洪泽湖河蚬增殖放流效果评估
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摘要
2014年11月在洪泽湖进行河蚬的增殖放流实验,并于放流后的第二年对其形态学指标、规格和生物量等进行监测,以评估洪泽湖自然水域河蚬的增殖放流效果。结果显示,各站点河蚬的形态学指标和规格均为2015年11月最大,马浪岗的河蚬规格较大而生物量较小;至2016年7月三个站点的河蚬规格分别达到8.09 g/ind,6.29 g/ind和5.9 g/ind,而单位面积生物量分别为24.29 g/m~2、45.69 g/m~2和43.69 g/m~2。分析表明,非法捕捞、非法采砂,以及水温、饵料生物的季节变动等是影响河蚬规格和生物量变化的重要因素,而前两者是影响增殖放流效果的主要原因。
An experiment of Corbicula fluminea enhancement and relaesing were conducted in Malang Hill,Daxin Beach and Jiancao Gully of Hongze Lake,November 2014. To assess the effect,it's morphological parameters,wet body weight and biomass per unit area were monitored in the second year after releasing. It showed that the maximum of morphological parameters and wet body weight of C. fluminea in three site appeared in November 2015. And in Malang Hill the C. fluminea had the maximum wet body weight,but minimum biomass per unit area in monitoring time. In July 2016,the second year after releasing,the wet body weight of C. fluminea in Malang Hill,Daxin Beach and Jiancao Gully were up to 8.09 g/ind,6.29 g/ind and 5.9 g/ind,but the biomass per unit area were 24.29 g/m~2,45.69 g/m~2 and 43.69 g/m~2. Analysis showed that the illegal fishing and sand mining,and water temperature and food organism influenced by seasonal variations were important factors influencing changes wet body weight and biomass of C. fluminea,while the former were the major reasons.
An experiment of Corbicula fluminea enhancement and relaesing were conducted in Malang Hill,Daxin Beach and Jiancao Gully of Hongze Lake,November 2014. To assess the effect,it's morphological parameters,wet body weight and biomass per unit area were monitored in the second year after releasing. It showed that the maximum of morphological parameters and wet body weight of C. fluminea in three site appeared in November 2015. And in Malang Hill the C. fluminea had the maximum wet body weight,but minimum biomass per unit area in monitoring time. In July 2016,the second year after releasing,the wet body weight of C. fluminea in Malang Hill,Daxin Beach and Jiancao Gully were up to 8.09 g/ind,6.29 g/ind and 5.9 g/ind,but the biomass per unit area were 24.29 g/m~2,45.69 g/m~2 and 43.69 g/m~2. Analysis showed that the illegal fishing and sand mining,and water temperature and food organism influenced by seasonal variations were important factors influencing changes wet body weight and biomass of C. fluminea,while the former were the major reasons.
引文
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[16]Mouthon J.Life cycle and population dynamics of the Asian clam Corbicula fluminea(Bivalvia:Corbiculidae)in the Saone River at Lyon(France)[J].Hydrobiologia,2001,452(1-3):109-119.
[17]闫云君,李晓宇.汉江流域黑竹冲河部分优势大型底栖动物的周年生产量[J].水生生物学报,2007,31(3):297-306.
[18]李德亮,张婷,肖调义,等.湖南省大通湖河蚬(Corbicula fluminea)现存量及其时空分布[J].湖泊科学,2013,25(5):743-748.
[19]毕婷婷,侯刚,张胜宇,等.基于壳长频率分析的洪泽湖河蚬渔获物年龄结构,生长与死亡参数估计[J].水生生物学报,2014,38(4):797-800.
[20]原居林,练青平,王凯伟,等.瓯江干流丽水段渔业资源现状分析与修复研究[J].水生态学杂志,2010,3(5):122-126.
[21]蔡炜,蔡永久,龚志军,等.太湖河蚬时空格局[J].湖泊科学,2010,22(5):714-722.
[2]韩鹏,王勤.河蚬软体部分营养成分分析及评价[J].厦门大学学报,2007,46(1):115-117.
[3]李亚成.洪泽湖河蚬通过农业部农产品地理标志登记专家评审[EB/OL].http://www.hzh.gov.cn/detail.asp?artid=1903,2015-04-08/2016-03-06.
[4]刘敏,熊邦喜.河蚬的生态习性及其对重金属的富集作用[J].安徽农业科学,2008,36(1):221-224.
[5]袁永浒,王兴元,陈安来,等.洪泽湖螺蚬资源调查报告[J].水产养殖,1994(6):15-16.
[6]严维辉,潘元潮,郝忱,等.洪泽湖底栖生物调查报告[J].水利渔业,2007,27(3):65-66.
[7]张超文,张堂林,朱挺兵,等.洪泽湖大型底栖动物群落结构及其与环境因子的关系[J].水生态学杂志,2012,33(3):27-33.
[8]李春荣,肖惠明,王荣华.河蚬移殖增殖实验[J].科学养鱼,1996(5):24.
[9]张友奎,汪家忠.河蚬生态移殖优化增值技术总结[J].内陆水产,2003(2):12-13.
[10]邓勇辉,付辉云,陶志英,等.我国河蚬研究进展与展望[J].江西水产科技,2016(2):33-37.
[11]Fuiman L A,Gage J D,Lamont P A.Shell morphometry of the deep sea protobranch bivalve Ledella pustulosa in the Rockall Trough,north-east Atlantic[J].Journal of the Marine Biological Association of the UK,1999,79(4):661-671.
[12]蔡炜.太湖河蚬的时空分布及对N、P的贡献[D].南京:南京信息工程大学,2010.
[13]Hornbach D J.Life history traits of a riverine population of the Asian clam Corbicula fluminea[J].American Midland Naturalist,1992:248-257.
[14]黄一鸣,尤玉博,颜金扬,等.河蚬(Corbicula fluminea Müller)的生态与食性的研究[J].福建师范大学学报(自然科学版),1979(2):99-105.
[15]李应森,杨仁民,滕利荣.黄蚬湖泊增养殖技术总结[J].水利渔业,1999,19(5):25-26.
[16]Mouthon J.Life cycle and population dynamics of the Asian clam Corbicula fluminea(Bivalvia:Corbiculidae)in the Saone River at Lyon(France)[J].Hydrobiologia,2001,452(1-3):109-119.
[17]闫云君,李晓宇.汉江流域黑竹冲河部分优势大型底栖动物的周年生产量[J].水生生物学报,2007,31(3):297-306.
[18]李德亮,张婷,肖调义,等.湖南省大通湖河蚬(Corbicula fluminea)现存量及其时空分布[J].湖泊科学,2013,25(5):743-748.
[19]毕婷婷,侯刚,张胜宇,等.基于壳长频率分析的洪泽湖河蚬渔获物年龄结构,生长与死亡参数估计[J].水生生物学报,2014,38(4):797-800.
[20]原居林,练青平,王凯伟,等.瓯江干流丽水段渔业资源现状分析与修复研究[J].水生态学杂志,2010,3(5):122-126.
[21]蔡炜,蔡永久,龚志军,等.太湖河蚬时空格局[J].湖泊科学,2010,22(5):714-722.