Ecological Archives M085-008-A1

David M. Forsyth, Deborah J. Wilson, Tomás A. Easdale, Georges Kuntsler, Charles D. Canham, Wendy A. Ruscoe, Elaine F. Wright, Lora Murphy, Andrew M. Gormley, Aurora Gaxiola, and David A. Coomes. 2015. Century-scale effects of invasive deer and rodents on the dynamics of forests growing on soils of contrasting fertility. Ecological Monographs 85:156–179. http://dx.doi.org/10.1890/14-0389.1

Appendix A. Properties of the alluvial and marine terrace forests at Waitutu Forest, New Zealand.

Table A1 summarizes key bio-physical properties of the alluvial and marine terrace forests. The methods used to collect, analyze and report the data presented in Table A1 are given in either Coomes et al. (2005) or Forsyth et al. (2005).

Table A1. Properties (mean ± SE) of the alluvial and marine terrace forests at Waitutu Forest, New Zealand (after Coomes et al. 2005, Forsyth et al. 2005).

Properties

Alluvial forest

Terrace forest

General soil properties

 

 

pH

4.92 ± 0.04

3.91 ± 0.01

Total C (g/m²)

6563 ± 249

11757 ± 357

Humus (FH) layer depth (cm)

0.2 ± 0.2

9.3 ± 1.6

Nitrogen

 

 

N mineralization (g/m²)

2.03 ± 0.33

1.15 ± 0.10

Total N (g/m²)

286 ± 10

307 ± 8

C:N ratio

24 ± 1

39 ± 1

Phosphorus

 

 

Acid-digested P (g/m²)

48 ± 1

1 ± 0

Total P (g/m²)

87 ± 8

11 ± 0

C:P ratio

75 ± 24

1031 ± 43

Organic : total P ratio

0.57 ± 0.04

0.92 ± 0.00

N:P ratio

5.7 ± 0.8

28.5 ± 0.8

Drainage

 

 

Water in humus (FH) layer (g/g)

237 ± 24.0

412 ± 15.0

Proportion of time water table was in each of three depth classes

 

0-20 cm

0.03 ± 0.02

0.14 ± 0.10

20-40 cm

0.08 ± 0.05

0.46 ± 0.06

>40 cm

0.89 ± 0.07

0.40 ± 0.10

Forest physiognomy

 

 

Tree species richness

28

22

Total adult basal area† (cm²/m²)

64.6 ± 5.6

80.0 ± 4.5

Adult basal area angiosperms† (cm²/m²)

59.6 ± 4.5

34.4 ± 3.3

Adult basal area conifers† (cm²/m²)

5.1 ± 2.4

45.6 ± 3.2

Sapling density (number/m²)

0.14 ± 0.03

0.02 ± 0.01

Seedling density (number/m²)

1.13 ± 0.19

4.52 ± 0.69

Tree fern density (number/ha)

610

19

Height of tallest trees (m)

24

21

Maximum height of tree ferns (m)

14

6

Mean height of tree ferns (cm)

130

50

Mean light transmission (%)‡

1.5

4.6

Foliar N and P concentrations in two angiosperm tree species

 

Nothofagus menziesii

 

 

N (mg/g)

1.32 ± 0.02

1.15 ± 0.01

P (mg/g)

0.146 ± 0.007

0.088 ± 0.007

N:P ratio

9.0 ± 0.6

13.1 ± 1.6

Weinmannia racemosa

 

 

N (mg/g)

0.79 ± 0.02

0.62 ± 0.01

P (mg/g)

0.092 ± 0.009

0.047 ± 0.003

N:P ratio

8.6 ± 1.1

13.1 ± 1.1

† 20 × 20 m plots.
‡ Ground level.

Literature cited

Coomes, D. A., et al. 2005. The hare, the tortoise and the crocodile: the ecology of angiosperm dominance, conifer persistence and fern filtering. Journal of Ecology 93:918–935.

Forsyth, D. M., S. J. Richardson, and K. Menchenton. 2005. Foliar fibre predicts diet selection by invasive red deer Cervus elaphus scoticus in a temperate New Zealand forest. Functional Ecology 19:495–504.


[Back to M085-008]