|本期目录/Table of Contents|

[1]杨骁成,陈融斌,陈政强,等.兴化湾互花米草迹地一年生秋茄的生长特性及营养元素季节动态特征[J].集美大学学报(自然科学版),2026,31(5):517-529.
　YANG Xiaocheng,CHEN Rongbin,CHEN Zhengqiang,et al.Growth Characteristics and Seasonal Dynamics of Nutrient Elements of Annual Kandelia obovata Seedlings in the Spartina alterniflora Clearing in Xinghua Bay[J].Journal of Jimei University,2026,31(5):517-529.
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兴化湾互花米草迹地一年生秋茄的生长特性及营养元素季节动态特征(PDF)
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《集美大学学报（自然科学版）》[ISSN:1007-7405/CN:35-1186/N]

卷:
第31卷
期数:
2026年第5期
页码:
517-529
栏目:
水产养殖与食品工程
出版日期:
2026-09-28

文章信息/Info

Title:
Growth Characteristics and Seasonal Dynamics of Nutrient Elements of Annual Kandelia obovata Seedlings in the Spartina alterniflora Clearing in Xinghua Bay
作者:
杨骁成1; 2; 陈融斌1; 2; 陈政强1; 2; 王秋荣1; 2; 徐典1; 2; 杨睿1; 2; 李元跃1; 2
(1. 集美大学水产学院，福建 厦门 361021；2. 福建省海洋渔业资源与生态环境重点实验室，福建 厦门 361021)
Author(s):
YANG Xiaocheng1; 2; CHEN Rongbin1; 2; CHEN Zhengqiang1; 2; WANG Qiurong1; 2; XU Dian1; 2; YANG Rui1; 2; LI Yuanyue1; 2
(1.Fisheries College,Jimei University,Xiamen 361021,China;2.Fujian Provincial Key Laboratory of Marine Fishery Resources and Ecoenvironment,Xiamen 361021,China)
关键词:
兴化湾; 红树林; 秋茄; 生长特性; 营养特征; 互花米草
Keywords:
Xinghua Bay; mangrove; Kandelia obovata; growth characteristics; nutritional characteristics; Spartina alterniflora
分类号:
-
DOI:
-
文献标志码:
A
摘要:
为探究互花米草迹地一年生秋茄的生长特性和营养元素动态特征，揭示一年生秋茄在互花米草迹地上应对季节变化的策略，反映其生长与营养元素分配规律，在福建省福清市新厝镇的兴化湾滨海湿地展开实验研究，对一年生秋茄（2021年11月—2022年8月，每个季度采样一次）形态特征，生物量，C、N、P生态化学计量特征及其季节变化规律进行分析。实验结果表明：1）一年生秋茄生长特性年增长率为冠幅（93.39%）>株高（52.71%）>主根长（40.94%）>基径（3.9%），其根生物量主要在春季和夏季积累，茎生物量主要在春季积累，叶生物量主要在冬季和春季积累，夏季可能受到干旱胁迫，将更多资源分配给地下部分；2）与高潮区和中潮区相比，低潮区秋茄在株高和生物量上表现出优势，但其植株含水量在夏季显著较低，表明其对夏季水分胁迫更为敏感；3）一年生秋茄叶片C（317.93~408.15 g/kg）、N（12.94~17.72 g/kg）、P（1.28~1.49 g/kg）的季节动态变化趋势不同，C/N、C/P随着季节的变化逐渐增加，在夏季达到最高值，N/P变化范围为10.20~12.01，初期的快速生长导致植物N质量分数较低，因而叶片N/P较低。
Abstract:
To explore the growth characteristics and nutrient element dynamics of annual Kandelia obovata in Spartina alterniflora clearing,and to reveal its response strategies to environmental changes as well as the relationship between growth and nutrient allocation,an experiment was conducted in Xinghua Bay coastal wetland,Xincuo Town,Fuqing City,Fujian Province.The experiment was carried out on annual K.obovata from November 2021 to August 2022.Samples were collected once every quarter for analysis of morphological characteristics,biomass,ecological stoichiometric features of C,N and P,as well as their seasonal variation patterns.The experimental results showed that:1) The annual growth characteristics of annual K.obovata were crown width(93.39%)>plant height(52.71%)>main root length(40.94%)>base diameter(3.9%).The root biomass mainly accumulates in spring and summer,the stem biomass mainly accumulates in spring,and the leaf biomass mainly accumulates in winter and spring.In summer,it may be under drought stress,allocating more resources to the underground part.2）Compared with the high tide and medium tide zones,the K.obovata in the low tide zone showed advantages in plant height and biomass.However,the water content of its plants was significantly lower in summer,indicating that it was more sensitive to water stress in summer.3) The seasonal dynamic variation trends of C(317.93-408.15 g/kg),N(12.94-17.72 g/kg),and P(1.28-1.49 g/kg) in the leaves of annual K.obovata were different.C/N and C/P gradually increase with the change of seasons and reach the highest value in summer.The range of N/P variation was 10.20-12.01.The rapid growth in the early stage led to a relatively low N content in the plant,and thus the N/P ratio of the leaves was also low.

参考文献/References:

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备注/Memo

备注/Memo:
更新日期/Last Update: 2026-11-01