Journal Title
Title of Journal: Fish Sci
|
Abbravation: Fisheries Science
|
|
|
|
|
|
|
|
Authors: Yuta Inagaki Tetsuya Takatsu Takao Uenoyama Noriko Yoneda Shinichi Yokoyama Yoshihiko Kamei Naoto Kobayashi Toyomi Takahashi
Publish Date: 2015/06/18
Volume: 81, Issue: 4, Pages: 687-698
Abstract
To clarify effects of hypoxia on feeding and somatic condition of blackfin flounder Glyptocephalus stelleri we studied the temporal relationship between hypoxia and feeding intensity as well as the condition of this species in May and August 2006–2012 Hypoxia occurred near the seafloor in August between 2010 and 2012 but not in May Population densities of gammarid amphipods Ampelisca brevicornis and Melita sp the main prey items of blackfin flounder were consistently low however the somatic condition and feeding intensity of blackfin flounder increased during hypoxia Such an increase was not detected in May 2012 under nonhypoxic conditions These facts imply that the hypoxia increased prey availability for blackfin flounder through the increased exposure of the gammarids over the sea floor and thus resulted in improved body condition in August 2011 and 2012 Hypoxia positively would influence the somatic condition and feeding intensity of blackfin flounder in Funka Bay in August 2011 and 2012 however the somatic condition during this period did not reach the levels recorded in 1983 suggesting that habitat quality for blackfin flounder in Funka Bay in 2011 and 2012 was worse than that in 1983We would like to thank former Captains T Meguro S Yamaguchi and K Ohkoshi and the crew of the training ship Ushiomaru as well as the graduate students from the Graduate School of Fisheries Sciences and undergraduate students from the Faculty of Fisheries at Hokkaido University for their help with data collection We would also like to thank Associate Professor T Nakatani for his helpful comments This work was supported by a Grantin Aid for 2011–2012 FYs Research Projects to T Takatsu and Y Kamei from Hokusui Society Foundation Sapporo
Keywords:
.
|
Other Papers In This Journal:
- Pinger affects fish catch efficiency and damage to bottom gill nets related to bottlenose dolphins
- Development of the musculature and muscular abnormalities in larval seven-band grouper Epinephelus septemfasciatus
- Maturation process and reproductive biology of female Arabesque greenling Pleurogrammus azonus in the Sea of Japan, off the west coast of Hokkaido
- Evaluation of the pigmentation stages and body proportions from the glass eel to yellow eel in Anguilla japonica
- Ecosystem structure and trophic dynamics of an exploited ecosystem of Bay of Bengal, Sundarban Estuary, India
- Potential use of corn co-products in fishmeal-free diets for juvenile Nile tilapia Oreochromis niloticus
- Isolation and characterization of 16 polymorphic microsatellite markers from Nibea albiflora
- The current propagation systems and physiological studies of Japanese chum salmon
- Molecular cytogenetic study of genome ploidy in the German mirror carp Cyprinus carpio
- Physiological response of the eye to different colored light-emitting diodes in Japanese flying squid Todarodes pacificus
- Growth, nutrient utilization, oxidative condition, and element composition of juvenile red sea bream Pagrus major fed with fermented soybean meal and scallop by-product blend as fishmeal replacement
- Cloning and nutritional regulation of polyunsaturated fatty acid desaturase and elongase of a marine teleost, the nibe croaker Nibea mitsukurii
- Production and characterization of monoclonal antibodies to leukocytes and serum immunoglobulin in Japanese flounder Paralichthys olivaceus
- Interregional differences in mortality of aquacultured yellowtail Seriola quinqueradiata in relation to a Chattonella bloom in the Yatsushiro Sea, Japan, in 2010
- Understanding the accumulation features of POPs in squid from the offshore waters of southeast Korea
- The effect of lunar cycle, tidal condition and wind direction on the catches and profitability of Japanese common squid Todarodes pacificus jigging and trap-net fishing
- Vortex flow produced by schooling behavior of arabesque greenling Pleurogrammus azonus
- Lipid characteristics of coastal migratory Sarda orientalis tissues
- Reproductive cycle of the venerid clam Meretrix lusoria in Ariake Sound and Tokyo Bay, Japan
|