On May 29, 2015, at 7:35 PM, pmailkeey . <pmailk...@googlemail.com> wrote:
>> There are no man made trees in >> the forest, they all grow naturally. > > Man can plant a natural tree - or it could self-seed. In osm there is a distinction between cultivated and constructed. We already do this will all other "cultivated" ground - and including forests into man_made does not follow existing tags that make more sense. A farm field and a planted cedar forest are both land cleared, altered, and prepared to grow a crop, tended to throughout their growth cycle, and then the crop is harvested and eventually reseeded (usually), but neither are man-made structures like a dam or a bridge - otherwise man_made would be the most prevalent tag on the map - as we have altered most of the flat arable land on Earth. Man_made seems to be the catch-all for non-amenity non-building structures that are commonly found where people are. Managed Forests, farmland, Gardens, parks, and other "prepared" places are cultivations for different purposes - food, lumber, flowers, leisure - but are not a "building" nor "structure". You can say the land is altered for a purpose (Landuse), but a group of plants is not a "non-building structure." Putting forests in man_made makes it the odd man out. Javbw
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