Forests can provide a sustainable yield by planting a tree to replace one that was cut down

Sustainable yield means to not be able to extract things without reducing the base of capital its self. A forest that is damaged by natural disaster would need help in the area of sustainable yield.

Not until it starts raining salt water.

managing fisheries for a sustainable yield includes setting fishing limits, changing fishing methods, developing aquaculture techniques, and finding new resources.

its a catch should be done in a limit without harming the marine environment and in a sustainable way so that could be preserved for the future .