Answer:
A chain of reactions is initiated upon soil flooding leading to reduced (low) soil redox potential (Eh, mV) conditions. These reactions include physical, chemical and biological processes that have significant implications for wetland plants.
I think it's the first and second option but I could be wrong because I don't know much about deserts :)
The American public owns all federal public lands, including National Parks, National Forests, Wilderness areas, wild and scenic rivers, and wildlife preserves. Every American has a personal stake and a guaranteed say in how these places are cared for.
I also do Acellus :)