Ecological Archives E087-055-A3

M. Zeiter, A. Stampfli, and D. M. Newbery. 2006. Recruitment limitation constrains local species richness and productivity in dry grassland. Ecology 87: pp-pp.

Appendix C. Establishment success of seedlings emerged from the soil seed bank at the three study sites in southern Switzerland, (a) Negrentino, (b) Poma and (c) San Giorgio, two years after the beginning of the experiment in 1998 or 1999. Number of established individuals in the control plots (sum and median, n = 10 plots) and frequency of plots with spontaneously established individuals (n = 10 plots). An asterisk indicates species with underestimated number of established individuals.

(a) Negrentino

Species

Sum

 

Median

 

Frequency

 

1998

1999

 

1998

1999

 

1998

1999

                 

Agrostis capillaris

0

7

 

0

1

 

0

6

Anthoxanthum odoratum

23

8

 

1

0.5

 

7

5

Anthyllis vulneraria

9

6

 

1

0

 

6

4

Ajuga reptans

1

0

 

0

0

 

1

0

Arabis ciliata

4

1

 

0

0

 

1

1

Helictotrichon pubescens

7

3

 

0

0

 

4

2

Bromus erectus

0

3

 

0

0

 

0

2

Campanula rotundifolia

9

9

 

0

0

 

3

4

Carex montata

1

0

 

0

0

 

1

0

Carex sp.

2

2

 

0

0

 

2

2

Centaurea nigrescens

7

1

 

0

0

 

3

1

Clinopodium vulgare

53

10

 

2.5

0

 

7

2

Danthonia decumbens

6

3

 

0

0

 

3

3

Daucus carota

2

1

 

0

0

 

2

1

Festuca sp.

4

7

 

0

0.5

 

2

5

Galium rubrum

1

0

 

0

0

 

1

0

Helianthemum nummularium

98

119

 

9.5

9

 

10

10

Hippocrepis comosa

16

6

 

0

0

 

3

2

Holcus lanatus

2

2

 

0

0

 

2

2

Hypericum perforatum

1

0

 

0

0

 

1

0

Hypochaeris radicata

10

12

 

0

1

 

2

6

Leontodon hispidus

5

5

 

0

0

 

4

3

Leucanthemum vulgare aggr.

13

9

 

0

0

 

4

4

Lotus corniculatus

7

16

 

0.5

1

 

5

6

Luzula campestris

1

0

 

0

0

 

1

0

Phyteuma betonicifolium

15

13

 

1

1.5

 

7

7

Pimpinella saxifraga

29

4

 

1

0

 

7

3

Plantago lanceolata

81

54

 

3.5

6

 

9

10

Potentilla erecta *

121

45

 

11.5

3.5

 

10

7

Potentilla pusilla

28

48

 

2

4.5

 

9

8

Primula veris

2

5

 

0

0

 

2

4

Prunella vulgaris

0

4

 

0

0

 

0

1

Prunella grandiflora

2

5

 

0

0

 

1

2

Ranunculus bulbosus

12

14

 

0

0.5

 

4

5

Rumex acetosa

21

10

 

0.5

1

 

5

6

Salvia pratensis

0

1

 

0

0

 

0

1

Sanguisorba minor

34

27

 

0.5

0.5

 

5

5

Scabiosa columbaria

0

2

 

0

0

 

0

1

Silene nutans

149

92

 

16.5

4.5

 

10

10

Solidago virgaurea

17

1

 

1

0

 

7

1

Taraxacum officinale

1

0

 

0

0

 

1

0

Trifolium pratense

6

6

 

0

0

 

3

2

Trifolium montanum

1

0

 

0

0

 

1

0

Trifolium repens

1

2

 

0

0

 

1

2

Thymus pulegioides

22

21

 

0

1

 

4

6

Viola hirta *

169

64

 

17.5

4

 

10

6

Viola riviniana

39

15

 

2

0.5

 

8

5

Veronica spicata

1

0

 

0

0

 

1

0

unknown

1

1

 

0

0

 

1

1

                 

all species

1034

664

 

93

64.5

 

.

.


(b) Poma

Species

Sum

 

Median

 

Frequency

 

1998

1999

 

1998

1999

 

1998

1999

                 

Ajuga reptans

0

4

 

0

0

 

0

2

Anthoxanthum odoratum

0

1

 

0

0

 

0

1

Carex montana

3

8

 

0

0

 

1

2

Centaurea nigrescens

5

1

 

0

0

 

3

1

Cirsium erisithales

0

2

 

0

0

 

0

2

Cruciata glabra

0

3

 

0

0

 

0

2

Dactylis glomerata

0

2

 

0

0

 

0

1

Genista tinctoria

2

0

 

0

0

 

1

0

Lotus corniculatus

2

1

 

0

0

 

2

1

Luzula campestis

0

7

 

0

0

 

0

3

Phyteuma betonicifolium

15

17

 

1

0.5

 

6

5

Potentilla erecta *

26

40

 

2.5

1.5

 

6

7

Rumex acetosa

1

4

 

0

0

 

1

3

Silene nutans

3

3

 

0

0

 

3

1

Solidago virgaurea

16

14

 

0

0

 

3

3

Stellaria graminea

0

2

 

0

0

 

0

1

Thesium bavarum

1

1

 

0

0

 

1

1

Thymus pulegioides

0

2

 

0

0

 

0

1

Trifolium pratense

1

0

 

0

0

 

1

0

Veronica officinalis

0

1

 

0

0

 

0

1

Viola hirta

8

16

 

0

0

 

4

3

unknown

0

2

 

0

0

 

0

2

                 

all species

83

131

 

5

7

 

.

.


(c) San Giorgio

Species

Sum

 

Median

 

Frequency

 

1998

1999

 

1998

1999

 

1998

1999

                 

Briza media

0

1

 

0

0

 

0

1

Bromus erectus

1

0

 

0

0

 

1

0

Carex montana

3

2

 

0

0

 

2

2

Centaurea bracteata

3

0

 

0

0

 

2

0

Centaurea nigrescens

0

2

 

0

0

 

0

1

Danthonia decumbens

2

37

 

0

3.5

 

2

8

Erica carnea

0

1

 

0

0

 

0

1

Genista sp.

2

0

 

0

0

 

2

0

Globularia punctata

1

0

 

0

0

 

1

0

Helianthemum nummularium

1

2

 

0

0

 

1

2

Hippocrepis comosa

0

1

 

0

0

 

0

1

Linum catharticum

6

5

 

0

0

 

4

3

Lotus corniculatus

3

0

 

0

0

 

3

0

Molinia arundinacea

0

1

 

0

0

 

0

1

Peucedanum cervaria

0

1

 

0

0

 

0

1

Polygala chamaedrys

4

2

 

0

0

 

3

1

Polygala pedemontana

35

25

 

3

2

 

9

8

Potentilla alba

7

21

 

0

1.5

 

4

6

Potentilla erecta

10

18

 

1

1

 

6

7

Prunella grandiflora

0

1

 

0

0

 

0

1

Sanguisorba minor

0

2

 

0

0

 

0

2

Viola hirta

4

1

 

0

0

 

3

1

unknown

1

1

 

0

0

 

1

1

                 

all species

83

124

 

8.5

11.5

 

.

.



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