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Document d’Objectifs du site Natura 2000 « Massif de Fontainebleau »DIREN Ile-de-France – ONF8.2.3. JUNIPERAIEEffort annuel(ha)Objectifsréalisation (ans)Coût €/haExtractionvégétationconcurrente +miseà nu du sol +perchoirs**Coût annuel(€)2007 6 5 2 700 15 8872008 6 5 2 700 15 8872009 6 5 2 700 15 8872010 6 5 2 700 15 8872011 6 5 2 700 15 887**5 pieds mères maximum/ha donc 5perchoirs minimumTOTAL 2007-2011 79 4348.2.4. MILIEUX HUMIDES TYPE PRAIRIAL8.2.4.1. PREPARATION DES TERRAINS A LAMECANISATION ET AU PATURAGECela concerne les surfaces suivantes : 81 ha (Arbonne, Larchant Beaudelut) et 12,67ha (plaine de Sorques)EtudepréalableCoût /haRemise eneau(Arbonne etBeaudelut)Localisation Effortannuel (ha)Coût totalannuel (€)2007 NE 35,80 02008 NE 35,80 02009 347 Arbonne et 35,80 12 410Beaudelut20102011NE =Dépenses non éligibles au titre de laDirective HabitatsTOTAL2007-201112 410353
Document d’Objectifs du site Natura 2000 « Massif de Fontainebleau »DIREN Ile-de-France – ONFCoût/haRestauration(Abattage+Debardage+Dessouchage+Broyage)*LocalisationEffort annuel(ha)Coût totalannuel (€)2007 10 950 10,86 118 9172008 10 950 10,86 118 9172009 10 950 Arbonne, Larchant,Beaudelut et plaine10,86 118 9172010 10 950de Sorques10,86 118 9172011 10 95010,86 118 917* hypothèse une densité de tigesexploitées de 150 t/haTOTAL 2007-2011594 5858.2.4.2. OPTION 1 : ENTRETIEN ENTIEREMENTMECANISE1/3 des surfaces serait entretenu par broyage ou fauchage/an.Coût €/haFauchage avecexportationLocalisationEffort annuel(ha)Coût totalannuel ( €)2007 1 300 31,20 40 5602008 1 300 Arbonne,31,20 40 5602009 1 300Larchant,Beaudelut, Plaine31,20 40 5602010 1 300de Sorques31,20 40 5602011 1 30031,20 40 560TOTAL2007-2011202 800354
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MASSIF DE FONTAINEBLEAUSites n° FR
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Document d’Objectifs du site Natu
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RésultatattenduDocument d’Object
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Page 303 and 304: EntitésconcernéesSurfacescumulée
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