Research Article
Spectroscopic Characteristics of Dissolved Organic Matter in Afforestation Forest Soil of Miyun District, Beijing
Table 1
Locations and afforestation information of the samples.
| Abbreviation | Tree species | Growing period | Coordinates |
| Y-1 | Pagoda tree | 1 yr | N40°24′59.6′′, E116°45′43.7′′ | Y-4 | Pagoda tree | 4 yrs | N40°24′30.8′′, E116°45′00.0′′ | Y-10 | Populus tomentosa | 10 yrs | N40°23′58.4′′, E116°43′41.6′′ | Y-15 | Populus tomentosa | 15 yrs | N40°24′00.7′′, E116°43′37.1′′ | Y-20 | Shrub and locust | 20 yrs | N40°20′52.2′′, E116°49′22.0′′ |
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