摘要
利用4种不同大小的单细胞藻类作为饵料研究缢蛏(Sinonovaculaconstricta)的滤除率以及缢蛏对不同大小饵料颗粒的选择性。实验结果表明 :3种规格缢蛏对4种单细胞藻类的滤除率表现出相同的变化规律 ,即随藻类规格的增大 ,缢蛏的滤除率亦逐渐变大 ,并且大规格缢蛏的滤除率变化最显著 ;在饵料颗粒选择性的实验中 ,小规格缢蛏对大规格(ESD=8.83)藻类具有较高的的选择性 ,中规格缢蛏对藻类的选择性不明显 ,而大规格缢蛏则对小规格(ESD=4.46)
The filtration rate and selective feeding of the constricted tagelus (Sinonovacula constricta) were studied in laboratory. For filtration rate experiment, it is indicated that the filtration rate is correlated positively with the species of the algae and it is distinct with the large sized constricted tagelus. Results show that the different body sized constricted tagelus has different selective feedings for the four species algae, the small sized constricted tagelus has the high feeding rate when the alga is large sized(ESD=8.83 μm), but the large sized has the low one(ESD=4.4 μm).
出处
《海洋科学》
CAS
CSCD
北大核心
2002年第6期1-4,共4页
Marine Sciences
基金
国家重点基础研究规划项目"养殖环境清洁工程的生态学原理与关键技术"(G1999012012)资助
