Elevational diversity of arrow bamboo (Fargesia spathacea) communities on Mount Shennongjia in Central China

Abstract

Altitudinal changes in species richness, species diversity, species evenness, life-form spectrum, and community structure of arrow bamboo (Fargesia spathacea) were studied within 11 plots from 1 500 m to 2 600 m asl on Mount Shennongjia in Central China. From the lowest plot (1 680 m) to the highest one (2 570 m), vascular plants declined from 30 to 7 species, following a linear model ofY=55.99-1.83X (d.f.=9,F-value=48.64,r ²=0.84,P<0.001); species diversity, reduced from 3.13 to 1.78, following a linear model ofY=4.67–0.10X (d.f.=9,F-value=22.82,r ²=0.72,P=0.001); species evenness varied from 0.83 to 0.99, but presented little relationship to the altitude (r=0.112,P=0.742). In the life-form spectra, with the increase of altitude, the percentage of annual plants (r=0.60), underground bulb perennials (r=0.40), and big trees (r=0.35) tended to increase; shrubs (r=−0.52) and middle-sized trees (r=−0.45) tended to decline; perennial grasses (r=0.04) and semi-shrubs (r=0.03) were not strongly related to the altitudinal gradient. Arrow bamboo communities could be classified into five groups: bamboo under evergreen broad-leaved forest, under deciduous broad-leaved forest, under temperate coniferous forest, under cold-temperate coniferous and mixed forest, and pure bamboo community.

Keywords

Species richness / Species diversity / Life-form / Vascular plant / Altitude / S718.54 / A

References

[1] Ban J.D., Qi G.S., Liu L.D. et al. Ban J.D. et al. Studies on the natural vegetation of Mt. Shennongjia in western Hubei [C] Studies on the Vegetation of Western Hubei, 1995 Wuhan: Publish House of the Central China University of Technology and Science 9-89.

[2] Barkman J.J. Werger M.J.A., van der Aart P.J.M., During H.J., Verhoeven J.T.A. New systems of plant growth forms and phenological plant types [C] Plant Form and Vegetation Structure, 1988 The Hague: SPB Academic Publishing 9-44.

[3] Campbell J.J.N. Bamboo flowering patterns: a global view with special reference to East Asia [J]. Journal of the Americam bamboo society, 1985, 6: 17-35.

[4] Campbell J.J.N. The history of Sino-Himalayan bamboo flowering, droughts and sun-spots [J]. Journal of Bamboo research, 1987, 6: 1-15.

[5] Campbell J.J.N. Sino-Himalayan bamboos: towards a synthesis of western and eastern knowledge [J]. Journal of American Bamboo Society, 1991, 8(1&2): 12-18.

[6] Causton D.R. An introduction to vegetation analysis [M], 1988 London: Unwin Hyman 71-97.

[7] Gedalof Z., Smith D.J. Dendroclimatic response of mountain hemlock (Tsuga mertensiana) in Pacific North America [J]. Canadian Journal of Forest Research, 2001, 31(2): 322-332.

[8] Jenzen D.H. Why bamboo wait so long to flower [J]. Annual Review of Ecology and Systematics, 1976, 7: 347-391.

[9] Kessler M. Elevational gradients in species richness and endemism of selected plant groups in the central Bolivian Andes [J]. Plant Ecology, 2000, 149: 181-193.

[10] Li B., Ban J.D. Ban J. D. Studies on farges fir formation in Mt. Shennongjia [C] Studies on the Vegetation of Western Hubei, 1995 Wuhan: Publish House of the Central China University of Technology and Science 159-168.

[11] Loucks C. J., Lü Z., Dinerstein E., Wang H., Olson D.M., Zhu C., Wang D.Y. et al. Giant panda in a changing landscape [J]. Science, 2001, 294: 1465-1465.

[12] Ludwig J.A., Reynolds J.F. Statistical ecology—Aprimer on methods and computing [M], 1988 New York: John Wiley & Sons

[13] Moor P. D., Chapman S.B. Methods in plant ecology (Second edition) [M], 1986 Oxford: Blackwell Scientific Publications

[14] Qin Z. Giant panda’s bamboo food resources in Sichuan, China and the regeneration of the bamboo groves [J]. Journal of bamboo research, 1985, 4(1): 1-9.

[15] Taylor A. H., Reid D.G., Qin Z.S., Hu J.C. Spatial patterns and environmental associates of bamboo (Bashania fangiana Yi) after mass-flowering in southwestern China [J]. Bulletin of the Torrey Botanical Club, 1991, 118(3): 247-254.

[16] Taylor A.H., Qin Z.S. Structure and dynamics of bamboos in the Wolong Natural Reserve, China [J]. American Journal of Botany, 1993, 80(4): 375-384.

[17] Taylor A.H., Qin Z.S., Liu J. Structure and dynamics of subalpine forests in the Wang Lang Natural Reserve, Sichuan China [J]. Vegetatio, 1996, 124: 25-38.

[18] Zhou S.X., Huang J.Y. Study on the population density of young Bashania fangiana after natural regeneration [J]. Journal of Bamboo Research, 1996, 15(4): 9-18.

[19] Zhu Z., Song Z. Scientific survey of Shennongjia nature reserve [M], 1999 Beijing: China Forestry Publishing House