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Since 1986, lead-based gunshot has been banned inter alia for hunting in ponds with the release of mallards (Anas platyrhynchos) in Denmark. To assess whether ingestion of gunshot by this common waterbird has changed as a result of this regulation, we purchased 690 mallard gizzards from ten Danish hunting districts with a program for the rearing and release of mallards for shooting purposes. After...
To analyse those factors that inhibit or facilitate the shift from lead to non-lead ammunition, it is important to evaluate the extent to which hunters can purchase suitable non-lead products. Based on an Internet search, we identified 22 European and 6 North American manufactures of non-lead shot cartridges distributed in 10 different countries. During the web search, we found non-lead shot cartridges...
Lead (Pb) from spent gunshot and fishing sinkers is recognized as the main source of Pb poisoning among waterfowl. It is also suspected to directly pollute water and sediments, but no appropriate, comprehensive evaluation of this issue has so far been carried out. An experiment on Pb pellets in microcosms (n = 160) with two sediment types (mud and gravel), three water pH values (4, 7 and 9) and two...
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