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INDEX
PRESENTATION ............................................................................................................................................4 FOREWORD....................................................................................................................................................5 1. PLANNING...................................................................................................................................................6 1.1 Aim of the forestry project ......................................................................................................................6 1.1.1 Carbon sequestration ...................................................................................................................7 1.1.2 Pollutants abatement ....................................................................................................................8 1.1.3 Biodiversity conservation .............................................................................................................9 1.2 Site selection .........................................................................................................................................10 Box 1 - Soils in the urban environment ............................................................................................................14 1.3 Planning addresses ................................................................................................................................18 1.4 Species selection ...................................................................................................................................19 1.4.1 Criteria for the selection of species appropriate to carbon sequestration .................................21 1.4.2 Criteria for the selection of species recommended for mitigating air pollution and noise ........22 1.4.3 Criteria for the selection of species to increase animal biodiversity .........................................24 Box 2 - Urban green spaces and allergies to pollens: recommendations ........................................................37 Box 3 - Soil consumption in Italy and EU guidelines to limit, mitigate and compensate soil sealing .............40 1.5 Selection of the propagation stock ........................................................................................................44 2. REALIZATION .........................................................................................................................................45 2.1 Preparatory activities.............................................................................................................................45 2.1.1 Rock removal ..............................................................................................................................45 2.1.2 Weed removal .............................................................................................................................45 2.1.3 Soil processing ............................................................................................................................45 2.1.4 Manuring ....................................................................................................................................46 2.2 Planting .................................................................................................................................................47 2.2.1 Planting patterns ........................................................................................................................47 2.2.2 Digging .......................................................................................................................................48 2.2.3 Bedding out .................................................................................................................................48 2.2.4 Other procedures ........................................................................................................................49 2.3 First maintenance ..................................................................................................................................50