文献类型：期刊文献

中文题名：硇洲岛岩礁带大型海藻固碳潜能

英文题名：Carbon Sequestration Potential Research of Macroalage in the Intertidal Rocky Zone in Naozhou Island

作者：刘耀谦[1,2];张才学[1,2];孙省利[1,2];孙洁[1,2];杨国欢[1]

机构：[1]广东海洋大学海洋资源与环境监测中心;[2]广东海洋大学化学与环境学院,广东湛江524088

年份：2019

卷号：39

期号：5

起止页码：78

中文期刊名：广东海洋大学学报

外文期刊名：Journal of Guangdong Ocean University

收录：CSTPCD

基金：国家海洋公益性行业科研专项(201105008-5);国家海洋公益性行业科研专项(201505027);广东海洋大学创新强校工程科研项目(GDOU2016050212);海洋有机地球化学与气候环境变化研究(R17001)

语种：中文

中文关键词：硇洲岛岩礁带;海藻场;大型海藻;固碳;氮磷吸收

外文关键词：the intertidal rocky zone in Naozhou Island;seaweed field;macroalgae;carbon sequestration;nitrogen and phosphorus absorption

中文摘要：【目的】研究大型海藻固碳及氮磷吸收潜能。【方法】分析硇洲岛岩礁带19种生物量大于50 g·m^-2自然生长的大型海藻固碳量、生产力和TOC,对比分析岩礁带和距岩礁带4 km处海域海水中无机氮和无机磷含量。【结果】褐藻门有3种,生物量、固碳量和生产力最大,分别为20 498 g·m^-2,550 762 g·a^-1,2 466 g·m^-2·a^-1;其次是红藻门有11种,生物量、固碳量和生产力分别为17 547 g·m^-2,138 194 g·a^-1,1 872 g·m^-2·a^-1;绿藻门有5种,生物量、固碳量和生产力分别为3 064 g·m^-2,4 827 g·a^-1,158 g·m^-2·a^-1。受人类活动影响最小的博贺兰岛礁区域海藻生物量、固碳量和生产力均为最大。19种海藻中12种海藻TOC超过30%,分别为衫叶蕨藻Caulerpa taxifolia (M.Vahl) C.Agardh、囊状法囊藻Valonia utricularis(Roth)C.Ag.[Conterva utricularis]、网球藻Dictyosphaeria cavernosa(Forssk.) Boerg、珊瑚藻Corallina sp.、拟鸡毛菜Pterocladiella capillacea (Gmelin)Santelices et Hommersand、紫杉状海门冬Asparagopsis taxiformis (Delile)、茎刺藻Caulacanthus ustulatus (Mertens) Kütz、新角石藻Neogoniolithon sp.、叉节藻Amphiroa sp.、半叶马尾藻Sargassum hemiphyllum (Turn.) var.chinensis C.Ag.、囊藻Colpomenia sinuosa(Mert.exRoth)、羊栖菜Hizikiafusiforme(Harv.)Setch。岩礁带海水中的无机氮和无机磷含量分别在0.17~0.20mg·L^-1和0.007~0.018 mg·L^-1之间,距岩礁带断面4 km左右海域的4个相应站位IN和IP含量分别在0.18~0.22mg·L^-1和0.016~0.022mg·L^-1间,均略高于岩礁区相应站位。大型海藻的生物量与岩礁带无机氮和无机磷间Pearson相关系数分别为-0.248和-0.155。【结论】19种大型海藻在硇洲岛岩礁带海区生态环境下具有良好的生长适应性,固碳能力强,对氮磷具有吸收作用。

外文摘要：【Objective】To explore the carbon sequestration and nitrogen and phosphorus absorption potential of macroalgae.【Method】In this study, solid carbon, production and total organic carbon(TOC) of 19 kinds of naturally growing macroalgae with biomass of more than 50 g·m-2 were examined in the intertidal rocky zone in Naozhou Island.Meanwhile the content of inorganic nitrogen and inorganic phosphorus of seawater were monitored from cross-sections and sections which were 4 km from the intertidal rocky zone.【Result】This study included 3 species of Brown Algae with largest biomass 20498 g·m-2, carbon sink 550762 g·a-1 and production 2466 g·m-2·a-1, 11 species of Rhodophyta with biomass 17547 g·m-2, carbon sink 138194 g·a-1 and production 1872 g·m-2·a-1, 5 species of Chlorophyta with minimum biomass 3064 g·m-2, carbon sink 4827 g·a-1 and production 158 g·m-2·a-1.The maximum value of biomass, carbon sink capacity and production all appeared in Bohelan submerged rock least affected by human activity.The TOC was greater than 30% for 12 species of seaweeds, including Caulerpa taxifolia(M.Vahl) C.Agardh, Valonia utricularis(Roth)C.Ag.[Conterva utricularis], Dictyosphaeria cavernosa(Forssk.) Boerg, Corallina sp., Pterocladiella capillacea( Gmelin)Santelices et Hommersand, Asparagopsis taxiformis(Delile), Caulacanthus ustulatus(Mertens) Kütz, Neogoniolithon sp., Amphiroa sp., Sargassum hemiphyllum(Turn.) var.chinensis C.Ag., Colpomenia sinuosa(Mert.ex Roth) and Hizikia fusiforme(Harv.) Setch.The contents of inorganic nitrogen and inorganic phosphorus of seawater in the intertidal rocky zone were between 0.17 mg·L-1 and 0.20 mg·L-1 and between 0.007 mg·L-1 and 0.018 mg·L-1 respectively.The contents of IN and IP in four corresponding stations about 4 km away from the intertidal rocky zone were in the range of 0.18-0.22 mg·L-1, which were higher than that in the reef.The correlation coefficient between biomass of macroalgae and IN and IP in the intertidal rocky zone were-0.248 and-0.155 respectively.【Conclusion】Nineteen species of macroalgae have good growth adaptability, strong carbon sequestration ability and nitrogen and phosphorus absorption in this area.