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Studii de Caz
The Danube Delta Biosphere Reserve (DDBR), a Ramsar wetland Site and a UNESCO World Heritage Site, is a biodiversity hotspot for numerous species of flora and fauna, including important colonies of 312 breeding and wintering bird species.
Erken is a clear water lake that usually is ice covered between January and March. It is dimictic with weak and often interrupted summer stratification, which represents an intermediate case between a polymictic lake and a lake with strong summer stratification.
Trasimeno is a tectonic lake that is quite shallow (mean depth is 4.7 m) and with a relatively large catchment (396 km2). A eutrophic lake, Trasimeno is mainly used for irrigation, drinking and industrial uses that drain water through artesian wells in the lake groundwater reservoir.
Norra Bergundasjön is a hypertrophic suburban lake rich in birds and fish. The lake was originally oligotrophic but a lowering of the lake level in the early 19th century contributed to eutrophication together with discharge of untreated sewage water from Växjö town.
Institutul Național de Cercetare - Dezvoltare "Delta Dunării"
Strada Babadag, nr. 165, CP. 820112, Tulcea, Romania
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