Keith Gittens
@bladetail.bsky.social
📤 35
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North Yorkshire County Dragonfly Recorder, naturalist, conservationist.
Hundreds of Small Red-eyed Damselflies at a private site in the Howardian Hills today. With many in tandem egg-laying sites were in high demand!!
2 months ago
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reposted by
Keith Gittens
Palustris
4 months ago
I've been arguing for many years that dogs bathing in ponds severely impact aquatic invertebrate communities, even where habitat quality appears good. The effects seem very persistent. The journal article is here:
bvajournals.onlinelibrary.wiley.com/doi/10.1002/...
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Swimming emissions from dogs treated with spot‐on fipronil or imidacloprid: Assessing the environmental risk
Background Fipronil and imidacloprid are increasingly recognised as contaminants of concern in aquatic environments. This study aimed to quantify swimming emissions from dogs treated with spot-on fi...
https://bvajournals.onlinelibrary.wiley.com/doi/10.1002/vetr.5560
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reposted by
Keith Gittens
Palustris
4 months ago
Spot-on flea treatments: "even after 28 days, the amount of pesticide coming off a single large dog in this time frame would be enough to exceed safe levels if mixed into a 100-cubic-metre body of water"
www.newscientist.com/article/2482...
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Dogs pollute water with pesticides even weeks after flea treatment
When dogs given spot treatments for fleas go swimming, they release levels of pesticides dangerous to aquatic life for at least a month after the treatment
https://www.newscientist.com/article/2482650-dogs-pollute-water-with-pesticides-even-weeks-after-flea-treatment/
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One of three very fresh Large Red Damselflies at Strensall Common today. First of the season.
6 months ago
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