Memorial University DAI: The ecology and feeding habits of the American lobster (Homarus Americanus (Milne-Edwards, 1837)) in Newfoundland

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Title	The ecology and feeding habits of the American lobster (Homarus Americanus (Milne-Edwards, 1837)) in Newfoundland
Author	Reddin, David.
Description	Thesis (M.Sc.) -- Memorial University of Newfoundland, 1973. Biology
Date	1973
Pagination	v, 101 leaves : ill.
Subject	Lobsters; Fishes--Food;
Degree	M.Sc.
Degree Grantor	Memorial University of Newfoundland. Dept. of Biology
Discipline	Biology
Language	Eng
Spatial Coverage	Canada--Newfoundland and Labrador
Notes	Bibliography : leaves 81-83.
Abstract	The feeding habits, energy intake, and prey preferences of Homarus americanus were examined in the laboratory. Preference was determined by placing various animals in tanks with lobsters. This confirmed that sea urchins, crabs, mussels and periwinkles are readily eaten by lobsters. Feeding was observed at night using an infrared light and the feeding actions were described. The caloric intake of four lobsters maintained for one year, two at 15C, were measured. It varied directly with fluctuations in the water temperature. It was learned that a sea urchin's ability to grip its substrate depends directly on the sea water temperature. Thus as lobster food they are more easily acquired during the colder winter months. -- A distribution study considered both food and bottom type. It indicated a direct correlation between landings and distribution of lobsters; and between lobsters, bottom type and food.
Type	Text
Resource Type	Electronic thesis or dissertation
Format	Image/jpeg; Application/pdf
Source	Paper copy kept in the Centre for Newfoundland Studies, Memorial University Libraries
Local Identifier	76006217
Rights	The author retains copyright ownership and moral rights in this thesis. Neither the thesis nor substantial extracts from it may be printed or otherwise reproduced without the author's permission.
Collection	Electronic Theses and Dissertations
Scanning Status	Completed
PDF File	(31.66 MB) -- http://collections.mun.ca/PDFs/theses/Reddin_David.pdf
CONTENTdm file name	319317.cpd