Ecological Archives E087-025-A1

William F. Laurance, Henrique E. M. Nascimento, Susan G. Laurance, Ana Andrade, Philip M. Fearnside, José E. L. Ribeiro, and Robson L. Capretz. 2006. Rain forest fragmentation and the proliferation of successional trees. Ecology 87:469–482.

Appendix A. Available data on initial population density, regeneration capacity, wood specific gravity (wood density), seed-dispersal mode, and median and maximum growth rates for 52 successional tree species or morphospecies in central Amazonia. Also shown is the percentage change in population density for each species near forest edges. Data on regeneration capacities (E = early successional species that can regenerate in pastures; M = mid-successional species normally found in regrowth forest or treefall gaps in primary forest) and seed-dispersal mode (AN = animal dispersed species; AB = abiotically dispersed species; AB/AN = partially abiotically dispersed species) were gleaned from publications and graduate theses. Data on wood density are from publications or tree cores in our study area.

Species

Density change (%)a

Initial density (no./ha)

Regeneration capacity

Wood density (g/cm3)

Dispersal mode

Median growth rate (mm/yr)

Maximum growth rate(mm/yr)b,c

Annona amazonica

0

0

          

Annona ambotay

-50

0.12

M

  

AB

0

0.5

Annona foetida

33.3

0.09

M

        

Bellucia dichotoma

370

0.3

M

  

AN

4

5.3

Bellucia grossularioides

-100

0.06

E

        

Cecropia distachya

0

0.06

E

  

AB/AN

1.6

15.3

Cecropia purpurascens

420

0.15

M

0.36

AN

3.7

6.2

Cecropia sciadophylla

3140

0.3

E

0.39

AN

15.9

16

Cecropia ulei

100

0.06

M

        

Cecropia vs. ficifolia

-100

0.03

          

Croton draconoides

-25

0.12

          

Croton lanjouwensis

262.2

1.36

E

0.62

  

2.7

8

Goupia glabra

-29.4

1.55

E

0.72

AB/AN

1.4

3.4

Jacaranda aff. copaia

33.3

0.09

      

1.4

5

Jacaranda copaia

2.3

1.3

E

0.35

AB

0.8

3.9

Miconia aff. hypoleuca

100

0.06

          

Miconia burchellii

362.2

1.12

M

  

AB

5.2

8.8

Miconia cf. crassinervia

1000

0.03

          

Miconia cf. navioensis

-100

0.03

          

Miconia cf. tetrasperma

66.7

0.27

      

1.6

1.9

Miconia dispar

400

0

M

        

Miconia elaeagnoides

66.7

0.64

M

    

4.5

7.3

Miconia gratissima

0

0

          

Miconia holosericea

0

0.03

          

Miconia longispicata

100

0.03

      

1.8

4.4

Miconia minutiflora

0

0.03

M

  

AN

    

Miconia phanerostila

187.5

0.24

      

1.3

1.7

Miconia punctata

60

0.15

      

0.2

4

Miconia pyrifolia

112.5

0.48

      

4

11.7

Miconia regelii

-10

0.3

M

    

0.3

0.6

Miconia splendens

-100

0.03

M

    

0.2

1.3

Miconia sp. nov. aff lepidota/punctata

0

0

          

Miconia tetraspermoides

200

0.03

          

Miconia tomentosa

-50

0.06

  

0.71

  

0.7

1.4

Pourouma bicolor

59

1.18

M

0.36

AB

4.1

10.7

Pourouma cf. cucura

200

0

          

Pourouma cucura

127.3

0.33

      

3.9

9.8

Pourouma guianensis

120.7

0.88

M

0.38

AN

3.8

9.5

Pourouma melinonii

225

0.12

  

0.32

  

6.5

10.3

Pourouma minor

42.9

0.64

M

0.44

AN

2.9

5.3

Pourouma myrmecophyla

0

0

M

        

Pourouma ovata

-20

0.61

      

1.7

4

Pourouma tomentosa

118.3

2.15

  

0.4

AN

3.6

7.5

Pourouma velutina

136.8

0.58

      

2.1

10.3

Pourouma villosa

107.4

0.82

  

0.34

  

2.2

6.7

Vismia amazonica

1200

0

          

Vismia bemerguii

1100

0.03

M

  

AB/AN

    

Vismia cayennensis

950

0.06

E

0.5

      

Vismia duckei

500

0.03

          

Vismia guianensis

1400

0

E

0.48

AN

    

Vismia japurensis

-50

0.18

E

    

2.1

24.9

Vismia macrophylla

-100

0.18

E

0.49

  

1.1

5.1

aBased on data from 33 1-ha plots that were <100 m from the nearest forest edge, contrasting densities from before fragmentation vs. 13–17 years after forest fragmentation. For species with an initial density of 0 individuals/ha, data from pre- and post-fragmentation censuses were (X+1)-transformed prior to calculating percentages.

b Growth-rate data were generated only for species with ≥3 individuals in forest-interior plots (>100 m from the nearest edge).

c To avoid possible bias from outliers, maximum growth rates are the upper decile of values for each species.


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