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This paper aims to identify the hazelnut characteristics of four different populations (A?l?-Tunuslar, A?l?-M?sellimler, Ara?-G?zl?k and Tosya-K???ksekiler) in the North Western Black Sea Region of Turkey, one of the most important areas... more
This paper aims to identify the hazelnut characteristics of four different populations (A?l?-Tunuslar, A?l?-M?sellimler, Ara?-G?zl?k and Tosya-K???ksekiler) in the North Western Black Sea Region of Turkey, one of the most important areas of economic interest for this species. There, the Turkish hazel (Corylus colurna L.) grows in its optimal conditions and reveals relatively high inter-population and intra-population variation in terms of nut characteristics. With the purpose of assessing variation, measurements were performed in four populations in Kastamonu district on 14 different nut characteristics (number of nuts per cluster, nut length (mm), nut width (mm), nut thickness (mm), shell thickness (mm), nut size (mm), nut shape, compression index, nut weight (g), kernel length (mm), kernel width (mm), kernel thickness (mm), kernel weight (g) and kernel ratio (%) of representative samples of the populations. Significant differences were found out among populations with regard to al...
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Phenology, the study of recurrent biological events and biotic and abiotic factors that determine them, allows to know how a species respond to seasonal environmental events. In phenological traits analysis, the variance components due to... more
Phenology, the study of recurrent biological events and biotic and abiotic factors that determine them, allows to know how a species respond to seasonal environmental events. In phenological traits analysis, the variance components due to the climate effects as well as the genetic one are important. These traits are characterized by high heritability and genetic variability and are considered important adaptive traits, able to influence species distribution and fitness in response to variations of air temperature and water availability. The monitoring of phenology is considered a useful tool to investigate the species adaptability in a climate change scenario.
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ABSTRACT invited speach at the conference, "Better integration of ex situ and in situ approaches towards conservation and soustainable use of GR at national and EU level: from complemantarity to synergy. Brussels, 3 June 2015 .
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This study aims i) to study the inter and intra-population variability of annual cork growth rate in relation to climatic anomalies and ii) to identify possible adaptive traits in order to drive strategic breeding programmes to favour... more
This study aims i) to study the inter and intra-population variability of annual cork growth rate in relation to climatic anomalies and ii) to identify possible adaptive traits in order to drive strategic breeding programmes to favour species adaptation.
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Forests play a crucial part in resilient landscapes at multiple scales. Restoring forest ecosystems is therefore a key strategy not only for tackling climate change, biodiversity loss and desertification, but can also yield products and... more
Forests play a crucial part in resilient landscapes at multiple scales. Restoring forest ecosystems is therefore a key strategy not only for tackling climate change, biodiversity loss and desertification, but can also yield products and services that support local people’s livelihoods. Restoration is not only about planting trees. Its success requires careful planning, as painfully demonstrated by numerous past restoration projects that have not attained expected goals. Restoration practices must be based on scientific knowledge, particularly so in these times of progressive climate change. The trees we plant today and other associated measures for restoration and rehabilitation of degraded ecosystems must be able to survive abiotic and biotic pressures, including social ones, in order to be self-sustaining and generate the products and services vital to supporting the world’s population and environment for the years to come. Biodiversity International coordinated this thematic stud...
The Cost Action FP1202 "Strengthening conservation: a key issue for adaptation of marginal/peripheral populations of forest trees to climate change in Europe (MaP-FGR)" aoims and principia are reported and commented.
Marginal and Peripheral (MaP) forest populations, are a very important resource to be investigated and preserved. Their genetic structure, their adaptability to particular local climate conditions and ecological dynamics will play a key... more
Marginal and Peripheral (MaP) forest populations, are a very important resource to be investigated and preserved. Their genetic structure, their adaptability to particular local climate conditions and ecological dynamics will play a key role to understand species adaptability in view of climate change effects on forest ecosystems. In addition, many are located in Mediterranean area, well known as biodiversity hotspot. Pinus nigra ssp. nigra var. italica is naturally distributed only in Abruzzo Region, around the small town of Villetta Barrea, and represents an i) altitudinally marginal and ii) geographically isolated population, due to its distance from the core of the natural distribution of Black pine in Europe. With the aim to study the most probably interactions between MaPs and the effects of global change in the Mediterranean area, the above-mentioned population has been analysed and treated as study-case. WorldClim climatic data were tested against those derived from regional...
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There has been an increase in wild cherry cultivation over recent decades, revealing a need for improvements in planting material to be used for the production of high quality timber. To date, trial tests have been carried out mainly on... more
There has been an increase in wild cherry cultivation over recent decades, revealing a need for improvements in planting material to be used for the production of high quality timber. To date, trial tests have been carried out mainly on growth and tree architectural traits, while no investigations have focused on wood properties. The present study investigated the variability of
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... Fulvio Ducci,1*Roberta Proietti1, Paolo Cantiani1 ... La popolazione è stata studiata nelle sue componenti interne e messa a confronto, per i parametri genetici principali (n. alleli/locus, % loci polimorfici, eterozigosi, indici di... more
... Fulvio Ducci,1*Roberta Proietti1, Paolo Cantiani1 ... La popolazione è stata studiata nelle sue componenti interne e messa a confronto, per i parametri genetici principali (n. alleli/locus, % loci polimorfici, eterozigosi, indici di fissazione, quantità di alleli rari, assenti e quasi rari ...
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Wild cherry ( Prunus avium L.) is one of the main hardwood species investigated in Europe since the beginning of the 1980s. Wild cherry wood is highly sought after for aesthetic applications such as panelling and cabinet-making, compared... more
Wild cherry ( Prunus avium L.) is one of the main hardwood species investigated in Europe since the beginning of the 1980s. Wild cherry wood is highly sought after for aesthetic applications such as panelling and cabinet-making, compared to tropical wood s or other valuable European broadleaved species like walnut. In addition, the economic value is second only to walnut in the panorama of valuable European timbers. Consequently, foresters’ interest in the species is ever increasing and the use of wild cherry has spread widely throughout Europe, from Great Britain to Italy, and from Spain to Eastern Europe. Breeding activities are here reported together with the mani features concerning the species. With the contribution of: Joukje Buiteveld (Alterra, NL), Oscar Cisneros (JCYL, ES), Olivier Desteucq (CRNFB, BE), Raquel Díaz (Cifal, ES), Elena Foffova (NLC, SK), Helmut Grotehusman (NW-FVA, DE), Jan Kowalczic (IBL, PL), Dierk Kownazki (NFW, DE), Georghe Parnuta (ICAS, RO), Marijke Ste...
Understanding tree species responses to climate change is crucial for preserving biodiversity especially in Southern Europe hot spots where Abies alba is widely spread. Three Apennine silver fir populations, Pigelleto (PIG), La Verna (LV)... more
Understanding tree species responses to climate change is crucial for preserving biodiversity especially in Southern Europe hot spots where Abies alba is widely spread. Three Apennine silver fir populations, Pigelleto (PIG), La Verna (LV) and Bocca Trabaria (BT), ensured gene flows in interglacial periods between the two phylogenetically different groups of northern and southern Apennines. These stands were analysed (nuclear and chloroplast SSRs) with the aim to establish a baseline for their future management in view of the expected changes. The three forests were tested for the Centre-Periphery Hypothesis (CPH) compared to forty-five Italian populations. At the same time, permanent areas were surveyed within LV and PIG on dominant (a) and dominated or natural regeneration (r) tree layers, and on age classes. In two consecutive years, spring cambial phenology activity was also weekly monitored on microcores, and critical phenology dates recorded. The stands matched CPH only partial...
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Global change effects can determine major changes in species distribution and productivity. In the Mediterranean region of the severity of hot and dry periods is growing and an increased frequency of extreme events and a major... more
Global change effects can determine major changes in species distribution and productivity. In the Mediterranean region of the severity of hot and dry periods is growing and an increased frequency of extreme events and a major vulnerability of natural ecosystems is evident. Cork oak ( Quercus suber L.) is widely spread in the West Mediterranean region and its economic and social is important.
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Marginal/peripheral (MaP) forest populations exist at the edge of species ranges, and may contain unique genetic diversity arising from adaptation to the adverse and unusual in the regions which they inhabit. The effects of climatic and... more
Marginal/peripheral (MaP) forest populations exist at the edge of species ranges, and may contain unique genetic diversity arising from adaptation to the adverse and unusual in the regions which they inhabit. The effects of climatic and other global changes are likely to be increasingly significant, and will affect forest tree species and their marginal populations. Studying adaptive processes in MaP populations is crucial and of mutual interest for European and non-European countries to understanding the evolution of species, and for the development of forest genetic resources (FGR) conservation, management strategies, and networks to cope with global change. These populations are threatened not only by global warming, but by various other threats arising from human activities. Because of their millennia-long history of adaptation to environmental changes, FGR growing in Europe may prove invaluable for adapting the forestry sector.
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The purpose of this review is to examine a few aspects of global change effects on forest genetic resources and their interaction. Genetic resources can provide many opportunities for the development of adaptive forest management in the... more
The purpose of this review is to examine a few aspects of global change effects on forest genetic resources and their interaction. Genetic resources can provide many opportunities for the development of adaptive forest management in the Mediterranean region. At the same time, forestry and its various disciplines can offer manifold chances to develop methods and techniques for the in situ and ex situ protection, as well as for the correct management of species and populations at risk because of climate change. Among these aspects, the studies on the Marker Assisted Selection are particularly taken into consideration, as well as the phenotypic plasticity and the different types of assisted migration. A special emphasis is given to genetic resources growing at marginal peripheral populations, which need to be safeguarded as possible containers of adaptive diversity. They are subjected, in fact, to an extreme climatic stress more than others.