生物多样性 ›› 2013, Vol. 21 ›› Issue (6): 688-698. DOI: 10.3724/SP.J.1003.2013.11073
孙莎莎1, 唐文乔1,*(), 郭弘艺1, 李辉华1, 刘东1, 周天舒1, 陈浩洲2, 沈林宏2, 顾树信2
收稿日期:
2013-03-26
接受日期:
2013-06-03
出版日期:
2013-11-20
发布日期:
2013-12-02
通讯作者:
唐文乔
基金资助:
Shasha Sun1, Wenqiao Tang1,*(), Hongyi Guo1, Huihua Li1, Dong Liu1, Tianshu Zhou1, Haozhou Chen2, Linhong Shen2, Shuxin Gu2
Received:
2013-03-26
Accepted:
2013-06-03
Online:
2013-11-20
Published:
2013-12-02
Contact:
Tang Wenqiao
摘要:
长江靖江段位于长江河口的近口段, 每天有两涨两落的不规则半日潮, 是国家级水产种质资源保护区, 在渔业资源养护中起着重要作用。为了弄清靖江段沿岸水域鱼类群聚的组成特点及其丰度生物量变化, 我们于2002-2011年对靖江沿岸秋季的鱼类群聚作了调查。结果显示, 10年间79个样本共有鱼类91种, 隶属于12目23科, 其中鲤形目47种, 鲈形目17种, 鲇形目10种; 从生态类型来看, 洄游鱼类4种, 河口鱼类13种, 淡水鱼类74种。10年间, 平均每年秋季出现鱼类47种, 平均Jaccard物种相似性系数仅53.72%, 处于中等相似水平。IRI≥100的优势种和常见种合计有42种, 年均19种, 占当年数量的92.26%。贝氏(Hemiculter bleekeri)、似鳊(Pseudobrama simony)、光泽黄颡鱼(Pseudobagrus nitidus)等小型种类, 以及翘嘴鲌(Culter alburnus)、鳊(Parabramis pekinensis)、瓦氏黄颡鱼(P. vachellii)等中型种类的幼体是优势种和常见种的主体, 整个鱼类群聚的个体均重仅6.99 g。丰度生物量曲线显示, 除2010年外的其他年份, 第一优势种均为极小型鱼类, 2002-2009年的前面几个优势种也是小型鱼类, 仅2010和2011年有几种较大体型的种类加入到主要优势种行列。研究还显示, 最近10年来, 靖江沿岸水域秋季整个鱼类群聚的生物量、个体均重以及62%的优势种与常见种的种群数量, 在总体上有随年份而增加的趋势, 这预示着这一水域渔业资源可能已改善。
孙莎莎, 唐文乔, 郭弘艺, 李辉华, 刘东, 周天舒, 陈浩洲, 沈林宏, 顾树信 (2013) 靖江沿岸秋季鱼类群聚的组成特点及其丰度生物量变化. 生物多样性, 21, 688-698. DOI: 10.3724/SP.J.1003.2013.11073.
Shasha Sun,Wenqiao Tang,Hongyi Guo,Huihua Li,Dong Liu,Tianshu Zhou,Haozhou Chen,Linhong Shen,Shuxin Gu (2013) Composition and changes in abundance and biomass of fish assemblages along the Jingjiang section of the Yangtze River over the last decade. Biodiversity Science, 21, 688-698. DOI: 10.3724/SP.J.1003.2013.11073.
2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | |
---|---|---|---|---|---|---|---|---|---|
2003 | 53.06 | ||||||||
2004 | 50.91 | 59.32 | |||||||
2005 | 49.02 | 61.11 | 57.81 | ||||||
2006 | 47.17 | 56.14 | 67.24 | 33.33 | |||||
2007 | 51.92 | 57.89 | 60.66 | 34.55 | 69.09 | ||||
2008 | 52.83 | 53.33 | 58.73 | 47.54 | 61.02 | 54.84 | |||
2009 | 42.42 | 50.00 | 56.94 | 44.12 | 58.82 | 57.97 | 68.18 | ||
2010 | 46.00 | 55.56 | 55.93 | 54.55 | 52.63 | 57.14 | 55.17 | 60.94 | |
2011 | 38.46 | 57.81 | 39.71 | 54.55 | 52.94 | 54.41 | 57.35 | 55.84 | 52.31 |
表1 2002-2011年秋季靖江段沿岸水域各年份鱼类群聚间Jaccard相似性系数(%)
Table 1 The Jaccard similarity index (%) among the fish assemblages in different years in the coastal waters of Jingjiang section in the autumns of 2002 to 2011
2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | |
---|---|---|---|---|---|---|---|---|---|
2003 | 53.06 | ||||||||
2004 | 50.91 | 59.32 | |||||||
2005 | 49.02 | 61.11 | 57.81 | ||||||
2006 | 47.17 | 56.14 | 67.24 | 33.33 | |||||
2007 | 51.92 | 57.89 | 60.66 | 34.55 | 69.09 | ||||
2008 | 52.83 | 53.33 | 58.73 | 47.54 | 61.02 | 54.84 | |||
2009 | 42.42 | 50.00 | 56.94 | 44.12 | 58.82 | 57.97 | 68.18 | ||
2010 | 46.00 | 55.56 | 55.93 | 54.55 | 52.63 | 57.14 | 55.17 | 60.94 | |
2011 | 38.46 | 57.81 | 39.71 | 54.55 | 52.94 | 54.41 | 57.35 | 55.84 | 52.31 |
种类 Species | 相对重要性指数 IRI | 个体均值 MIW (g) | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | ||
贝氏 | 5,288 | 5,704 | 6,100 | 3,604 | 5,984 | 7,698 | 5,640 | 7,646 | 3,525 | 5,812 | 3.49 |
鳊 Parabramis pekinensis | 1,900 | 1,764 | 1,578 | 1,739 | 1,175 | 1,325 | 483 | 201 | 1,588 | 769 | 40.28 |
光泽黄颡鱼 Pelteobagrus nitidus | 3,639 | 2,708 | 880 | 4,720 | 178 | 261 | 122 | 1,391 | 558 | 2.61 | |
窄体舌鳎 Cynoglossus gracilis | 1,247 | 583 | 708 | 284 | 462 | 618 | 245 | 460 | 195 | 11.21 | |
刀鲚 Coilia nasus | 1,110 | 878 | 836 | 344 | 446 | 1,140 | 639 | 1,242 | 556 | 6.06 | |
似鳊 Pseudobrama simoni | 343 | 511 | 1,559 | 586 | 1,561 | 2,268 | 1,298 | 1,435 | 4,250 | 1,927 | 8.81 |
麦穗鱼 Pseudorasbora parva | 121 | 256 | 1,052 | 872 | 363 | 288 | 692 | 163 | 489 | 1.40 | |
鲫 Carassius auratus | 513 | 403 | 676 | 574 | 1,298 | 622 | 394 | 489 | 515 | 829 | 13.72 |
鲢 Hypophthalmichthys molitrix | 172 | 171 | 349 | 280 | 1,475 | 1,260 | 187.25 | ||||
银鮈 Squalidus argentatus | 433 | 223 | 362 | 709 | 538 | 251 | 1,354 | 2.75 | |||
亮银鮈 S. nitens | 222 | 155 | 818 | 511 | 1,017 | 256 | 1.94 | ||||
翘嘴鲌 Culter alburnus | 108 | 268 | 830 | 786 | 231 | 148 | 579 | 295 | 304 | 40.85 | |
瓦氏黄颡鱼 Pelteobagrus vachellii | 487 | 370 | 784 | 353 | 226 | 255 | 738 | 202 | 7.41 | ||
棒花鱼 Abbotina rivularis | 136 | 153 | 204 | 447 | 328 | 157 | 328 | 309 | 2.65 | ||
长蛇鮈 Saurogobio dunerili | 326 | 251 | 441 | 678 | 120 | 246 | 9.18 | ||||
凤鲚 Coilia mystus | 579 | 351 | 120 | 3.55 | |||||||
铜鱼 Coreius heterodon | 188 | 146 | 28.27 | ||||||||
黄颡鱼 Pelteobagrus fulvidraco | 183 | 269 | 22.77 | ||||||||
鳜 Siniperca chuatsi | 152 | 34.11 | |||||||||
红鳍原鲌 Cultrichthys erythropterus | 240 | 435 | 104 | 463 | 143 | 217 | 270 | 161 | 10.35 | ||
光唇蛇鮈 Squalidus gymnocheilus | 478 | 215 | 574 | 184 | 2.48 | ||||||
| 212 | 202 | 605 | 3.06 | |||||||
鲤 Cyprinus carpio | 195 | 108 | 103.71 | ||||||||
鳡鱼 Elopichthys bambusa | 155 | 139 | 181.99 | ||||||||
银鲴 Xenocypris argentea | 179 | 146 | 124 | 13.98 | |||||||
寡鳞飘鱼 Pseudolaubuca engraulis | 304 | 370 | 3.15 | ||||||||
乌鳢 Channidae argus | 188 | 113 | 344 | 73.15 | |||||||
蛇鮈 Squalidus dabryi | 164 | 168 | 234 | 4.84 | |||||||
高体鳑鲏 Rhodeus ocellatus ocellatus | 124 | 308 | 158 | 1.82 | |||||||
圆尾斗鱼 Macropodus chinensis | 113 | 2.54 | |||||||||
兴凯鱊 Acheilognathus chankaensis | 521 | 159 | 910 | 3.20 | |||||||
草鱼 Ctenopharyngodon idella | 122 | 173 | 610 | 88.01 | |||||||
短盖肥脂鲤 Piaractus brachypomus | 242 | 635 | 3.34 | ||||||||
赤眼鳟 Squaliobarbus curriculus | 192 | 265 | 80.64 | ||||||||
彩石鳑鲏 Rhodeus lighti | 156 | 120 | 1.20 | ||||||||
日本鳗鲡 Anguilla japonica | 116 | 159 | 89.98 | ||||||||
青鱼 Mylopharyngodon piceus | 269 | 21.63 | |||||||||
香鱼衔 Repomucenus olidus | 232 | 121 | 0.87 | ||||||||
子棱吻虾虎鱼 Rhinogobius giurinus | 186 | 2.27 | |||||||||
缺鬚鱊 Acheilognathus imberbis | 169 | 2.96 | |||||||||
中国花鲈 Lateolabrax maculatus | 101 | 24.92 | |||||||||
鳙 Aristichthys nobilis | 113 | 98.69 |
表2 秋季靖江段沿岸鱼类群聚的优势种与常见种的相对重要性指数(IRI)和鱼类个体均重(MIW)
Table 2 The index of relative importance (IRI) and mean individual weight (MIW) of the dominant and common species in the coastal waters of Jingjiang section in the autumns of 2002 to 2011
种类 Species | 相对重要性指数 IRI | 个体均值 MIW (g) | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | ||
贝氏 | 5,288 | 5,704 | 6,100 | 3,604 | 5,984 | 7,698 | 5,640 | 7,646 | 3,525 | 5,812 | 3.49 |
鳊 Parabramis pekinensis | 1,900 | 1,764 | 1,578 | 1,739 | 1,175 | 1,325 | 483 | 201 | 1,588 | 769 | 40.28 |
光泽黄颡鱼 Pelteobagrus nitidus | 3,639 | 2,708 | 880 | 4,720 | 178 | 261 | 122 | 1,391 | 558 | 2.61 | |
窄体舌鳎 Cynoglossus gracilis | 1,247 | 583 | 708 | 284 | 462 | 618 | 245 | 460 | 195 | 11.21 | |
刀鲚 Coilia nasus | 1,110 | 878 | 836 | 344 | 446 | 1,140 | 639 | 1,242 | 556 | 6.06 | |
似鳊 Pseudobrama simoni | 343 | 511 | 1,559 | 586 | 1,561 | 2,268 | 1,298 | 1,435 | 4,250 | 1,927 | 8.81 |
麦穗鱼 Pseudorasbora parva | 121 | 256 | 1,052 | 872 | 363 | 288 | 692 | 163 | 489 | 1.40 | |
鲫 Carassius auratus | 513 | 403 | 676 | 574 | 1,298 | 622 | 394 | 489 | 515 | 829 | 13.72 |
鲢 Hypophthalmichthys molitrix | 172 | 171 | 349 | 280 | 1,475 | 1,260 | 187.25 | ||||
银鮈 Squalidus argentatus | 433 | 223 | 362 | 709 | 538 | 251 | 1,354 | 2.75 | |||
亮银鮈 S. nitens | 222 | 155 | 818 | 511 | 1,017 | 256 | 1.94 | ||||
翘嘴鲌 Culter alburnus | 108 | 268 | 830 | 786 | 231 | 148 | 579 | 295 | 304 | 40.85 | |
瓦氏黄颡鱼 Pelteobagrus vachellii | 487 | 370 | 784 | 353 | 226 | 255 | 738 | 202 | 7.41 | ||
棒花鱼 Abbotina rivularis | 136 | 153 | 204 | 447 | 328 | 157 | 328 | 309 | 2.65 | ||
长蛇鮈 Saurogobio dunerili | 326 | 251 | 441 | 678 | 120 | 246 | 9.18 | ||||
凤鲚 Coilia mystus | 579 | 351 | 120 | 3.55 | |||||||
铜鱼 Coreius heterodon | 188 | 146 | 28.27 | ||||||||
黄颡鱼 Pelteobagrus fulvidraco | 183 | 269 | 22.77 | ||||||||
鳜 Siniperca chuatsi | 152 | 34.11 | |||||||||
红鳍原鲌 Cultrichthys erythropterus | 240 | 435 | 104 | 463 | 143 | 217 | 270 | 161 | 10.35 | ||
光唇蛇鮈 Squalidus gymnocheilus | 478 | 215 | 574 | 184 | 2.48 | ||||||
| 212 | 202 | 605 | 3.06 | |||||||
鲤 Cyprinus carpio | 195 | 108 | 103.71 | ||||||||
鳡鱼 Elopichthys bambusa | 155 | 139 | 181.99 | ||||||||
银鲴 Xenocypris argentea | 179 | 146 | 124 | 13.98 | |||||||
寡鳞飘鱼 Pseudolaubuca engraulis | 304 | 370 | 3.15 | ||||||||
乌鳢 Channidae argus | 188 | 113 | 344 | 73.15 | |||||||
蛇鮈 Squalidus dabryi | 164 | 168 | 234 | 4.84 | |||||||
高体鳑鲏 Rhodeus ocellatus ocellatus | 124 | 308 | 158 | 1.82 | |||||||
圆尾斗鱼 Macropodus chinensis | 113 | 2.54 | |||||||||
兴凯鱊 Acheilognathus chankaensis | 521 | 159 | 910 | 3.20 | |||||||
草鱼 Ctenopharyngodon idella | 122 | 173 | 610 | 88.01 | |||||||
短盖肥脂鲤 Piaractus brachypomus | 242 | 635 | 3.34 | ||||||||
赤眼鳟 Squaliobarbus curriculus | 192 | 265 | 80.64 | ||||||||
彩石鳑鲏 Rhodeus lighti | 156 | 120 | 1.20 | ||||||||
日本鳗鲡 Anguilla japonica | 116 | 159 | 89.98 | ||||||||
青鱼 Mylopharyngodon piceus | 269 | 21.63 | |||||||||
香鱼衔 Repomucenus olidus | 232 | 121 | 0.87 | ||||||||
子棱吻虾虎鱼 Rhinogobius giurinus | 186 | 2.27 | |||||||||
缺鬚鱊 Acheilognathus imberbis | 169 | 2.96 | |||||||||
中国花鲈 Lateolabrax maculatus | 101 | 24.92 | |||||||||
鳙 Aristichthys nobilis | 113 | 98.69 |
年份 Year | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 均值 Average | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
优势种 Dominant species | S | 4 | 4 | 3 | 4 | 4 | 3 | 4 | 2 | 8 | 3 | 4 |
S% | 12.50 | 9.30 | 5.88 | 9.09 | 8.89 | 6.38 | 8.16 | 3.27 | 19.51 | 5.17 | 8.81 | |
N% | 68.24 | 67.21 | 54.77 | 68.39 | 52.20 | 64.22 | 57.14 | 57.49 | 83.36 | 43.84 | 60.33 | |
W% | 58.83 | 45.66 | 37.61 | 49.36 | 49.45 | 48.70 | 31.82 | 33.31 | 78.17 | 49.76 | 47.09 | |
常见种 Common species | S | 12 | 13 | 15 | 16 | 18 | 15 | 18 | 20 | 7 | 17 | 15 |
S% | 37.50 | 30.23 | 29.41 | 36.36 | 40.00 | 31.91 | 36.73 | 32.79 | 17.07 | 29.31 | 32.13 | |
N% | 25.75 | 22.37 | 38.41 | 38.41 | 40.37 | 25.59 | 36.35 | 33.26 | 11.64 | 45.77 | 31.79 | |
W% | 29.40 | 40.05 | 40.64 | 40.64 | 39.06 | 36.67 | 59.30 | 55.09 | 15.20 | 36.91 | 39.30 | |
优势种与常见种Dominant and common species | S | 16 | 17 | 18 | 20 | 22 | 18 | 22 | 22 | 15 | 20 | 19 |
S% | 50.00 | 39.53 | 35.29 | 45.45 | 48.89 | 38.30 | 44.90 | 36.07 | 36.59 | 34.48 | 40.95 | |
N% | 94.00 | 89.58 | 93.18 | 94.61 | 92.58 | 89.80 | 93.50 | 90.75 | 95.00 | 89.60 | 92.26 | |
W% | 88.23 | 85.71 | 78.25 | 92.11 | 88.51 | 85.37 | 91.12 | 88.40 | 93.37 | 86.66 | 87.77 |
表3 靖江段沿岸秋季鱼类群聚优势种与常见种的物种数(S)及其种类占比(S%)、数量占比(N%)和重量占比(W%)
Table 3 The species number (S) and its percentage (S%), the percentage of individual number (N%) and weight (W%) of dominant species and common species in the coastal waters of Jingjiang section in the autumns of 2002 to 2011
年份 Year | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 均值 Average | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
优势种 Dominant species | S | 4 | 4 | 3 | 4 | 4 | 3 | 4 | 2 | 8 | 3 | 4 |
S% | 12.50 | 9.30 | 5.88 | 9.09 | 8.89 | 6.38 | 8.16 | 3.27 | 19.51 | 5.17 | 8.81 | |
N% | 68.24 | 67.21 | 54.77 | 68.39 | 52.20 | 64.22 | 57.14 | 57.49 | 83.36 | 43.84 | 60.33 | |
W% | 58.83 | 45.66 | 37.61 | 49.36 | 49.45 | 48.70 | 31.82 | 33.31 | 78.17 | 49.76 | 47.09 | |
常见种 Common species | S | 12 | 13 | 15 | 16 | 18 | 15 | 18 | 20 | 7 | 17 | 15 |
S% | 37.50 | 30.23 | 29.41 | 36.36 | 40.00 | 31.91 | 36.73 | 32.79 | 17.07 | 29.31 | 32.13 | |
N% | 25.75 | 22.37 | 38.41 | 38.41 | 40.37 | 25.59 | 36.35 | 33.26 | 11.64 | 45.77 | 31.79 | |
W% | 29.40 | 40.05 | 40.64 | 40.64 | 39.06 | 36.67 | 59.30 | 55.09 | 15.20 | 36.91 | 39.30 | |
优势种与常见种Dominant and common species | S | 16 | 17 | 18 | 20 | 22 | 18 | 22 | 22 | 15 | 20 | 19 |
S% | 50.00 | 39.53 | 35.29 | 45.45 | 48.89 | 38.30 | 44.90 | 36.07 | 36.59 | 34.48 | 40.95 | |
N% | 94.00 | 89.58 | 93.18 | 94.61 | 92.58 | 89.80 | 93.50 | 90.75 | 95.00 | 89.60 | 92.26 | |
W% | 88.23 | 85.71 | 78.25 | 92.11 | 88.51 | 85.37 | 91.12 | 88.40 | 93.37 | 86.66 | 87.77 |
图3 靖江段沿岸2002-2011年间鱼类群聚每年总体及优势种、常见种的个体均重的变化
Fig. 3 Change of mean individual weight of the whole fish assemblage, dominant species and common species in the coastal waters of Jingjiang section in the autumns of 2002 to 2011
图4 2002-2011年秋季靖江段沿岸鱼类群聚的丰度生物量曲线(ABC曲线)及其W值
Fig. 4 Abundance biomass comparison curves and W values of fish assemblages in the coastal waters of Jingjiang section in the autumns of 2002 to 2011
图5 靖江段沿岸2002-2011年间鱼类群聚每年总体及其 优势种、常见种的单样本数量(CPUEN)和单样本重量 (CPUEW )变化
Fig. 5 Change of the whole fish assemblage, dominant and common species in CPUEN and CPUEW in the coastal waters of Jingjiang section in the autumns of 2002 to 2011.
种 Species | CPUEN | CPUEW | MIW |
---|---|---|---|
贝氏 | 0.30 | 0.43 | 0.73* |
鳊 P. pekinensis | -0.32 | -0.67* | -0.38 |
光泽黄颡鱼 P. nitidus | -0.50 | -0.56 | 0.19 |
窄体舌鳎 C. gracilis | -0.52 | -0.65* | 0.09 |
刀鲚 C. nasus | 0.24 | 0.50 | 0.52 |
似鳊 P. simoni | 0.81** | 0.87** | 0.31 |
麦穗鱼 P. parva | 0.35 | 0.36 | 0.36 |
鲫 C. auratus | -0.05 | 0.62 | 0.22 |
鲢 H. molitrix | 0.82** | 0.88** | -0.08 |
银鮈 S. argentatus | 0.25 | 0.38 | 0.69* |
亮银鮈 S. nitens | 0.64* | 0.66* | -0.09 |
翘嘴鲌 C. alburnus | 0.71* | -0.60 | -0.75* |
瓦氏黄颡鱼 P. vachellii | -0.26 | -0.32 | 0.30 |
红鳍原鲌 C. erythropterus | -0.13 | -0.05 | -0.24 |
草鱼 C. idella | 0.62 | 0.31 | -0.68 |
长蛇鮈 S. dunerili | 0.01 | -0.60 | -0.42 |
棒花鱼 A. rivularis | 0.42 | 0.26 | 0.07 |
乌鳢 C. argus | 0.25 | 0.40 | 0.31 |
兴凯鱊 A. chankaensis | -0.03 | 0.19 | 0.41 |
光唇蛇鮈 S. gymnocheilus | 0.35 | 0.35 | 0.24 |
日本鳗鲡 A. japonica | -0.31 | 0.44 | 0.47 |
鳡鱼 E. bambusa | 0.41 | 0.36 | -0.60 |
| -0.28 | -0.37 | -0.71 |
青鱼 M. piceus | 0.25 | 0.21 | -0.23 |
短盖肥脂鲤 P. brachypomus | 0.10 | 0.10 | -1.00 |
赤眼鳟 S. curriculus | -0.44 | -0.46 | -0.26 |
鲤 C. carpio | -0.61 | -0.13 | 0.12 |
寡鳞飘鱼 P. engraulis | -0.12 | -0.03 | -0.20 |
香鱼衔 R. olidus | 0.33 | 0.65* | 0.62 |
蛇鮈 S. dabryi | 0.15 | 0.14 | 0.00 |
凤鲚 C. mystus | 0.30 | 0.18 | -0.43 |
高体鳑鲏 R. ocellatus ocellatus | 0.37 | 0.23 | -0.43 |
鳜 S. chuatsi | -0.21 | -0.42 | -0.48 |
银鲴 X. argentea | 0.03 | -0.17 | -0.60 |
黄颡鱼 P. fulvidraco | -0.68* | -0.26 | 0.52 |
彩石鳑鲏 R. lighti | 0.34 | 0.34 | -0.09 |
缺鬚鱊 A. imberbis | 0.74* | 0.71* | 0.03 |
鳙 A. nobilis | 0.29 | 0.29 | 1.00** |
铜鱼 C. heterodon | -0.89* | -0.87* | -0.40 |
子棱吻虾虎鱼 R. giurinus | 0.40 | 0.42 | 0.36 |
中国花鲈 L. maculatus | 0.53 | 0.51 | -1.00 |
圆尾斗鱼 M. chinensis | -0.18 | -0.42 | -0.59 |
整个鱼类群聚 The whole fish assemblage | 0.64* | 0.46 | 0.20 |
表4 靖江段沿岸水域鱼类群聚及其中IRI≥100鱼类的个体均重(MIW)与单样本生物量(CPUE)的年相关性
Table 4 Spearman rank correlation coefficients of mean individual weight and catch per unit of effort with year of fish assemblage and fishes (IRI≥100) in the coastal waters of Jingjiang section in the autumns of 2002 to 2011
种 Species | CPUEN | CPUEW | MIW |
---|---|---|---|
贝氏 | 0.30 | 0.43 | 0.73* |
鳊 P. pekinensis | -0.32 | -0.67* | -0.38 |
光泽黄颡鱼 P. nitidus | -0.50 | -0.56 | 0.19 |
窄体舌鳎 C. gracilis | -0.52 | -0.65* | 0.09 |
刀鲚 C. nasus | 0.24 | 0.50 | 0.52 |
似鳊 P. simoni | 0.81** | 0.87** | 0.31 |
麦穗鱼 P. parva | 0.35 | 0.36 | 0.36 |
鲫 C. auratus | -0.05 | 0.62 | 0.22 |
鲢 H. molitrix | 0.82** | 0.88** | -0.08 |
银鮈 S. argentatus | 0.25 | 0.38 | 0.69* |
亮银鮈 S. nitens | 0.64* | 0.66* | -0.09 |
翘嘴鲌 C. alburnus | 0.71* | -0.60 | -0.75* |
瓦氏黄颡鱼 P. vachellii | -0.26 | -0.32 | 0.30 |
红鳍原鲌 C. erythropterus | -0.13 | -0.05 | -0.24 |
草鱼 C. idella | 0.62 | 0.31 | -0.68 |
长蛇鮈 S. dunerili | 0.01 | -0.60 | -0.42 |
棒花鱼 A. rivularis | 0.42 | 0.26 | 0.07 |
乌鳢 C. argus | 0.25 | 0.40 | 0.31 |
兴凯鱊 A. chankaensis | -0.03 | 0.19 | 0.41 |
光唇蛇鮈 S. gymnocheilus | 0.35 | 0.35 | 0.24 |
日本鳗鲡 A. japonica | -0.31 | 0.44 | 0.47 |
鳡鱼 E. bambusa | 0.41 | 0.36 | -0.60 |
| -0.28 | -0.37 | -0.71 |
青鱼 M. piceus | 0.25 | 0.21 | -0.23 |
短盖肥脂鲤 P. brachypomus | 0.10 | 0.10 | -1.00 |
赤眼鳟 S. curriculus | -0.44 | -0.46 | -0.26 |
鲤 C. carpio | -0.61 | -0.13 | 0.12 |
寡鳞飘鱼 P. engraulis | -0.12 | -0.03 | -0.20 |
香鱼衔 R. olidus | 0.33 | 0.65* | 0.62 |
蛇鮈 S. dabryi | 0.15 | 0.14 | 0.00 |
凤鲚 C. mystus | 0.30 | 0.18 | -0.43 |
高体鳑鲏 R. ocellatus ocellatus | 0.37 | 0.23 | -0.43 |
鳜 S. chuatsi | -0.21 | -0.42 | -0.48 |
银鲴 X. argentea | 0.03 | -0.17 | -0.60 |
黄颡鱼 P. fulvidraco | -0.68* | -0.26 | 0.52 |
彩石鳑鲏 R. lighti | 0.34 | 0.34 | -0.09 |
缺鬚鱊 A. imberbis | 0.74* | 0.71* | 0.03 |
鳙 A. nobilis | 0.29 | 0.29 | 1.00** |
铜鱼 C. heterodon | -0.89* | -0.87* | -0.40 |
子棱吻虾虎鱼 R. giurinus | 0.40 | 0.42 | 0.36 |
中国花鲈 L. maculatus | 0.53 | 0.51 | -1.00 |
圆尾斗鱼 M. chinensis | -0.18 | -0.42 | -0.59 |
整个鱼类群聚 The whole fish assemblage | 0.64* | 0.46 | 0.20 |
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