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Both male and female clones are grown. This is the tree most commonly grown in Great Britain and Ireland as Lombardy poplar. [11] 'Manchester' is a cultivar of P. nigra subsp. betulifolia widely planted in northwest England. It is a male clone, and currently seriously threatened by poplar scab disease. [12] [13]
France is Europe's leading poplar producer. Although poplars account for no more than 3% of the country's hardwood forest area, on an annual average they supply more than 20% of its timber production (mainly peeled wood). In the early 2000s poplar plantations accounted for almost 22 mm 3 of standing area and annual production of around 2.8 mm 3 ...
Populus is a genus of 25–30 species of deciduous flowering plants in the family Salicaceae, native to most of the Northern Hemisphere.English names variously applied to different species include poplar (/ ˈ p ɒ p l ər /), aspen, and cottonwood.
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Lombardy by altimetric zones. Lombardy is an administrative region of Italy that is split into four geographic regions — mountains, alpine forest, and the upper and lower plains south of the Po river. These are crossed and dotted by dozens of rivers and lakes, the latter of which include some of the largest in Italy.
Lombardy is the first [13] region of Italy in terms of economic importance. [14] As of 2021, the gross regional product (GRP) of Lombardy was equal to over €366 billion and accounted for about 22% of Italy's total GDP. Lombardy's 2021 GRP was €36,500 per person, more than 25% higher than the national average of €25,729. [72]
The Trees of Europe. For the purposes of this category, "Europe" is defined in accordance with the World Geographical Scheme for Recording Plant Distributions (WGSRPD) namely as one of the nine "botanical continents". It excludes Eastern Aegean Islands and Cyprus, which although geopolitically part of Europe are considered floristically part of ...