移植大叶藻的形态、生长和繁殖的季节性变化
作者:
作者单位:

中国海洋大学 海水养殖教育部重点实验室,山东 青岛 266003

作者简介:

李文涛(1968-),男, 讲师, 从事海草生态学研究.

基金项目:

国家自然科学基金项目(30700615);海洋公益项目(200905019);公益性行业(农业)科研专项(200903005).

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    摘要:

    个季度的观察和测量,发现在春季和初夏大叶藻叶的叶绿素含量较低,而其他季节相对较高;根在冬季和初春最发达;叶及叶鞘长度,叶宽和每株成体的生物量都在夏季达到最高值,而在秋季降到最低值;单株大叶藻叶生产率的最高值和最低值也分别出现在夏季和秋季;大叶藻侧生苗在冬季的萌发率最高,而夏季未观测到有侧生苗萌出。结果显示,光照影响大叶藻叶绿素的含量;水温对移植大叶藻的形态、生长和无性繁殖产生显著影响,夏季高水温对大叶藻生长的抑制作用比冬季低水温的影响更大。

    Abstract:

    meadows have suffered a great decline in the world. In recent years, transplantation of seagrasses has been considered to be an effective method to mitigate and control seagrass degradation. To assess the adaptation of seagrass transplants to new environment, w of eelgrass plants, which were transplanted two years ago. Resulted showed that chlorophyll contents were lower in spring and early summer, but relatively higher during other period. Eelgrass roots were most abundant in winter and early spring. The length of sheath and leaves, width of leaves and the dry weight per individual shoots reached the maximum levels in summer, while the lowest values were observed in fall. The highest and the lowest values of leaf productivity per shoot occurred in summer and fall, respectively. The emergence rate of lateral shoots was the highest in winter, while no lateral shoot emergence was observed in fall. Results indicated that chlorophyll contents were affected by light, whereas the morphology, growth and clonal growth of eelgrass water temperature. In addition, the inducedwas greater than thatby lower water temperature in winter.

    参考文献

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李文涛,张秀梅.移植大叶藻的形态、生长和繁殖的季节性变化[J].中国水产科学,2010,17(5):977-986
.[J]. Journal of Fishery Sciences of China,2010,17(5):977-986

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  • 在线发布日期: 2010-10-14
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