Détail de l'auteur
Auteur Thorsten Johannes Skovbjerg Balsby |
Documents disponibles écrits par cet auteur (3)
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Article
Niels Kanstrup, Auteur ; Anthony D. Fox, Auteur ; Thorsten Johannes Skovbjerg Balsby, AuteurUse of lead shot for hunting was banned under legislation on 26 Ramsar sites in Denmark from 1986, based on evidence of poisoning in waterbirds ingesting lead shot and high lead shot pellet densities in Danish wetland sediments caused by intensi[...]![]()
Article
Niels Kanstrup, Auteur ; Thorsten Johannes Skovbjerg Balsby, AuteurDenmark implemented a total ban on the use of lead shot for hunting and clay target shooting in 1996. Compliance was not studied systematically until recently. However, sporadic police checks and individual studies indicated that compliance was [...]![]()
Article
Thorsten Johannes Skovbjerg Balsby, Auteur ; Poul Hansen, AuteurSong repertoires are often important determining factors in sexual selection. In several species, older males have larger repertoires than 1-year-old males. The development of large song repertoires by an individual is, however, poorly understoo[...]



