The end of our sleepy giant dugongs in humans have become extinct

The Indian dugong is found in tropical waters along eastern Africa, the western coast of India, in the Red Sea, the Persian Gulf and in the waters around New Guinea and Australia. Its traditional territory also included the regions along the South and West coasts. But from there, as it seems, he disappeared for good. The experts who searched for him here included the dugong in the localities among functionally extinct species.

Moroni, the brain of the blood or the brain of the virgin were nicknames collected by the descendants of the dugong adu species, which in their own way proved their popularity. It’s hard not to fall in love with a dugong. It is a charismatic and calm, non-aggressive animal with a three-meter (and three-meter) stocky body that grazes on subterranean grasses and algae.

Dugongs, these closer-to-the-early cabbages, usually keep to the safety of shallow lagoons, where they forage for aquatic plants and scour the bottom. Only now and then did the wine rise above the surface to grunt. First, their white-bearded eunuchs peeking out of the water led to the creation of legends about male virgins and sirens who lured women to death among mills and sedges.

Mosk blood under pressure

What does functional extinction mean?

The term functionally extinct does not necessarily mean that there are no dugongs in the given region. Sing them under there. But there are so few of them, they don’t overwhelm their function in the ecosystem.

This should mean that individual examples, males and females, are so far apart that they will never meet and will not reproduce.

The fall in their population should be so small that, during reproduction, inbreeding of native breeds would occur.

Functional extinction therefore does not mean the definitive end. It is the penultimate chapter before the inevitable end.

Despite rumors, the dugong is certainly a non-conflict animal that does not compete with humans in any way. On the contrary, don’t pay it. By this I mean the increasing damage to sea and lake lagoons, the passing ship destroys and sinks them, in addition, the presence of newly built structures encroaching on the water environment.

The most troublesome thing for them is the bait, the fish and the hooks of fish that go after the hunter to the towns where they graze. The Indian dugong is therefore included in the red list of the International Union for the Conservation of Nature (IUCN) as a vulnerable, endangered species.

From a number of cities where it should theoretically occur, but for many years, the first day of its existence has not been reported. It was reported that even during the twentieth century it led to a sharp decrease in the number of its population, but without any details. And that’s why this year the German Academy of Science and Specialists of the London Zoological Society went on a hunt for dugongs. And their studies did not go well at first.

They are not visible here

The researchers conducted a wide-ranging survey, interviewing fish from the Chinese provinces so that they could refine their maps of the presence of dugongs. However, only five percent of the 788 respondents stated that they had ever seen dugongs in the past. The average date of the last observation was 23 years ago. There was nothing to complain about on the old maps, no one has seen dugongs here since 2008.

Historically, reports of dugong occurrence in the region peaked around 1960, and have declined rapidly since 1975, summarizes Mingli Lin, head of the research.

After 2000, there was no outdoor observation of a dugong, and since 2008, not even one. On the basis of these findings, we are forced to kill the animal, because in the last ten years the population of dugongs has rapidly collapsed and they are now functionally extinct, adds Mingli Lin.

The likely disappearance of the dugong outside is a resounding loss, said Samuel Turvey, co-author of the study. Their absence will have a negative impact on the functioning of the entire natural ecosystem and is thus a warning reminder that if there are only two of a species, another will be taken to protect it.

He put the mammal on write-off

Unfortunately, the Indian dugong is not the first large mammal to become extinct. In 2007, the bai-di, i.e. nsk n delfn, was among the probably extinct species. In the mighty delta of the Yangtze River and the Dongting and Poyang lakes connected to it, pit or these pocket dolphins were dolphins for twenty million years.

It took people less than fifty years to exterminate them by hunting, disfiguring the trees, and killing them. The expeditions that searched for them here did not find a single specimen.

The article is in Czech

Tags: sleepy giant dugongs humans extinct

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