نتایج جستجو برای: habs

تعداد نتایج: 358  

Journal: :Science of The Total Environment 2021

Harmful algal blooms (HABs), caused primarily by nutrient input from agricultural runoff, are a threat to freshwater systems worldwide, and further predicted increase in size, frequency, intensity due climate change. HABs occur annually the Western Basin of Lake Erie (Ohio, USA), these become toxic when dominated cyanobacteria that produce liver toxin microcystin. Although we making substantial...

Journal: :Limnology and oceanography letters 2022

Abstract The worldwide proliferation of harmful algal blooms (HABs) both in freshwater and marine ecosystems make understanding predicting their occurrence urgent. Trait‐based approaches, where the focus is on functional traits, have been successful explaining community structure dynamics diverse but not applied extensively to HABs. existing trait compilations suggest that HAB taxa differ from ...

Journal: :The Biochemical journal 1977
S G Wilkinson

Configurations were determined for previously identified amino components of the lipopolysaccharide from Pseudomonas aeruginosa N.C.T.C. 8505. Glucosamine and galactosamine belong to the D-series, and alanine and aminogalacturonic acid to the L-series. An additional amino component was identified as 2,4-diamino-2,4,6-trideoxy-D-glucose. This compound may be a characteristic component of the O-s...

Journal: :Chemistry Africa 2023

Abstract Microcystins (MCs) are found in aquatic settings and have detrimental effects on both human animal health. Their occurrence is influenced by the deposition of nutrients water further increased high temperatures which favor proliferation harmful algal blooms (HABs). Climatic conditions Africa growth HABs. Therefore, determination MC contamination African sources paramount importance. Th...

Journal: :Data 2022

Commercial bans due to harmful algal blooms (HABs), which are natural events, question the sustainability of human activities in marine and coastal areas. A risk assessment these is important support decision-making better manage mitigate their impacts. However, data sparse difficult collect. The dataset presented this paper includes “estimated closures scallop fishing areas” HAB toxicity along...

Journal: :Biodiversitas 2022

Abstract. Hasani Q, Yusup MW, Caesario R, Julian D, Muhtadi A. 2022. Autoecology of Ceratium furca and Chaetoceros didymus as potential harmful algal blooms in tourism aquaculture sites at Teluk Pandan Bay, Lampung, Indonesia. Biodiversitas 23: 5670-5680. Harmful (HABs) phenomenon has been observed around Waters, Lampung Bay. The dominant HABs found waters were didymus. This study aimed to anal...

1999
John J. Cullen Aurea M. Ciotti Richard F. Davis Marlon R. Lewis

Concerns about harmful algal blooms (HABs) have grown in recent years. There is a pressing need for robust, quantitative, and cost-effective methods to detect and characterize algal blooms. Critical applications of these methods include long-term monitoring of coastal waters to indicate the degree to which present trends of HABs and human activities are linked, early warning systems to protect ...

Journal: :Diversity 2021

Anthropogenic marine eutrophication has been recognized as one of the major threats to aquatic ecosystem health. In recent years, phenomena, prompted by global warming and population increase, have stimulated proliferation potentially harmful algal taxa resulting in prevalence frequent intense blooms (HABs) coastal areas. Numerous areas Mediterranean Sea (MS) are under environmental pressures a...

Journal: :Zeitschrift fur Naturforschung. Section C, Biosciences 1981
M Suwalsky J Tapia

A structural study of the synthetic phospholipid, L-alpha-dimyristoyl lecithin (DML), habs been made by X-ray fiber diffraction methods. Three different types of oriented specimens were prepared. They were X-ray photographed under the same conditions, including temperature and relative humidity. Three different types of diffraction patterns, corresponding to different conformations and/or packi...

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