Archive for the ‘Main Ecosystems’ Category:
Ecosystem of Stagnant Water
Informations about Ecosystem of Stagnant Water
Includes the lakes, to which various ponds, streamlets and channels are added. They are characterized by a rich floating and submerse flora (Myriophyllum, Ceratophyllum, Vallisneria etc. under the water; Nymphaea Alba, Nuphar luteum, Trapa natans, Alisma plantago etc., floating plants with roots near the lakes borders; Salvinia natans, Stratiotes aloides, Spirogyra etc., floating plants without roots, having negative effects for the aquatic bioproductivity). Of the fish, the most important are Tinca tinca, Abramis brama, Scardinius erytrophalmus, Carassius auratus gibelio, Silurus glanis, Perca fluviatilis, Exos lucius etc.
Source: www.wikipedia.org
Ecosystems of Running Water
Informations about Ecosystems of Running Water
It comprises tha Danubes arms, as well as a series of more important streamlets and channels. It is an environment very rich in plankton, worms, mollusca, ephemerides, grubs, spongiae, with numerous species of fish, such as the carp, pike perch, sheat fish, and freshwater sturgeons (sterlet, Vyza, Danube mackerel).
Source: www.wikipedia.org