This furry creature is a water vole. Like all mammals ... This fluid delivers nutrients for energy and growth, but not oxygen. Instead, insects get this directly from the air through tiny openings ...
For their study, the IGB team investigated Lake Stechlin, a deep clear-water lake in north-east Germany, which has experienced a dramatic increase in nutrients in recent years. Within just ten ...
Wetlands serve a number of important environmental functions. Location, soil type, surface and ground water movement determine which of the following functions a particular wetland may serve.