Biodiv Sci ›› 2017, Vol. 25 ›› Issue (9): 981-989. DOI: 10.17520/biods.2017052
• Original Papers: Plant Diversity • Previous Articles Next Articles
Yuhang Li1, Wandong Chen2, Houcai Cai2, Zhongmin Sun1,4, Kuidong Xu1,3,4,*()
Received:
2017-02-21
Accepted:
2017-07-26
Online:
2017-09-20
Published:
2017-10-04
Contact:
Xu Kuidong
About author:
# Co-first authors
Yuhang Li, Wandong Chen, Houcai Cai, Zhongmin Sun, Kuidong Xu. Spatio-temporal variation of benthic diatom diversity and community structure in a sandy intertidal zone of the Nanji Islands, China[J]. Biodiv Sci, 2017, 25(9): 981-989.
Fig. 1 Sampling sites of benthic diatoms from the intertidal zone of Huokun’ao in the Nanji Islands. H, M, and L represent high tide zone, middle tide zone and low tide zone, respectively.
Fig. 2 Seasonal changes in environmental factors in the intertidal zone of Huokun’ao, Nanji Islands. H, M, and L represent high tide zone, middle tide zone and low tide zone, respectively.
Fig. 3 Diatom abundance and sediments chlorophyll a concentration in intertidal zone of Huokun’ao, Nanji Islands. H, M, and L represent high tide zone, middle tide zone and low tide zone, respectively.
物种 Species | 优势度 Dominant index (Y) |
---|---|
海岸曲解藻 Fallacia litoricola | 0.1942 |
史氏双壁藻 Diploneis smithii | 0.1780 |
稀疏双壁藻 Diploneis parca | 0.1585 |
似叶状舟形藻 Navicula phylleptosoma | 0.0718 |
匙形菱形藻 Nitzschia spathulata | 0.0550 |
钳状曲解藻 Fallacia forcipata | 0.0522 |
沙生舟形藻 Navicula arenaria | 0.0520 |
琴状福氏藻 Fogedia lyra | 0.0509 |
矩形羽纹藻Pinnularia rectangulata | 0.0447 |
方格舟形藻 Navicula cancellata | 0.0397 |
线性蹄状藻 Hippodonta linearis | 0.0274 |
格氏双眉藻 Amphora graeffeana | 0.0273 |
直菱板藻加拉变种 Hantzschia virgata var. kariana | 0.0264 |
海岸曲解藻长圆变种 Diploneis litoralis var. clathrata | 0.0254 |
新西兰美壁藻 Diploneis novaeseelandiae | 0.0243 |
蹄状藻一种 Hippodonta sp. | 0.0234 |
海洋菱板藻 Hantzschia marina | 0.0223 |
Table 1 Dominant species of benthic diatoms in the intertidal zone of Huokun’ao, Nanji Islands
物种 Species | 优势度 Dominant index (Y) |
---|---|
海岸曲解藻 Fallacia litoricola | 0.1942 |
史氏双壁藻 Diploneis smithii | 0.1780 |
稀疏双壁藻 Diploneis parca | 0.1585 |
似叶状舟形藻 Navicula phylleptosoma | 0.0718 |
匙形菱形藻 Nitzschia spathulata | 0.0550 |
钳状曲解藻 Fallacia forcipata | 0.0522 |
沙生舟形藻 Navicula arenaria | 0.0520 |
琴状福氏藻 Fogedia lyra | 0.0509 |
矩形羽纹藻Pinnularia rectangulata | 0.0447 |
方格舟形藻 Navicula cancellata | 0.0397 |
线性蹄状藻 Hippodonta linearis | 0.0274 |
格氏双眉藻 Amphora graeffeana | 0.0273 |
直菱板藻加拉变种 Hantzschia virgata var. kariana | 0.0264 |
海岸曲解藻长圆变种 Diploneis litoralis var. clathrata | 0.0254 |
新西兰美壁藻 Diploneis novaeseelandiae | 0.0243 |
蹄状藻一种 Hippodonta sp. | 0.0234 |
海洋菱板藻 Hantzschia marina | 0.0223 |
春季 Spring | 夏季 Summer | 秋季 Autumn | 冬季 Winter | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
H | M | L | H | M | L | H | M | L | H | M | L | |
J° | 0.7861 | 0.8761 | 0.7394 | 0.7785 | 0.8053 | 0.8284 | 0.6955 | 0.8034 | 0.8681 | 0.8644 | 0.8301 | 0.8108 |
H' | 2.817 | 3.445 | 2.629 | 2.648 | 2.525 | 2.991 | 2.388 | 2.648 | 2.722 | 2.968 | 2.902 | 2.702 |
1-λ | 0.9112 | 0.9549 | 0.8511 | 0.8766 | 0.8856 | 0.9304 | 0.839 | 0.8974 | 0.9103 | 0.9302 | 0.9199 | 0.9041 |
Table 2 Diversity (H° ), evenness (J° ) and dominance index (1-λ) of benthic diatoms in the intertidal zone of Huokun’ao, Nanji Islands. H, M, and L represent high tide zone, middle tide zone, and low tide zone, respectively.
春季 Spring | 夏季 Summer | 秋季 Autumn | 冬季 Winter | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
H | M | L | H | M | L | H | M | L | H | M | L | |
J° | 0.7861 | 0.8761 | 0.7394 | 0.7785 | 0.8053 | 0.8284 | 0.6955 | 0.8034 | 0.8681 | 0.8644 | 0.8301 | 0.8108 |
H' | 2.817 | 3.445 | 2.629 | 2.648 | 2.525 | 2.991 | 2.388 | 2.648 | 2.722 | 2.968 | 2.902 | 2.702 |
1-λ | 0.9112 | 0.9549 | 0.8511 | 0.8766 | 0.8856 | 0.9304 | 0.839 | 0.8974 | 0.9103 | 0.9302 | 0.9199 | 0.9041 |
Fig. 5 Clustering and Non-metric Multidimensional scaling (MDS) of benthic diatom community in the intertidal zone of Huokun’ao, Nanji Islands. SP, SU, AU, and WI represent spring, summer, autumn and winter, respectively. H, M, and L represent high tide zone, middle tide zone, and low tide zone, respectively.
Fig. 6 95% confidence intervals of average taxonomic distinctness index (Δ+) and variation in taxonomic distinctness index (Λ+), comparing with benthic diatoms data between this study and 1981-1993 (Zhu et al, 1998a, b). The distance between each taxon was set to 1.
属 Genus | 1981-1993* | 2013-2014# | 属 Genus | 1981-1993* | 2013-2014# |
---|---|---|---|---|---|
曲壳藻属 Achnanthes | + | + | 蹄状藻属 Hippodonta | + | |
长曲壳藻属 Achnanthidium | + | 泥生藻属 Luticola | + | ||
辐裥藻属 Actinoptychus | + | 胸隔藻属 Mastogloia | + | ||
双眉藻属 Amphora | + | + | 直链藻属 Melosira | + | + |
蛛网藻属 Arachnoidiscus | + | 栖沙藻属 Moreneis | + | ||
沟盘藻属 Aulacodiscus | + | 舟形藻属 Navicula | + | + | |
棍形藻属 Bacillaria | + | 菱形藻属 Nitzschia | + | + | |
中鼓藻属 Bellerochea | + | 齿状藻属 Odontella | + | + | |
伯克力藻属 Berkeleya | + | + | 书形藻属 Parlibellus | + | |
盒形藻属 Biddulphia | + | 石舟藻属 Petroneis | + | + | |
对纹藻属 Biremis | + | 羽纹藻属 Pinnularia | + | ||
美壁藻属 Caloneis | + | 斜脊藻属 Plagiotropis | + | ||
脊弯藻属 Carinasigma | + | 平面藻属 Planothidium | + | ||
链形藻属 Catenula | + | 斜纹藻属 Pleurosigma | + | + | |
梯舟藻属 Climaconeis | + | 柄链藻属 Podosira | + | ||
卵形藻属 Cocconeis | + | 普氏藻属 Proschkinia | + | ||
圆筛藻属 Coscinodiscus | + | + | 沙网藻属 Psammodictyon | + | |
筒柱藻属 Cylindrotheca | + | 杆线藻属 Rhabdonema | + | ||
桥弯藻属 Cymbella | + | 洛氏藻属 Roperia | + | ||
迪氏藻属 Dickieia | + | 半舟藻属 Seminavis | + | ||
双壁藻属 Diploneis | + | + | 骨条藻属 Skeletonema | + | |
唐氏藻属 Donkina | + | 辐节藻属 Stauroneis | + | + | |
内茧藻属 Entomoneis | + | + | 班盘藻属 Sticotodiscus | + | |
曲解藻属 Fallacia | + | + | 条纹藻属 Striatella | + | |
福氏藻属 Fogedia | + | 双菱藻属 Surirella | + | ||
斑条藻属 Grammatophora | + | + | 针杆藻属 Synedra | + | |
布纹藻属 Gyrosigma | + | + | 平片藻属 Tabularia | + | |
海生双眉藻属 Halamphora | + | 海链藻属 Thalassiosira | + | ||
菱板藻属 Hantzschia | + | + | 粗纹藻属 Trachyneis | + | + |
海氏藻属 Haslea | + | 盘杆藻属 Tryblionella | + |
Table 3 Changes of benthic diatom genera from the intertidal sandy sediments of Huokun’ao, Nanji Islands
属 Genus | 1981-1993* | 2013-2014# | 属 Genus | 1981-1993* | 2013-2014# |
---|---|---|---|---|---|
曲壳藻属 Achnanthes | + | + | 蹄状藻属 Hippodonta | + | |
长曲壳藻属 Achnanthidium | + | 泥生藻属 Luticola | + | ||
辐裥藻属 Actinoptychus | + | 胸隔藻属 Mastogloia | + | ||
双眉藻属 Amphora | + | + | 直链藻属 Melosira | + | + |
蛛网藻属 Arachnoidiscus | + | 栖沙藻属 Moreneis | + | ||
沟盘藻属 Aulacodiscus | + | 舟形藻属 Navicula | + | + | |
棍形藻属 Bacillaria | + | 菱形藻属 Nitzschia | + | + | |
中鼓藻属 Bellerochea | + | 齿状藻属 Odontella | + | + | |
伯克力藻属 Berkeleya | + | + | 书形藻属 Parlibellus | + | |
盒形藻属 Biddulphia | + | 石舟藻属 Petroneis | + | + | |
对纹藻属 Biremis | + | 羽纹藻属 Pinnularia | + | ||
美壁藻属 Caloneis | + | 斜脊藻属 Plagiotropis | + | ||
脊弯藻属 Carinasigma | + | 平面藻属 Planothidium | + | ||
链形藻属 Catenula | + | 斜纹藻属 Pleurosigma | + | + | |
梯舟藻属 Climaconeis | + | 柄链藻属 Podosira | + | ||
卵形藻属 Cocconeis | + | 普氏藻属 Proschkinia | + | ||
圆筛藻属 Coscinodiscus | + | + | 沙网藻属 Psammodictyon | + | |
筒柱藻属 Cylindrotheca | + | 杆线藻属 Rhabdonema | + | ||
桥弯藻属 Cymbella | + | 洛氏藻属 Roperia | + | ||
迪氏藻属 Dickieia | + | 半舟藻属 Seminavis | + | ||
双壁藻属 Diploneis | + | + | 骨条藻属 Skeletonema | + | |
唐氏藻属 Donkina | + | 辐节藻属 Stauroneis | + | + | |
内茧藻属 Entomoneis | + | + | 班盘藻属 Sticotodiscus | + | |
曲解藻属 Fallacia | + | + | 条纹藻属 Striatella | + | |
福氏藻属 Fogedia | + | 双菱藻属 Surirella | + | ||
斑条藻属 Grammatophora | + | + | 针杆藻属 Synedra | + | |
布纹藻属 Gyrosigma | + | + | 平片藻属 Tabularia | + | |
海生双眉藻属 Halamphora | + | 海链藻属 Thalassiosira | + | ||
菱板藻属 Hantzschia | + | + | 粗纹藻属 Trachyneis | + | + |
海氏藻属 Haslea | + | 盘杆藻属 Tryblionella | + |
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