森林環境資源分布的異質性與植物的生活史策略分化，是棲位生態學中討論物種共存的關鍵，而物種的耐受性策略一直是熱門議題。然而不同生活史階段植物遇到的環境選汰壓力與資源條件並非一成不變，物種的生活史策略也可能隨之轉換，但是其在幼樹至成樹階段策略如何變化的相關研究卻不多。本研究依理論前人基礎，以物種中個體的生長速率表現作為其所在環境資源條件的簡化指標，將由廣義線性迴歸模型對其死亡機率進行預測，藉由耐受性 (生長速率為零時之死亡率) 及對資源反應性 (死亡率隨生長速率增加下降的程度) 更進一步描述物種的資源分配策略，並探討福山亞熱帶森林48個物種的資源分配策略在幼樹與成樹間是否出現策略轉變現象。研究另以葉面積指數 (Leaf Area Index, LAI) 以及由離子交換樹脂取得之土壤化學養分含量討論物種幼樹生長速率與環境資源因子的關係。在死亡率預測模型的結果中，能觀察到福山物種隨個體成長而有策略轉變現象，且皆為死亡率對資源反應的物種。其中多數物種呈現資源越多的個體分配資源至維持存活的比例越多，且其程度隨成長而逐漸遞減的策略變化趨勢；僅柏拉木與大明橘呈現資源越多的個體分配資源至維持存活的比例越多，且其程度隨成長而逐漸增加的策略變化趨勢。而以零生長死亡率作為幼樹耐受性指標的結果顯示，本研究無法在先驅物種、極耐受性物種以及多數灌木樹種中觀察到策略轉變現象，此結果符合假說預期。在環境資源與幼樹生長速率分析方面，環境因子顯著與否在物種的資源分配策略無法觀察到明顯的趨勢，研判 葉面積指數 與土壤資料對植物幼樹生長的解釋性十分有限。未來可能需要在時間與空間上更精細的環境資源及生物間競爭資料作為解釋植物生長速率的參數，才有機會驗證不同策略物種對資源需求的實際情形。

1. 前言 1
2. 文獻回顧 3
2.1 耐受性策略理論 3
2.2 以生長-死亡關係探討資源分配策略 4
2.3 生活史策略的轉變現象 5
3. 研究假說 7
4. 材料與方法 9
4.1 研究地區-福山動態樣區 9
4.2 研究資料 9
4.2.1 福山樣區每木調查 9
4.2.2 環境因子-葉面積指數 9
4.2.3 環境因子-土壤資料 10
4.3 資料處理 10
4.3.1 環境因子空間內插 10
4.3.2 土壤養分主成分分析 11
4.4 資料分析 11
4.4.1 死亡率預測模型 11
4.4.2 環境資源與幼樹生長速率迴歸模型 12
5. 研究結果 15
5.1 死亡率預測模型分析結果 15
5.1.1 死亡率對資源不反應策略 15
5.1.2 死亡率對資源反應策略而無策略轉變現象 15
5.1.3 福山樹種的生活史策略轉變現象 15
5.2 環境資源與幼樹生長速率分析 16
6. 討論 19
6.1 死亡率預測模型分析結果 19
6.1.1 死亡率對資源不反應策略 19
6.1.2 死亡率對資源反應策略與生活史策略轉變現象 19
6.1.3 福山樹種的耐受性 21
6.2 環境資源與幼樹生長速率分析 22
7. 結論與建議 25
8. 參考文獻 26
9. 圖 31
10. 表 45
11. 附錄 51

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