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A new report on impacts of plantations on the Kampar Peninsula peatland confirms that drained plantations on peatland cannot be sustained

Published on:
  • Climate mitigation and adaptation
  • Peatland conservation and restoration
  • Private sector performance
  • Sustainable land use

A new Deltares report, commissioned by Wetlands International, reconfirms that pulp wood and oil palm plantations in peatlands cannot be managed sustainably. Such drained plantations will inevitably suffer from severe land subsidence, increasing flooding and eventually production loss. The report also provides evidence that fires only occurred in drained peatlands and therefore inside or near plantations.

Independent science institute Deltares assessed the impacts of peatland drainage for plantations on the Kampar Peninsula peat dome, which probably is the largest single peat dome in Sumatra and Kalimantan, using the latest remote sensing techniques and scientific understanding of lowland peatland response to drainage.

Modelled likely flood extent (HWL) and drainability (FDL) for 2014.
Modelled likely flood extent (HWL) and drainability (FDL) for 50 years after 2014.
Plantation owners
Current (2014) extent of Acacia and oil palm plantations on Kampar Peninsula, and 2010 concession boundaries.

By 2014, 31% of the existing plantation area (including 5% of the existing pulp plantations) on the Kampar Peninsula already suffered from regular flooding and drainage problems. It is projected that within 25, 50 and 100 years, this will increase to 71%, 83% and 98% respectively, making nearly all plantations (pulp and oil palm) on the Kampar Peninsula peatland economically unviable in the middle to long term.

At an ASEAN side event during the UNFCCC CoP21 in Paris, Marcel Silvius, Head of Climate-smart Land-use of Wetlands International said: “I am surprised that the peatland subsidence and flooding issue is not considered in the ASEAN Haze Strategy and in national land-use policies and planning in Indonesia and Malaysia. The consequence of millions of hectares of peatlands becoming unproductive will likely increase fire risks in these areas during dry periods for many decades to come. By then it will be too late to restore them” According to Wetlands International, pulp and paper companies APP and APRIL, which hold the largest concession areas on Kampar Peninsula, need to phase out their drainage-based pulp wood plantations from peatlands and rewet the areas that they drained for their plantations, to avoid floods and large scale loss of land productivity and to curb fires. Sustainable alternatives on rewetted peatlands need to be developed.

There are regular claims from the pulp wood industry that peat loss and subsidence can be curbed by using improved water management techniques. But the report underscores that such techniques, including the ‘eco-hidro’ peatland management model developed by APRIL, can only reduce the rate of subsidence and by not much more than 20%.

Fire hotspots
Extent of 2014 pulp and oil palm plantations and fires in the study area.

Another finding is that despite that most companies in the area have no-fire policies, 99% of the numerous fire hotspots that occurred on Kampar Peninsula over the last 15 years were in plantation areas. This clearly shows that even the largest companies have not been able to prevent or control fires.

APRIL claims that by developing their Acacia pulp wood plantations in a ring-shaped area covering most of the outer margin of the Peninsula, they help to protect the forested inland parts of the Peninsula. However, drainage and subsidence inevitably affect the hydrology of the adjacent areas which are part of the same hydrological system, enhancing the fire risk in remaining natural forest and peat areas

The research covered an area of 674,200 ha. By 2014, almost half of the area (43%) was converted to plantations, predominantly (71.7 %) to Acacia plantations for the pulp and paper industry. The plantations also threaten biodiversity, including a population of the endangered Sumatran Tiger and cause the release of vast amounts of carbon emissions as a result of peat drainage.

Wetlands International points out that peatlands can be cultivated with crops that are adapted to the wet soil conditions – a practice known as paludiculture, which can provide a sustainable resource for industry and deliver economic prosperity to local communities. This and other recommendations are included in a Roadmap towards sustainable peatlands management for the Indonesian pulp industry, recently developed by Wetlands International and Indonesian civil society partners.

The organisation also recommended the Indonesian government to develop a National Peatland Conservation and Restoration Strategy to curb the fires and haze disaster, carbon emissions from peat and flood risk. The Indonesian government plans to form a Peatland Restoration Task Force and develop regulations to improve peatland management and curb peatland fires, greenhouse gas emissions and haze. Wetlands International also calls upon the Indonesian government to review current and new policies in light of new scientific evidence of peatland subsidence and flooding.