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Maps supporting the paper: Aakala, T., Kulha, N, Kuuluvainen T. 2023. Human impact on forests in early 20th century Finland. Landscape Ecology.

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DataCite Commons2023-05-30 更新2024-08-18 收录
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https://figshare.com/articles/dataset/Maps_supporting_the_paper_Aakala_T_Kulha_N_Kuuluvainen_T_2023_Human_impact_on_forests_in_early_20th_century_Finland_Landscape_Ecology_/23257562/1
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资源简介:
Series of maps used in the analysis of human impact on forests of Finland in the early 20th century. Contains the following geopackages (each one in EPSG:3067 (ETRS89/TM35FIN(E,N))): <br> railroads_1925.gpkg - location of railroads, digitized from Witting R 1928. Atlas of Finland. Suomen Maantieteellinen Seura, Helsinki. <br> population_1925.gpkg - distribution of population in 1925 as points. The field "Asukkaita2" shows the number of people each point represents. Map digitized from Witting R 1928. Atlas of Finland. Suomen Maantieteellinen Seura, Helsinki. <br> parishes_1902.gpkg - parishes of Finland in 1905, as polygons. Map digitized from: Siirtolaisuustilasto. Siirtolaisuus vuosina 1900-1902. Suomen Virallinen tilasto XXVIII. <br> state_forests_1925.gpkg - location of state-owned forests in 1925. Map digitized from Witting R 1928. Atlas of Finland. Suomen Maantieteellinen Seura, Helsinki. <br> slash_and_burn.gpkg - map describing how common / widespread slash-and-burn agriculture was in Finland. Field "kaskimaita" quantifies the share of the area used for slash-and-burn cultivation, field "kasket1860" the commonness of the practice in 1860, and "kasket1913" the commonness of the practice in 1913. For interpretation of the classes, see Heikinheimo O (1915) Kaskiviljelyn vaikutus Suomen metsiin. Acta Forestalia Fennica 4:1–264. Available online: https://helda.helsinki.fi/bitstream/handle/1975/8408/acta_1919_4(2)_heikinheimo_referat.pdf?sequence=4 <br> <br> <br>
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figshare
创建时间:
2023-05-30
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