This is Lead Week on this blog. Just a few notes as background. The Red Grouse samples whose analyses are reported here were bought in Iceland Stores in September 2015 and sent off for analysis in October. I received the results from the laboratory a week ago today. I was quite busy at the end…
Author: Mark
Born Bristol, UK
Educated: Cleeve House School Bristol, Bristol Grammar School and Downing College Cambridge
Ph.D. University of Aberdeen, Winter activity of pipistrelle bats.
NERC post-doctoral Research Fellow, Edward Grey Institute, Oxford University
Former Conservation Director of the RSPB, 1989-2011
Lead Week, 12 #Pbweekmia
This is Lead Week on this blog. We now know that, on the basis of this sample of 40 Red Grouse, Iceland Foods have been selling grouse meat with average lead levels over 100 times the maximum legal level for other meats (though it is legal for them to sell game meat with such high…
Lead Week, 11 #Pbweekmia
This is Lead Week on this blog. These are the same data presented in a slightly different way – here we can see the means of the data in each category of #shot removed. You can see that the mean lead levels of the samples rise with the number of shot found in each Red…
Lead Week, 10 #Pbweekmia
This is Lead Week on this blog. OK – so these are the data. Remember, all the shot were removed from these samples, by a combination of searching by hand and eye and then X-raying the samples. These lead levels refer to the lead left in the meat after the lead shot is removed –…
Lead Week, 9 #Pbweekmia
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This is Lead Week on this blog. Lead is of course poisonous to wildlife too. It is estimated that around 73,000 ducks die in the UK each winter of lead poisoning – they ingest particles of spent lead ammunition in mistake for food or grit. Around 400 ducks will have died from lead poisoning in…