Liu, Dai, Wang and Lei (2008) Analysis of environmental factors affecting the distribution of epiphytic bryophyte communities in forest at Heishiding Nature Reserve, Guangdong Province

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Analysis of environmental factors affecting the distribution of epiphytic bryophyte communities in forest at Heishiding Nature Reserve, Guangdong Province

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CONTRIBUTORS:

	Author:	Liu, Weiqiu
	Author:	Dai, Xiaohua (GanNan Normal University)
	Author:	Wang, Yongfan
	Author:	Lei, Chunyi

JOURNAL:

Sheng t°ai hsüeh pao: Acta ecologica Sinica, 28(3), 1080 - 1088.

YEAR:

2008

PUB TYPE:

Journal Article

SUBJECT(S):

epiphytic bryophytes, distribution pattern, DCA ordination, environmental factors, Heishiding Nature Reserve

DISCIPLINE:

Ecology

HTTP:

http://www.ecologica.cn/qikan/Cpaper/zhaiyao.asp?bsid=34504

LANGUAGE:

Chinese

PUB ID:

103-441-867 (Last edited on 2008/05/02 09:28:17 GMT-6)

SPONSOR(S):

ABSTRACT:
We examined the distribution pattern of epiphytic bryophyte communities in different forest types and its their relationship with environmental factors based on the study of bryophytes and environmental factors of five 2500 m2 plots in Heishiding Nature Reserve, Guangdong Province, China. Distribution of epiphytic bryophytes showed a vertical gradient along different tree heights, : epiphytic bryophyte cover and species richness at the height of 20 cm was much higher greater than those at 60 cm and higher tree locationsheights, and; quantitative species characters composition of species of the former differed greatly from the latter. Moreover, Bbryophyte cover and species richness differed greatly among tree species. Tree species wereas classified into 4 groups according to dentrended correspondence analysis (DCA) and cluster analysis based on cover of epiphytic bryophytes cover. Pinus massoniana, with two dominant epiphytic species of Syrrhopodon (S. prolifer and S. armatus) specific to it, was classified to a one group. Quercus chungii, also quite different to other tree species, was classified to a one group alone. Other broadleaved trees was were classified into two groups according to the forest type that they live in. Trees in needle-broadleaved forest were classified to a one group and trees in secondary broadleaved forest to another group. According to the analysis of environmental factors and characteristics of barks characteristics, for epiphytic bryophytes, humidity gradient might be one of the major factors that affectsed the vertical distribution of epiphytic bryophytes, and bark pH might be an explanation for the difference in the epiphytic cover among tree species, but and water capacity content has no relation to the distribution pattern. of epiphytic bryophytes, while. bark pH might be an explanation for the difference in the epiphytic cover among tree species. Finally, Community structure of epiphytic bryophytes on the same tree species is also affected by forest types.

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