Forest Reproductive Materials Seed Stands & Seed Orchards
收藏Open Data Forestry2026-03-03 更新2026-05-16 收录
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https://data-forestry.opendata.arcgis.com/datasets/cd81412fc6204f6d96f04e8893e37fe6_0
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<div>The Categories are: "Source Identified" comes from general or specific locations within a single region of provenance or seed zone altitude band in which no specific superior qualities are recognised. "Selected" are collected from stands showing superior characteristics, e.g. better form, growth rate and health. "Qualified" derives from the selection of superior individual trees which have not undergone any form of testing. "Tested" derives from the selection of individual trees or stands that have undergone evaluation for genetic quality or have been shown to be superior, in comparison to accepted standards.</div>
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