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Amphibians news, articles and information:

a long time ago - Amphibians news, articles and information:

Animal populations rapidly decline all over the world, many amphibians on the verge of extinction

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Common crop herbicide Atrazine linked to reproductive mutations in amphibians

August 27, 2007 - Common crop herbicide Atrazine linked to reproductive mutations in amphibians

Monday, August 27, 2007 by: Christian EvansTags: Atrazine, pesticides, amphibians

A scientific study revealed the truth

Results of the EPA investigation

Denying the problems with Atrazine

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Will the world soon no longer have amphibians? Global populations rapidly decreasing

June 09, 2016 - Will the world soon no longer have amphibians? Global populations rapidly decreasing

Thursday, June 09, 2016 by: David Gutierrez, staff writerTags: amphibians, extinction, environmental causes

Causes vary by region

Local conservation actions crucial

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Turn off the lights: Exposure to light at night is harmful for amphibians, research finds

January 23, 2020 -

In a study published in the journal Environmental Pollution, Jessica Hua, Assistant Professor of Biological Sciences at SUNY Binghamton, said that with the prevalence of light pollution today, they wanted to investigate its potential effect on amphibians, noting that as amphibians are sensitive to environmental changes, they make “great models” when it comes to studying how pollution of any type can impact other species.

As detailed in the study, Hua, ...

Turn off the lights: Exposure to light at night is harmful for amphibians, research finds

January 14, 2020 -

Turn off the lights: Exposure to light at night is harmful for amphibians, research finds

Tuesday, January 14, 2020 by: Michael Alexander

Tags: animals, badpollution, biodiversity, conservation, deforestation, Ecology, Endangered species, environment, extinction, light pollution, pollution, wildlife

Turn down your lights at night, fellow humans ?– it might be doing more harm than good to Kermit and his fellow amphibians, ...

Animal populations rapidly decline all over the world, many amphibians on the verge of extinction

April 30, 2011 - Animal populations rapidly decline all over the world, many amphibians on the verge of extinction

Saturday, April 30, 2011 by: Ethan A. Huff, staff writerTags: animal populations, decline, health news

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Cool science: Researchers have successfully observed how fish and amphibians regenerate tissue into their perfect original shape

May 30, 2018 -

Fish and amphibians are known for their advanced tissue repair which make them capable of regrowing certain organs, such as their limbs, to their original state. Not much had been known about this kind of ability, nor the source of cells supplied in the regeneration process.

The research team, led by Atsushi Kawakami, Associate Professor at the Tokyo Institute of Technology, investigated this biological mechanism using zebrafish fins as their study model.

The ...

Fascinating study finds that the presence of atmospheric oxygen triggers the removal of webbed digits in amphibians and amniotes

February 08, 2020 - amphibians regenerate tissue into their perfect original shape.)

According to Mikiko Tanaka, senior author of the study and associate professor at the Tokyo Institute of Technology's School of Life Science and Technology, the development  of free fingers through interdigital cell death depends on the production of reactive oxygen species (ROS). ROS are a type of chemical species that contains oxygen, such as free radicals. Furthermore, they believe that ROS only ...

Highly resistant diseases are wiping out the world’s amphibians: Massive die-off of frogs is leaving a gaping hole in the food chain

March 27, 2019 -

According to a recent study conducted by the United States Geological Survey (USGS) which was published in Nature, of the 247 frog die-offs in 43 states between the years 1999 and 2015, 21 major mortality events had been caused by severe Perkinsea infections (SPI) in a total of 10 states.

In a statement that was released on Tuesday, September 19, the USGS said that the loss of habitat and chemical pollution, among other problems, are instigating the death of amphibians ...

World's frog species face extinction due to pollution and climate change, scientists warn

July 07, 2006 - World's frog species face extinction due to pollution and climate change, scientists warn

Friday, July 07, 2006 by: NewsTargetTags: amphibians, frog species, life scienceIf funding is secured, the Amphibian Survival Alliance will monitor and research amphibians, as well as engage in disease management and captive breeding.Since amphibians' 300 million year history of existence predates the earliest known dinosaurs, scientists are troubled by ...

Carnivorous pitcher plants have an occasional taste for vertebrates, study finds

January 18, 2020 - amphibians, biodiversity, botany, carnivorous plants, conservation, cool science, discoveries, Ecology, environment, goodscience, pitcher plants, Plants, salamanders, weird science, wildlife

While the northern pitcher plant (Sarracenia purpurea) is well-known for consuming insects and other invertebrates as supplementary food, a recent study published in the journal Ecology points out that about one in five pitcher plants in Ontario’s Algonquin Provincial Park ...

Carnivorous pitcher plants have an occasional taste for vertebrates, study finds

February 04, 2020 - amphibians may have used the plants as refuge once they reached dry land.

“When plants were approached or disturbed, most salamanders rapidly swam to the bottom of the pitcher and tightly wedged themselves out of sight in the narrow, tapered stem of the pitcher,” the researchers noted in their paper. However, they noted that it is also possible that the amphibians were in fact drawn to the pitchers by the insects feeding on the plants’ nectar.

Once ...

Gender dysphoria: Why isn’t Big Government talking about atrazine?

August 18, 2023 - amphibians, reptiles, and human cell lines. Studies also indicate that atrazine reduces testicular volume, induces hermaphroditism, reduces testosterone, and induces testicular oogenesis. The PNAS authors remarked that despite the “wealth of data from larvae and newly metamorphosed amphibians,” the “ultimate impact of atrazine’s developmental effects on reproductive function and fitness at sexual maturity” has not been explored. Why not? Speaking of the need for ...

This killer flesh-eating fungus has wiped out 90 amphibian species and scientists say it isn’t done

August 19, 2019 -

Chytridiomycosis eats the moist skin of amphibians, leaving the animals vulnerable. It wiped out 90 species and continues to cause infrequent deaths in frogs, toads, salamanders, etc.

More than 60 countries confirmed the presence of chytridiomycosis in local amphibian populations. Australia and countries in Central America and South America got hit the worst. The U.S. has a different but similarly dangerous problem in Perkinsea.

Researchers from the Australian ...

Pesticides impair the fertility of male frogs, causing a female-biased sex ratio

July 12, 2018 - amphibians is shifting in favor of females.

The story gets worse as the frogs reach adulthood, with male fertility being seriously impaired and gender-specific features becoming noticeably more feminine. They believe this is because the pesticide is stopping the functioning of testosterone inside their bodies.

Project leader and Exotoxicologist Cecilia Berg said these results illustrate how pesticides cause permanent damage in frogs who are exposed when they’re ...

Roundup herbicide can alter morphology of animals - new study

April 11, 2012 - Roundup herbicide can alter morphology of animals - new study

Wednesday, April 11, 2012 by: Jonathan Benson, staff writerTags: Roundup, amphibians, deformities

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Researchers struggle to find effective way to mitigate damage done by atrazine, a common weedkiller known to harm human health, wildlife, aquatic life

October 18, 2017 -

There is a growing body of research documenting its dangerous effects, many of which are related to endocrine disruption and reproductive health. It has been shown to cause chemical castration in male amphibians even at exposure to levels within the drinking water standards set by the EPA. In one experiment, a tenth of the male tadpoles who grew in water with atrazine became “functionally female”, meaning they were born male but produced eggs. Many of the male-presenting ...

Geological records show correlation between falling CO2 levels and mass extinction events

March 18, 2024 - amphibians were no longer able to thrive, leading to their extinction. High altitude ecosystems, which depend on higher overall oxygen levels, became uninhabitable.

Consequentially, there were plant extinction rates greater than 60% and the extinction of Diadactes and Edaphosaurus, which were a plant-eating, reptile-like species. As the extinction events continued, Dimetrodon predator populations collapsed and up to 80% of all vertebrate genera died off. When phytoplankton ...

The lengths parents go to: World’s largest frogs protect their young by building their own “nursery ponds”

May 23, 2020 - amphibians: Massive die-off of frogs is leaving a gaping hole in the food chain.)

Rodel said that he and his colleagues conducted their study so that, in the future, if captive breeding programs are necessary to preserve and expand the goliath frog's populations, conservationists would know what to do.

Learn more about amphibians like the goliath frog and their role in the ecosystem at Ecology.news.

Sources include:

LiveScience.com

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Frogs news, articles and information:

a long time ago - Frogs news, articles and information:

Tree frogs in my garden: Health Ranger photos show delightful result of chemical-free gardening

Common herbicide used on U.S. crops castrates male frogs

Common crop herbicide Atrazine linked to reproductive mutations in amphibians

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