Results 91 to 100 of about 7,485 (207)

Genetic diversity on the Genus Skeletonema (Bacillariophyceae) in the coastal waters of China [PDF]

open access: yes, 2015
骨条藻(Skeletonema)是一类广泛分布于沿海水域的浮游硅藻,也是常见的赤潮生物。目前,对于整个中国沿海骨条藻的分类和分子生物学方面的研究,比较分散,还不能很好地回答我国沿海骨条藻的种类多样性和遗传多样性的问题。因此,本文选择我国沿海的代表性海区,进行周年采样,对分离培养的纯种株系,选择核糖体LSUnrDNA和ITS片段(5.8SrDNA及转录间隔区ITS1、ITS2)对其进行遗传多样性及系统进化分析,旨在从分子生物学方面分析我国沿海骨条藻属的种内、种间和地理株系间的差异,以及系统进化关系 ...
王琰
core  

The Effects of Copper on Skeletonema Costatum (Greville) Cleve

open access: yes, 1981
Copper levels and dominant phytoplankton species composition were examined from six sites in Kings Creek on Virginia's Eastern Shore from March to August 1980. Creek copper levels were determined by an APDCMIBK extraction procedure and ranged from 0.003 to 0.020 mg/1.
openaire   +2 more sources

The osteogenic and mineralogenic potential of the microalgae Skeletonema costatum and Tetraselmis striata CTP4 in fish models. [PDF]

open access: yesCell Mol Life Sci, 2023
Carletti A   +10 more
europepmc   +1 more source

Estado trófico y estructura comunitaria del microfitoplancton en un sector del golfo de Guayaquil, Ecuador

open access: yesBiota Colombiana, 2018
El incremento urbano en zonas costeras ha conducido a la eutrofización, cuya acumulación de residuos orgánicos ha afectado también al estuario del golfo de Guayaquil; por ello, se determinó el estado trófico utilizando el índice Karydis, a una milla del ...
Luis Troccoli-Ghinaglia   +1 more
doaj   +1 more source

Determination of eutrophic areas in Mundaú/Manguaba lagoons, Alagoas-Brazil, through studies of the phytoplanktonic community Determinação de áreas eutróficas nas lagoas Mundaú e Manguaba, Alagoas-Brasil, através de estudos com a comunidade fitoplanctônica

open access: yesBrazilian Journal of Biology, 2009
Mundaú and Manguaba Lagoons (9° 34' 38"-9° 45' 30" S and 35° 44' 00"-35° 58' 13" W) are considered the largest and most productive ones in the state of Alagoas and were studied with the purpose of identifying the existence of anthropic impacts.
EM. Melo-Magalhães   +4 more
doaj   +1 more source

Planktonic diatoms from the coast of Andalusia (Spain) [PDF]

open access: yes, 2011
Se estudian un total de 206 taxones identificados durante el estudio del ciclo anual realizado en las costas de Andalucía a lo largo del año 2000. Destacan, entre las diatomeas céntricas, la subclase Coscinodiscophycidae con 27 taxones y la subclase ...
Rivera-González, Mª Carmen
core   +1 more source

Effects of two typical quinolone antibiotics in the marine environment on Skeletonema costatum

open access: yesFrontiers in Marine Science
This study investigated the effects of levofloxacin (LEV) and norfloxacin (NOR) on Skeletonema costatum, focusing on cell growth, chlorophyll a (Chla) content, maximal quantum yield of PSII (Fv/Fm), protein content, enzyme activities of superoxide ...
Yuxin Lin, Tiejun Li, Yurong Zhang
doaj   +1 more source

Primary productivity and phytoplankton dynamics in a subtropical estuary: a multiple timescale approach

open access: yesScientia Marina, 2016
Temporal variability of physicochemical parameters and phytoplankton primary productivity, abundance and composition were investigated at Babitonga Bay, southern Brazil, using a hierarchical sampling design on the scales of months, weeks and days during ...
Rafael Antonio Parizzi   +5 more
doaj   +1 more source

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