Biological Oceanography Department of Oceanography Pusan National University
Biological Oceanography Department of Oceanography Pusan National University
Energy flow and mineral cycling n n Food chain; 먹이사슬 Trophic level; 영양 준의; 영양단계
Material cycling n n n Energy : flow Material : cycling 유기물: 광합성 결과로 생겨난 “인산화 된 아노미 탄수화물”: (CH O) (NH ) H PO 2 n n 동화: Incorporation 이화: release 106 3 16 3 4
Energy budget 잇점 n n Interactions between nutrient input, primary production and secondary production Determinant of production Species associations Reaction to perturbations
Microbial loop n n Regeneration of nutrients Bacteria, protozoans가 담당 n 전통적인 식플-동플-어류와 더불어 microbial loop 구성 n POM DOM을 모두 이용 n
Microbial food web n Bacteria small bactivorous zooplankton (nanoplankton (zooflagellates)) filter feeders
Primary production and bacterial production n n 양의 상관관계 Phytodetritus; 식물성 플랑크톤 대양번 식후의 부스러기들이 증가하고 이때 박 테리아가 증가 온대 계절 변화: 영양염 증가 diatoms 증가 filter feeding copepods microbial loop bactivorous zooplankton 수심으로도 pycnocline 에서 증가.
- Slides: 19