[Periurban agriculture in the area of Thessaloniki -Development, importance and perspectives]

agricultura alternativa agricultural development agricultural sector agriculture alternative alternative agriculture ambiente urbano ciudades data analysis ecologia ecologie ecology encuestas environnement urbain europa meridional europe du sud exploitation agricole explotaciones agrarias farmland farms grecia greece land management land use monitoring relaciones campo ciudad relation ville campagne rural areas rural urban relations secteur agricole sector agrario southern europe suburban areas surveys terre agricole towns urban areas urban environment urbanisation urbanization utilisation des terres vigilancia ville zonas periurbanas zonas rurales zonas urbanas zone rurale zone urbaine