Further Observations on Fish Growth in a Fertilized Sea Loch (Loch Craiglin)
- 1 June 1949
- journal article
- research article
- Published by Cambridge University Press (CUP) in Journal of the Marine Biological Association of the United Kingdom
- Vol. 28 (1) , 1-8
- https://doi.org/10.1017/s002531540005520x
Abstract
Flounders grew much more slowly in 1944 than during the previous 2 years. From October 1943 to October 1944 their mean size increased from 7·9 cm., 6·8 g., to 12·7 cm., 23·6 g., an increment which was if anything smaller than under normal conditions. The reason for the reduction in growth rate is attributed to the increasingly unfavourable hydrographic conditions resulting from the prolonged closure of the dam, in particular to the high H2S concentration, the high pH and the low oxygen concentration of the water.In the autumn of 1944 the sluice gate of the dam was opened for several months. In 1945/46 the growth of stock III flounders was very rapid. They reached a mean size of 32·3 cm., 409 g., in March 1946 and 36·8 cm., 580 g., in March/April 1947. Native flounders reached a mean size of 30·6 cm., 353 g., in 2 years.This publication has 4 references indexed in Scilit:
- Further Experiments on the Fertilization of a Sea Loch (Loch Craiglin). The Effect of Different Plant Nutrients on the PhytoplanktonJournal of the Marine Biological Association of the United Kingdom, 1948
- V.—An Experiment in Marine Fish Cultivation: V. Fish Growth in a Fertilized Sea-loch (Loch Craiglin)Proceedings of the Royal Society of Edinburgh. Section B. Biology, 1947
- III.—An Experiment in Marine Fish Cultivation: III. The Plankton of a Fertilized LochProceedings of the Royal Society of Edinburgh. Section B. Biology, 1947
- APPLICATION OF FERTILIZERS TO AN OPEN SEA LOCHNature, 1946