ratio (period 1960-1990) 69
Summer precipitation (May to September) (period 1960-1990) 271
Number of degree-days below 0°C (period 1960-1990) 52
Number of degree-days above 5°C (period 1960-1990) 2340
Number of degree-days below 18°C (period 1960-1990) 2727
Number of degree-days above 18°C (period 1960-1990) 161
Number of annual frost-free days (period 1960-1990) 305
Duration of the frost-free (period 1960-1990) 230
Julian day of start of frost-free period (1960-1990 period) 87
Julian day of end of frost-free period (1960-1990 period) 317
Precipitation in the form of snow (period 1960-1990) 16
Minimum temperature for the whole period (period 1960-1990) -17
ETP Hargreaves (period 1960-1990) 737
Climatic water deficit of Hargreaves (period 1960-1990) 267
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 61 5.90000009536743 0.200000002980232
2 55 7.40000009536743 0.800000011920929
3 51 11.5 2.40000009536743
4 50 15.1999998092651 5.09999990463257
5 61 18.2999992370605 8
6 54 22.1000003814697 11.3000001907349
7 50 24.3999996185303 13
8 52 23.7000007629395 12.8999996185303
9 55 21.2999992370605 10.8999996185303
10 55 16 7.09999990463257
11 65 10 3.59999990463257
12 59 6.5 1