Biomass and primary productivity of dominant species Aporosa yunnanensis and Blastus cochinchinensis of forest vegetation on Dinghu Mountain

Abstract

Abstract: By methods of field investigation, tree harvesting and gas exchanging, the biomass and primary productivity of Aporosa yunnanensis and Blastus cochinchinensis on Dinghu Mountain are estimated. The biomass of Aporosa yunnanensis is 22733kg·ha^-1 (fresh weight) or 12009kg·ha^-1(dry weight), and that of Blastus cochinchinensis is 15155kg·ha^-1 (fresh weight) or 7874kg·ha^-1(dry weight). The primary productivities of them are respectively 874 and 480kg·ha^-1·yr^-1. After analysing the results, position and role of these two populations in the community are revealed.

Key words: Biomass, Primary productivity, Growth relation formula, Apovosa yunnanensis, Blastus cochinchinensis, Dominant species

Peng Shaolin, Zhang Zhuping. Biomass and primary productivity of dominant species Aporosa yunnanensis and Blastus cochinchinensis of forest vegetation on Dinghu Mountain[J]. Chinese Journal of Applied Ecology, 1992, 3(3): 202-206.

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Biomass and primary productivity of dominant species Aporosa yunnanensis and Blastus cochinchinensis of forest vegetation on Dinghu Mountain

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