Tag: Population

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US has tightened African elephant trophy import rules but stops short of banning

Elephants hunting used to be a common activity. This was banned in Kenya in 1973 and in Botswana in 2014. The trade in Elephant parts was banned in 1989.

For many years, however, conservationists have called for rich countries to ban imports of hunting trophies on a country by country basis. This is for a simple reason – a reserve like the Kruger, has a real issue with a growing elephant population, yet at the same time Nigeria has only 400 elephants left. Tanzania has seen a reduction of elephants of 63%, while Mozambique has seen a reduction of 34%.

This new ruling suggests that imports are only allowed from populations which are large enough to support the loss. Now, I would be interested as to how this is worked out. For instance, could I buy a tiny parcel of land, on the edge of a large reserve, and allow any elephants that step on my land to be hunted?

  • Somewhere like the Selous game reserve, would in theory be acceptable for elephant hunting. If we go back to the 1976 there were approaching 109,000 elephants. However that population is now thought to be around 13,000 – hunting should be banned until the population has recovered. If a hunting reserve cannot afford to police well enough to eliminate poaching, it should not be allowed to hunt (the number of poached and hunted elephants must be below safety levels.
  • The Serengeti ecosystem also does not have a large elephant populatino so cannot allow hunting
  • The African forest elephant is considered critically endangered, so none of these elephants should be hunted

 

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Could Bison allow the land to reduce air pollution? – Yes

A small herd of 170 bison, released into a 20 square miles area of Tarcu mountains in Romania, are estimated to allow the land to capture 59,000 tones of carbon each year.

Big animals like this, stimulate the soil and plant growth, allowing the soil and plant growth to take up far more carbon than without them. Although Romania is one of the wildest countries in Europe, the European Bison was lost around 200 years ago. Between 2014 and 2021, 100 bison were reintroduced into the area, and that population has naturally grown such that there are now 170.

Scientists estimate that the lands carbon storing potential is as much as 10 times greater with the bison (they suggest that it is between 5 and 15 times more carbon.

Continue reading “Could Bison allow the land to reduce air pollution? – Yes”
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Tigers have been successfully released into a part of Russia that they were lost from 50 years ago

Two of the released tigers in a part of Russia not been seen for 50 years – photo credit ANO WSC

Tigers once roamed Russia from East to West, but by the mid 19th century, the population had fallen to just 1000. However, the question is what was it like originally? Well, one thing we have found out in the last decade, was the fact that the Caspian tiger never existed, this was instead, merely the most westerly population of the Amur tiger. The scary thing about this, is it suggests that the Amur tiger would have roamed possibly millions of square miles of land – and presumably have existed in huge numbers, perhaps over 100,000, though the decline in these numbers is likely to predate modern humans (our ancient pre homo-erectus ancestors were incredibly efficient at killing mega-fauna, thought to be responsible for much of the worlds extinct mega fauna).

While parts of the western end of the tigers range are now well populated by humans, there are still vast areas ready for the tigers return – such as countries like Kazakhstan. This move is perhaps less of a jump forwards – never-the-less, tigers have not been seen in this new area for 50 years.

The Amur tiger population dropped very low, which means that these 6 initial translocations are well suited to form an initial core for the new population, though to retain genetic diversity, it will be necessary to translocate tigers back and forth for the next few decades, until both tiger populations are more safe.

We are a long way from the Pri-Amur tiger population being viable in the long-term, but this reintroduction is a good first step. I hope to see an acceleration of these reintroductions (it was a decade ago that translocation into Kazakhstan was discussed, and this has not yet happened). Is this just the first step in allowing the Amur tiger to return to former haunts, or will this be the only step? Time will tell, but at its worst, this should double the habitat, and potentially the population of the Amur Tiger, and is therefore healthy.

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EJC has ruled against Austria on wolf hunting

Wolves have only recently returned to Austria, with an estimated 80 wolves spread throughout the country. It is perhaps not surprising therefore, that animal welfare activists, took the government to court, when it set cull numbers at 20, or 25% of the population a year.

The Austrian government had pointed to a condition in the 1992 EU directive on protecting wildlife, which states that wolf hunting to prevent financial damage can only be done if the population is in a favourable conservation status – something certainly not true in Austria. This condition can only apply to a wolf population which is stable.

I would also suggest that plans to kill 25% of the population each year, should also damage this, but this is a discussion for another day – when the population is far larger than it currently is. Other countries like Holland have similar sized wolf populations, and so this ruling could be applied in a variety of places.

Regional governments have absurdly argued that the wolf is no longer endangered in Austria, and that therefore its protection should be reduced. had the government listened would a ruling similar to the USA have come forward? Such that open season could be declared?

It is a good thing that wolves are so good at holding on, as we have spent much of our time attacking.

It is funny to think, that it is estimated our relationship with wolves (in the form of domesticating them as dogs) likely goes back to a similar point to the advent of growing crops, and well before the time that we started to keep livestock.

Given our fondness of dogs has deeper roots than our fear of wolves, it seems odd, that wolf persecution ever really got underway. It is true that wolf populations do need handling, but their existence is more good than bad. Places like the UK where they are missing, show this (when looked at the situation rationally)

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Our behaviour may be still pushing the Northern right whale to extinction – entanglements may use as much energy as rearing all young

The Northern right whale was hunted to the brink of extinction – with less than 500 left when hunting ended. To put this in perspective, only 300 Southern right whales were left when hunting stopped, it is thought that there are now 3000-4000 Southern right whales.

Now, it is true that historically the Southern right whale is thought to have numbered as 55,000-70,000 individuals, suggesting that the current population is 3-5% of historic numbers.

However, the current estimate for the Northern right whale population is 386. While has the Southern right whale population grown over 1000%, and in the same time, the northern right whale population declined?

What is different?

Continue reading “Our behaviour may be still pushing the Northern right whale to extinction – entanglements may use as much energy as rearing all young”
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The smallest elephant in the world is in danger of being lost

There has been much discussion about the history of elephants in Borneo, and whether their loss is a problem

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

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Near-extinct Siamese crocodile making a recovery

The Siamese crocodile is recovering in Cambodia, with 60 hatched babies this year – more than at any time this century. Five nests were found by locals at the end of June with the eggs that resulted in these crocodilians. Thought extinct, until being rediscovered in Cambodia they have made an impressive recovery since 2012 when the project started, with 196 of this species returned to the wild in the last dozen years.

Local community wardens regularly cross the mountainous area, to check on them. In recent times, they have been observed in new territory, suggesting that their population is growing again naturally.

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The island where the feral species is an elephant

Around the world, there are invasive species – from grey squirrels in the UK, to Macaques on Gibraltar, however, all these pale on comparison to having to live with wild elephants.

The elephants were bought to the Andaman islands in the late 19th century, to work in the timber operation, which continued until the last few decades. Thankfully, much of the forest in the islands survives – with some islands retaining almost 90% forest cover. This means that the elephants might well be able to thrive into the future.

The islands lie 850 miles from the coast of India, which means that while elephants would not have existed natively on the islands, there are many species which would be found in the same area.

Interview Island and North Andaman hosts these elephants – though they need to be watched, as a population of 100 elephants is already small, but if split between 2 islands, humans may well have to be helped to remain genetically varied enough to survive long-term.

While some have suggested that the elephants have damaged biodiversity, with some species having become less common, this ignores the impact of the timber extraction – it is far more likely that this is an impact of the many decades of pulling specific trees out of the forest.

Given the endangered status of the Indian elephant, this population is precious, but whether it can be left where it is long-term is something we do not know. There are still roughly 30,000 elephants in India, but the Andaman island elephants are going to need to be watch, long-term, to make sure that they do not damage species only found in their new home.

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Hundreds of giant tortoises have returned to the wild across the Galapagos

It is thought that the Galapagos housed a population of roughly 200,000-300,000 giant tortoises, before humans arrived. This compares to a population of around 15,000 at the current time. Rangers have been trying to boost the rate of recovery, by taking eggs from the wild, raising the tortoises in captivity and releasing them, when their survival is more likely – with 560 animals returned to the wild in 2023 (it should be noted, that wild this is an impressive number, at that rate, it would take several centuries for the population to fully recover).

The project (Iniciativa Galapagos) aims to rewild 15 species across the range, including the giant tortoise, iguana and wandering tortoise.

Continue reading “Hundreds of giant tortoises have returned to the wild across the Galapagos”
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America is following in Europe’s footsteps, with their recovering brown bears – now they are moving into human areas

This is a video of one of the clashes that I am talking about. The Grizzley bear population in 1975 ( in the lower 48 states) was just 700-800 (this excludes Alaska, where the current figure is 30,000) . The lower 48 states population has grown to around 1000 or an almost 50% increase.

There is a problem with this. Both in and out of Alaska (as well as Canada) these bears need space, and so are colonizing land that they previously roamed. Unfortunately, people rapidly forget how to live with animals like grizzly bears, so it is taking some significant work to live alongside these large animals once again.

The problem is, that when those encounters spike, generally authorities panic, and this generally leads to them looking to allow hunting once again. THIS IS DESPITE THE FACT THAT THE POPULATION IS NO-WHERE NEAR RECOVERED AT THE CURRENT TIME.

Continue reading “America is following in Europe’s footsteps, with their recovering brown bears – now they are moving into human areas”
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