They have also brought a thorough description of the specific conditions that the fishing industry is facing in Finland: specific climatic conditions with ice and darkness in winter, the topography of the coastal waters with shallow waters and uneven sea-bottom, the existence of a large seal population.
Nad kirjeldasid põhjalikult ka Soome kalanduses valitsevaid eritingimusi: erilised ilmastikuolud talvise jää ja pimedusega, rannikumere madal veetase ja rünklik merepõhi, suur hülgepopulatsioon.