Ecological Processes

Table 7 Correlation coefficients (r values) of cone, seed, pine nut, geographical, and climatic variables of the five P. pinea natural populations across Turkey

From: Effects of geoclimatic factors on the variability in Pinus pinea cone, seed, and seedling traits in Turkey native habitats

Morphometric	Geographical data			Climatic data
Traits	Long.	Lat.	Alt.	AR	RJ	P	M	Q	PE	ME	S
CD	0.311	− 0.659	0.872	0.441	− 0.098	0.275	0.819	− 0.625	− 0.740	0.939*	− 0.806
CL	− 0.010	− 0.598	0.667	0.774	− 0.343	− 0.008	0.726	− 0.823	− 0.395	0.846	− 0.497
CW	− 0.047	− 0.552	0.683	0.720	− 0.396	− 0.072	0.718	− 0.820	− 0.476	0.844	− 0.563
SN	− 0.201	− 0.550	0.606	0.670	− 0.661	− 0.250	0.701	− 0.897*	− 0.432	0.758	− 0.504
ES	0.236	0.653	− 0.328	− 0.471	0.846	0.236	− 0.599	0.822	0.073	− 0.447	0.134
SY	− 0.022	− 0.609	0.730	0.545	− 0.518	− 0.081	0.772	− 0.819	− 0.598	0.837	− 0.661
SD	0.754	− 0.503	0.813	− 0.075	0.530	0.732	0.613	− 0.046	− 0.826	0.736	− 0.846
SL	0.100	− 0.585	0.771	0.595	− 0.272	0.065	0.759	− 0.736	− 0.610	0.889*	− 0.686
1000-SW	0.519	− 0.564	0.866	0.209	0.218	0.484	0.723	− 0.351	− 0.816	0.866	− 0.860
PN	− 0.254	− 0.638	0.492	0.582	− 0.848	− 0.288	0.691	− 0.923*	− 0.280	0.629	− 0.345
PW	− 0.396	− 0.339	0.395	0.889*	− 0.612	− 0.412	0.497	− 0.878	− 0.155	0.623	− 0.248
PY	− 0.295	− 0.613	0.417	0.560	− 0.884*	− 0.323	0.641	− 0.903*	− 0.200	0.554	− 0.262

Long. longitude; Lat. latitude; Alt. altitude; AR annual rainfall (mm) in the third year prior to harvest time; RJ rainfall (mm) in June of third year prior to harvest time; P mean annual rainfall in mm; M the mean of the maximum of the hottest month in °C; Q Emberger humidity category; PE sum of rainfall in June, July, and August for the period 1987–2016; ME mean of the maximum temperature of June, July, and August; S summer drought index value. For other abbreviations, please see Table 2. * and ** stating significant differences at 0.05 and 0.01 levels, respectively

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