LUCC classification system
| Primary type | secondary type | |||
| serial number | name | serial number | name | meaning |
| 1 | arable land | – | – | Refers to the land where crops are planted, including cultivated land, newly opened wasteland, fallow land, resting land, and grass rotation crop land; fruit, mulberry, agricultural and forestry land mainly planted with crops; beach land and tidal flats that have been cultivated for more than three years. |
| – | – | 11 | paddy field | Refers to the arable land that has water source guarantee and irrigation facilities, can be irrigated normally in normal years, and is used to grow aquatic crops such as rice and lotus root, including arable land that implements rotation of rice and dry land crops. 111 Mountain paddy field 112 Hilly paddy field 113 Plain paddy field 114 > 25 degree sloping paddy field |
| – | – | 12 | dry land | Refers to arable land without irrigation water sources and facilities, relying on natural water to grow crops; with water sources and irrigation facilities, dry crop arable land that can be irrigated normally in normal years; arable land mainly grown vegetables; round rest. 121 Mountain dry land 122 Hill dry land 123 Plain dry land 124>25 degree slope dry land |
| 2 | woodland | – | – | Refers to forestry land for growing trees, shrubs, bamboos, and coastal mangroves. |
| – | – | 21 | wooded land | Refers to natural forests and plantations with canopy density >30%. Including timber forests, economic forests, shelter forests and other stretches of forest land. |
| – | – | 22 | shrubs | Refers to the dwarf forest and shrub land with a canopy density > 40% and a height of less than 2 meters. |
| – | – | 23 | woodland | Refers to forest land with tree canopy density of 10-30%. |
| – | – | 24 | other woodland | Refers to immature forest afforestation land, remnants, nurseries and various gardens (orchards, mulberry gardens, tea gardens, tropical forest gardens, etc.). |
| 3 | grassland | – | – | Refers to all kinds of grasslands that mainly grow herbaceous plants with a coverage of more than 5%, including shrub grasslands dominated by grazing and canopy density of more than 5%. Less than 10% of open forest and grassland. |
| – | – | 31 | high coverage grass | Refers to natural grasslands, improved grasslands and mowed grasslands with >50% cover. This type of grassland generally has better water conditions and the grass grows densely. |
| – | – | 32 | Medium Coverage Grass | Refers to natural grassland and improved grassland with a coverage of >20-50%. This kind of grassland generally lacks water and the grass cover is sparse. |
| – | – | 33 | low cover grass | Refers to natural grass with a coverage of 5-20%. This kind of grassland lacks water, the grass is sparse, and the conditions for pastoral use are poor. |
| 4 | the waters | – | – | Refers to land for natural land waters and water conservancy facilities. |
| – | – | 41 | canal | Refers to naturally formed or artificially excavated rivers and the land below the perennial water level of the main trunk. Artificial canals include embankments. |
| – | – | 42 | lake | Refers to the land below the perennial water level of the naturally formed water accumulation area. |
| – | – | 43 | Reservoir Pond | Refers to the land below the perennial water level of the artificially built water storage area. |
| – | – | 44 | permanent glacier snow | Refers to land covered by glaciers and snow all year round. |
| – | – | 45 | beach | Refers to the tidal flooding zone between the high tide level and the low tide level of the coastal spring. |
| – | – | 46 | beach | Refers to the land between the water level of rivers and lakes in the normal water period and the flood period. |
| 5 | Urban and rural, industrial and mining, residential land | – | – | Refers to urban and rural residential areas and other industrial, mining, and transportation land. |
| – | – | 51 | urban land | Refers to large, medium and small cities and land used for built-up areas above counties and towns. |
| – | – | 52 | rural settlements | Refers to rural settlements independent of cities and towns. |
| – | – | 53 | Other construction land | Refers to factories and mines, large industrial areas, oil fields, salt fields, quarries and other lands as well as traffic roads, airports and special land. |
| 6 | unused land | – | – | Currently unused land, including difficult-to-use land. |
| – | – | 61 | sand | Refers to the land whose surface is covered by sand and whose vegetation coverage is less than 5%, including deserts, excluding deserts in water systems. |
| – | – | 62 | Gobi | Refers to the land whose surface is dominated by crushed gravel and whose vegetation coverage is less than 5%. |
| – | – | 63 | saline land | Refers to the land where surface salinity is concentrated, vegetation is scarce, and only plants with strong saline-alkali tolerance can grow. |
| – | – | 64 | wetlands | Refers to land with flat and low-lying terrain, poor drainage, long-term humidity, seasonal or perennial water accumulation, and wet plants growing on the surface. |
| – | – | 65 | bare land | Refers to land with surface soil coverage and vegetation coverage below 5%. |
| – | – | 66 | bare rock texture | Refers to the land whose surface is rock or gravel, covering >5% of the area. |
| – | – | 67 | other | Refers to other unused land, including alpine desert, tundra, etc. |
| 9 | – | 99 | ocean | Oceans were not included in the earliest classification systems because monitoring was done on land. New code added in data update due to land reclamation involving ocean. |
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