Results 21 to 30 of about 159,235 (357)

SESONAL VARIATION IN THE NATUTAL DIET OF KHISHNI LIZA ABU (HECKEL, 1843) FROM TIGRIS RIVER, IRAQ [PDF]

open access: yesمجلة جامعة الانبار للعلوم الصرفة, 2012
:A total of 467 fish of Khishni, Liza abu (Heckel,1843) were collected to study their natural diets and its seasonal variation. Four stations at Tigris River between Wana (Nynawa) at North and Al- Zaafaraniya South of Baghdad; had been chosen for this ...
FAOUZEA J. SHALASH   +3 more
doaj   +1 more source

Branched alkanes from blue–green algae [PDF]

open access: yesJ. Chem. Soc. D, 1970
The mixture of branched alkanes from blue–green algae was found to be 90% 7- and 8-methylheptadecane (1 : 1), and 10% 6-methylheptadecane.
Han, Jerry, Calvin, Melvin
openaire   +4 more sources

Special Issue on Harmful Cyanobacteria and Their Metabolites

open access: yesApplied Sciences, 2022
Cyanobacteria, previously called blue-green algae, are photosynthetic microorganisms which thrive especially in aquatic ecosystems suffering from eutrophication [...]
Jussi Meriluoto, Nada Tokodi
doaj   +1 more source

The influence of forest-forming tree species on diversity and spatial distribution of algae in forest litter

open access: yesFolia Oecologica, 2018
The forest litter plays a significant role in forest ecosystems. The composition of the litter biota comprises micro- and mesofauna, and a great diversity of microorganisms, including unrecognized algae (eukaryotic representatives and Cyanoprokaryota ...
Maltsev Yevhen, Maltseva Irina
doaj   +1 more source

The effects of phosphorus and nitrogen on phytoplankton dominance in tropical fish ponds [PDF]

open access: yes, 1997
Nine ponds were used to determine the effects of phosphorus (P) and nitrogen (N) loading on: the phytoplankton dominance in tropical fish ponds. Three ponds received triple superphosphate (TSP), three received triple superphosphate plus urea (TSPUrea ...
McNabb, Clarence D., Md. Yusoff, Fatimah
core   +1 more source

A field-deployable and handheld fluorometer for environmental water quality monitoring

open access: yesMicro and Nano Systems Letters, 2018
This work reports the development of a field-deployable and fully handheld fluorometer for environmental water monitoring. Our developed fluorimeter can detect both green algae and cyanobacteria (blue-green algae) while simultaneously differentiating and
Young-Ho Shin   +2 more
doaj   +1 more source

SAMSON: Spectral Absorption-fluorescence Microscopy System for ON-site-imaging of algae [PDF]

open access: yes, 2018
This paper presents SAMSON, a Spectral Absorption-fluorescence Microscopy System for ON-site-imaging of algae within a water sample. Designed to be portable and low-cost for on-site use, the optical sub-system of SAMSON consists of a mixture of low-cost ...
Deglint, Jason L.   +4 more
core   +3 more sources

Comparative analysis of the structure of planktonic algae of the Volga and Kama rivers before their confluence in the Kuibyshev reservoir (the Republic of Tatarstan, RF) [PDF]

open access: yesCaspian Journal of Environmental Sciences, 2021
The article presents the results of comparative analysis of the structure of planktonic algae in the Volga and Kama rivers, as well as the assessment of the trophic state of these water bodies, which form the Kuibyshev reservoir at their confluence.
Liliya Yunusovna Khaliullina
doaj   +1 more source

RecepNet: Network with Large Receptive Field for Real-Time Semantic Segmentation and Application for Blue-Green Algae

open access: yesRemote Sensing, 2022
Most high-performance semantic segmentation networks are based on complicated deep convolutional neural networks, leading to severe latency in real-time detection. However, the state-of-the-art semantic segmentation networks with low complexity are still
Kaiyuan Yang   +9 more
doaj   +1 more source

Distribution of blue-green algae (Cyanophyta) in streams of Mt. Stara planina: Serbia [PDF]

open access: yesArchives of Biological Sciences, 2002
Distribution of blue-green algae was studied at 14 sites along five streams in the Stara Planina mountains. Algological samples were taken from the community of benthos and periphyton in the spring (March-May 1991), summer (June-August 1991, August 1996,
Simić Snežana B.
doaj   +1 more source

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