Sumatranoshörningen (Dicerorhinus sumatrensis) på gränsen till utrotning - En riskanalys
Sammanfattning: The critically endangered Sumatran rhinoceros (Dicerorhinus sumatrensis) has, due to previous hunting and habitat loss, diminished to a few non-viable and fragmented populations. Despite a relatively large amount of conservation efforts during the last 30 years, numbers are still declining. Accurate numbers today are unknown, since the species is rare. Information indicates that less than 100 individuals exist in the wild tropical forests in Sumatra and Borneo, and a few at breeding sites. This study aims to map out the threats and risks causing the populations to decline, and the measures currently taken to save them. Furthermore, a list of which measurements would be most effective to aid conservation will be generated. The study shows that all the identified and assessed threats towards the rhinoceros are either unsustainable or have to be rectified and examined further. Deforestation, linear infrastructure and anthropogenic disturbance from human population increase pose the greatest threats. Conservation efforts are distributed between several organizations and the main focus lies on reproduction and protection from poaching. Although these actions have had some positive impact, rhino populations have not increased. According to the results, increased recourses and a more integrated policy framework could stop the decline. However, for the populations to become viable there also have to be limitations to how the forests and environment near and within the rhinoceros’ habitat are allowed to be utilized. In conclusion, this study shows that is still possible to save the Sumatran rhinoceros from extinction, but only if greater measurements are taken.
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