Community structure and controlled factor of attached green algae on the <i>Porphyra yezoensis</i> aquaculture rafts in the Subei Shoal, China

LI Yan; XIAO Jie; DING Lanping; WANG Zongling; SONG Wei; FANG Song; FAN Shiliang; LI Ruixiang; ZHANG Xuelei

doi:10.1007/s13131-015-0677-9

江苏近岸紫菜养殖筏架区定生绿藻群落结构及其受控因素

doi: 10.1007/s13131-015-0677-9

1.
中国海洋大学, 山东青岛 266100;国家海洋局第一海洋研究所, 山东青岛 2660613 汕头大学, 广东汕头 515000
2.
国家海洋局第一海洋研究所, 山东青岛 2660613 汕头大学, 广东汕头 515000
3.
汕头大学, 广东汕头 515000

基金项目: The National Basic Research Program (973 Program) of China under contract No. 2010CB428703; the National Natural Science Foundation of China under contract No. 41306171; the National Research Foundation-Shandong Province United Fund under contract No. U1406403; the Qingdao Public Domain to Support Science and Technology Project under contract No. 13-4-1-68-hy; the Marine and Basic Research Funds of the First Institute of Oceanography, SOA under contract No. 2015G09; MOST International S&T Cooperation Program under contract No. 2010DFA24340.

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- 收稿日期: 2014-05-29
- 修回日期: 2014-08-04

Community structure and controlled factor of attached green algae on the Porphyra yezoensis aquaculture rafts in the Subei Shoal, China

1.
Ocean University of China, Qingdao 266100, China;First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China 3 Shantou University, Shantou 515063, China
2.
First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China 3 Shantou University, Shantou 515063, China
3.
Shantou University, Shantou 515063, China

摘要

摘要: 基于2010年10月至2011年4月对苏北紫菜养殖筏架区定生绿藻及环境因素调查数据,分析研究了紫菜筏架上定生绿藻种群结构和数量变化及重要环境因子对其的影响并估算了调查区绿藻总生物量.结果表明,筏架上定生绿藻种类有浒苔(Ulva prolifera)、盒管藻(Capsosiphon groenlandicus)、缘管浒苔(Ulva linza)、肠浒苔(Ulva intestinalis)、条浒苔(Ulva clathrata)和扁浒苔(Ulva compressa).绿藻生物量变化呈倒抛物线型,4月份为主高峰14898吨,11月份为次高峰2034吨,2月份最低,仅为729吨,3-4月份绿藻几乎呈暴发性增长.种类多样性随季节变化有很大差异,养殖筏架刚入海的9、10月份,绿藻种类丰富,生物多样性高;12月至笠年2月,尽管生物量很低,但仍是多种并存;3-4月份随着生物量的猛增,种类多样性降至最低,盒管藻优势地位明显,生物量比例最大能到80%,浒苔比例呈指数增长,达20%～40%.水温对绿藻生物量及种类演替有直接调控作用,在水温< 10℃时,绿藻即能快速生长;而盐度作用不明显.开展紫菜筏架上定生绿藻群落动态变化及其生物量的估算,为追溯南黄海大规模绿潮发源地提供佐证,为绿潮预防和治理提供基础数据支撑.
- 紫菜养殖 /
- 定生绿藻 /
- 群落结构 /
- 受控因素 /
- 苏北近岸
Abstract: This study analyzes the community structure, the quantity changes of the algae and the effect of important environmental factors and estimates the total biomass of the attached green algae in the survey areas. The study uses data from surveys of the attached green algae on the Porphyra yezoensis aquaculture rafts and data regarding the environmental factors from October 2010 to April 2011 in the Subei Shoal. The attached green algae on the rafts included Ulva prolifera, Capsosiphon groenlandicus, U. linza, U. intestinalis, U. clathrata, and U. compressa. The biomass changes of the attached green algae exhibited an inverted parabola: the biomass was the highest (14 898 t) in April, and was the second highest (2 034 t) in November; it was lowest in February (only 729 t) and increased sharply from March to April. The species diversity differed significantly among the seasons. In September and October, when the P. yezoensis aquaculture rafts were initially set up, the attached green algae had a high biodiversity, while from December to the next February, a variety of green algae species coexisted on the rafts, although the biomass was low, and from March to April, as the biomass increased sharply, the species diversity dropped to the minimum. During this time, C. groenlandicus was apparently dominant with the maximum biomass proportion up to 80%, while the U. prolifera proportion increased exponentially to 20% to 40%. The water temperature had a direct regulating effect on the biomass and the species succession of the attached green algae. The estimation of the community dynamics and the biomass of the green algae provided the evidence needed to track the origin of the large-scale green tide in the southern Yellow Sea.
- Porphyra yezoensis aquaculture /
- attached green algae /
- community structure /
- controlled factor /
- Subei Shoal

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江苏近岸紫菜养殖筏架区定生绿藻群落结构及其受控因素

doi: 10.1007/s13131-015-0677-9

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出版历程

Community structure and controlled factor of attached green algae on the Porphyra yezoensis aquaculture rafts in the Subei Shoal, China

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出版历程

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