최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기Journal of crustacean biology : a quarterly of the Crustacean Society for the publication of research on any aspect of the biology of crustacea, v.19 no.1, 1999년, pp.77 - 83
Nagao, Jiro , Munehara, Hiroyuki , Shimazaki, Kenji
External morphological changes in embryos of the hair crab Erimacrus isenbeckii (Brandt) reared in the laboratory were observed. Embryonic development was divided into 9 stages based on morphological changes: precleavage stage, cleavage and blastula stage, gastrula stage, naupliar stage, metanaupliar stage, pigmented-eye stage, heartbeat-initiation stage, prezoea stage, and prehatching stage. Embryos spawned by a female in January developed to the gastrula stage by March. Embryos from another female developed from the gastrula stage to the prehatching stage from March to December, and hatched in January. These results suggest that the incubation period under laboratory conditions was about 12 months. Since one female collected in February still carried prezoea-stage embryos, the embryonic growth rate in the laboratory was expected to be higher than in the field. It is thought that the length of the incubation period is affected by many environmental factors, but the embryonic growth rate is mainly controlled by water temperature. Thus, around Hokkaido, where specimens studied were collected, incubating females may be distributed in temperatures cooler than in the laboratory.
*원문 PDF 파일 및 링크정보가 존재하지 않을 경우 KISTI DDS 시스템에서 제공하는 원문복사서비스를 사용할 수 있습니다.
출판사/학술단체 등이 한시적으로 특별한 프로모션 또는 일정기간 경과 후 접근을 허용하여, 출판사/학술단체 등의 사이트에서 이용 가능한 논문
※ AI-Helper는 부적절한 답변을 할 수 있습니다.