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SONG Yaobin, ZHANG Qiping, DA Liangjun. Experimental ecology research on destroyed evergreen broad leaved forests in TNFP, Zhejiang (Ⅳ): Contribution of seed bank to early restoration of destroyed evergreen broad leaved forests[J]. Journal of East China Normal University (Natural Sciences), 2010, (3): 1-9.
Citation:
SONG Yaobin, ZHANG Qiping, DA Liangjun. Experimental ecology research on destroyed evergreen broad leaved forests in TNFP, Zhejiang (Ⅳ): Contribution of seed bank to early restoration of destroyed evergreen broad leaved forests[J]. Journal of East China Normal University (Natural Sciences), 2010, (3): 1-9.
SONG Yaobin, ZHANG Qiping, DA Liangjun. Experimental ecology research on destroyed evergreen broad leaved forests in TNFP, Zhejiang (Ⅳ): Contribution of seed bank to early restoration of destroyed evergreen broad leaved forests[J]. Journal of East China Normal University (Natural Sciences), 2010, (3): 1-9.
Citation:
SONG Yaobin, ZHANG Qiping, DA Liangjun. Experimental ecology research on destroyed evergreen broad leaved forests in TNFP, Zhejiang (Ⅳ): Contribution of seed bank to early restoration of destroyed evergreen broad leaved forests[J]. Journal of East China Normal University (Natural Sciences), 2010, (3): 1-9.
Experimental ecology research on destroyed evergreen broad leaved forests in TNFP, Zhejiang (Ⅳ): Contribution of seed bank to early restoration of destroyed evergreen broad leaved forests
Four destroyed evergreen broadleaved forest plots were established by simulating the common disturbance types (removing trees, H8 m; removing trees, H8 m; removing all above ground plant; removing all aboveground plant and 010 cm depth surface soil) in Tiantong National Forest Park, in October, 2003. For understanding the contribution of seed bank to the restoration of destroyed evergreen broad leaved forests, the seed germination pattern, species composition, and the similarity between seed bank and the seedlings composition of first year restoration have been studied in this paper. The results showed that there were 995 seeds in seed bank and the seed abundance was 248.75 m-2, which belonged to 28 species, 27 genera and 21 families. The role of seed bank to 4 plots were Ⅰ (0.467) Ⅳ (0.389) Ⅱ (0.368) Ⅲ (0). The pioneer species Sassafras tzumu , Alniphyllum fortunei , Clerodendrum cyrtophyllum , Litsea cubeba germinated and recruited abundantly from seed bank while the climax species Castanopsis carlesii and Lithocarpus glaber had little role to vegetation restoration. The species Choerospondias axillaries and Cinnamomum camphora mainly regenerated from exotic seed source. Conclusively, the soil seed bank exerted little role to the restoration of the evergreen broadleaved forests in this area.