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Limnology study as inland water and aquatic nature research outline concept. Lake, river, reservoir and wetlands scientific investigation to inspect geological characteristics vector illustration.
Zonation in lakes and ponds as educational freshwater levels outline diagram. Educational labeled scheme with photic, aphotic or littoral, limnetic zones as water depth measurement vector illustration
Ecosystem of duck pond
Types of ecosystem with natural and artificial division outline diagram. Labeled educational animal habitats scheme with detailed terrestrial and aquatic categories and subgroups vector illustration.
Ecosystem of duck pond