Bell-shaped tree-ring responses to air temperature drive productivity trends in long-lived mountain Mediterranean pines

Piovesan, Gianluca; Rita, Angelo; Biondi, Franco; Baliva, Michele; Borghetti, Marco; Brunetti, Michele; Vivo, Giuseppe De; Filippo, Alfredo Di; Dinella, Anna; Gentilesca, Tiziana; Maugeri, Maurizio; Palli, Jordan; Piotti, Andrea; Saba, Emanuele Presutti; Ripullone, Francesco; Schettino, Aldo; Vendramin, Giovanni G.

doi:10.1016/j.scitotenv.2023.164103

Cited by 3 publications

(2 citation statements)

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“…The correlation between D A and GI only found in A. alba may reflect the peculiar spatial genetic structure observed in this species, where highly differentiated genetic clusters were described as separated by a steep genetic barrier in central Apennines (Piotti et al, 2017). In contrast, low levels of differentiation and extensive gene flow have been described in both P. heldreichii populations (Piovesan et al, 2023) and Q. robur , particularly across the Po plain in northern Italy (Avanzi et al, 2023). This finding suggests the potential usefulness of relying on both PAr and D A in priority setting when demographic inference supports the occurrence of moderate to high genetic differentiation between sites (e.g., when F ST >0.1).…”

Section: Discussionmentioning

confidence: 99%

“…Abies alba was genotyped at 16 nuclear short sequence repeats (nSSRs), resulting in 145 alleles (Piotti et al, 2017; Santini et al, 2018), P. heldreichii at 12 nSSRs (89 alleles; Piovesan et al, 2023), and Q. robur at 16 nSSRs (245 alleles; Avanzi et al, 2023). The details about genotyping and standard population genetic analyses can be found in the above-mentioned references.…”

Section: Methodsmentioning

confidence: 99%

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Spatial conservation planning of forest genetic resources in a Mediterranean multi-refugial area

Vajana,

Andrello,

Avanzi

et al. 2023

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The Kunming-Montreal Global Biodiversity Framework recognised the urgency of taking action to conserve intraspecific genetic diversity (IGD) as an insurance against habitat degradation and environmental change. Recent work suggests that 90-99% of IGD should be conserved to safeguard viability of future generations.Here, we addressed such conservation issue in three forest tree species in Italy: silver fir (Abies albaMill.), Heldreich’s pine (Pinus heldreichiiH. Christ), and pedunculate oak (Quercus roburL.). We used microsatellite markers to measure IGD of 36 (A. alba), 15 (P. heldreichii) and 25 (Q. robur) natural sites, including several putative glacial refugia. We developed a Spatial Conservation Prioritisation (SCP) analysis to quantify the genetic irreplaceability of each site and identify the minimum set coverage ensuring IGD protection. Finally, we compared SCP results with the contributions to diversity within and between sites, total allelic richness and private allelic richness.We found that between 44% and 73% of sites were required to conserve 90-99% of the alleles, and that this conservation effort held even when targeting lower percentages of alleles to protect (50-75%). Glacial refugia were often included in the minimum set coverage, confirming theoretical and biogeographical expectations. Finally, sites with high genetic irreplaceability were found to have higher private allelic richness on average. These results are discussed in the light of the biogeographic history of the species studied and the current policies for the conservation of forest genetic resources.

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Section: Discussionmentioning

confidence: 99%