Climate Change

Forests are on fire, a little more every day

As many as 35,888 forest fires took place in 2017, which is the highest in the last 14 years

 
By DTE Staff
Last Updated: Tuesday 13 March 2018 | 05:09:05 AM

In India, as many as 35,888 forest fires took place in 2017. Credit: Vikas Choudhary/DTEThe massive forest fire in Kurangani Hills of Tamil Nadu, which killed nine trekkers and injured 18, is one of the many fire incidents that took place on March 11, shows a satellite image released by American space agency NASA.

Karnataka, the neighbouring state, too, has been dealing with the issue. In the first 34 days of 2018, the state recorded 60 forest fire alerts every day, according to the Forest Survey of India. But not all these alerts convert into forest fires as they are first investigated and then cases are registered. In 2017, the state reported 1,333 forest fires, which means at least three a day made it to the books.

The image released by NASA on March 11 shows that currently, the burning fields or forests are concentrated in Gujarat, Madhya Pradesh, Odisha, West Bengal, Maharashtra, Andhra Pradesh, Tamil Nadu and Karnataka. The number of these fire events has increased in the last one month.

A satellite image released by NASA on biomass burning incidents on February 11, 2018. Credit: NASA

The satellite image released a month later on March 11, 2018 shows a massive increase in the number of fires. Credit: NASA

In India, as many as 35,888 forest fires took place in 2017. With the climate registering drastic changes, environmentalists say the threat of forest fire looms large as soil has been largely unable to retain moisture. In 2003, India had witnessed 24,450 such cases, which means the number increased by 47 per cent in 14 years (till 2017).

The causes

Crop residue burning and increasing heat are the two major causes of forest fires. Qamar Qureshi, a scientist in Landscape Ecology and Geographical Information Systems and Remote Sensing, Wildlife Institute of India, Dehradun, while shedding light on the latter, said, “Even when the fire is started due to natural causes, the spread is more rapid due to an increase in the fuel load. Of late, there has been the issue of dry climatic conditions due to the El Nino and consecutive droughts. The forests and the soil that hold them have a very low-moisture content, making it easier to catch fire and to spread it. The water bodies which act as natural barriers for fire are all dry now. Therefore, while the natural causes that started the fire have not changed, the climatic conditions are just right for the fire to spread.”

November-December—the post-harvest period of the monsoon crop of paddy—is traditionally the time when farmers burn crop residue. Close to 80 per cent of the entire crop residue burning takes place in these months. The pattern, however, is changing. Though there is no official data, trends show that India has a new season of crop residue burning: April-May.

The legality of it all

Of late, courts and governments have issued stern regulations and guidelines on burning crop residues. On December 10, 2015, the National Green Tribunal (NGT) banned crop residue burning in states of Rajasthan, Uttar Pradesh, Haryana and Punjab. Parts of these states constitute the National Capital Territory.

In 2014, the Union government released the National Policy for Management of Crop Residue, which NGT directed the states to implement. Under this policy, each state needs to have an action plan to stop residue burning by involving people at different levels—from communities to panchayats to state governments. It also calls for a mechanism to alert cases of crop burning. Moreover, crop residue burning is punishable under the Air (Prevention and Control of Pollution) Act, 1981.

Be prepared

A team of Indian scientists has proposed a new strategy to tackle forest fires. The strategy involves providing for greater involvement of local communities and use of modern tools of communication technologies such as mobile apps. The aim is to put together a mechanism for an early warning system and cover a much larger area than at present.

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IEP Resources:

Nationwide assessment of forest burnt area in India using Resourcesat-2 AWiFS data

Monitoring of forest fires from space – ISRO’s initiative for near real-time monitoring of the recent forest fires in Uttarakhand, India

Two Hundred and Ninety-third report on Forest Fires and its Effect on Environment, Forests, Bio-diversity and Wildlife and remedial/preventive measures

Nature of forest fires in Uttarakhand: frequency, size and seasonal patterns in relation to pre-monsoonal environment

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