Intentional conversion (by humans) of persistent upland or shallow water to wetland is termed:

Wetland creation is the intentional conversion by humans of persistent to shallow or upland water to the wetland.
Natural resource management which may lead to a division of management of natural resources like soil, water, and land focusing on how management affects the life for both future and present generation.
The division is being run with a sustainable development with a basis of land management.

Usually you will find 3 or 4 objective lenses on a microscope. They almost always consist of 4x, 10x, 40x and 100x powers. When coupled with a 10x (most common) eyepiece lens, total magnification is 40x (4x times 10x), 100x , 400x and 1000x.