Climate–growth relationships of silver fir (Abies alba Mill.) in marginal populations of Central Italy

Variability of Temperature and Its Impact on Reference Evapotranspiration: The Test Case of the Apulia Region (Southern Italy)

“…In accordance to the results obtained by several studies [14,18,60], the present study confirms that the changes in climate were more pronounced in the patterns of the minimum temperature. Furthermore, since the 1970s, a break period has occurred at an increasing rate.…”

“…For each confidence level, four significant classes were identified: A progressive trend analysis was performed in order to highlight variations inside the overall period [58][59][60].…”

Tree-ring patterns and climate response of Mediterranean fir populations in Central Greece

“…Similar positive correlations with precipitations of late spring and summer months report Koutavas (2013) for A. cephalonica on the island of Cephalonia, Pasho et al (2014) for A. borisii-regis in south Albania and Mazza et al (2014) and Rolland (1993) for A. alba in central Italy and in French internal Alps, respectively. The positive correlation with October and April temperatures preceding the growing season could be explained by the fact that early or late frosts respectively, often occur in these months causing cambium necrosis, which in turn negatively affect tree-ring width increase of the following growth period.…”

“…The mean sensitivity (MS), the expressed population signal (EPS) and the signal to noise ratio (SNR) suggest a clear response to environmental and stand factors. MS value can be characterized as low to intermediate, as similarly can be characterized for A. borisii-regis in southern Albania (Pasho et al, 2014) or A. alba in southern and central Italy (Battipaglia et al, 2009;Mazza et al, 2014) or A. pinsapo in Southern Spain (Linares et al, 2009). EPS values are accurate enough in relation with the raised threshold (0.85) suggested by Wigley et al (1984) as a reasonable limit for signal acceptance.…”

Douglas-fir climate sensitivity at two contrasting sites along the southern limit of the European planting range

“…According to our analysis, climate sensitivity of Douglasfir was almost half of what has been previously reported in Italy for Abies alba Mill. or Fagus sylvatica L. (Mazza et al 2014;Rita et al 2014), i.e. tree species representing the potential natural vegetation at our study sites.…”