南海中西部海域鸢乌贼中型群和微型群的营养生态位
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摘要
为了深入了解南海鸢乌贼不同种群的碳氮稳定同位素特征及营养生态位之间的关系,于2017年8月在南海中西部海域采集其中型群和微型群样品,分析不同胴长组的碳氮稳定同位素值和营养级变化,并比较其营养生态位差异.结果表明:中型群鸢乌贼的δ~(13)C范围在-19.54‰～-18.10‰,δ~(15)N范围在7.79‰～9.45‰,营养级范围在2.72～3.21,平均营养级为2.90;微型群鸢乌贼的δ~(13)C范围为-19.69‰～-18.43‰,δ~(15)N范围为8.02‰～8.99‰,营养级范围为2.79～3.08,平均营养级为2.91.两个鸢乌贼种群间δ~(13)C差异不显著,δ~(15)N差异显著.胴长显著影响了鸢乌贼的δ~(13)C和δ~(15)N值,且随着胴长的增大,δ~(15)N值有增大的趋势.中型群鸢乌贼的营养生态位宽幅和营养级的多样性程度都大于微型群.
To explore the characteristics of carbon and nitrogen stable isotope and trophic niche between two forms(medium-form and dwarf-form) of the purple flying squid Sthenoteuthis ouala-niensis, we collected samples from the central and western South China Sea in August 2017 to analyze the values of carbon and nitrogen stable isotope and the changes of trophic level for different mantle lengths. We further compared the trophic niche differences of the two forms populations. The results showed that for the medium-form, the δ~(13)C value ranged from-19.54‰ to-18.10‰ and the δ~(15)N value ranged from 7.79‰ to 9.45‰. The average trophic level of medium-form was 2.90 and ranged from 2.72 to 3.21. For the dwarf-form, the δ~(13)C value ranged from-19.69‰ to-18.43‰, and the δ~(15)N value ranged from 8.02‰ to 8.99‰. The average trophic level of the dwarf-form was 2.91 and ranged from 2.79 to 3.08. There were significant differences of δ~(15)N but no differences of δ~(13)C values between the medium-form and dwarf-form of purple flying squid. The mantle length had a significant impact on δ~(13)C and δ~(15)N, with the value of δ~(15)N increasing with the mantle length. The trophic niche breadth and the trophic level of the medium-form purple flying squid were more diverse than those of dwarf-form.
To explore the characteristics of carbon and nitrogen stable isotope and trophic niche between two forms(medium-form and dwarf-form) of the purple flying squid Sthenoteuthis ouala-niensis, we collected samples from the central and western South China Sea in August 2017 to analyze the values of carbon and nitrogen stable isotope and the changes of trophic level for different mantle lengths. We further compared the trophic niche differences of the two forms populations. The results showed that for the medium-form, the δ~(13)C value ranged from-19.54‰ to-18.10‰ and the δ~(15)N value ranged from 7.79‰ to 9.45‰. The average trophic level of medium-form was 2.90 and ranged from 2.72 to 3.21. For the dwarf-form, the δ~(13)C value ranged from-19.69‰ to-18.43‰, and the δ~(15)N value ranged from 8.02‰ to 8.99‰. The average trophic level of the dwarf-form was 2.91 and ranged from 2.79 to 3.08. There were significant differences of δ~(15)N but no differences of δ~(13)C values between the medium-form and dwarf-form of purple flying squid. The mantle length had a significant impact on δ~(13)C and δ~(15)N, with the value of δ~(15)N increasing with the mantle length. The trophic niche breadth and the trophic level of the medium-form purple flying squid were more diverse than those of dwarf-form.
引文
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[13] Zhang P (张鹏),Yan L (晏磊),Yang B-Z (杨炳忠),et al.Population structure of purpleback flying squid (Sthenoteuthis oualaniensis) in Nansha area in spring.South China Fisheries Science (南方水产科学),2015,11(5):11-18 (in Chinese)
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[15] Wang J-F (王建锋),Zhao F (赵峰),Song C (宋超),et al.Diet composition and seasonal variation in feeding habits of Collichthy lucidus in Yangtze Estuary,China.Chinese Journal of Applied Ecology (应用生态学报),2016,27(1):291-298 (in Chinese)
[16] Yan Y-R (颜云榕),Luo H-S (卢伙胜),Jin X-S (金显仕),et al.Marine fish feeding ecology and food web:Progress and perspectives.Journal of Fisheries of China (水产学报),2011,35(1):145-153 (in Chinese)
[17] Li Z-Y (李忠义),Zuo T (左涛),Dai F-Q (戴芳群),et al.Trophic level analysis of organisms from Changjiang estuary and adjacent waters of southern Yellow Sea in spring with stable isotope technology.Journal of Fishery Sciences of China (中国水产科学),2010,17(1):103-109 (in Chinese)
[18] Power ME,Holomuzki JR,Lowe RL.Food webs in Mediterranean rivers.Hydrobiologia,2013,719:119-136
[19] John ML,Molly EL.Assessment of trophic dynamics of cephalopods and large pelagic fishes in the central North Atlantic Ocean using stable isotope analysis.Deep Sea Research Part II:Topical Studies in Oceanography,2013,95:63-73
[20] Gong Y (贡艺),Chen L (陈玲),Li Y-K (李云凯).Selection of isotopic baselines in marine ecosystems.Chinese Journal of Applied Ecology (应用生态学报),2017,28(7):2399-2404 (in Chinese)
[21] Zanden M,Rasmussen Joseph B.Variation in δ15N and δ13C trophic fractionation:Implications for aquatic food web studies.Limnology and Oceanography,2001,46:2061-2066
[22] Jackson AL,Inger R,Parnell AC,et al.Comparing isotopic niche widths among and within communities:SIBER-Stable Isotope Bayesian Ellipses in R.Journal of Animal Ecology,2011,80:595-602
[23] Gorbatenko KM,Melnikov IV,Kiyashko SI,et al.The population characteristics and trophic status of herring in the pelagic layer of the northern Okhotsk Sea.Russian Journal of Marine Biology,2013,39:474-485
[24] Labe LL.Catch rate of oceanic squid by Jigging method in the South China Sea,area Ⅲ:Western Philippines.Proceedings of the Third Technical Seminar on Marine Fishery Resources Survey in the South China Sea,Area III:Western Philippines,Manila,1999
[25] Vander Zanden MJ,Fetzer WW.Global patterns of aquatic food chain length.Oikos,2007,116:1378-1388
[26] Post DM.Using stable isotopes to estimate trophic position:Models,methods,and assumptions.Ecology,2002,83:703-718
[27] Layman CA,Arrington DA,Montana CG,et al.Can stable isotope ratios provide for community-wide mea-sures of trophic structure?Ecology,2007,88:42-48
[28] Xu L (徐亮),Ning J-J (宁加佳),Wang X-H (王雪辉),et al.Effect of lipid removal on carbon and nitrogen isotopes of Sthenoeuthis oualaniensis from South China Sea.South China Fisheries Science (南方水产科学2018,14(4):88-93 (in Chinese)
[29] Cherel Y,Fontaine C,Jackson GD.Tissue,ontogenic and sex-related differences in δ13C and δ15N values of the oceanic squid Todarodes filippovae (Cephalopoda:Ommastrephidae).Marine Biology,2009,156:699-708
[30] Christian MI,Friedemann K.Cannibalism in cephalopods.Reviews in Fish Biology and Fisheries,2010,20:123-136
[31] Gong Y-Y (龚玉艳),Kong X-L (孔啸兰),Yang Y-T (杨玉滔),et al.Feeding habits of dwarf-form Sthenoteuthis oualaniensis population in the South China Sea.Marine Fisheries (海洋渔业),2018,40(4):394-403 (in Chinese)
[32] Zhang P (张鹏),Zhang J (张俊),Li Y (李渊),et al.An exploratory fishing survey of light falling-net fisheries in the central and southern South China Sea in autumn.South China Fisheries Science (南方水产科学),2016,12(2):67-74 (in Chinese)
[2] Zhang P (张鹏),Yang L (杨吝),Zhang X-F (张旭丰),et al.The present status and prospect on exploitation of tuna and squid fishery resources in South China Sea.South China Fisheries Science (南方水产科学),2010,6(1):68-74 (in Chinese)
[3] Zhang J (张俊),Chen G-B (陈国宝),Zhang P (张鹏),et al.Estimation of purpleback flying squid (Sthenoteuthis oualaniensis) resource in the central and southern South China Sea based on fisheries acoustics and light-falling net.Journal of Fishery Sciences of China (中国水产科学),2014,21(4):822-831 (in Chinese)
[4] Logan JM,Toppin R,Smith S,et al.Contribution of cephalopod prey to the diet of large pelagic fish predators in the central North Atlantic Ocean.Deep Sea Research Part II:Topical Studies in Oceanography,2013,95:74-82
[5] Chen X-J (陈新军),Ye X-C (叶旭昌).Preliminary study on the relationship between fishing ground of Symlectoteuthis oualaniensis and environmental factors in northwestern Indian Ocean.Journal of Shanghai Fishe-ries University (上海水产大学学报),2005,14(1):55-60 (in Chinese)
[6] Chen X-J (陈新军),Qian W-G (钱卫国),Tian S-Q (田思泉).Resource density and distributions of Symlectoteuthis oualaniensis in open seas of Northern Arabian Sea.Advances in Marine Science(海洋科学进展),2006,24(3):360-364 (in Chinese)
[7] Yan Y-R (颜云榕),Feng B (冯波),Lu H-S (卢伙胜),et al.Fishery biology of purpeback flying squid Sthenoteuthis oualaniensis in northern sea areas around Nansha Islands in summer.Oceanologia et Limnologia Sinica (海洋与湖沼),2012,43(6):1177-1186 (in Chinese)
[8] Su L (粟丽),Chen Z-Z (陈作志),Zhang P (张鹏).Reproductive biology of purpleback flying squid (Symplectoteuthis oualaniensis) in the south-central South China Sea in spring and autumn.South China Fisheries Science (南方水产科学),2016,12(4):96-102 (in Chinese)
[9] Jiang Y-E (江艳娥),Chen Z-Z (陈作志),Lin Z-J (林昭进),et al.Statolith morphology of purpleback flying squid Sthenoeuthis oualaniensis in the central South China Sea.South China Fisheries Science (南方水产科学),2014,10(4):85-90 (in Chinese)
[10] Liu B-L (刘必林),Chen X-J (陈新军),Zhong J-S (钟俊生).Statolith morphology of the purpleback flying squid Sthenoeuthis oualaniensis in the northwest Indian Ocean.Journal of Shanghai Fisheries University (上海水产大学学报),2008,17(5):604-609 (in Chinese)
[11] Gong Y-Y (龚玉艳),Zhan F-P (詹凤娉),Yang Y-T (杨玉滔),et al.Feeding habits of Symplectoteuthis oualaniensis in the South China Sea.South China Fishe-ries Science (南方水产科学),2016,12(4):80-87 (in Chinese)
[12] Zhang Y-M (张宇美).Feeding Habits and Trophic Level of Purpleback Flying Squid Sthenoeuthis oualaniensis Based on Carbon and Nitrogen Stable Isotope Ana-lysis in the South China Sea.Master Thesis.Zhanjiang:Guangdong Ocean University,2014 (in Chinese)
[13] Zhang P (张鹏),Yan L (晏磊),Yang B-Z (杨炳忠),et al.Population structure of purpleback flying squid (Sthenoteuthis oualaniensis) in Nansha area in spring.South China Fisheries Science (南方水产科学),2015,11(5):11-18 (in Chinese)
[14] Matías A,Sebastián RA,Gabriel L,et al.Food web structure and body size:Trophic position and resource acquisition.Oikos,2010,199:147-153
[15] Wang J-F (王建锋),Zhao F (赵峰),Song C (宋超),et al.Diet composition and seasonal variation in feeding habits of Collichthy lucidus in Yangtze Estuary,China.Chinese Journal of Applied Ecology (应用生态学报),2016,27(1):291-298 (in Chinese)
[16] Yan Y-R (颜云榕),Luo H-S (卢伙胜),Jin X-S (金显仕),et al.Marine fish feeding ecology and food web:Progress and perspectives.Journal of Fisheries of China (水产学报),2011,35(1):145-153 (in Chinese)
[17] Li Z-Y (李忠义),Zuo T (左涛),Dai F-Q (戴芳群),et al.Trophic level analysis of organisms from Changjiang estuary and adjacent waters of southern Yellow Sea in spring with stable isotope technology.Journal of Fishery Sciences of China (中国水产科学),2010,17(1):103-109 (in Chinese)
[18] Power ME,Holomuzki JR,Lowe RL.Food webs in Mediterranean rivers.Hydrobiologia,2013,719:119-136
[19] John ML,Molly EL.Assessment of trophic dynamics of cephalopods and large pelagic fishes in the central North Atlantic Ocean using stable isotope analysis.Deep Sea Research Part II:Topical Studies in Oceanography,2013,95:63-73
[20] Gong Y (贡艺),Chen L (陈玲),Li Y-K (李云凯).Selection of isotopic baselines in marine ecosystems.Chinese Journal of Applied Ecology (应用生态学报),2017,28(7):2399-2404 (in Chinese)
[21] Zanden M,Rasmussen Joseph B.Variation in δ15N and δ13C trophic fractionation:Implications for aquatic food web studies.Limnology and Oceanography,2001,46:2061-2066
[22] Jackson AL,Inger R,Parnell AC,et al.Comparing isotopic niche widths among and within communities:SIBER-Stable Isotope Bayesian Ellipses in R.Journal of Animal Ecology,2011,80:595-602
[23] Gorbatenko KM,Melnikov IV,Kiyashko SI,et al.The population characteristics and trophic status of herring in the pelagic layer of the northern Okhotsk Sea.Russian Journal of Marine Biology,2013,39:474-485
[24] Labe LL.Catch rate of oceanic squid by Jigging method in the South China Sea,area Ⅲ:Western Philippines.Proceedings of the Third Technical Seminar on Marine Fishery Resources Survey in the South China Sea,Area III:Western Philippines,Manila,1999
[25] Vander Zanden MJ,Fetzer WW.Global patterns of aquatic food chain length.Oikos,2007,116:1378-1388
[26] Post DM.Using stable isotopes to estimate trophic position:Models,methods,and assumptions.Ecology,2002,83:703-718
[27] Layman CA,Arrington DA,Montana CG,et al.Can stable isotope ratios provide for community-wide mea-sures of trophic structure?Ecology,2007,88:42-48
[28] Xu L (徐亮),Ning J-J (宁加佳),Wang X-H (王雪辉),et al.Effect of lipid removal on carbon and nitrogen isotopes of Sthenoeuthis oualaniensis from South China Sea.South China Fisheries Science (南方水产科学2018,14(4):88-93 (in Chinese)
[29] Cherel Y,Fontaine C,Jackson GD.Tissue,ontogenic and sex-related differences in δ13C and δ15N values of the oceanic squid Todarodes filippovae (Cephalopoda:Ommastrephidae).Marine Biology,2009,156:699-708
[30] Christian MI,Friedemann K.Cannibalism in cephalopods.Reviews in Fish Biology and Fisheries,2010,20:123-136
[31] Gong Y-Y (龚玉艳),Kong X-L (孔啸兰),Yang Y-T (杨玉滔),et al.Feeding habits of dwarf-form Sthenoteuthis oualaniensis population in the South China Sea.Marine Fisheries (海洋渔业),2018,40(4):394-403 (in Chinese)
[32] Zhang P (张鹏),Zhang J (张俊),Li Y (李渊),et al.An exploratory fishing survey of light falling-net fisheries in the central and southern South China Sea in autumn.South China Fisheries Science (南方水产科学),2016,12(2):67-74 (in Chinese)
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