Deforestation in New Zealand


Deforestation in New Zealand

Deforestation in New Zealand has been a contentious environmental issue in the past, but native forests, colloquially called "the bush", now have legal protection.

Contents

Pre-human forest cover

Since New Zealand was the last major landmass to be settled by humans, anthropological changes are easier to study than in countries with a longer human history. A picture of the vegetation cover has been built up through the use of archeological and fossil remains, especially pollen grains from old forests. Some of the most ancient intact forests in the world are found in New Zealand, examples being on Stewart Island and Ulva Island.

Māori settlement

Prior to the Maori arrival, New Zealand was almost entirely forested, besides high alpine regions and those areas affected by volcanism. Throughout the Maori’s exclusive inhabitance, the environment took an expensive toll. Approximately 50% of the original forest cover had been deforested before European contact.[1]

The Māori people began settling the country about 800 years ago and reduced the amount of forest cover with the use of fire. By 1840, when Europeans were a small part of the population, the forest cover had been reduced from 85% down to 56%.[2]

European settlement

When the first Europeans arrived, in 1772, there was still thick, dense forest cover. The Early explorers such as Cook and Banks described the land as “immense woods, lofty trees and the finest timber” [3] Mainly timber was used for repairs to sailing ships until the 19th Century. With the colony of New South Wales rapidly expanding, the need for timber from New Zealand began to rise. Timber exports, mainly kauri, became a major industry for New Zealand. There are records from the 1840s, stating that 50 to 100 ships could be tied to shore in Kaipara Harbor and be filled with lumber from giant floating booms that can hold 10,000 logs at a time.[4] Besides trees as a form of lumber, many pioneers found the kauri trees valuable for the gum it produced to make varnish and linoleum mainly in the north island near Auckland. The colonist used unconventional methods to gather this gum from living trees. Stripping these trees and the ground around them resulted in the destruction of the land, rendering it unusable for agriculture (Wynn pg. 108). With out the trees to hold the soil and debris to the land, water flowed freely causing flooding to be inevitable, which occurred often. As most of New Zealand was covered with thick bush, the slash and burn technique was used often for land set aside for farming in these areas. This practice was not carried out very responsibly due to the complexity of controlling a fire and in turn resulted in enormous amounts of unintentional land catching fire [3] This led to thousand of acres accidentally burned and destroyed.

After the Treaty of Waitangi was signed in 1840, settlers begin a rapid expansion. Deforestation continued for many uses including clearing land for farming and gardens and wood for construction. An estimated 50,000 acres (200 km2) land was also lost due to human caused forest fires within only a few days. The rapid levels of deforestation can be seen when looking at sawmill production. There were only six sawmills in 1843, twelve in 1847, fifteen in 1855 and ninety-three in 1868, a growth of more than fifteen times in twelve years.[3] More access to different areas through the newly laid railroad system led to many sawmilling settlements becoming railroad stops. With the production of many more sawmills, job availability increased. These factors helped add to the exponential deforestation rate countrywide. With time, the mills also became more productive and more abundant, perpetuating deforestation.

In the 20th Century the timber had deforested approximately 14 million hectares, or half of the pre-European forest cover.[clarification needed]

Recent history

By the 1970s the environmental movement started direct action to protect forests. Notable direct action campaigns were at Pureora Forest with Stephen King and the West Coast with the Native Forest Action Council and Native Forest Action. All native forest logging on public land ended in 2000 when the Labour led government upheld its election promise to stop the logging.

Forest protection

Many legal avenues now exist to protect native forests. The Resource Management Act, a major Act of Parliament that was passed in 1991, affords any natural environment a level of legal protection through the resource consent process. The logging of native trees is governed by a permit system administered by the Ministry of Agriculture and Forestry (MAF) and must be shown to be sustainable.[5]

MAF also formulates policy on national and international illegal logging.[6]

See also

References

  1. ^ www.insights.co.nz
  2. ^ The State of New Zealand's Environment 1997. Wellington: Ministry for the Environment. 1997. pp. 8.30. ISBN 0-478-09000-5. 
  3. ^ a b c Wynn, G. ‘Destruction under the guise of improvement: The forest, 1840-1920’, in Pawson and Brooking, (eds), Environmental History of New Zealand, (2002), 100-118.
  4. ^ http://www.insights.co.nz/
  5. ^ "MAF Indigenous Forestry Unit". Ministry of Agriculture and Forestry. http://www.maf.govt.nz/forestry/indigenous-forestry/. Retrieved 2009-06-11. 
  6. ^ "New Zealand policy to address illegal logging and associated trade". Ministry of Agriculture and Forestry. http://www.maf.govt.nz/forestry/illegal-logging/page.htm. Retrieved 2009-06-11. 

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