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題名 | 惠蓀林場紅檜人工林與闊葉樹次生林生態系經營模式之導入=Embodiment of Ecosystem Management Model to Taiwan Red Cypress Plantations and Secondary Broadleaf Forest in Huisun Forest Station |
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作者 | 蔡尚惪; 吳聲海; 顏江河; 唐立正; 許博行; 歐辰雄; 呂金誠; 林昭遠; 謝顯宗; | 書刊名 | 林業研究季刊 |
卷期 | 29:1 2007.03[民96.03] |
頁次 | 頁21-37 |
分類號 | 436.7 |
關鍵詞 | 生態系經營; 模式; 疏伐; 監測; 適應性經營; Ecosystem management; Model; Thinning; Monitoring; Adaptive management; |
語文 | 中文(Chinese) |
中文摘要 | 林業經營目標從早期的傳統木材生產,擴展至1960年代的多目標經營,而於1992年美國農部林務署更發展出生態系經營的理念,強調森林生態系的多樣性與完整性。本研究選定國立中興大學惠蓀林場中二個林班內之紅繪造林地為試區,探討如何將生態系經營之理念落實於試區內,且於248號造林地降近之闊葉樹次生林,設置二個調查樣區作為試驗研究的對照組。試區中之紅檜多為分叉叢生,且多入侵的闊葉樹幼木,故進行疏伐處理,希藉以提高其生產力與歧異度,疏伐度的決定係以胸高斷面積為其介量,訂有30、50、60%等三種疏伐度,疏伐後若有較大之孔隙產生,再適度混植牛樟、香楠、烏心石等苗木於孔隙下,且定期監測土壤、微氣候環境因子、植群、土壤表層動物預以及昆蟲等,以評估其施業的效應與影響。並在考量生態性、經濟性以及社會性的層面,發展適切的環境,生物以及生態經濟等生態指標,以為永續經營之評估指標,並藉由適應性經營的反饋,建構森林生態系經營模式,期供未來於大尺度之地景單元經營的參考與依據。 |
英文摘要 | The goal of forest managements has transformed since the 1960s from timber production to multi-purpose utilization, and culminated in the adoption of ecosystem management USDA Forestry Service in 1992, which emphasizes the maintenance of diversity and integrity of forest ecosystem. In order to realize the concepts of ecosystem management, we conducted experiments in two compartments of the Taiwan red cypress plantations in Huisum Forest Station of the National Chugn Hsing Unversity. Two secondary broadleaf forest plots adjacent to the experimental plots were chosen as controls. Most Taiwan red cypress trees within experimental plots grow in clumps and bifurcate into branches at very low height, and the plots are invaded by broadleaf seedlings. We performed 30%, 50%, and 60% thinning based on breast height basal area. Three broadleaf tree species (Cinnamomum kanahirai, Machilus zuihoensis and Michellia compressa) were planted within large gaps after thinning. The effects of thinning on forests were evaluated by monitoring the soil properties, microclinemate conditions, understory plant diversity, and surface-dwelling animal diversity before and after thinning. This practice of developing suitable environmental, biological, and ecological-economical indices for sustainable forest management is based on the consideration at several levels (ecology, economics, and society). By means of feedback based on adaptive management principles, we hope this model of forest ecosystem management can be applied in landscape scale management in the future. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。