| occurrence and assessment of perfluorinated chemicals in wild fish from northern germany. | residues of the perfluorinated chemicals perfluorooctanesulfonate (pfos) and perfluorooctanoicacid (pfoa) were investigated in wild fish caught from different german waters including the north and the baltic sea, lake storkow in brandenburg, several rivers in lower saxony, and rivers and lakes in the city of berlin. the sample locations represent waters with no, low, medium and high portions of treated municipal sewage discharges. the investigated fish filet samples included 51 wild eels, 44 bre ... | 2010 | 20044123 |
| species-specific preferences of german recreational anglers for freshwater fishing experiences, with emphasis on the intrinsic utilities of fish stocking and wild fishes. | to answer the question, whether anglers have an intrinsic preference for stocking or a preference for catch outcomes (e.g. catch rates) believed to be maintained by stocking, a discrete choice experiment was conducted among a sample of anglers (n = 1335) in lower saxony, germany. after controlling for catch aspects of the fishing experience, no significant influence of two stocking attributes (stocking frequency and composition of the catch in terms of wild v. hatchery fishes) on the utility gai ... | 2014 | 25469949 |