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Sumatran tigers are known to live in the Leucer ecosystem of Sumatra, but camera traps from the next door state in Aceh. This is exciting, as the population is dangerously low, but may be less low than we thought.
This does not change their conservation status, but may mean that they are more secure than we thought.
The Leuser ecosystem is one of the most biodiverse in the world, and is the only place where tiger orangutans elephants and rhino can all be found in the same place (and this ignores various special species such as bears and gibbons among many others, which still call this ecosystem home).
This deforestation, carried out to create palm oil plantations, is even occurring within a national park – somewhere where the rules means that a plantation cannot be given a licence. 2 new palm oil processing mills have sprung up near the deforesting concessions: keeping these supplied may well, now be driving further deforestation. Below is a 219 second documentary on this fascinating ecosystem.
The origin of elephants in Borneo is unknown. Known for hosting the smallest elephants in the world, there are 2 theories as to how the elephants got to the island. The first is that they were released by a ruler in the 17th century (The most rapid population growth ever seen was 7,1% after the end of poaching in a reserve in Tanzania, a population of 30 elephants could become 1000 in just 50 years) – if this was the case, then their loss would not be bad; and the second is that actually the elephants arrived on the islands hundreds of thousands of years ago (as high as 300,000 years).
It is increasingly agreed that the second one of these ideas is likely to be correct. Though having said this, genetic analysis suggests that the whole population started with just 28 elephants.
Just 1000 are found on the island at the current time.
All wildlife on Borneo is at threat, as the palm oil industry continues to demand increasing quantities of prime rainforest be cut down. As this happens, elephants are forced into human areas, in their search for food, and then into conflict.
The Borneo elephant has only recently been assessed by the IUCN red list as a separate subspecies, but it is hoped that this recognition might increase tourism on this species as well as conservation dollars to save this species from its slow slide towards extincion
There is a variety of different causes for deforestation. However, the majority of the work is usually done by individuals – often for subsistence farming, though often the land is only fertile for a short period of time, requiring more rainforest to be cut down.
However, if people on the ground know that cutting down the rainforest will make life worse, then they will not do it.
Efron Simanjuntak (click here to see a photo in a new window) was once a successful logger (illegally) in Sumatra. In 2017 he was caught, and in 2018 he was imprisoned for 2 years. In these two years, he had a lot of time to think, and realized the damage that he was doing.
Continue reading “Might the solution to deforestation be education? probably not everywhere, but clearly here in Sumatra”
Life is hard in the Indonesian rainforest – compared to Africa and South America, there is very little to be found to eat (except in specific areas. As a result, orangutans become solitary, with the only time they are seen together is a mother with young, or a courting couple. Another problem, is demonstrated here – there is so little food to be had, that every food opportunity has to be realized. This has meant that orangutans have become the best climbers (followed by Chimpanzee and then Gorilla), as where ever the food is, it needs to be accessed.
It is true, that with tools, humans can become even better climbers (as can be seen from the image), which is taken from further up the tree than the orangutans have even climbed.
Continue reading “Orangutans climb incredibly high – no space for acrophobia”
With an estimated historical habitat of this species 95% destroyed already, only leaving a small patch of rainforest with an estimated 800 Tapanuli orangutan, it would seem obvious that this small patch of rainforest should be protected, no matter what. however this opinion is not shared by everyone.
Having said this, thankfully, it is shared by an increasing number of organisations, and at current count, a total of 29 financiers have excluded Jardines and all subsidies from financing (according to the Financial Exclusions Tracker).
What is worse, is that the Martabe mining concession lies in a portion of the orangutan habitat called the Batang Toru forest, which has the largest orangutan population, and not only is this the area that has the highest chance of survival, but without this block of orangutan population, the future of the whole species is put at risk.
While this is a great move, one does wonder why it took 7 years to come to this decision. We have known about the Tapanuli Orangutan since 2017, and how precarious its survival is.
At the current time, there is an effort to expand the mine. While owners of the mine have said initially, this would just mean boreholes which do not disturb to too great a degree, recent studies have shown a correlation between this type of drilling and a reduction in Orangutan density, which proves these former assumptions to be incorrect.
It seems obvious that this area needs protecting, but perhaps for some people the earning potential is too great.
Javan rhino are on the brink of extinction! Currently, the number of surviving rhino is thought to be around 70. This depleted population is largely to do with poaching, as these animals do not do badly in the wild.
Continue reading “One gang of poachers have killed 10% of Javan rhino in 5 years”There is a serious problem in Borneo, that appears to be largely flying under the radar.
A survey of villages found that 30% of villages had evidence of orangutan killiing in the last 5-10 years. This is despite a taboo on killing the species.
The number of Borneo Orangutans is falling, and it is thought that the wild population will have fallen below 100,000 in recent years.
I wrote a few moths ago, about a picture taken in Java, which purported to show a living Javan tiger. As with many similar photos, it was of low resolution, which in many situations, would appear suspicious. If you are on safari in Java, you would think that you would take a high resolution camera, and that this would be within reach at all times, as such the resolution is not really explained well enough.
The latest study has been started after a hair was tested and found to be from a Javan tiger – but recently.
Now, before I say anything, I have to say that I would love the Javan tiger to still survive. However, the simple fact is that they have not been seen in the wild since the early 1980s.
I wrote in February about how an assessment had found that 20% of palm oil plantations were illegal (to read click here). This latest assessment suggests that in its heartland, half are illegal. Riau province is this heartland. Illegal plantations within this area cover an area almost as large as Hawai, and hosts more than half of the illegal plantations in the whole of Indonesia.
These illegal plantations are also not all owned by small players, with some of the biggest names in palm oil on the list. The government is suggesting 3 years to get retrospective permission.
The problem with this, is that it is essentially permission by the back door. If companies know that they will eventually get permission, there is a high incentive to break the law.
Furthermore, if these areas were designated for coservation, we need to find areas of similar importance to replace them
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