A spatial study of networking in the Vistula Lagoon region using geoinformation systems
... municipalities. The key objective set by the authors of the article is to justify the need for studying the emerging network cooperation with the help of both traditional methods of geography and modern GIS; a specific case is made of the cross-border Vistula lagoon region — the one that brings together Russian and Polish municipalities. The authors provide with the background for the search of possible development strategies in the region, and note that the creation of a regional GIS structure can become ...
Experimental assessment of the influence of certain aspects of baltic herring spawning on the model species of cladocerans
Experiments were conducted to investigate the influence of gametes and water collected from spawning aggregations of the Baltic herring Clupea harengus membras in the Vistula Lagoon on the survival, growth, molting frequency, number of eggs in the brood chamber, and offspring production of the model planktonic crustacean species Daphnia magna. In the first series of experiments, a fixed volume of a suspension of gametes from ...