杉木观光木混交林凋落物数量、组成及动态

doi:10.11707/j.1001-7488.2001S106

Abstract

Abstract:

A study was carried out to determine amount, composition and seasonal dynamics of litterfall in mixed forest of Cunninghamia lanceolata and Tsoongiodendron odorum and in pure stand of Cunninghamia lanceolata at 27 years old. Annual litterfall was up to 5.942 t·hm^-2 in mixed stand, slightly higher than that in pure stand, of which 70.8% and 18.28% were occupied by Cunninghamia lanceolata and Tsoongiodendron odorum, respectively. The proportion of leaf litter to total litterfall of Tsoongiodendron odorum was 82.78%, 21.8% higher than that of Cunninghamia lanceolata. Monthly litterfall of both mixed stand and pure stand peaked in March, August and December, with the highest in March, and the seasonal change patterns of litterfall in both stands were in the order of spring>winter>summer>autum.

Key words: Cunninghamia lanceolata, Tsoongiodendron odorum, Mixed forest, Litterfall, Seasonal dynamics

Yang Yusheng;Xie Jingsheng;Chen Yingxiu;He Zongming;Yu Bainan. AMOUNT, COMPOSITION AND SEASONAL DYNAMICS OF LITTERFALL IN MIXED FOREST OF CUNNINGHAMIA LANCEOLATA AND TSOONGIODENDRON ODORUM[J]. Scientia Silvae Sinicae, 2001, 37(zk): 30-34.

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AMOUNT, COMPOSITION AND SEASONAL DYNAMICS OF LITTERFALL IN MIXED FOREST OF CUNNINGHAMIA LANCEOLATA AND TSOONGIODENDRON ODORUM

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