> One is a land use the other a land cover. In practice they are both types of vegetation (grass + similar).
Mappers have to base their tagging off of what can be seen: that's the type of vegetation (grass and other herbaceous plants), plus other clues such as fences, the presence of grazing animals, or other signs of mowing for hay or grazing. > The grass is not there once cut Generallly there is still a couple of centimeters of grass leaves remaining after mowing for hay. It looks like a mowed lawn, or the rough of a golf course, not nearly as short as the fairway or green. (Source: I used to work "bucking hay", lifting hay bales onto the truck, during high school) On 3/15/20, Warin <61sundow...@gmail.com> wrote: > On 15/3/20 4:36 pm, Joseph Eisenberg wrote: >> Unfortunately, a slight change to the description on the wiki will not >> stop mappers from using landuse=meadow for a wide variety of features. > > > Usually these are 'armchair mappers'. What they typically see is land cover > not a land use. > >> >> Currently there is even a tag meadow=perpetual for "meadows which are >> maintained by natural environmental conditions", which I would >> normally tag as natural=grassland. >> >> However, I do think that the description needs to say that it is >> mainly covered in grass and similar non-woody plants > > > There would be nothing wrong with tagging both > > landuse=meadow > > with > > natural=grassland (or similar) > > One is a land use the other a land cover. > >> >> There are many areas of rangeland in semi-arid regions where the main >> vegetations is scrub or dwarf scrub (bushes and dwarf shrubs), where >> the primary landuse is grazing cattle or sheep. These areas are not >> tagged as landuse=meadow, because they are not a meadow or pasture: >> there is not much grass. Many of them can be tagged as natural=heath >> or natural=scrub, describing the semi-natural vegetation. > > Here sheep give way to cattle in the more arid regions. > >> >> The presence of mainly grass (or sedges, clover, other herbaceous >> plants) is just as important as the presence of grazing or occasional >> hay-cutting, to define a meadow or pasture. > > The grass is not there once cut, the remains are stubble. Hence the word > 'usually' can be employed? > >> >> - Joseph Eisenberg >> >> On 3/15/20, Warin <61sundow...@gmail.com> wrote: >>> Hi, >>> >>> The present description of landuse=meadow is; >>> >>> An area of meadow or pasture: land primarily vegetated by grass and >>> other >>> non-woody plants, mainly used for hay or grazing. >>> >>> That places the land cover before the land use. The emphases should be >>> on >>> the land use, the land use should be first? >>> >>> Possibly a better description: >>> >>> An area of meadow or pasture: land primarily used to produce hay or for >>> grazing of animals. Usually vegetated by grass and other non-woody >>> plants. >>> >>> >>> >>> I am trying to get mappers not to use this for areas of grass land that >>> could be more appropriatly tagged natural=grassland. >>> >>> Thoughts? >>> >>> >> _______________________________________________ >> Tagging mailing list >> Tagging@openstreetmap.org >> https://lists.openstreetmap.org/listinfo/tagging > > > _______________________________________________ Tagging mailing list Tagging@openstreetmap.org https://lists.openstreetmap.org/listinfo/tagging
