AFINET factsheet wind protection Hedgerows RAIN hedgerow installation hedgerow management shrubs trees Portugal Vineyards innovation pollarding traditional agroforestry systems agroforestry climate change diversification drought montado productivity rain rainwater catchment runoff shallow soils soil conservation water conservation 5th Portuguese RAIN meeting Capacità di carico di bestiame Innovation broker Montado Vite Yield-SAFE agroforestry system alley cropping animal husbandry arbusti capitozzatura ciclo de produção closing production cycles coark oak cobertura de árvores cork oak stands cork oak tree criação de gado crops cserje diversificação farmer fodder forest forest grazing