文章摘要
黄诚.河鲈食性分析及其摄食生态策略[J].水产学报,1998,22(4):
河鲈食性分析及其摄食生态策略
THE FOOD ANALYSIS AND FEEDING ECOLOGICAL STRATEGY
投稿时间:2014-05-06  修订日期:2014-05-06
DOI:
中文关键词: 河鲈 食性分析 摄食策略
英文关键词: Percaf luviatil is , Feed analysis, Feeding Strategy
基金项目:
作者单位地址
黄诚 南京大学生物系 南京大学生物系
摘要点击次数: 1318
全文下载次数: 997
中文摘要:
      通过对新疆乌伦古湖1450 尾河鲈食性的鉴别与统计, 比较了不同年龄组( 0+ ~ 9 ) 在不同季节食物组成及摄食强度, 研究了河鲈摄食生态位的时空格局, 并综合其生长生殖特点探讨 了可能存在食浮游一底栖动物群( 0 ~ 2 ) , 食鱼群( 3 及3 以上) 两种生态类群及该物种的摄食 生态策略。
英文摘要:
      The fo od compo sitio n of 1450 specimens o f Perca f luv iat ilis ( 0+ ~ 9 ) in Xin- Jiang Wulunguhu lake w as analyzed, and the fo od compo sit ion and feeding intensity in dif ferent seasons o f dif fer ent age g ro ups w ere compared. The tempo ral and specia l patterns o f feeding niche w ere also resear ched also. Synthesizing the result s of the study w ith the cha racter s o f this f ish in g row th and repro duct ion, it i s revea led that there may be two eco lo gical gr oups, o ne is the gro up preying on benthic a nimals and zoo plankto ns( 0 ~ 2 ) , the o the r is the gro up preying o n pisciv oro us f ishes( t> 3 ) , and mo st indiv iduals of the former ar e of miniatur e bo dy and early-maturing, w hile most o f the lat ter are la rge- sized and late-matur ing. The feeding st rategy o f this species i s discussed also. The results are helpf ul to fur ther study o n its eco log y a nd make success of it s tr ansplantat ion and domest-i cat io n
HTML   查看全文   下载PDF阅读器
关闭

手机扫一扫看