Innovative In Situ and Ex Situ Conservation Strategies of the Madonie Fir Abies nebrodensis

Author:

Frascella Arcangela,Della Rocca Gianni,Barberini SaraORCID,Emiliani GiovanniORCID,Secci Stefano,Lambardi Maurizio,Benelli CarlaORCID,Tarraf WaedORCID,Izgu TolgaORCID,Schicchi Rosario,Germanà Maria Antonietta,Jouini Nourhene,Amato Filippo,Di Noto Giuseppe,La Placa Gaetano,Geraci Anna,Bonomo Peppuccio,Arista Montserrat,Balao FranciscoORCID,Terrab AnassORCID,Del Valle Jose C.,Lo Meo Vincenzo,Danti RobertoORCID

Abstract

Abies nebrodensis (Lojac.) Mattei is an endemic species of the north-west of Sicily located in an 84 ha area in the Madonie Regional park. The current population is limited to 30 relic adult trees and a fluctuating number of juveniles of natural regeneration. The species is defined as “Critically Endangered” in the Italian list of threatened plants and is classified as CR-D in the 2000 IUCN Red List of Threatened Species. This article reports the key action undertaken by the LIFE4FIR project aimed at preserving A. nebrodensis, and the results obtained so far in three years of activity. OpenArrays SNPs genotyping revealed a high rate of inbreeding in the natural population and that the adult trees are genetically related. Controlled cross-pollination was consequently performed to increase the genetic variability of the progeny. Outbred offspring are currently being grown in the nursery. Reforestation has been planned by using 4000 selected outbred seedlings in 10 areas within Madonie Park to create re-diffusion cores. Support and protection of the relic population have been implemented through regular phytosanitary surveys, as well as new fencing and video surveillance systems against grazing and wild herbivores. A seedbank and cryobank for the long-term germplasm conservation have been established.

Funder

European Commission

Publisher

MDPI AG

Subject

Management, Monitoring, Policy and Law,Renewable Energy, Sustainability and the Environment,Geography, Planning and Development,Building and Construction

Reference34 articles.

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