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Proposta de nous hàbitats <\/SPAN>arboris. Informació detallada sobre els hàbitats <\/SPAN>proposats<\/SPAN>es<\/SPAN>i les espècies dels diferents grups es<\/SPAN>troba als documents ESTUDI DE VEGETACIÓ DEL RIU LLOBREGAT, DOCUMENT 2, PROPOSTA DE NOUS HÀBITATS. <\/SPAN><\/P>

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Grup 1: Combinació de: <\/SPAN>PINEDA (40%)<\/SPAN>, <\/SPAN>AURONEDES (20%)<\/SPAN>, <\/SPAN>LLEDONEDA (40%)<\/SPAN>, Es t<\/SPAN>racta dels arbres amb un % de supervivència gairebé proper al 100%. És per això que es plantaran en major quantitat, amb una representació<\/SPAN><\/SPAN>total d<\/SPAN><\/SPAN>\u2019<\/SPAN><\/SPAN>un 30% en tot l<\/SPAN><\/SPAN>\u2019àmbit, perquè<\/SPAN><\/SPAN>es tracta d<\/SPAN><\/SPAN>\u2019espècies que funcionaran bé<\/SPAN><\/SPAN>enfront de l<\/SPAN><\/SPAN>\u2019<\/SPAN><\/SPAN>escassetat d<\/SPAN><\/SPAN>\u2019<\/SPAN><\/SPAN>aigua, elevades temperatures i requereixen poc manteniment. <\/SPAN><\/P>

Grup 2: Combinació de: <\/SPAN>ULLASTREDES (40%)<\/SPAN>, <\/SPAN>TAMARIGARS (15%)<\/SPAN>, <\/SPAN>SALZEDES (15%)<\/SPAN>, <\/SPAN>GINESTARS (30%)<\/SPAN>. <\/SPAN>Es tracta d<\/SPAN>\u2019arbustives que poden arribar a assolir un port arbori, que creixen des de la base i que creiem que poden ser considerades espè<\/SPAN><\/SPAN>cies que poden arribar a ser competents per combatre la canya americana l<\/SPAN><\/SPAN>\u2019<\/SPAN><\/SPAN>Arundo donax<\/SPAN><\/SPAN>. Tenen un % de supervivè<\/SPAN><\/SPAN>ncia major al 90% i ja s<\/SPAN><\/SPAN>\u2019està demostrant en molts punts que, quan comparteixen espai amb la canya americana só<\/SPAN><\/SPAN>n capaces de guanyar la partida. Per aquest motiu es considera <\/SPAN><\/SPAN>recomanable plantar-los amb una representació<\/SPAN><\/SPAN>del 30%, sumant, amb el grup 1, el 60% de les plantacions al llarg de la llera del riu.<\/SPAN><\/P>

Grup 3: Combinació de: <\/SPAN>FREIXENEDES (50%)<\/SPAN>, <\/SPAN>ALBAREDES I POLLANCREDES (10%)<\/SPAN>, <\/SPAN>SALZEDES (30%)<\/SPAN>. <\/SPAN>Es tracta dels arbres<\/SPAN>que formen part dels boscos de ribera mediterranis. Tenen un % de supervivè<\/SPAN><\/SPAN>ncia d<\/SPAN><\/SPAN>\u2019<\/SPAN><\/SPAN>entre 50-70%. Es tracta de les espècies més utilitzades per a les plantacions del riu en tot el seu traçat. Espè<\/SPAN>cies que s<\/SPAN><\/SPAN>\u2019han anat plantant però que en els ú<\/SPAN><\/SPAN>ltims anys s<\/SPAN><\/SPAN>\u2019<\/SPAN><\/SPAN>h<\/SPAN><\/SPAN>a pogut veure que disminuï<\/SPAN><\/SPAN>a la seva capacitat d<\/SPAN><\/SPAN>\u2019adaptació<\/SPAN><\/SPAN>. <\/SPAN>Es creu<\/SPAN>necessària la recuperació de les petites bosquines o claps aïllats de boscos de ribera en degradació tant cap a futurs bosquets de ribera mé<\/SPAN>s ben consolidats com cap a <\/SPAN><\/SPAN>la transició a travé<\/SPAN><\/SPAN>s d<\/SPAN><\/SPAN>\u2019<\/SPAN><\/SPAN>una major densitat d<\/SPAN><\/SPAN>\u2019arbres més resistents a la nova situació climà<\/SPAN><\/SPAN>tica que en espera<\/SPAN>.<\/SPAN><\/P>

Grup 4: <\/SPAN>Els arbres fruiters. Es tracta d<\/SPAN>\u2019agrupacions que actualment apareixen al riu de manera puntual i que posen en rellevància el seu passat i present agrícola. S<\/SPAN>\u2019ha pogut comprovar que els arbres fruiters presenten un 80% de supervivè<\/SPAN><\/SPAN>ncia<\/SPAN>i <\/SPAN>es creu convenient que formin part del mosaic agro-forestal del futur riu Llobregat.<\/SPAN>Es recomana especialment utilitzar aquelles especies de fruiters que requereixen de menys aigua com: les oliveres, els avellaners o els garrofers.<\/SPAN><\/P>

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