http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
- 中文 을 입력하시려면 zhongwen을 입력하시고 space를누르시면됩니다.
- 北京 을 입력하시려면 beijing을 입력하시고 space를 누르시면 됩니다.
RISS 인기검색어
- 검색키워드
- 저자 : 황종서 (검색결과 40 건)
- 무료
- 기관 내 무료
- 유료
-
황종서 한국농공학회 2000 韓國農工學會誌 : 전원과 자원 Vol.42 No.5
The fishways at Namdae-cheon and Osib-cheon were investigated from July 1998 through October 1999. There are three types of fishways on these rivers. those are baffied fishway, fish ladder, and fish ladder with gabion. Namdae-cheon has 7 baffled fishways and 19 fish ladders, and Osib-cheon has 7 gabion fishways. On namdae-cheon, 1,775 fishes of 24 species were collected. Among these fishes, 452 fishes of 11 species were anadromous fishes occupying 46% in species and 25% in number. On Osib-cheon, 1,953 fishes of 24 species were collected. Among these fishes, 483 fishes of 5 species were anadromous fishes occupying 21% in species and 25% in number. On Namdae-cheon the species number and abundance decreased gradually upstream. The poor structure of fishways seems to have worked as an obstacle to the upstream migration of fishes in the Namdae-cheon . On Osib-cheon all the observed fish species except three-spined stickleback(Gasterosteus aculeatus aculeatus) which stay and spawn around downstream of fiver could migrate upstream. The good structure of fishways on this river is thought to have helped upstream fish migration.
-
-
-
-
황종서 한국수자원학회 2000 한국수자원학회논문집 Vol.33 No.5
1999년 4월부터 11월까지 전남 영암의 영암호 갑문식어도에서 매주 1회씩 어도로 들어오는어류를 채집한 결과 25종 116,014개체를 채집하였으며, 이중 웅어, 줄공치, 숭어 등 10종이 하천과 바다를 오가며 서식하는 회유성어류로 전채개체수의 99.5%를 차지하였다. 회유성어류중 개체수로는 줄공치, 빙어, 웅어 숭어의 순으로 많이 채집되고 이들 4종이 전 채집 개체수의 99%에 해당하고 나머지 6종은 매우 드물게 채집되었다. 빙어는 63%가 7월 2 The dimension of the fishlock at the Youngam Lake is 6.6m wide and 30m long, and it has been used for both fish migration and ship passage. The capacity of attraction freshwater is , and the water depth of the fishlock varies between 1.9m - 5.7m due to th
-
-
임형빈,黃鍾瑞 서울大學校 農科大學 1979 서울대농학연구지 Vol.4 No.1
Field experiments were performed in relation to the salt concentration and surgar accumulation of surgar beet, salt tolerance of varieties and fertilizer of it at reclaimed area in Mimyeon, Okku-gun, Jeonla Bukdo provice. The results obtained are summarized as follows: The reclaimed area in Mi-myeon is formed of silt loam and its pH is 7.2∼8.0. Soluble cation and anion were large in high salty plot. While the amount of cation was larger in low salty plot. The contents of nitrogen and organic matter were small while the contents of phosphorus and pottasium were large, as a whole. The change in salt concentration of cultivating layer was related closely to the rainfall. The sugar accumulation of sugar beet was rapid relatively in low salty plot. It was declined to some extent and began to proceed again belatedly in high salty plot. And also the sugar content was large as salt concentration became high. Of 21 sample varieties, Hilleshog Mono 297, Desprez monopoly, Desprez polyploid E and Polyrane E produced large amount of sugar and they were considered to be salt tolerant varieties. The sugar production in reclaimed area was correlated more significantly to the root production than the degree of Brix. It seemed to be desirable to fertilizer two times ordinary non salty field only in case of N in reclaimed area.
-
-
任絅彬,黃鍾瑞 서울大學校 農科大學 1976 서울대농학연구지 Vol.1 No.1
Taikwalriong of high cold area, Hongchon of quasi-high cold area and Suwon of low plain, a hill area of high soil acidity in Yongin where pH was adjusted to varied levels with calcium hydroxide and reclaimed salty field of varied salt concentrations in the vicinity of Inchon were selected for the present study. The sequence of sugar accumulation of this sample variety, kawemegapoly along with its growth under each different environmental condition was observed. In the Taikwalriong the yield of root-weight was 7.71 tons per 10a and the sugar content of the root was 17.3% which showed far better results than those observed in Hongchon and Suwon areas. This may be considered attibutable to the facts that the Taikwalriong is the most suitable area for the culture of spring sugar beet in respect of the change in the mean temperature throughout the year, variance of temperature in the day and night in growth season, sun-light hours and distribution of precipitation throughout the year. There was observed no significant difference in the yield of root-weight and sugar content in each experimental plot where soil acidity was adjusted within the scope of ranging from 5.5 to 7.6. Judging from the yield of sugar beet in reclaimed field of the western coast, it seemed to be culturable in the soil of less than 0.4% in salt concentration. In the cultivated soil layer under field condition of reclaimed lane, high salt concentration in spring began to decline from rainy season and then rise again from the middle of October when there was little rainfall. Therefore the changing pattern of salt concentration which declines in the growth stage of sugar beet was considered to make the culture of sugar beat of strong salt torenrance easy in reclaimed land. Reclaimed land with field condition in Korea is suitable for the culture of sugar beet. In the experimental farms of reclaimed land in Inchon, Suwon, Yongin and Hongchon, sugar was accumulated until the early of September and thereafter it was decreased for a while by the middle of October, then sugar accumulation took place again. On the other hand, sugar was accumulated continuously without momentary declination in the Taikwalriong.
-
황종서 ( Hwang Chong Seo ),허협 ( Hur Hyub ) 한국농공학회 2000 韓國農工學會誌 : 전원과 자원 Vol.42 No.5
The fishways at Namdae-cheon and Osib-cheon were investigated from July 1998 through October 1999. There are three types of fishways on these rivers. Those are baffled fishway, fish ladder, and fish ladder with gabion. Namdae-cheon has 7 baffled fishways and 19 fish ladders, and Osib-cheon has 7 gabion fishways. On namdae-cheon, 1,775 fishes of 24 species were collected. Among these fishes, 452 fishes of 11 species were anadromous fishes occupying 46% in species and 25% in number. On Osib-cheon, 1,953 fishes of 24 species were collected. Among these fishes, 483 fishes of 5 species were anadromous fishes occupying 21% in species and 25% in number. On Namdae-cheon the species number and abundance decreased gradually upstream. The poor structure of fishways seems to have worked as an obstacle to the upstream migration of fishes in the Namdae-cheon. On Osib-cheon all the observed fish species except three-spined stickleback(Gasterosteus aculeatus aculeatus) which stay and spawn around downstream of fiver could migrate upstream. The good structure of fishways on this river is thought to have helped upstream fish migration.
연관 검색어 추천
이 검색어로 많이 본 자료
활용도 높은 자료
