Arne Ludwig
Sturgeons and paddlefishes (Acipenseridae) are highly endangered freshwater fishes. Their eggs (sold as caviar) are one of the most valuable wildlife products in international trade. Concerns of overharvesting and the conservation status of many of the 27 extant species of Acipenseriformes led to al...
Elisa Boscari, Anna Barmintseva, Shuhuan Zhang, Huamei Yue et al.
Arne Ludwig, Jutta Jahrl, Leonardo Congiu, Joern Gessner et al.
A market study on sturgeon products in the Lower Danube countries (Bulgaria, Romania, Serbia and Ukraine) resulted in a total of 149 samples of caviar and meat, which we subjected to genetic-isotope analyses. The samples comprised 31 samples (21%) of illegal wild-caught origin, 17 samples (11.4%) so...
James Horncastle
AbstractThe limited studies that focus on the weaponization of refugees typically emphasize how liberal democracies and states with restricted carrying capacity are vulnerable to this tactic. The declining number of liberal democracies globally, the Russian-Ukraine War demonstrating states' true car...