查詢結果分析
來源資料
頁籤選單縮合
題 名 | 不同坡位杉木萌芽更新效果的調查=The Effect of Different Sloping Areas on the Regeneration of Cunninghamia Lanceolata |
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作 者 | 梁英榮; | 書刊名 | 科學農業 |
卷 期 | 52:11/12 民93.12 |
頁 次 | 頁315-319 |
分類號 | 436.254 |
關鍵詞 | 杉木; 萌芽更新; 效果; 不同坡位; Cunninghamia lanceolata; Regeneration; Different sloping areas; Effect; |
語 文 | 中文(Chinese) |
中文摘要 | 對不同坡位杉木實生林,一代萌芽更新六齡林的調查和測算表明:下坡林超過人工杉木林I類林分的標準,到主伐期可成中徑材;中坡林達到或超過II類林分的標準,到主伐期可成小徑材;上坡林則處於Ⅲ~Ⅳ類林分水平,無望成材。調查結果證明:杉木實生林採伐跡地的下坡和中坡段及其相應生育地,可進行萌芽更新;而上坡段及其相應生育地,則不宜進行萌芽更新,應改換耐早耐瘠樹種,如馬尾松(Pinus massoniana) 進行人工更新。 |
英文摘要 | Research on the seedling Cunninghamia lanceolata forest and the 6-year-old stand of its forest regeneration indicated that forest on the lower sloping area goes beyond the standard of plantation's l-grade stand and can grow into medium-diameter timber, that forest on the middle sloping area reaches or goes beyond the standard of plantation's 2-grade stand and can grow into small-diameter timber during harvesting period, and that forest on upper sloping area, however, is only within the standard of 3-4-grade stand with no hope of growing to full size. The findings show that regeneration can be carried out in the lower and middle sloping areas of seedling forest's slashing and their corresponding sites, and that forest of upper sloping area and its corresponding site are not suitable for regeneration and it is feasible to artificially regenerate by planting drought-enduring and barrenness-enduring trees such Pinus massoniana. |
本系統中英文摘要資訊取自各篇刊載內容。