皆伐與不同跡地清理方式對杉木土壤化學性質的影響1)

凌威　王新杰　劉樂　　　　　　　　武文昊

(省部共建森林培育與保護教育部重點實驗室(北京林業大學)，北京，100083)　　　(遼寧省林業調查規劃院)

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皆伐與不同跡地清理方式對杉木土壤化學性質的影響1)

凌威王新杰劉樂武文昊

(省部共建森林培育與保護教育部重點實驗室(北京林業大學)，北京，100083)(遼寧省林業調查規劃院)

摘要以福建將樂國有林場杉木人工林為研究對象，按照立地條件相一致的原則，利用空間代替時間的方法設置皆伐前、皆伐1個月、皆伐3個月、整地1 a、整地3 a、煉山1 a、煉山3 a等不同條件下總計21塊標準樣地，旨在研究皆伐與不同跡地清理方式對杉木林地土壤化學性質的影響。經過對標準地土壤化學性質測定，結合顯著性差異法對試驗數據進行處理分析。結果表明：皆伐后土壤化學性質趨于惡化，不同跡地清理方式土壤化學性質差異顯著，帶狀整地法在短期1 a內對土壤化學性質的改善顯著強于煉山法，并且煉山3 a后土壤化學性質基本恢復至煉山前，總體看來皆伐后帶狀整地的跡地清理方式優于煉山法。

關鍵詞皆伐；整地；煉山；土壤化學性質；杉木林

分類號S714.2

Effects of Clear Cutting and Slash Clearance on Soil Chemical Properties of theCunninghamialanceolataForest

Ling Wei, Wang Xinjie, Liu Le

(The Key Laboratory for Silviculture and Conservation of Ministry of Education, Beijing Forestry University, Beijing 100083, P. R. China); Wu Wenhao(Liaoning Provincial Institute of Forestry Survey and Planning)//Journal of Northeast Forestry University，2016,44(4)：48-53.

Taking the Jiangle State-owned Forest Farms ofCunninghamialanceolataForest in Fujian Province as the research object, according to the principle of site condition consistence, by using space instead of time to set up 21 sample plots under 7 different conditions including before clear-cutting, one month after clear-cutting, three months after clear-cutting, one year after soil preparation, three years after soil preparation, one year after burning-slash, three years after burning-slash, we studied the effects of clear-cutting and different slash on the soil chemical properties ofCunninghamialanceolataforest. By measuring the soil chemical properties of the sample plots and analyzing the experiment data with significant difference method, the soil chemical properties after clear-cutting tended to deteriorating. Soil chemical properties differentiated significantly with different slash cleaning up methods. Zonal soil preparation method is much more effective than slash burning method in terms of improving soil chemical properties within one year. Three years after the slash burning, the soil chemical properties basically restored to the way it was before slash burning. Therefore, zonal soil preparation method is better than slash burning method in terms of slash cleaning up after clear-cutting.

KeywordsClear-cutting; Soil preparation; Burning-slash; Soil chemical properties;Cunninghamialanceolataplantation

林下土壤是林木賴以生存的物質基礎，是森林生態系統的重要組成部分，長期維持和提高森林土壤肥力已經成為森林可持續經營和生態系統穩定的關鍵[1]。而杉木(Cunninghamialanceolata)是我國南方特有的速生豐產樹種，目前人工林面積已達768.31萬hm2，占南方人工林面積的60%～80%[2]，是我國主要的商品林樹種之一，在人工林木材生產中占據重要的地位?！?br>