Provenance variation and seed sourcing for sessile oak (Quercus petraea (Matt.) Liebl.) in France

Girard, Quentin; Ducousso, Alexis; de Gramont, Clothilde Boubée; Louvet, Jean Marc; Reynet, Patrick; Musch, Brigitte; Kremer, Antoine

doi:10.1186/s13595-022-01140-0

Annals of Forest Science

Table 3 Pearson correlation coefficients between provenance trait values and geographic and climatic variables (values indicated by superscript ^a are significant at p < 0.01); values indicated by superscript ^b are significant at p < 0.05)

From: Provenance variation and seed sourcing for sessile oak (Quercus petraea (Matt.) Liebl.) in France

		aCIR10_20		DEB3		HT20		SURV10		SHP20
		WS^c	RS^d	WS	RS	WS	RS	WS	RS	WS	RS
Geographic coordinates
LONG	Longitude	−0.22	−0.27^a	0.16	0.11	−0.39^a	−0.30^a	−0.16	−0.05	0.37^b	−0.07
LAT	Latitude	−0.36^a	−0.35^a	−0.51^a	−0.50^a	−0.10	−0.13	0.29^a	0.24^b	0.28^a	0.14
ALT	Altitude	−0.05	−0.09	0.37^a	0.35^a	−0.12	−0.09	−0.23^b	−0.20	−0.21^b	−0.10
Temperature and heat related variables
MAT	Mean annual temperature	0.35^a	0.43^a	0.16	0.16	0.15	0.24	−0.05	−0.03	−0.12	−0.05
SPRMT	Mean spring temperature	0.42^a	0.44^a	0.26^a	0.23^b	0.22^b	0.26^b	−0.09	−0.05	−0.16	−0.10
DD5	Year degree days >5°C	0.36^a	0.40^a	0.30^a	0.27^a	0.07	0.15	−0.13	−0.05	−0.29^a	−0.13
GSDD5	Growing season degree days >5°C	0.35^a	0.36^a	0.36^a	0.31^a	0.05	0.13	−0.15	−0.05	−0.36^a	−0.18
MDR	Mean diurnal temperature range^e	0.43^a	0.32^a	0.53^a	0.48^a	0.10	0.03	−0.38^a	−0.32^a	−0.29^a	−0.18
ISO	Isothermality^f	0.29^a	0.43^a	0.01	0.09	0.25^a	0.27^a	−0.05	−0.15	0.18	0.06
SEA	Temperature seasonality^g	−0.03	−0.26^b	0.29^a	0.19	−0.19^b	−0.27^a	−0.16	−0.01	−0.35^a	−0.18
Precipitation and moisture related traits
MAP	Annual precipitation	−0.28^a	0.02	−0.14	0.10	−0.17	−0.02	0.08	−0.13	0.08	−0.05
GSP	Growing season precipitation	−0.33^a	0.18	0.00	0.11	−0.28^a	−0.16	0.02	−0.05	−0.20^b	−−0.18
SPRP	Spring precipitation	−0.15	−0.03	0.21^b	0.28^a	−0.24^b	−0.11	−0.10	−0.12	−0.29^a	−0.17
SMRP	Summer precipitation	−0.42^a	−0.29^a	−0.22^b	0.09	−0.26^a	−0.18	0.14	0.04	−0.05	−0.15
PRATIO	GSP/MAP	−0.10	−0.27^a	0.11	0.01	−0.18	−0.21^b	−0.02	0.12	−0.32^a	−0.16
PSEA	Precipitation seasonality^h	−0.46^a	−0.32^a	−0.05	0.05	−0.54^a	−0.40^a	−0.01	−0.03	−0.23^b	−0.10
Balance between heat and moisture
AHM	Annual heat moisture indexⁱ	0.33^a	0.17	0.13	−0.03	0.18	0.11	−0.04	0.11	−0.11	−0.01
ADI	Annual dryness index^j	0.32^a	0.15	0.19	0.04	0.13	0.07	−0.06	0.10	−0.18	−0.04
GSDI	Growing season dryness index^k	0.42^a	0.29^a	0.15	0.04	0.27^a	0.19	−0.09	−0.00	0.03	0.08

^cWhole sample of provenances
^dRestricted sample (Provenances from Georgia and Ireland omitted)
^eMean of monthly (maximum temperature−minimum temperature)
^fMean diurnal range/ annual temperature range (in %)
^gStandard deviation of monthly temperatures (x100)
^hCoefficient of variation of monthly precipitations
ⁱ(MAT+10)/(MAP/1000)
^jSqrt(DD5)/MAP
^kSqrt(GSDD5)/GSP

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