Report of the Danish Biological Station to the Ministry of Shipping and Fishing . the centre of the Limfjordseveral whelks occur on an area no larger thau the floor of a room; as they areable to crawl rather rapidly, we can understand how, in the course of a few hours,they might easily find a dead fish lying on the bottom and devour the the other hånd, they will not touch rotten fish; experiments with soiled baitin the hive-traps have clearly proved this. Sometimes dead fishes can be foundin numbers on the bottom of the Limfjord; this was the case in 1909 in the spring,when a great
Report of the Danish Biological Station to the Ministry of Shipping and Fishing . the centre of the Limfjordseveral whelks occur on an area no larger thau the floor of a room; as they areable to crawl rather rapidly, we can understand how, in the course of a few hours,they might easily find a dead fish lying on the bottom and devour the the other hånd, they will not touch rotten fish; experiments with soiled baitin the hive-traps have clearly proved this. Sometimes dead fishes can be foundin numbers on the bottom of the Limfjord; this was the case in 1909 in the spring,when a great number of eels had been frozen dead in the wiuter; they were rottenbefore the whelks had any desire to feed, but I have never seen auythiug similarin the summer; everything eatable which siuks to the bottom is evideutlj quicklydevoured at that season. It is very difficult to find out, how great is the number of net-entangledplaice which are devoured by the whelks throughout the year, as this depends onso many circumstances. For example, it is especially in tlie warmest summer. months, that the worst attacks of the whelks take place; but tlie ainouut of thedamage done daily by the whelks depends greatly on the way fishermendeal with their nets. If they let the nets stand out for 24 hours, most of thefishes attached in it ara often devoured, and if a storm rises which prevents thenets being taken up just one single day, so that they remaiu out 48 hours, practi-cally everything is destroyed. If, on the other haud, the fishermen attend to the
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Keywords: ., bo, bookcentury1900, bookdecade1910, bookidreportofdanishbi19dans
