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Alarming decline in flying insects

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Alarming decline in flying insects

Post Neon Knight on Tue 24 Oct - 21:12

http://www.bbc.co.uk/news/science-environment-41670472 Selected quoting:

Scientists have long suspected that insects are in dramatic decline, but new evidence confirms this. Research at more than 60 protected areas in Germany suggests flying insects have declined by more than 75% over almost 30 years. And the causes are unknown.

The study is based on measurements of the biomass of all insects trapped at 63 nature protection areas in Germany over 27 years since 1989. The data includes thousands of different insects, such as bees, butterflies and moths.

Scientists say the dramatic decline was seen regardless of habitat, land use and the weather, leaving them at a loss to explain what was behind it. They stressed the importance of adopting measures known to be beneficial for insects, including strips of flowers around farmland and minimising the effects of intensive agriculture. And they said there was an urgent need to uncover the causes and extent of the decline in all airborne insects.

The loss of insects has far-reaching consequences for entire ecosystems. Insects provide a food source for many birds, amphibians, bats and reptiles, while plants rely on insects for pollination. The decline is more severe than found in previous studies.

Dr Lynn Dicks, from the University of East Anglia, UK, who is not connected with the study, said the paper provides new evidence for "an alarming decline" that many entomologists have suspected for some time. "If total flying insect biomass is genuinely declining at this rate (around 6% per year), it is extremely concerning," she said. "Flying insects have really important ecological functions, for which their numbers matter a lot."

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Re: Alarming decline in flying insects

Post Aëlwenn on Tue 24 Oct - 22:44

Very sad and alarming. And UE want to continue with glyphosate...
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Re: Alarming decline in flying insects

Post Sary on Thu 26 Oct - 23:12

It is debatable what is causing the decline of flying insects,it could be something man made like pesticides or global warming. Nobody is really sure .

What ever the case,we can not sit back and watch it happen. Honey bees in particular play an important role in our ecosystem. It gives me hope ,that scientists are making progress on some sort of solution,even though it is a bit creepy.

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Re: Alarming decline in flying insects

Post de Burgh on Fri 27 Oct - 16:40

Its a pity because such imbalances in nature will have a direct consequence on the world around us. Which is why its good that such dire situations are being monitored as it should be; to help ensure nature's stability/preservation one step at a time! :-P

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'The most merciful thing in the world, I think, is the inability of the human mind to correlate all its contents. We live on a placid island of ignorance in the midst of black seas of infinity, and it was not meant that we should voyage far. The sciences, each straining in its own direction, have hitherto harmed us little; but some day the piercing together of dissociated knowledge will open up such terrifying vistas of reality, and of our frightful position therein, that we shall either go mad from the revelation or flee from the light into the peace and safety of a new dark age. [...]'
˜ H.P. Lovecraft
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Re: Alarming decline in flying insects

Post Neon Knight on Fri 27 Oct - 23:17

I'm not fan of insects, flying or crawling, but obviously many of them are important for ecosystems. It seems we are relying upon science to solve our environmental problems in future because most of us are not willing to give up our consumer lifestyles, or even to moderate them. It is quite a gamble.

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Re: Alarming decline in flying insects

Post de Burgh on Sat 28 Oct - 19:30

@Neon Knight wrote:I'm not fan of insects, flying or crawling, but obviously many of them are important for ecosystems. It seems we are relying upon science to solve our environmental problems in future because most of us are not willing to give up our consumer lifestyles, or even to moderate them. It is quite a gamble.

Nicely said! :-P
This part is very true for modern day lifestyles. This is merely a byproduct of capitalism, globalized markets and highly technological societies where convenience is the utmost virtue. Where our conveniences weigh more in importance at nature's expense. Not to sound gloomy and all (lol :-P), but it is simply human nature. We are innately overly-hedonistic and selfish by nature.

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'The most merciful thing in the world, I think, is the inability of the human mind to correlate all its contents. We live on a placid island of ignorance in the midst of black seas of infinity, and it was not meant that we should voyage far. The sciences, each straining in its own direction, have hitherto harmed us little; but some day the piercing together of dissociated knowledge will open up such terrifying vistas of reality, and of our frightful position therein, that we shall either go mad from the revelation or flee from the light into the peace and safety of a new dark age. [...]'
˜ H.P. Lovecraft
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Re: Alarming decline in flying insects

Post Neon Knight on Wed 13 Feb - 0:11

https://www.dailymail.co.uk/sciencetech/article-6689581/Scientists-warn-insects-extinct-century.html Quoting:

World's insects could be wiped out 'within a century' as scientists warn they are dying out eight times faster than mammals

* Insects are dying out eight-times faster than mammals, birds and reptiles
* Study suggests that insects could become extinct in 100 years at this rate
* The decline, described as a worldwide crisis, is blamed on intensive agriculture
* Scientist say we have entered the first mass extinction since the dinosaurs

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Re: Alarming decline in flying insects

Post OsricPearl on Thu 14 Feb - 18:46

They're always on about stuff dying off in the next one hundred years, so I don't take things too seriously. But, I do think that the pesticides that we use in mass farming is probably having an effect on the insect population.
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Re: Alarming decline in flying insects

Post Sary on Sat 16 Feb - 18:48

I am not a fan of  insects either, especially the ones that bite.
It makes my skin crawl just thinking about them.
Too bad that they are an important part of our ecosystem, because I could imagine a world with out them just fine!

At least in the winter, they are not so bad.
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Re: Alarming decline in flying insects

Post OsricPearl on Mon 18 Feb - 16:18

@Sary wrote:I am not a fan of  insects either, especially the ones that bite.
It makes my skin crawl just thinking about them.
Too bad that they are an important part of our ecosystem, because I could imagine a world with out them just fine!

At least in the winter, they are not so bad.

I actually like most insects. As long as they aren't flies, mosquitoes, tarantulas, or roaches, I'm OK with them. I especially like millipedes.
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Re: Alarming decline in flying insects

Post Sary on Tue 19 Feb - 1:44

@OsricPearl wrote:
@Sary wrote:I am not a fan of  insects either, especially the ones that bite.
It makes my skin crawl just thinking about them.
Too bad that they are an important part of our ecosystem, because I could imagine a world with out them just fine!

At least in the winter, they are not so bad.

I actually like most insects. As long as they aren't flies, mosquitoes, tarantulas, or roaches, I'm OK with them. I especially like millipedes.

I get really bad reactions from bug bites, often times accompanied by secondary bacterial infections requiring antibiotic. My skin becomes inflamed and itches so bad that I cannt help but to scratch. Sand fleas are the worst, that is one of the reasons why I don't like Florida. Too many bugs!
Horse flys, hornets, bees, bed bugs, scabies....yuck.
The only insect that I like are butterflies.
Millipedes don't bite, I guess they are good food for birds and such, but still,
Ewww
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