洪湖流域冬季浮游植物多样性调查与评价

doi:10.11720/wtyht.2024.1044

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Abstract

To discern the community structure of phytoplankton in the water of Honghu Lake Basin, this study deployed 10 sampling sites in Honghu Lake in October 2021, and evaluated the phytoplankton community using the diversity indices. The results show that there were 66 species of phytoplankton belonging to 49 genera in six phyla, of which the cyanophyta was the most species, followed by bacillariophyta. The phytoplankton biomass of the Honghu Lake Basin in winter ranged from 7.85~42.45 mg/L, averaging 22.35 mg/L. A comprehensive evaluation of the nutrient status of the lake water was conducted based on Margalef's richness index (M), Shannon-Weiner's diversity index (H), Simpson's diversity index (D), Pielou's evenness index (J), and the species dominance index (Y), suggesting that the Honghu Lake Basin water was moderately to severely polluted. This study holds that the water quality of the Honghu Lake Basin can be improved from the following aspects: ① The water protection of the Honghu Lake Basin should be enhanced by strictly controlling the inflow of various water pollutants from downstream and surrounding areas, implementing timely and efficient prevention and control of rural water pollution in the lake area, and properly organizing the balanced harvesting of aquatic phytoplankton; ② The water environment treatment should be strengthened to gradually restore the self-purification capacity of the lake water; ③ The publicity efforts should be intensified by regularly conducting educational activities on water pollution prevention and control in rural areas, residential communities, and schools.

Key words： Honghu Lake Basin phytoplankton diversity index investigation and evaluation

Received: 02 February 2023 Published: 16 April 2024

ZTFLH:	X171.1
	X524

Corresponding Authors: HU Ming-Yi E-mail: 493928635@qq.com;humingyi65@163.com

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	Xiong-Wei ZHENG
	Ming-Yi HU
	Zhi-Yi ZHANG
	Yuan-Zhang XU
	Yang BAI
	Lei LIU
	Jun-Feng WANG

Cite this article:

Xiong-Wei ZHENG,Ming-Yi HU,Zhi-Yi ZHANG, et al. Investigation and evaluation of phytoplankton diversity of the Honghu lake basin in winter[J]. Geophysical and Geochemical Exploration, 2024, 48(2): 555-564.

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https://www.wutanyuhuatan.com/EN/10.11720/wtyht.2024.1044 OR https://www.wutanyuhuatan.com/EN/Y2024/V48/I2/555

Geographical location map of the study area

Geographical location of Honghu lake basin

Current situation of river water quality in Honghu lake basin

Position information of sampling point

Sampling point distribution

Indicators and criteria for evaluation of phytoplankton status in water

中文名	拉丁名	W1	W2	W3	W4	W5	W6	W7	W8	W9	W10	2019
蓝藻门
鱼腥藻	Anabaena sp.	+	+	+	+	+	+	+	+	+	+	+
卷曲鱼腥藻	Anabeana circinalis	+	+	+	+	+	+	+	+	+	+
螺旋鱼腥藻	Anabeana spiroides											+
伪鱼腥藻	Pseudoanabaena sp.	+	+	+	+	+	+	+	+	+	+
螺旋藻	spirulina sp.											+
钝顶螺旋藻	spirulina platensis			+				+		+
颤藻	Oscillatoria sp.	+	+	+	+	+	+	+	+	+	+	+
阿氏颤藻	Oscillatoria agardhii											+
尖头藻	Raphidiopsis sp.		+	+	+	+					+	+
弯形尖头藻	Raphidiopsis curvata											+
中华尖头藻	Raphidiopsis sinensis											+
优美平裂藻	Merismopedia elegans											+
点形平裂藻	Merismopedia punctata			+	+		+		+			+
微小平裂藻	Merismopedia tenuissima											+
细小平裂藻	Merismopedia minima	+		+		+			+
蓝纤维藻	Dactylococcopsis sp.											+
蓝藻门
针晶蓝纤维藻	Dactylococcopsis rhaphidioides											+
色球藻	Chroococcus sp.											+
小型色球藻	Chroococcus minor											+
微囊藻	Microcystis sp.	+	+	+	+	+	+	+	+	+	+	+
鞘丝藻	Lyngbya sp.											+
细鞘丝藻	Leptolyngbya sp.						+		+		+
棒条藻	Rhabdoderma sp.											+
束丝藻	Aphanizomenon sp.	+	+	+	+	+	+	+	+	+	+	+
拟柱胞藻	Cylindrospermopsis sp.											+
依沙矛丝藻	Cuspidothrix issatschenkoi	+	+	+	+	+	+	+	+	+	+
硅藻门
小环藻	Cyclotella sp.	+	+	+	+	+	+	+	+	+	+	+
桥弯藻	Cymbella sp.			+	+						+	+
舟形藻	Navicula sp.			+		+						+
双头辐节藻	Stauroneis anceps											+
针杆藻	Synedra sp.	+	+	+	+		+	+	+	+	+	+
尖针杆藻	Synedra acus											+
放射针杆藻	Synedra actinastroides											+
菱形藻	Nitzschia sp.	+	+	+	+	+	+	+	+	+	+	+
脆杆藻	Fragilaria sp.	+	+	+	+	+	+	+	+	+	+	+
颗粒直链藻	Melosira granulata	+	+	+	+	+	+	+	+	+	+	+
颗粒直链藻极狭变种	Melosira granulata var. angustissima f.spiralis	+	+	+	+	+	+	+	+	+	+
颗粒直链藻极狭变种螺旋变型	Melosira granulata var. angustissima f.spiralis	+	+	+	+	+	+	+	+	+	+
变异直链藻	Melosira varians	+			+	+
模糊直链藻	Melosira Ambigua	+	+	+	+	+	+	+	+	+	+
卵形藻	Cocconeis sp											+
扁圆卵形藻	Cocconeis placentula	+	+			+			+		+
新月拟菱形藻	Nitzschiella closterium											+
扎卡四棘藻	Attheya zachariasi	+	+	+	+					+
异极藻	Gomphonema			+			+
曲壳藻	Achnanthes sp.						+
绿藻门
衣藻	Chlamydomonas sp.	+	+	+	+	+	+	+			+	+
翼膜藻	Pteromonas sp.											+
四鞭藻	Carteria sp.											+
小球藻	Chlorella sp.											+
绿球藻	Chlorococcum sp.											+
空球藻	Eudorina sp.											+
栅藻	Scenedesmus sp.	+	+	+	+	+	+	+	+	+	+	+
双对栅藻	Scenedesmus bijuga											+
四尾栅藻	Scenedesmus quadricauda	+	+	+	+	+	+	+	+	+	+	+
斜生栅藻	Scenedesmus obliquus											+
双尾栅藻	Scenedesmus bicaudatus	+	+	+		+	+	+	+	+	+
齿牙栅藻	Scenedesmus denticulatus					+
二形栅藻	Scenedesmus dimorphus	+	+	+	+	+	+	+	+	+
扁盘栅藻	Scenedesmus platydiscus	+	+						+
四角藻	Tetraedron sp.	+	+	+		+	+		+	+	+
三角四角藻	Tetraedron trigonum	+	+	+	+	+	+	+	+	+	+	+
具尾四角藻	Tetraedron caudatum											+
四星藻	Tetrastrum sp.	+	+	+	+	+	+	+	+	+	+	+
异刺四星藻	Tetrastrum heterocanthum											+
单角盘星藻	Pediastrum simplex			+		+		+	+		+	+
二角盘星藻	Pediastrum duplex	+				+					+
绿藻门
双射盘星藻	Pediastrum biradiatu m											+
四角盘星藻	Pediastrum tetras	+	+	+	+	+	+	+	+		+	+
十字藻	Crucigenia sp.											+
顶锥十字藻	Crucigenia apiculata	+	+			+	+	+	+
直角十字藻	Crucigenia rectangularis							+
四足十字藻	Crucigenia tetrapedi	+			+	+					+
月牙藻	Selenastrum bibraianum	+	+	+	+	+	+	+	+	+	+	+
顶棘藻	Chodatella sp.											+
四刺顶棘藻	Chodatella quadriseta								+
粗刺四棘藻	Treubaria crassispina											+
网球藻	Dictyosphaerium sp.	+	+		+	+		+	+		+	+
蹄形藻	Kirchneriella sp.											+
蹄形藻	Kirchneriella lunaris	+	+		+	+
肾形藻	Nephrocytium sp.											+
纤维藻	Ankistrodesmus sp.	+	+	+	+	+	+	+	+	+	+	+
丛球韦斯藻	Westella botryoides	+	+		+							+
空星藻	Coelastrum sp.	+	+	+	+	+	+	+	+	+	+
小孢空星藻	Coelastrum microporum											+
角星鼓藻	Staurastrum sp.		+								+	+
角丝鼓藻	Desmidium sp.											+
新月藻	Closterium sp.	+		+	+	+	+			+		+
卵囊藻	Oocystis sp.	+	+	+	+	+	+		+		+	+
弓形藻	Schroederia sp.	+	+	+	+	+	+		+	+		+
硬弓形藻	Schroederia robusta											+
鼓藻	Cosmarium sp.	+	+	+		+		+				+
集星藻	Actinastrum sp.											+
并联藻	Quadrigula sp.	+				+
丝状绿藻	Ulothrix sp.	+	+	+	+	+	+	+	+	+	+
游丝藻	Planctonema sp.	+	+	+	+		+			+	+
转板藻	Mougeotia sp.	+	+	+	+	+		+	+
隐藻门
蓝隐藻	Chroomonas sp.											+
尖尾蓝隐藻	Chroomonas acuta	+	+	+	+	+	+	+	+	+	+
隐藻	Cryptomonas sp.	+	+	+	+	+	+	+	+	+	+	+
啮蚀隐藻	Cryptomonas erosa			+	+	+
甲藻门
裸甲藻	Gymnodinium sp.											+
多甲藻	Peridinium sp.											+
薄甲藻	Glendinium sp.	+					+
裸藻门
陀螺藻	Strombomonas sp.											+
裸藻	Euglena sp.	+										+
囊裸藻	Trachelomonas sp.						+					+
扁裸藻	Phacus sp.					+			+

List of winter phytoplankton at sampling sites in Honghu lake basin investigated in 2021

Phytoplankton composition in Honghu lake basin

Dominant species of phytoplankton in Honghu lake basin

Micrographs of dominant species

The density proportion of algal cells at each site

Phytoplankton biomass mg/L

Proportion of phytoplankton biomass composition

Diversity index of phytoplankton communities at different sampling sites

Phytoplankton diversity index

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