Abstract
Three sediment cores and five test-pits at Anaura Bay, New Zealand were examined for evidence of Maori horticulture, and compared with descriptions of this site made in 1769 by Captain Cook's Endeavour expedition. The pits revealed soils modified for gardening and plant microfossil analysis (pollen, phytoliths and starch) identified four introduced prehistoric cultigens, all featured in the descriptions. These comprise three starch field crops: taro ( Colocasia esculenta), common yam ( Dioscorea alata) and sweet potato ( Ipomoea batatas), and an orchard-based crop: paper mulberry ( Broussonetia papyrifera). This activity, occurring on steep hills and a recently uplifted surface, was accompanied by deforestation and consequently an extremely accelerated erosion rate. In one of the cores, maize ( Zea mays) pollen and cf. potato ( Solanum tuberosum) starch possibly older than other evidence of European settlement may confirm early adoption and spread by Maori of these European-introduced crops.
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