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Water hyacinth is a common fodder plant in the third world especially Africa though excessive use can be toxic. It is high in protein (nitrogen) and trace minerals and the goat feces are a good source of fertilizer as well. Water hyacinth is reported for its efficiency to remove about 60–80% nitrogen [123] and about 69% of potassium from ...
The ocean's surface acts like a skin between the atmosphere above and the water below, and hosts an ecosystem unique to this environment. This sun-drenched habitat can be defined as roughly one metre in depth, as nearly half of UV-B is attenuated within this first meter. [2]
The anchored water hyacinth is a free-floating aquatic perennial plant. [2] It is known by various common names such as, water orchid, and floating water hyacinth. The water hyacinth could be identified by its distinct thick, waxy green leaves that has a rounded or elliptical shape.
Profiling floats can have more than one sensor of the same type on it. A sensor on top of the float will collect data better than one on the bottom if the float is moving vertically through the water column, and a sensor on the bottom will collect data better if the float is descending.
Aquatic plants require special adaptations for prolonged inundation in water, and for floating at the water surface. The most common adaptation is the presence of lightweight internal packing cells, aerenchyma , but floating leaves and finely dissected leaves are also common.
Megamelus scutellaris, the water hyacinth planthopper, is a true bug native to South America. It is used as a biological control agent to manage and reduce the spread of the water hyacinth (Pontederia crassipes, formerly Eichhornia crassipes), an invasive aquatic plant native to South America that has invaded many freshwater systems globally.
The major components of a drifter include surface floats for buoyancy, underwater drogues to ensure the drifter follows the movements of the water and is unaffected by wind, instruments (e.g., data collecting instruments, transmitters to transmit the collected data, and GPS devices), and waterproof containers for instruments.
As the surface of sea water begins to freeze (at −1.9 °C for salinity 3.5%) the ice that forms is essentially salt-free, with about the same density as freshwater ice. [19] This ice floats on the surface, and the salt that is "frozen out" adds to the salinity and density of the sea water just below it, in a process known as brine rejection ...