Journal of Ecology and Environment

Table 2 Numbers, sex ratio and DBH of T. nucifera trees in the three quadrats (160 × 300 m)

From: Spatial distribution patterns of old-growth forest of dioecious tree Torreya nucifera in rocky Gotjawal terrain of Jeju Island, South Korea

		Sex		Sex ratio	Density	Mean DBH (cm)
		Males	Females	Sex ratio	Density	Mean DBH (cm)
Quadrat A
DBH	Small	31	31	0.62 ^***	63.5	62.5 ± 18.3
DBH	Large	158	85	0.62 ^***	63.5	62.5 ± 18.3
Quadrat B
DBH	Small	72	89	0.53 ^NS	99.4	54.1 ± 15.7
DBH	Large	181	135	0.53 ^NS	99.4	54.1 ± 15.7
Quadrat C
DBH	Small	129	101	0.48 ^NS	84.8	42.1 ± 21.6
DBH	Large	65	112	0.48 ^NS	84.8	42.1 ± 21.6

Sex ratio = male/(male + female); Density = trees/ha; DBH, Small = DBH < 50 cm, Large = DBH ≥ 50 cm
*** P < 0.0001; NS not significant

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ISSN: 2288-1220

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