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Apple blossoms. At the dawn of the age of chemical insecticides, a photo of pretty flowers accompanies an ad promoting their use . 1941.
Science History Institute
The results identified a 12% increase in the presence of insectivorous birds like chaffinches, blackbirds, and black caps.
The first large-scale study to investigate the impact on bird populations from the 2018 European Union ban on a universal insecticide has determined that birds have recovered as much as 3% since 2018.
Given that 57 species of birds were included in the survey, the 3% rise suddenly seems a lot more meaningful, and the scientists behind the study are confidant that the ban is positively affecting their populations.
The insecticide in question is a class of chemical called neonicotinoids, which are sprayed on crops and absorbed into the plants’ leaves where they render them effectively toxic to insects that like to munch on them.
Introduced to the EU the 1990s, mass die-offs of bees were reported in France in the early 2000s, and by the following decade, there was major pressure to implement a control on the use of neonicotinoids.
In 2018, that ban was finally instated despite opposition from agricultural producers, and various interests then remained keen to see whether it made a meaningful effect.
“Our results clearly point to neonicotinoid bans as an effective conservation measure for insectivorous birds,” said Thomas Perrot, from the Foundation for Biodiversity Research in France.
The scientists published their study in the journal Environmental Pollution. Their strategy involved measuring 1.25 mile by 1.25 mile plots of cropland or meadows in 1,900 places across France. The plot surveys were conducted by ornithologists on the lookout for 57 species of birds, and the study ran from 2013-2018 and then again from 2019-2022.
Neonicotinoids are expected to play a significant role in the decline of bird populations through their adverse effects on food resources (p
The results identified a 12% increase in the presence of insectivorous birds like chaffinches, blackbirds, and black caps. The authors themselves entitled their paper “weak recovery of insectivorous bird populations after ban of neonicotinoids in France,” an acknowledgement that a 2-3% standardized increase in bird populations could be down to other factors, and that perhaps their original declines seen during the pre-ban period weren’t a result of eating poisoned insects.
After all, if the general messaging on the changing climate in Europe is to be consulted, then other major mortality factors like heatwaves, habitat loss, and wildfires could have reduced bird populations.
“It’s a study that shows there may be early signs of weak population recovery but the results are uncertain and could be down to other correlated factors,” James Pearce-Higgins, director of science at the British Trust for Ornithology, told the Guardian in the wake of the study’s release.
Analysis shows small hike in populations of insect-eating species after 2018 ruling, but full recovery may take decades
Perrot addressed the concern, also speaking with the English paper.
“But we think that’s normal, because studies on other pesticides like DDT show that most bird populations take 10 to 25 years to fully recover.”
In the words of every scientist ever published in the history of humanity, then: more research is needed. In the interest of uniting interests, it would make an interesting study to see whether the bird population recovery, should the following years find that it sustains and increases, reduces the burden of crop-eating insects in farmers’ fields. Then maybe insecticide use could be halted voluntarily.
Center for Biological Diversity: Agreement Ends Decades of Pesticide Office Refusing to Comply with Endangered Species Act
A historic legal agreement approved in federal district court yesterday afternoon commits the Environmental Protection Agency to a suite of proposed reforms to better protect endangered species from pesticides. The settlement, which covers more than 300 pesticide active ingredients, marks the culmination of the largest Endangered Species Act case ever filed against the EPA. Under the agreement’s terms, the EPA will develop strategies to reduce the harm to endangered species from broad groups of pesticides, including herbicides and insecticides, while taking further steps to target meaningful, on-the-ground protections to endangered species most vulnerable to harm from pesticides.
Thanks @walking-on-a-scream for the submission!
Insecticides have been used for centuries to counteract widespread pest damage to valuable food crops. Eventually, over time, beetles, moths
Insecticides have been used for centuries to counteract widespread pest damage to valuable food crops. Eventually, over time, beetles, moths, flies and other insects develop genetic mutations that render the insecticide chemicals ineffective. Escalating resistance by these mutants forces farmers and vector control specialists to ramp up use of poisonous compounds at increasing frequencies and concentrations, posing risks to human health and damage to the environment since most insecticides kill both ecologically important insects as well as pests.
Continue Reading.
Life - June 21st 1948
Robert F. Kennedy Jr. is doubling down on his support for an executive order that would aim to boost the production of a controversial weedk
Mexican Brand Insect Fluid package label - 1915.
O’ sweet bug buddies
:Insecticides a future roblox game I plan to create: heavily inspired by dandysworld and bloxburg!
