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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
> Journal Vol & Issue
Korean Journal of Fisheries and Aquatic Sciences
Journal Basic Information
Journal DOI :
The Korean Society of Fisheries and Aquatic Science
Editor in Chief :
Volume & Issues
Volume 5, Issue 4 - Dec 1972
Volume 5, Issue 3 - Sep 1972
Volume 5, Issue 2 - Jun 1972
Volume 5, Issue 1 - Mar 1972
Selecting the target year
EFFECTS OF COPPER AND SALT ON THE HEMOGLOBIN OF SEVERAL FRESHWATER FISHES
PARK Young Shik ; LEE Choon Koo ;
Korean Journal of Fisheries and Aquatic Sciences, volume 5, issue 4, 1972, Pages 105~107
The effects of copper and salt on the hemoglobin patterns of Carassius carassius, Ophicephalus argus, and Misgurnus anguillicaudatus were investigated by vertical starch gel electrophoresis. The number of the hemoglobin band of normal C. cararsius on the anode was one, and that of O. argus was two; neither the number of the homoglobin bands of the fishes nor the mobility of them was affected by copper or salt. The hemoglobin mobility of O. argus was faster than those of C. carassius and M. anguillicaudatus. Normal M. anguillicaudatus had two hemoglobin bands with nearly identical mobilities, one band migrating anodically and the other cathodically. When M. anguillicaudatus was exposed to copper, the mobility of band on the anode was faster than those of the other groups of control and exposed to salt, whereas the hemoglobin band on the cathode was not affected.
SECULAR VARIATION OF ZOOPLANKTON BIOMASS IN THE SOUTH SEA OF KOREA
KIM Yong Sool ;
Korean Journal of Fisheries and Aquatic Sciences, volume 5, issue 4, 1972, Pages 108~114
The present paper deals with secular analysis of zooplankton biomass by statistical method in the south sea of Korea during the period of nine years from 1963 through 1971. Data were taken from the Annual Report of Oceanographic Observations, Fisheries Research and Development Agency, Korea. The trend value of annual variations in the 108 month period above was calculated by method of 12 month moving average, and a period analysis was made by ore of correlogram method using autocorrelation coefficients. The trend of zooplankton biomass shows periodical fluctuation for the period of 63 months with high interrelationships. The seasonal variation has teen obvious with growth phase twice a year, in April and October.
ELECTRICAL FISHING METHOD OF PENAEUS JAPONICUS BATE
KO Kwan Soh ; KIM Sang Han ; YOON Gab Dong ;
Korean Journal of Fisheries and Aquatic Sciences, volume 5, issue 4, 1972, Pages 115~120
The data Presented in this Paper, on the body and Jumping voltage of Penaeus japonicus BATE, are part of a current study on shrimp behaviour in order to improve fishing efficiency of the fishing gear. The experiments concerning electrical stimuli was mostly carried out at the Marine Laboratory of Busan Fisheries College in 1972. The following are the results obtained from the present investigations : 1. When the voltages between a pair of electrodes were fixed constant, the voltage drops between them showed almost constant electrical field. 2. Threshold voltages of the animals varied with body direction to the electrical field, i. e., 200 -500 mV for parallel, 500-1400 mV for vertical and 300-800 mV for diagonal (
) settings. 3. Jumping voltages of the animals also varied with the body direction to the electrical field; i. e., 250-1000 mV for parallel, 800-2500 mV for vertical and 400-1300 mV for diagonal settings. 4. The shrimp, in general, were more sensitive to the electrical stimuli when oriented to the cathode rather than the anode. 5. Jumping voltages decreased when the interrupted current was applied to the animals, i. e., less than 200 mV for paralled and 500mV for vertical direction of the body to the electrical field.
MORPHOLOGY OF UROHYAL BONES OF PLEURONECTIDAE FISHES IN KOREAN WATERS
KIM Yong Uk ;
Korean Journal of Fisheries and Aquatic Sciences, volume 5, issue 4, 1972, Pages 121~127
The present paper deals with the results of the comparative morphology on the urohyal bones on the right-eye flounders, pleuronectidae fishes in Korean waters. The results obtained are as follows : 1. The position of the tip of sciatic part is quite different depending on the genera and species of the fishes. The sciatic part of the genera, Platichthys and Cleisthenes, is very short extending to the middle portion of the main part. In the fishes of Eopsetta and Tanakius, it is also very short extending to the anterior 1/3 of the distance from the tip of main part. The fishes of Verasper and Dexistes have a short sciatic part which extends toward the posterior 1/4 of the distance from the tip of main part. The fishes Of Limanda, Clidoderma, Glyptecephalus and Microstomus have a long sciatic part which extends as long as the main part. However, those of Kareius and Pleuronichthys have a very long sciatic part extending twice long as the main part. The tip of sciatic part of the fishes belonging to Eopsetta, Verasper, Limanda, Platichthys, Tanakius and Glyptocephalus is a truncate form. It is pointed upward in the fishes of Kareius, Pleuronichthys, Clidoderma and Microstomus, but pointed forward in Cleisthenes and Dexistes. 2. The size and form of the cardiac apophysis vary with the developmental grades of the urohyal bone. The fishes of Eopsetta, Verasper, Platichthys, Tanakius, Kareius and Dexistes possess relatively large apophyses and those of Pleuronichthys and Clidoderma have small apophyses. Intermediate size of the apophysis is found in the fishes of Limanda, Microstomus and Cleisthenes. A long and barlike apophysis is found in Glyptocephalus. Three kinds of the cardiac. apophysis are found in the fishes examined, i. e., lateral wing in Eopsette, Verasper, Limanda, Platichthys, Tanakius, Glyptocephalus, Kareius, Pleuronichthys and Clidoderma, pointed forward in Microstomus and Cleisthenes, and truncate with a well-developed inner ridge type in Dexistes. 3. The angle of the main part and sciatic part varies from 30 to 60 degrees in the fishes studied except for the fishes of Pleuronichthys, Clidoderma and Microstomus which show a semi-elliptical form.
The Polychaetous Annelids in Korea (I)
PARK Eui-In ;
Korean Journal of Fisheries and Aquatic Sciences, volume 5, issue 4, 1972, Pages 128~136
The materials were obtained from Busan (=Pusan), Chilcheondo in Geoje, Chungmu, Yeosu, Beolgyo, Boseong, Jangheung, Seo-gwipo of the southern coast of Korea during the period from 1970 to 1971. As a result of the study on the animals of Nereidae, the following five species were identified, which are newly recorded to Korean fauna : Tylorrhynchus heterochaetus Perinereis nuntia var. vallata Perinereis nuntia var. brevicirris Neanthes japonica Nectoneanthes oxypoda.