Abstract

Pinus halepensis Mill. was introduced into regions with a Mediterranean cli- mate as an ornamental tree, and is now often found in parks and gardens. At pre- sent, Aleppo pine (Pinus halepensis Mill.) forests cover approximately 2,500,000 ha in the Mediterranean Basin, mostly at low altitudes (less than 500 m) and along the coast. It has become naturalized outside cities in North Africa to the extent that it is now listed as an invasive species there. Because of its size (over 15 m in height and 30 cm in diameter), Pinus hale- pensis could be a good potential green resource for structural material in Tunisia. The focus of this study was to assess rot resistance and the physical and mecha- nical properties of reforestation Aleppo pine from the Mediterranean basin. The Pinus halepensis wood samples studied were collected from 6 tree provenances in Tunisia for physical and mechanical characterization and from Morocco for decay and termite resistance tests. Den- sities and shrinkage were determined and mechanical and rot resistance tests performed. Preliminary results showed that Tunisian Pinus halepensis wood has great dimensional stability. Although the compressive strength of Pinus halepen- sis wood is high, its bending strength is rather low for each of the provenances. MOR in bending is lower than in other Tunisian softwood species. Finally, Pinus halepensis sapwood has low resistance to fungi and termites. This timber species could be valuable for furniture and/or as a building material provided that a wood preservation method is applied before it is used.

Highlights

  • Aleppo Pine (Pinus halepensis Mill.) is a tree species spread all around the Mediterranean basin including the islands

  • It must be noticed that only few other this study were 56.63 MPa and 73.92 MPa, respectively. durability results about Aleppo Pine wood are available in. These results show that the Northern Tunisian Aleppo Pine literature

  • The physical and mechanical features have shown a wood characterized by rather good values, highlighting that the wood is very stable and that the structural efficiency of the Tunisian Aleppo Pine wood is high, compared to that of the most utilized softwood species for structural purposes

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Summary

Introduction

Aleppo Pine (Pinus halepensis Mill.) is a tree species spread all around the Mediterranean basin including the islands. Its continental range extends from northern Africa (Morocco, Algeria, Tunisia and Libya) and Middle East (Syria, Lebanon, Jordan, Palestina and Turkey), up to southern Mediterranean Europe (eastern Greece, Croatia, southern Italy, southern France and eastern Spain) This coniferous wood species covers about 2.5 million hectares in the Mediterranean basin, mostly at low elevations (below 500 m) and along the coastline (Mitsopopoulos and Dimitrikopopoulos, 2007). This typical Mediterranean wood species, adaptable to various eco-climatic conditions, which grants it the privilege of being the most often used tree species in the Maghreb countries’ reforestation programs. Its industrial utilization rate remains low, compared to the availability of wood

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