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Seasonal Changes in the Energy Content of Females of the Fiddler Crab, Uca Lactea, Especially During the Reproductive Period

Seasonal Changes in the Energy Content of Females of the Fiddler Crab, Uca Lactea, Especially... SEASONAL CHANGES IN THE ENERGY CONTENT OF FEMALES OF THE FIDDLER CRAB, UCA LACTEA , ESPECIALLY DURING THE REPRODUCTIVE PERIOD BY TAKAO YAMAGUCHI Aitsu Marine Biological Station, Matsushima-cho, Amakusa-gun, Kumamoto 861-6102, Japan ABSTRACT Adult females of Uca lactea were dissected and the dry weight of their hepatopancreas, ovary, and other portions of the body was measured separately. Hepatopancreas and ovary indices (H. I. and O. I., respectively) were deŽ ned as the percentage of their dry weight against that of the whole body. From the relationship equation, the dry weight of a 13 mm CW female was calculated. A large seasonal change in weight was recognized. It was high in June and low during August and October. H. I. was highest in May and lowest in August. O. I. was inversely related to H. I. and was highest by the end of June and early July. The caloric value of the body was obtained by totalling the caloric contents of hepatopancreas, ovary, and other parts of the body. The value was highest in May and lowest in August or October. The caloric value of the body of ovigerous females in August was only 52-57% of the maximum caloric content http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Crustaceana Brill

Seasonal Changes in the Energy Content of Females of the Fiddler Crab, Uca Lactea, Especially During the Reproductive Period

Crustaceana , Volume 76 (11): 27 – Jan 1, 2003

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References (26)

Publisher
Brill
Copyright
Copyright © Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0011-216X
eISSN
1568-5403
DOI
10.1163/156854003323009867
Publisher site
See Article on Publisher Site

Abstract

SEASONAL CHANGES IN THE ENERGY CONTENT OF FEMALES OF THE FIDDLER CRAB, UCA LACTEA , ESPECIALLY DURING THE REPRODUCTIVE PERIOD BY TAKAO YAMAGUCHI Aitsu Marine Biological Station, Matsushima-cho, Amakusa-gun, Kumamoto 861-6102, Japan ABSTRACT Adult females of Uca lactea were dissected and the dry weight of their hepatopancreas, ovary, and other portions of the body was measured separately. Hepatopancreas and ovary indices (H. I. and O. I., respectively) were deŽ ned as the percentage of their dry weight against that of the whole body. From the relationship equation, the dry weight of a 13 mm CW female was calculated. A large seasonal change in weight was recognized. It was high in June and low during August and October. H. I. was highest in May and lowest in August. O. I. was inversely related to H. I. and was highest by the end of June and early July. The caloric value of the body was obtained by totalling the caloric contents of hepatopancreas, ovary, and other parts of the body. The value was highest in May and lowest in August or October. The caloric value of the body of ovigerous females in August was only 52-57% of the maximum caloric content

Journal

CrustaceanaBrill

Published: Jan 1, 2003

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