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Effects of Food Quality and Temperature on life History Traits of Moina macrocopa Reared in Laboratory
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  • Effects of Food Quality and Temperature on life History Traits of Moina macrocopa Reared in Laboratory
  • Effects of Food Quality and Temperature on life History Traits of Moina macrocopa Reared in Laboratory
저자명
Yoon. Seong Myeong,Lee. Jung Sup,Jung. Suk Hun,Baek. Kyoung Hwan,Chang. Cheon Young,Lee. Sung Kyu,Kim. Won
간행물명
Korean journal of biological sciences
권/호정보
2000년|4권 4호|pp.329-336 (8 pages)
발행정보
한국동물학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

Life table experiments were performed in order to examine the effects of food quality on Moina macrocopa fed with four kinds of algal foods, Botryococcus sp., Scenedesmus subspicatus, Selenastrum capricornutum, and Chlorella sp., at $20^{circ}C$ . The temperature effects on M. macrocopa were also assessed, feeding Chlorella at $17^{circ}C$,$20^{circ}C$,$25^{circ}C$, and a combination of $28^{circ}C$ (light) and $25^{circ}C$ (dark). The cartilaginous Botryococcs cells were Inappropriate food for Moina. Among the foods tested, Chlorella was the food of the best quality in all accounts of life history traits. Moina grown on Chlorella showed higher net reproductive rate ($R_0$), longer mean and maximum longevities, earlier mean age at maturity, longer mean carapace length at maturity, larger mean clutch size, and shorter mean time interval between clutch productions than those grown on Selenastrum and Scenedesmus. An optimal temperature for Moina was $20^{circ}C$ . When Moina were grown on Chlorella at $20^{circ}C$, they showed the highest r, the highest $R_0$, the shortest T, the longest mean longevity, the earliest mean age at maturity, the longest mean carapace length at maturity, and the largest mean clutch size. The results of life table experiments showed that the individual and population growth patterns were much more affected by low temperature $17^{circ}C$, than by high temperature ($geq 20^{circ}C$). In the optimal condition, the r value was very high, 5.1 in $d^{-1}$. In conclusion, the food quality and the temperature are the most important factors to govern the size and continuity of Moina population, by which the individual growth rates and reproductivity of members in the population can be controlled to survive in their environment such as small and temporary water bodies in nature.