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FLORA AND FAUNA
Algeria hunting season returns after quarter-century ban
by Staff Writers
Algiers (AFP) Sept 13, 2020

Curbs on hunting are to be lifted in Algeria from Tuesday after a ban of more 25 years first imposed during its bloody civil war of the 1990s.

The hunting season will run until February 15, said Agriculture Minister Abdelhamid Hamdani, quoted by national news agency APS.

Hunting was banned and farmers' rifles confiscated to prevent them falling the hands of Islamist militants during the war.

But wild boar hunting, for which Algeria is a destination for shooting holidays, was authorised in 2114 to combat the large increase in their numbers due to the ban.

'Superfungus' threatens last Panamanian golden frogs
Panama City (AFP) Sept 13, 2020 - Cocooned from the outside world, some 200 critically endangered golden frogs are living a sheltered existence in Panama, protected from a devastating fungus that threatens to wipe out a third of the country's amphibian species -- a situation scientists describe as "critical."

The frogs, which are yellow or gold with black spots, enjoy a controlled environment inside fish tanks installed at the Smithsonian Tropical Research Institute (STRI), a 5,000-square-foot (465-square-meter) facility in Gamboa, north of Panama City.

Though endemic to the lush Central American country, no Panamanian golden frog can be seen in its natural habitat, threatened as it is by a so-called "superfungus" that has decimated amphibians in the wild.

According to a report by the World Wildlife Fund (WWF) published this week, the planet has lost more than two-thirds of its vertebrates in less than 50 years.

The situation is especially dire in the tropical areas of Central and South America, where the extent of loss is pegged at 94 percent.

Believed extinct in the wild, only about 1,500 of the tiny Panamanian golden frogs are found in zoos where they can reproduce.

But it is not only frogs that are vulnerable to the fungus. Toads, salamanders and caecilians -- limbless amphibians similar to snakes -- are also at risk.

"In Panama, we can say that about a third of the 225 species of amphibians are threatened in some way," said STRI researcher Roberto Ibanez.

Gina Della Togna, a specialist in molecular and cellular biology at the University of Maryland, described the situation as "critical."

- 'Superfungus' -

The biggest threat posed to amphibians is chytrid fungus, which spreads through water.

The pathogen is responsible for chytridiomycosis, an infectious disease that scientists say has already caused the disappearance of some 30 species.

The fungus becomes embedded in the animal's skin and infects it, causing it to be unable to exchange salts and water with the environment.

The disease causes irreparable damage to vital functions. Eventually the animal dies of heart failure caused by asphyxiation.

"It's a pretty dramatic and painful disease," said Angie Estrada, a biologist at Virginia Tech University and administrator of Panama's Summit Park.

"When the fungus gets to a place where it wasn't, it affects populations very much and animals die en masse. It causes certain death in the individuals it infects. It's a devastating phenomenon," said Della Togna.

The microorganism was first detected in the 20th century in the Korean Peninsula and scientists warn that it has already spread throughout the world.

"Anywhere in the world where there are amphibians, the fungus is already there," said Estrada.

It arrived in Panama in the early 1990s and has been wreaking havoc ever since.

"It's a superfungus that can even affect other species that are not amphibians," according to Ibanez.

He warned that deforestation, environmental destruction and pollution of streams and rivers caused by humans exacerbate the problem.

- Glimmers of hope -

Despite the gloomy scenario, scientists point to some glimmers of hope, saying that in the past few years some species believed to have gone extinct have been re-discovered.

Specialists suspect that some amphibians have been able to bolster their defenses against infection.

"This gives us hope, knowing that some frogs are returning and that they have ways to counter-attack" the fungus, said Estrada.

Meanwhile, in Gamboa, the STRI maintains some 2,000 specimens from 12 frog species in the hope they can one day be released into the wild to fend for themselves.

"The idea is not to keep these animals in captivity forever. We want to be able to reestablish populations in their natural habitat," said Ibanez.

To that end, Smithsonian researcher Della Togna is carrying out an assisted reproduction project, where she freezes the animals' semen in order to impregnate the females and increase their numbers.

With great care, she injects hormones into the tiny frogs that appear to get lost in the palm of her hand.

"Of all the different animals, amphibians are the world's most threatened," Della Togna said.


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FLORA AND FAUNA
World wildlife plummets more than two-thirds in 50 years: index
Paris (AFP) Sept 9, 2020
Global animal, bird and fish populations have plummeted more than two-thirds in less than 50 years due to rampant over-consumption, experts said Thursday in a stark warning to save nature in order to save ourselves. Human activity has severely degraded three quarters of all land and 40 percent of Earth's oceans, and our quickening destruction of nature is likely to have untold consequences on our health and livelihoods. The Living Planet Index, which tracks more than 4,000 species of vertebrate ... read more

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FLORA AND FAUNA
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FLORA AND FAUNA
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