王永平等:贫、富营养湖泊中苦草的形态解剖结构比较
图1不同湖泊苦草叶片解剖结构图
(M:叶肉组织;VB:叶脉;AC:气室;C:叶绿体;E:附着生物)
,
(I:大溪水库苦草叶表面扫描图(×800);Ⅱ:梅梁湾苦草叶表面扫描图(×800);Ⅲ:梅梁湾苦草叶表面扫描图(×350);IV:大溪水库苦草叶纵横面图(×100);V:梅梁湾苦草叶横切面图(×100))
Fig.1Anatomicalstructureofleafofp/latanjfromoligotrophicandeutrophiclakes
59
图2不同湖泊苦草叶片解剖结构图
(EP:表皮层;AC:气室;PA:薄壁细胞;S:淀粉体;VB:维管束)
(I:大溪水库苦草匍匐枝横切面扫描图(×80);Ⅱ:图I局部放大(×200);Ⅲ:大溪水库苦草匍匐枝横截面半薄切片图(x100);IV:梅梁湾苦革匍匐枝横切面扫描图(×80);V:图Ⅳ局部放大(×200);
Ⅵ:梅梁湾鸷草匍匐枝横截面半薄切片图(×100))
Fig.2Anatomicalstructureofstolonsof矿natansfromoligotrophicandeutrophiclakes
浓度和光照度的影响之外。附着生物也是一个不容忽视的重要原因.有学者研究认为,附着生物和沉水高等植物同属于湖泊生态系统内的初级生产者,生态位高度重叠,相互竞争水下光照、矿质营养元素及CO:资
源㈨.同时,藻类附着于沉水植物叶片后增加了其细胞外扩散层厚度而降低溶解无机碳的供应,并通过竞争
光以及溶解无机碳削弱叶片的光合作用‘2“.采样时发现.不管是水质清澈的大溪水库还是浑浊不堪的太湖
国外地址
贫、富营养湖泊中苦草的形态解剖结构比较
作者:王永平, 秦伯强, WANG Yongping, QIN Boqiang
作者单位:王永平,WANG Yongping(中国科学院南京地理与湖泊研究所,湖泊与环境国家重点实验室,南京,210008;中国科学院研究生院,北京,100049), 秦伯强,QIN Boqiang(中国科学院南京地
理与湖泊研究所,湖泊与环境国家重点实验室,南京,210008)
刊名:电脑的基本操作知识
湖泊科学
英文刊名:JOURNAL OF LAKE SCIENCES
年,卷(期):2011,23(1)
参考文献(44条)
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