How We Save Sumatra’s Last Living Tigers

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Strict global rainforest laws like #EUDR, enforcement of anti #poaching units, and a consumer boycott of #palmoil, hold the key to protecting #Sumatra’s last living tigers.

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A mighty tiger drinking from a river. Image: Craig Jones Wildlife Photography

The Sumatran tiger Panthera tigris sumatrae is teetering on the brink of extinction. Recent findings underscore the urgency of protecting the last remaining populations of these unique and majestic apex predators. With deforestation continuing at alarming rates to meet global demands, particularly for palm oil, these tigers face severe threats to their survival. Another serious threat to their dwindling number is poaching. This article examines the findings of recent studies and argues for stricter forest protection regulations, enforcement of the European Union Deforestation Regulation (EUDR), and consumer boycotts of palm oil will help to protect Sumatra’s rainforests and wild animals.

Sumatran Tigers in Serious Trouble

The Sumatran tiger, the most diminutive subspecies of tiger in the world, is now restricted to the Indonesian island of Sumatra. Once widespread, these tigers have lost more than 70% of their habitat due to extensive logging, the expansion of palm oil monoculture, and poaching (Figel et al., 2024). A recent study by Figel and colleagues revealed that in the Ulu Masen Ecosystem, only 11 tigers were detected during a monitoring period from 2020 to 2022, with a male-biased ratio of eight males to one female, indicating significant population stress from poaching pressures and habitat loss (Costa, 2024). Without immediate and intensive action, these tigers face the same fate as the now-extinct Javan and Balinese tigers.

Habitat Loss and Deforestation: The Palm Oil Crisis

Forests critical to tiger survival are rapidly disappearing, largely driven by deforestation for palm oil, timber and mining. According to a study published in Scientific Reports, deforestation has been particularly damaging to lowland and primary forests, essential habitats for Sumatran tigers (Smith et al., 2018).

Palm oil companies in Indonesia, the world’s top producer of the commodity, cleared 30,000 hectares (about 74,100 acres) of forest last year to make way for plantations, up from 22,000 hectares (54,400 acres) in 2022 (Mongabay, 2024).

Over decades, rainforest loss for palm oil and timber on the island of Sumatra along with poaching of tigers has resulted in severely isolated tiger populations and loss of genetic diversity, which further compounds the risk of extinction (Wibisono, 2024). Despite legal protections, these animals are often displaced as logging companies encroach upon their habitats.

Strict Global Laws Needed to Protect Tigers and Rainforests

The European Union has recognised this issue through the European Union Deforestation Regulation (EUDR), which mandates that companies importing into the EU must prove that their products containing palm oil are not linked to deforestation. Although promising, the enforcement of the EUDR will be crucial for real impact, especially in countries like Indonesia, where lax regulation and government corruption has allowed large-scale deforestation to flourish (Figel et al., 2024).

Urgent Anti-Poaching Protection Needed

Poaching has been another devastating factor for Sumatran tigers, as highlighted by Figel et al. (2024). In their recent camera-trap study, they found alarming signs of tiger limb injuries due to snares, an indication of pervasive illegal hunting. In comparison to other tiger habitats in Sumatra, the lack of female tigers and cubs in the Ulu Masen region shows a population under severe stress. This study calls for the immediate introduction of up to 600 trained rangers to combat poaching and support tiger conservation in Ulu Masen—a recommendation that reflects the success of similar efforts in Kerinci-Seblat National Park, where a 41% reduction in snares was achieved through a well-resourced ranger network (Costa, 2024).

Protecting Prey and Preserving Balance in Ulu Masen

The Figel study underscores that the survival of Sumatran tigers in Ulu Masen hinges on reducing poaching and preserving prey populations, such as sambar deer, which play a critical role in tiger sustenance. Despite Ulu Masen’s extensive forest cover, the lack of formal protection leaves tigers vulnerable to habitat loss, illegal logging, and rampant snare usage, which remains the leading threat. With only one female observed among 11 tigers, the population skew suggests severe poaching pressures, underscoring the need for robust, targeted protection. Implementing a larger ranger network, akin to successful efforts in other Indonesian parks, is essential for tackling these threats and ensuring that Ulu Masen remains a viable habitat for Sumatran tigers.

Consumer Awareness and the Call to Boycott Palm Oil

To effectively protect these remaining tigers, consumer awareness and strong consumer action is equally important. By boycotting palm oil in the supermarket and supporting alternative vegan palm oil free products, consumers can reduce demand for this resource, which remains a primary driver of deforestation in Sumatra (Luskin et al., 2017). Educating consumers about the environmental costs associated with palm oil and meat deforestation is crucial; with heightened awareness, individuals can contribute to conservation efforts by opting for palm oil free alternatives.

We May Still Have Time to Secure Their Future

The plight of the Sumatran tiger reveals the interconnectedness of conservation, international environmental laws and consumer boycotts. While regulations like the EUDR are necessary, their strict enforcement is essential to prevent further destruction of tiger habitats. Alongside this, consumer action in the form of boycotting palm oil can make a meaningful difference. Protecting Sumatra’s forests is not just about saving a single species; it is about preserving an entire ecosystem under siege from the scourge of palm oil monoculture. By taking strong collective action, we still have time to secure a future for the Sumatran tiger and countless other species that depend on rainforests.

References

Costa, J. (2024). Decline in Sumatran Tigers. Cosmos Magazine. Retrieved from https://cosmosmagazine.com/news/dramatic-decline-in-sumatran-tigers/

Figel, J. J., Safriansyah, R., Baabud, S. F., & Hambal, M. (2024). Intact, under-patrolled forests harbor widespread prey but a male-biased tiger population in the Ulu Masen Ecosystem, Sumatra, Indonesia. Scientific Reports, 14, Article 23612. https://doi.org/10.1038/s41598-024-75503-0

Jong, H. N. (2024, February 13). Palm oil deforestation makes comeback in Indonesia after decade-long slump. Mongabay. Retrieved from: https://news.mongabay.com/2024/02/palm-oil-deforestation-makes-comeback-in-indonesia-after-decade-long-slump/

Luskin, M. S., Albert, W. R., & Tobler, M. W. (2017). Sumatran tiger survival threatened by deforestation despite increasing densities in parks. Nature Communications, 8, 1783. Retrieved from https://www.nature.com/articles/s41467-017-01656-4

Smith, O., Wang, J., & Carbone, C. (2018). Evaluating the effect of forest loss and agricultural expansion on Sumatran tigers from scat surveys. Biological Conservation, 221, 270-278. https://doi.org/10.1016/j.biocon.2018.03.014

Wibisono, H. T. (2024, February 12). Species spotlight: The critically endangered Sumatran tiger — small but mighty. The Revelator. Retrieved from: https://therevelator.org/species-spotlight-sumatran-tiger/

ENDS

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