Ecological Archives E083-044-A2

Diane De Steven and S. Joseph Wright. 2002. Consequences of variable reproduction for seedling recruitment in three neotropical tree species. Ecology 83:2315-2327.

Appendix B. Population means of annual seed production and seedling recruitment for 1987-1997. Annual means are averages of 10 trees per species (except n = 9 in 1997 for Tetragastris and Trichilia).

Year

Mean seed density (seeds/m2)

 

Mean seedling density (seedlings/m2)

 

Quararibea

Tetragastris

Trichilia

 

Quararibea

Tetragastris

Trichilia

1987

27

29

587

 

0.01

0.2

0.04

1988

72

87

1196

 

0.02

1.5

0.10

1989

138

163

307

 

0.03

0.3

0.05

1990

18

179

350

 

0.03

0.2

0.02

1991

382

47

1058

 

1.2

0.02

0.8

1992

106

166

967

 

0.10

1.0

0.6

1993

16

607

4

 

0.05

0.8

0.04

1994

272

9

935

 

1.6

0.01

0.2

1995

8

325

136

 

0.05

0.7

0.06

1996

566

11

179

 

0.3

0.1

0.07

1997

7

9

762

 

0.01

0.4

6.3

species mean

  (m-2 · y-1)

146

148

589

 

0.3

0.5

0.7

Excluding the extreme year 1997, species mean for Trichilia seedling density = 0.2 · m-2 · y-1.



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