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澳洲大堡礁受农药威胁

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小编摘要:据澳洲政府最新报告显示,世界自然遗产澳洲大堡礁正受农药威胁。

导读:澳洲政府第一份关于大堡礁水质的报告称,近25%的园艺生产者和12%的牧民违规使用农药,昆士兰北部的甘蔗产业使用尤为严重,大堡礁正受农药威胁。近几年,气候变化造成大堡礁的珊瑚被漂白,而这次的水质报告显示农药正严重威胁大堡礁生态,在大堡礁水深60公里处发现有危害珊瑚的毒物富集。政府不否认农场主正逐步采用环境友好的生产方式,但今年年初昆省北部的热带气旋雅思带入了大量有毒物入海,使得情况更糟。环保主义者倡导限制农药使用,但甘蔗生产者表示为了生产不可避免要使用农药。

The Great Barrier Reef, file pic
The Great Barrier Reef is a World Heritage-listed natural wonder

Agricultural pesticides are causing significant damage to the Great Barrier Reef, according to a new Australian government report on water quality at the site.

The report says some farmers must be more careful with their chemicals.

It found that nearly one-quarter of horticulture producers and 12% of pastoral farmers were using practices deemed unacceptable by the industry.

The Great Barrier Reef is a World Heritage-listed natural wonder.

Sugar cane criticism

In recent years, it has been coral bleaching caused by climate change that has damaged the Great Barrier Reef, but the first Australian government report on water quality there has found that agricultural pesticides are posing significant risks.

Pesticides have been found up to 60km (38 miles) inside the reef at toxic concentrations known to harm coral.

The heavy flooding and a cyclone that ripped through northern Queensland earlier in the year are thought to have made things worse, by flushing pollutants out to sea.

The report said many horticulture producers were using practices considered unacceptable, and that the sugar cane industry in the wet tropics of northern Queensland was particularly to blame.

However, the agriculture industry has said the findings are based on old data, and that there has been a significant change.

The government agrees that farmers have been using more environmentally friendly methods, but says those improvements had been undermined by Cyclone Yasi.

There have been calls from conservationists to limit the use of pesticides and to ban certain weed killers.

But sugar cane producers have argued that there are no alternatives to adequately protect their crops.

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2011-08-15 11:20 编辑:jeannn
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