Search results
Results from the WOW.Com Content Network
Aquaponics is a food production system that couples aquaculture (raising aquatic animals such as fish, crayfish, snails or prawns in tanks) with hydroponics (cultivating plants in water) whereby the nutrient-rich aquaculture water is fed to hydroponically grown plants.
Another example of a multitrophic interaction is a trophic cascade, in which predators help to increase plant growth and prevent overgrazing by suppressing herbivores. Links in a food-web illustrate direct trophic relations among species, but there are also indirect effects that can alter the abundance, distribution, or biomass in the trophic ...
Nutrients in the soil are taken up by the plant through its roots, and in particular its root hairs.To be taken up by a plant, a nutrient element must be located near the root surface; however, the supply of nutrients in contact with the root is rapidly depleted within a distance of ca. 2 mm. [14] There are three basic mechanisms whereby nutrient ions dissolved in the soil solution are brought ...
Also known as Maiden's hair plant, this popular, stringy algae is often mistaken for hair algae and enters the aquarium trade on live rock and coral. It is toxic, making it inedible and capable of effecting coral growth, though microinvertebrates enjoy living within the algae such as amphipods and copepods.
Aquatic plants are used to give the freshwater aquarium a natural appearance, oxygenate the water, absorb ammonia, and provide habitat for fish, especially fry (babies) and for invertebrates. Some aquarium fish and invertebrates also eat live plants. Hobbyists use aquatic plants for aquascaping, of several aesthetic styles.
“Sonny: 0, Fish Pond: 1” reads the caption on this clip, in which innocent ginger cat Sony is minding his own business at the lip of a raised fish pond when he accidentally mistakes the water ...
Want to know how fit you are?Drop and give me 20 — or less, depending on your age. The number of pushups you can do can be a good indicator of your muscular strength and endurance, according to ...
Main page; Contents; Current events; Random article; About Wikipedia; Contact us