Evaluating the multiple benefits of multi-layered agroforestry systems

Abstract

Globally, the contribution of own-growers' to food security is over-looked.We explore a novel temperate, own-growing, agroforestry method that originates from Britain; the forest garden. Inspired by ancient tropical multi-layered homegardens, forest gardens integrate nature and food production. Consequently, they have spread globally despitebeing little researched. We sub-sampled 51 British forest gardens described as: Mature (≥15 years old), Young (≤10 years old) or Mixed (Young forest garden with an experienced manager). Using a semi-structured telephone questionnaire, we characterise forest gardens as: diverse food systems containing on average 64.2 (±6.65) predominantly perennial plant species; spread over at least four layers. Typically, they are ≤0.8 ha; on sloping, low value agricultural land. Forest gardeners are principally motivated by environmental protection and a lifestyle that enhances well-being. Their diet is broadened by foraging wild plants and common garden species, considered a delicacy in other cultures; thereby reducing their reliance on environmentally challenging annual crops. Forest gardens, like homegardens, could deliver social, economic and environmental benefits. They also illustrate that exploring ancient cultures and techniques can provide ideas and solutions to our modern food conundrums. However, combing a holistic academic approach with forest and homegarden practitioner knowledge will enhance our understanding of their alternative crops.