Multiplication and utilization of ornamental trees in central Algeria

Transcription

1 Multiplication and utilization of ornamental trees in central Algeria Houmani Z. in Heywood V.H. (ed.), Skoula M. (ed.). Identification of wild food and non-food plants of the Mediterranean region Chania : CIHEAM Cahiers Options Méditerranéennes; n pages Article available on line / Article disponible en ligne à l adresse : To cite this article / Pour citer cet article Houmani Z. Multiplication and utilization of ornamental trees in central Algeria. In : Heywood V.H. (ed.), Skoula M. (ed.). Identification of wild food and non-food plants of the Mediterranean region. Chania : CIHEAM, p (Cahiers Options Méditerranéennes; n. 23)

2 QF 2. Agronomie, The depletion of and the of the society becâuse of the intense exploitation of of aad and The expansiou ami the geat to the socio-xonomic the with a high population density, is ail in which we it is becoming difficult to find the space ïñis of the zune is accompanied by such as Thus, isolating constitute an efficient means of defense. addition, they to the of this way, the of the native plants is a significant in the choice of plants to be used in landscape management,and the choice of this the needs. This study is a to the identificationof species, used found in 0 and amenity that closed, much in the and in the in 0 that open spaces (hospitals, stadiums, schools, planted cities). The essentially used as 0 places that places of shade, 0 the avenues 0 zones the spacesconstituteameans of noise, since the plants have the capacity to polluted air. Outside situation, plants found in a spontaneous sub-spontaneous state in G spaces oueds,

3 in in the of was 1) ( Al ) ( S N ) On ( S ) ( O V ) Slopes ( S1 ) ( W S ) ( Aî) ( ) ( C ) ( ) ( ) Parks addition, we have identified the of the of of and on Le of The scientific names (Latin) of the in The 1, that - - ( X ) of ( Nu >, - - The of utilization of The indicate the of in of 1 = 20 plants 2 = 20 to 100 plants 3 = 100 to 1000 plants 4 = 1000 to 5000 plants The the of oî the * = ** = quite *** = The well little This 34

4 the spite of in a urban centres, the avenues (alignments) the main Catalpa bignonioides Celtis australis Citharexylum quadrangulare Citrus aurantium Cordia speciosa Ficus retusa Gleditsia tnacanthos Jacaranda ovalìfolia alba nigra As ornamentais, at cross-roads, par=ks, the following Schinus molle Sophora japonica Tipwm speciosg Washingtoniafilìfera W. robusta. pinea inus oxyphylla Tipuana Fraxinus alba Outside the urban centers, plantations also found : 2vennes in the: Principal arteries of &culation: nigra alba Entrances to agricultural farms: Ceratonìa siliqua Olea europea Washingtoniafilìfera As hedges: to maintain the Casuarina equisetifolia Cupressus sempervirens The Schinus molle Sophora japonica Ulmus

5 exelsa On marine shores: of them exotic: Ailanthus Araucaria to pinaster pinea Ficus carica Abies oued shores and valleys: The Fraxinus oxyphylla sgsicr?!tnrrl regiem: fie vegetztion plays z double Citrus limon Citrus nobilis Dtospyros kaki japonica Ficus carica domestica pea equisetgoiia Casuarina Olea Ceratoania siliqua globulus mmaldulensts an oressied zones: The populations oî these zones mainly: umidieu Abies Oka europeu glandulosa Ailanthus media pinea carnalduknsis globulus industrial zones: These Araucaria excelsa Casuarina equisetijolia Celtis australis Cupressus sempervirens algeriensis of a of globulus Ficus retusa Ficus rubiginosa Olea europea pìnea schematization of 36

6 & * * * * * Q * * * * * * * * * * * 21 a a a a O a a a a a a a a 37

7 *"* * Q * * * * * *?i X.?i * t * * * Q * 8?+**.it * m m 38

8 D.. 39

9 * * : g* *.X * * a * *'* * * * Q.. e. 40

10 Q * Q it Q... Q & 4 Q Q Q Q- Q.. 41

11 AUGE, P. & Les arbres et arbrissearcxacclimatésenrégion méditerranéenne frangaise. INRA, L Standard cyclopedia horticulture. The B., Les de la côte E des conzj2res. et Nancy. LE ème (2 vol). La Traité des arbres et arbustes. L feuillus. La 1900, T. W, de l Algérie, Bulletin de la société d horticulture d Algérie, 1908, T. 42