noun
forestry; lumbering; timbering
Refers specifically to work in the forest industry: felling trees, logging, and related mountain labor.
祖父は若い頃、山仕事で生計を立てていた。
My grandfather made a living from forestry when he was young.
この地域では今でも山仕事が主
Forestry is still a major industry in this region.
noun
work done in the mountains
Broader than forestry; can include any labor performed in mountainous areas, such as trail maintenance, charcoal making, or gathering wild plants.
夏の間、村の人たちは山仕事で忙しくなる。
During the summer, the villagers get busy with mountain work.