10 Result(s)
within
English
Life Sciences
Freshwater & Marine Ecology
Dunhai Li
Article
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Article
Fate of nitrogen fixed by nitrogen-fixing cyanobacteria in rice and soil during the vegetative growth period of rice
Nitrogen-fixing cyanobacteria (NFC) play an important role in maintaining the N pool of paddy fields, but few studies have been conducted on the N fate of NFC, especially during the vegetative growth period of...
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Article
Effect of substituting nitrogen fertilizer with nitrogen-fixing cyanobacteria on yield in a double-rice crop** system in southern China
The efficient use of nitrogen fertilizer to increase rice production is essential for food security in China. However, the high-input of chemical nitrogen fertilizer has also resulted in soil N losses and envi...
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Article
Study on the safe disposal and resource utilization of cyanobacterial bloom biomass in Dianchi Lake, China
To solve the problem of utilizing massive harmful algal blooms (HABs) biomass, we developed a technique involving physical purification methods, namely, microfiltration (2 μm, 0.45 μm), ultrafiltration (100 kD...
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Article
Application of sodium alginate in induced biological soil crusts: enhancing the sand stabilization in the early stage
Induced biological soil crust (IBSC) technology has proved to be an effective means for speeding up the recovery of biological soil crusts (BSC) in arid and semi-arid regions. This study aims at improving the ...
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Article
Photosynthetic characteristics and inferred changes in thylakoid membrane fluidity determine bloom succession between Anabaena and Microcystis in eutrophic lakes
Anabaena and Microcystis are common dominant cyanobacterial genera and frequently form blooms in large shallow eutrophic lakes in China. There is usually a quick succession between these ...
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Article
The influence of soil and water physicochemical properties on the distribution of Nostoc sphaeroides (Cyanophyceae) in paddy fields and biochemical comparison with indoor cultured biomass
A survey on the distribution of Nostoc sphaeroides, an edible cyanobacterium, growing in mountain paddy fields of Zouma Town in China was carried out in May 2012. The physical and chemical properties of paddy fie...
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Article
An improved method for determining phytoplankton chlorophyll a concentration without filtration
The common and routine procedure for the quantification of chlorophyll a (chl a) in aquatic studies has a series of steps. Here, we sought to find optimal conditions for phytoplankton cell harvesting, chl a extra...
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Competition between toxic Microcystis aeruginosa and nontoxic Microcystis wesenbergii with Anabaena PCC7120
To elucidate the changes in the proportions of microcystin (MC)-producing Microcystis, non-MC-producing Microcystis and Anabaena strains during cyanobacteria blooms, we compared their fitness under different init...
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Cytochemical changes in the developmental process of Nostoc sphaeroides (cyanobacterium)
There are several apparent developmental stages in the life cycle of Nostoc sphaeroides Kützing, an edible cyanobacterium found mainly in paddy fields in central China. The cytochemical changes in developmental s...
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Morphological characteristics and phylogenetic relationship of Anabaena species from Lakes Dianchi and Erhai, China
Although Anabaena is one of the most prevalent planktonic freshwater genus in China, there are few taxonomic reports of Anabaena strains by morphology and genetics. In this study, morphological characteristics an...
