Data download link: Baidu cloud download link
introduction
With the rapid development of the economy and society and the acceleration of the urbanization process, agriculture has undergone a functional transformation, from a single production function to a multi-functional production, living and ecological service for the economic and social development of the capital. Wetlands, farmland, grassland and forest ecosystems are integrated to form a complete monitoring system of modern agricultural ecological service value, which comprehensively, objectively and continuously evaluates the important role of modern agriculture in economic and social development.
text
raster data source
| data name |
A dataset of wetland taxonomic distribution in China |
| type of data |
vector |
| Data Format |
SHP |
| scale |
1：10000 |
| Projected coordinates |
Wgs84 |
| coverage |
National |
Data Introduction
With the rapid economic and social development and the acceleration of urbanization, agriculture has undergone a functional transformation, from a single production function to a multi-functional production, living, and ecological service for economic and social development.
The integration of wetlands, farmland, grassland and forest ecosystems forms a complete monitoring system of modern agricultural ecological service value, which comprehensively, objectively and continuously evaluates the important role of modern agriculture in economic and social development.
Wetland spatial distribution data is based on abundant basic data and data, using high-resolution remote sensing information to automatically extract the characteristics of each type of wetland, and combining with artificial visual interpretation to obtain wetland spatial distribution data. Specific wetland cover includes permanent rivers, seasonal rivers, lakes, herbaceous marshes, ponds, canals, aquaculture and paddy fields.
| primary classification |
Secondary classification |
Wetland properties and functions |
| inland wetlands |
Flood Wetlands (Floodplain/Alluvial Fan, etc.) | Wetlands in floodplains are an important part of the natural landscape of water and land and the interlaced zone of water and land interactions in the watershed, which play a transitional and link role in the hydrological, hydraulic and ecological connection between the river and the land. |
| lake | Known as the lungs of the city, it is an important factor in regulating the surrounding climate. | |
| inland swamp | A freshwater swamp with a dominant community of aquatic and marsh herbaceous plants. | |
| Artificial wetland |
Cityscape / Recreational Water Surface |
Refers to various artificial lakes, rivers and other artificial wetlands built for urban landscaping, landscape needs, residents' leisure and entertainment. |
| Marine farms/salt fields, etc. | Constructed wetlands built for the main purpose of aquaculture. | |
| artificial canal | Artificial river wetlands built for water conveyance or water transportation, including ditches and canals for irrigation. | |
| Reservoir/Pond | It is a water storage area with an area of more than 1 hectare built for the main purposes of water storage, power generation, agricultural irrigation, rural life, and purification of water quality. | |
| coastal wetlands | marsh marshes | Coastal swamp refers to the interlaced transition zone between terrestrial ecosystems and marine ecosystems |
| Intertidal zone/shoal/beach | Intertidal wetlands and shallow water areas are active areas for migratory birds. | |
| estuary delta | The geographical environment of the estuary delta is relatively special, and the sediment deposits in the sea will form wetlands | |
| estuarine waters | The original ecological wetland formed naturally at the confluence with the natural river | |
| lagoon | Lagoons are an important part of coastal wetlands . As a special geomorphological form between the sea-land interaction zone, its saltwater-freshwater intersection environment has created a unique ecosystem, which has important ecological significance. |
Source of data acquisition:
1. Geographic Remote Sensing Ecological Network www.gisrs.cn
At the same time, the geographic remote sensing ecological network www.gisrs.cn shares a lot of scientific data in the field of geographic remote sensing (land use data, npp net primary productivity data, NDVI data, meteorological data (precipitation, temperature, evapotranspiration, radiation, humidity) , sunshine hours, wind speed, water vapor pressure data), runoff data, night light data, statistical yearbook, road network, POI point of interest data, GDP distribution, population density distribution, tertiary watershed vector boundary, geological disaster distribution data, soil Geographical data such as type, soil texture, soil organic matter, soil PH value, soil texture, soil erosion, vegetation type, distribution of nature reserves, distribution of building contours, etc., as well as operation tutorials on gis and remote sensing, national monthly average solar radiation Spatial distribution data/monthly rainfall distribution/monthly average temperature distribution) national aviation and airport distribution vector data/tourist attraction poi/national port terminal distribution/subway station distribution/train station distribution/2020 POI vector data.
2. Geospatial Data Cloud
(1) Global Land Cover Plan 2000 (GLC2000)
(2) ESA Global Land Cover Data (ESA GlobCover)
3. Geographical Science Ecology Network
Website address www.csdn.store
4. The University of Maryland data set
UMd based on the 5 bands of AVHRR data and NDVI data has been combined to propose a data matrix again, and the global land cover classification has been carried out with the method of classification tree. Its purpose is to hope to build a dataset with higher accuracy than past data
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