ELABORATION De La CARTE COMMUNALE De XXXXXXXXXX

ELABORATION De La CARTE COMMUNALE De XXXXXXXXXX

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' * -*456 -+ ' 666-7(2(* -* Table des matières TABLE DES MATIERES ........................................................................................................................ 2 1 PREAMBULE .................................................................................................................................. 4 2 ETAT DES LIEUX ........................................................................................................................... 9 2.1 SITUATION GEOGRAPHIQUE ............................................................................................................. 9 2.2 CADRE ADMINISTRATIF .................................................................................................................... 9 2.2.1 Commune ................................................................................................................................... 9 2.2.2 Intercommunalité ..................................................................................................................... 10 3 ETAT INITIAL .................................................................................................................................15 3.1 CADRE PHYSIQUE .......................................................................................................................... 15 3.1.1 Géologie .................................................................................................................................... 15 3.1.2 Topographie ............................................................................................................................. 17 3.1.3 Hydrographie ............................................................................................................................ 18 3.1.4 Pédologie .................................................................................................................................. 20 3.1.5 Climat ........................................................................................................................................ 21 3.2 CADRE BIOLOGIQUE ....................................................................................................................... 22 3.2.1 Flore .......................................................................................................................................... 22 3.2.2 Faune ........................................................................................................................................ 23 3.3 PATRIMOINE ARCHITECTURAL ....................................................................................................... 24 3.3.1 Organisation de l’habitat ......................................................................................................... 26 3.3.2 Structure de l’habitat ............................................................................................................... 26 3.4 PAYSAGES ..................................................................................................................................... 29 3.4.1 Perceptions paysagères ......................................................................................................... 29 3.4.2 Unités paysagères ................................................................................................................... 29 3.5 CONTRAINTES ET SERVITUDES ...................................................................................................... 32 3.5.1 Servitudes ................................................................................................................................. 32 3.5.2 Contraintes ............................................................................................................................... 34 3.5.3 Catastrophes naturelles .......................................................................................................... 36 3.6 QUALITE DE L ’EAU ET DE L ’AIR ....................................................................................................... 36 3.6.1 Qualité de l’eau ........................................................................................................................ 36 3.6.2 Qualité de l’air .......................................................................................................................... 38 4 ANALYSE SOCIO-ECONOMIQUE ..............................................................................................39 4.1 POPULATION .................................................................................................................................. 39 4.1.1 Démographie ............................................................................................................................ 39 4.1.2 Nature de l'évolution ............................................................................................................... 40 4.1.3 Composition des ménages .................................................................................................... 41 4.1.4 Perspectives d’évolution ......................................................................................................... 42 4.2 LOGEMENT ..................................................................................................................................... 42 4.2.1 Parc de logements .................................................................................................................. 42 4.2.2 Nouvelles constructions .......................................................................................................... 44 4.3 PERSPECTIVES .............................................................................................................................. 45 4.4 ACTIVITES ...................................................................................................................................... 47 4.4.1 Population active ..................................................................................................................... 47 4.4.2 Agriculture ................................................................................................................................. 47 4.5 ÉQUIPEMENTS ET SERVICES PUBLICS ........................................................................................... 53 4.5.1 Équipement scolaire ................................................................................................................ 53 4.5.2 Action sociale ........................................................................................................................... 53 4.5.3 Assainissement ........................................................................................................................ 53 4.5.4 Eau potable .............................................................................................................................. 54 4.5.5 Voiries ....................................................................................................................................... 56 4.5.6 Électricité .................................................................................................................................. 58 4.5.7 Déchets ..................................................................................................................................... 58 5 JUSTIFICATION DU CHOIX DE ZONAGE .................................................................................59 5.1 ENJEUX .......................................................................................................................................... 59 5.2 ORIENTATIONS ............................................................................................................................... 59 5.3 CHOIX ............................................................................................................................................. 60 5.3.1 Zones constructibles ............................................................................................................... 61 5.3.2 Zones naturelles (ZN) ............................................................................................................. 73 5.4 SYNTHESE ...................................................................................................................................... 74 6 INCIDENCE DES CHOIX ..............................................................................................................77 6.1 CADRE PHYSIQUE .......................................................................................................................... 77 6.1.1 Topographie ............................................................................................................................. 77 6.1.2 Risque retrait-gonflement des argiles ................................................................................... 77 6.1.3 Risque de rupture de barrage ................................................................................................ 77 6.1.4 Nuisances ................................................................................................................................. 77 6.2 CADRE NATUREL ............................................................................................................................ 78 6.2.1 Espace

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