STAND STRUCTURE, WOODY SPECIES RICHNESS AND COMPOSITION OF SUBTROPICAL KARST FORESTS IN MAOLAN, SOUTH-WEST CHINA

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Material Information

Title:
STAND STRUCTURE, WOODY SPECIES RICHNESS AND COMPOSITION OF SUBTROPICAL KARST FORESTS IN MAOLAN, SOUTH-WEST CHINA
Series Title:
Journal of Tropical Forest Science
Creator:
Zhang, ZH
Hu, G
Zhu, JD
Ni, J
Publication Date:
Language:
English

Subjects

Subjects / Keywords:
Karsts ( local )
Tropical Forests ( local )
Species Diversity ( local )
Mixed Forests ( local )
Forest Soils ( local )
Forest Conservation Broadleaved Evergreen Forests ( local )
Forest Habitats ( local )
Forest Regeneration ( local )
Genre:
serial ( sobekcm )

Notes

Abstract:
Natural karst forests have long been degraded due to human disturbances in mountainous regions of south-west China. We analysed the woody species diversity, floristic composition and stand structure of subtropical karst forests in Maolan, Guizhou Province of southwestern China. A census of all woody species with diameter at breast height ≥ 1 cm in two 1-ha plots was made. A total of 8138 individuals belonging to 278 species, 167 genera and 69 families were recorded in the two plots. The most ecologically significant families as determined by stem density were Lauraceae, Fagaceae and Juglandaceae. The tree species Platycarya longipes (Juglandaceae) was the most dominant species in Dongge plot and Castanopsis carlesii var. spinulosa (Fagaceae), in Gengzheng plot. Total basal area was 42.22 m2 in the two plots, ranging from 18.60 to 23.62 m2 per plot. Forest structure was characterised by a large number of saplings. Compared with subtropical non-karst forests in China and karst forests in the tropics, the Maolan karst forest had higher species diversity with different tree species compositions. This study improved our understanding of the species diversity, community structure and functions of karst forests in subtropical Asia. Hutan kars asli telah lama dinyah gred di kawasan bergunungganang di barat daya China akibat gangguan manusia. Kami menganalisis kepelbagaian spesies berkayu, komposisi flora dan struktur dirian hutan kars subtropika di Maolan, wilayah Guizhou di barat daya China. Banci dijalankan ke atas semua spesies berkayu yang mempunyai diameter aras dada ≥ 1 cm di dua plot yang luasnya masing-masing 1 ha. Sebanyak 8138 individu daripada 278 spesies, 167 genus dan 69 famili dicerap di kedua-dua plot. Famili yang paling signifikan dari segi ekologi berdasarkan kepadatan batang ialah Lauraceae, Fagaceae dan Juglandaceae. Platycarya longipes (Juglandaceae) merupakan spesies yang paling dominan di plot Dongge manakala Castanopsis carlesic var. spinulosa (Fagaceae) di plot Gengzheng. Jumlah luas pangkal ialah
Original Version:
Journal of Tropical Forest Science, Vol. 24, no. 4 (2012-10-01).

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University of South Florida Library
Holding Location:
University of South Florida
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This object is protected by copyright, and is made available here for research and educational purposes. Permission to reuse, publish, or reproduce the object beyond the bounds of Fair Use or other exemptions to copyright law must be obtained from the copyright holder.

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