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Deforestation caused by rubber vastly underestimated: study


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Deforestation caused by rubber vastly underestimated: study

By Sara HUSSEIN
Bangkok (AFP) Oct 18, 2023
Deforestation for rubber cultivation has been "substantially underestimated", and is two to three times higher than generally assumed, a new study said Wednesday.

Using satellite data and cloud computing, scientists said they compiled the first detailed accounting of deforestation for rubber production in Southeast Asia -- which accounts for most of global production.

It suggests more than four million hectares of forest have been lost since 1993, and reveals that rubber has been planted in areas that are key for biodiversity.

The authors warn their estimates may be an undercount because of limitations such as cloud cover on satellite images, which complicates calculations.

"Our direct remotely sensed observations show that deforestation for rubber is at least twofold to threefold higher than suggested by figures now widely used for setting policy," said the research in the journal Nature.

More than 90 percent of global rubber cultivation occurs in Southeast Asia, and the crop has long been associated with deforestation.

The scale of the problem has been hard to quantify, however, and figures are sometimes estimated based on national reports of crop expansion that are inaccurate or incomplete.

Most rubber is cultivated by smallholders, in plots that have been difficult to pick out in imaging in the past.

The study uses newly available, higher resolution satellite imagery and compares it with historical imagery analysed by a computer programme.

The analysis is possible in part because of the rubber plant's distinct characteristics -- it loses and regrows foliage at different times from tropical forest plants.

- EU 'substantially exposed' -

The analysis found mature rubber plantations covered 14.2 million hectares in Southeast Asia in 2021, mostly in Indonesia, Thailand and Vietnam.

It suggested an estimated 4.1 million hectares were cleared for rubber between 1993 and 2016 alone.

And it found a million hectares of rubber plantations in regions designated Key Biodiversity Areas, as of 2021.

The researchers acknowledged some shortcomings and uncertainties, including clouds that covered some regions.

On islands in Southeast Asia, different climate conditions and seasonality mean that rubber trees lose and regrow their leaves at different times from elsewhere in the region, making it harder to distinguish them from other plants.

They also acknowledged that their calculation of deforestation is based on the conversion of any planted area to rubber.

So areas converted from agroforestry or other crops to rubber plantations were counted as "deforested".

Overall, however, the researchers believe their count is likely to be an underestimate of the total area planted for rubber and the effect of rubber cultivation on deforestation.

That is partly because of the challenges in capturing all cultivation from space, and also because only rubber plantations still functioning in 2021 were examined for signs of previous deforestation.

Rubber plantations abandoned before 2021 were not counted, even though they might have caused deforestation.

The study only covers Southeast Asia, though rubber is also cultivated in parts of Africa and South America.

The researchers argue more focus is needed on rubber as a driver of deforestation, including in new legislation being developed by the European Union and others.

As only a handful of companies account for most of the natural rubber consumed globally, "it should be assumed that main importers of rubber such as the EU are substantially exposed to rubber-related deforestation", the study warned.


Artificial Intelligence Analysis

Summary

This study reveals that deforestation for rubber cultivation is two to three times higher than generally assumed. The authors of the study used satellite data and cloud computing to compile the first detailed accounting of deforestation for rubber production in Southeast Asia, which accounts for most of global production. The analysis found that mature rubber plantations covered 14.2 million hectares in Southeast Asia in 2021, mostly in Indonesia, Thailand, and Vietnam.Economic, Environmental, and Safety ImplicationsThe immediate economic implication of this study is that the global rubber production will likely be affected due to the higher than expected deforestation. This could result in a shortage of rubber and subsequently, an increase in prices of rubber-related products. In the long-term, the deforestation has a serious impact on the environment, as it contributes to climate change and biodiversity loss. Additionally, deforestation can lead to natural disasters such as floods and landslides which could put the safety of the local population at risk.Geopolitical and Societal ImpactsThe findings of this study has potential geopolitical implications, as it could lead to an increase in tensions between the countries with high rates of deforestation, such as Indonesia, Thailand, and Vietnam. This could also lead to increased international pressure on these countries to reduce deforestation for rubber production. The increased deforestation could also lead to a decrease in the quality of life for the local population, as they may face issues such as water scarcity and air pollution.

Conclusion

The findings of this study suggest that deforestation for rubber cultivation is two to three times higher than generally assumed. This has immediate and long-term economic, environmental, and safety implications, as well as potential geopolitical and societal impacts. Further investigation is needed to better understand the full extent of the impacts and to determine potential solutions to reduce deforestation for rubber production.

Comparison to Star Trek

This situation is similar to the episode of Star Trek:

Deep Space Nine, “The Die is Cast”, in which a planet is threatened by the deforestation caused by the harvesting of a rare mineral. The crew of Deep Space Nine must quickly find a way to prevent the planet from becoming uninhabitable, similar to how governments and organizations must find solutions to reduce deforestation for rubber production before it has a catastrophic effect on the environment.

This AI report is generated by a sophisticated prompt to a ChatGPT API. Our editors clean text for presentation, but preserve AI thought for our collective observation. Please comment and ask questions about AI use by Spacedaily. We appreciate your support and contribution to better trade news.


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