نتایج جستجو برای: cyanobacteria spp

تعداد نتایج: 61581  

2016
Lukáš Vejřík Ivana Matějíčková Jaromír Seďa Petr Blabolil Tomáš Jůza Mojmír Vašek Daniel Ricard Josef Matěna Jaroslava Frouzová Jan Kubečka Milan Říha Martin Čech

Piscivory in cyprinids (Cyprinidae) is extremely rare. Specifically, common bream (Abramis brama) and common carp (Cyprinus carpio) are zooplanktivorous fish in deep lentic waters. Nevertheless, we observed predation by these two cyprinids under natural conditions in the Vír Reservoir, Czech Republic. We conducted diet analysis for cyprinids caught by trawling and gillnets and the large amount ...

2016
Lee F. Stanish Natalie M. Hull Charles E. Robertson J. Kirk Harris Mark J. Stevens John R. Spear Norman R. Pace

The composition and metabolic activities of microbes in drinking water distribution systems can affect water quality and distribution system integrity. In order to understand regional variations in drinking water microbiology in the upper Ohio River watershed, the chemical and microbiological constituents of 17 municipal distribution systems were assessed. While sporadic variations were observe...

Journal: :Revista De Biologia Tropical 2023

Introduction: Ecosystem restoration facilitates ecological succession. When a coral reef experiences disturbance, the community of sessile benthic organisms can follow successional trajectory that favors dominance or change state to an ecosystem dominated by algae. 
 Objective: To better understand impact transplants on succession community, this study Methods: measure and monitor cover (c...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه الزهراء - دانشکده علوم پایه 1389

این مطالعه به منظور شناسایی باکتری های پاتوژن موجود بر سطح سوند و بررسی توانایی آن ها در تشکیل بیوفیلم انجام گرفت. در این بررسی 50 نمونه سوند ادراری از بیماران مختلف بستری در بخش icu بیمارستان بررسی گردید. باکتری های جدا شده با استفاده از تست های بیوشیمیایی شناسایی و توانایی تشکیل بیوفیلم آن ها در حضور و عدم حضور بیوسایدهای بیسموت اتان دی تیول (bisedt) و بیسموت پروپان دی تیول (bispdt) و اسانس آ...

2016
Muthuraman Pandurangan Doo Hwan Kim

Hypoglycemic effect of cyanobacteria has evaluated in the normal and streptozotocin-induced diabetic male albino rats as a mammalian model. Normal and streptozotocin-diabetic rats were orally administered cyanobacteria for 60 consecutive days, and their blood levels of glucose, insulin, C-peptide, lipid peroxidation, body weight and enzyme changes were determined using standard methods. Cyanoba...

2014
V. Ramamurthy S. Raveendran

The aim of this study was to evaluate dietary dosages of Lyngbya majuscula on the immune response and disease resistance against infections due to the opportunistic pathogen Aeromonas hydrophilia, in fish fingerlings. Cyanobacteria, Lyngbya majuscula was incorporated into the diets of fish, Mugil cephalus (Mangrove snapper) fingerlings. Every 20 days, different biochemical, haematological and i...

2008
Angeline R. Tillmanns Alan E. Wilson Orlando Sarnelle

We analyzed a large data set of laboratory experiments to examine the effects of cyanobacteria containing or lacking intracellular toxic metabolites and of different morphology on zooplankton population growth rates across multiple genera and species of cladocerans, rotifers and cyanobacteria. Twenty-one of the 29 zooplankton species maintained positive growth rates when fed a diet containing c...

Journal: :Journal of medical entomology 2002
M Guadalupe Vázquez-Martínez Mario H Rodríguez Juan I Arredondo-Jiménez José D Méndez-Sanchez J Guillermo Bond-Compeán Michelle Cold-Morgan

Cyanobacteria associated with Anopheles albimanus Wiedemann larval habitats from southern Chiapas, Mexico, were isolated and identified from water samples and larval midguts using selective medium BG-11. Larval breeding sites were classified according to their hydrology and dominant vegetation. Cyanobacteria isolated in water samples were recorded and analyzed according to hydrological and vege...

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