forest cover

Vanishing forests: pre-European transformation of the South Island

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When we encounter the extensive tussocklands of the eastern South Island [see below right], it is hard to imagine any other landscape in that place – so much a part of the “natural” New Zealand landscape have they become. Yet, as explored in a previous post What is natural? The tussocklands of Lindis Pass, this is in fact a human-induced landscape; the tussocklands have replaced podocarp and beech forest [see left] that once covered the South Island. However, this occurred long before any written history was established, and this environmental history has had to be pieced together through painstaking paleoenvironmental research.

New ground-breaking research, undertaken by an team of both New Zealand and international scientists, has determined how, to what extent, and over what time-frame large tracts of South Island forest were destroyed. Continue reading →

Impacts of the Maori on the environment

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Much of the material on this site focuses on the impacts of European settlers on the New Zealand environment. But of course the environment was neither untouched nor pristine when organised European settlement began in the 19th century. As can be seen in the forest cover diagrams in the earlier post, Destruction of our forests over time, the Maori also had a significant impact on New Zealand’s forests, albeit over a much longer period of time (centuries as opposed to years). Between the beginning of Polynesian settlement in New Zealand around the fourteenth century and the beginning of organised European colonisation in the nineteenth century, it is estimated that forest cover was reduced by about half, largely through fire. Continue reading →

Destruction of our forests over time

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Prior to human colonisation, it is thought that the New Zealand landmass was almost entirely covered in forest, apart from alpine areas. Between the beginning of Polynesian settlement in New Zealand around the fourteenth century and the beginning of organised European colonisation in the nineteenth century, it is estimated that forest cover was reduced by about half, largely through fire. When the European settlement of New Zealand began in earnest in the 1840s, it is estimated that forest, or ‘bush’ in the vernacular, covered about two thirds of the North Island and about 25 to 30 per cent of the South Island. In the decades that followed, bush was destroyed through milling and fire to make way for settlements and farms. By 1900, forest cover had been reduced by half again, to about 25 per cent.

Figure (below): Forest cover AD 1000, 1840, 2001 (Source: Kiwi Conservation Club)