The Arabat spit, also called the Arabat arrow, is a sandbar lying in the western part of the sea. Named after a 17th-century Turkish military fort located at the southern tip of the spit, the Arabat arrow spans over 112 kilometres and is one of the longest spits on the planet. Other...
engineering techniques have opened new ways to exploit the potential of cyanobacteria. This review analyses the sustainability of cyanobacteria to solve global problems such as food, energy and environmental degradation. It emphasizes the need to adopt multidisciplinary approaches and a multi-product produc...
Euglena, genus of more than 1,000 species of single-celled flagellated microorganisms that feature both plant and animal characteristics. They are photosynthetic, and most species can also feed heterotrophically. Learn more about Euglena with this articl
toxicEuglenabloomToxic bloom caused byEuglena, a photosynthetic protist. Domestic sewage is also a major source ofplantnutrients, mainlynitratesandphosphates. Excess nitrates and phosphates in water promote the growth ofalgae, sometimes causing unusually dense and rapid growths known asalgal blooms. When...
Defining the protists EuglenaEuglena gracilis(highly magnified) in fresh water. Single-celledEuglenaare photosynthetic eukaryotic organisms that feature a single flagellum. They are found widely in nature. From the time ofAristotle, near the end of the 4th centurybce, until well after the middle of...
toxic Euglena bloomToxic bloom caused by Euglena, a photosynthetic protist.(more) Domestic sewage is also a major source of plant nutrients, mainly nitrates and phosphates. Excess nitrates and phosphates in water promote the growth of algae, sometimes causing unusually dense and rapid growths known...
toxic Euglena bloomToxic bloom caused by Euglena, a photosynthetic protist.(more) Domestic sewage is also a major source of plant nutrients, mainly nitrates and phosphates. Excess nitrates and phosphates in water promote the growth of algae, sometimes causing unusually dense and rapid growths known...
Gomati River, tributary of the Ganges (Ganga) River, central Uttar Pradesh state, northern India. It rises in northern Uttar Pradesh about 32 miles (51 km) east of Pilibhit and is intermittent for the first 35 miles (56 km) of its course, becoming perenn
Coliform bacteria, any of various rod-shaped microorganisms that occur in the intestinal tracts of animals, including humans, and that are widespread in the environment. Coliform bacteria serve as critical indicators of water quality. Learn more about co