Ecological Archives M080-019-A3

Ellen D. Currano, Conrad C. Labandeira, and Peter Wilf. 2010. Fossil insect folivory tracks paleoclimate for six million years. Ecological Monographs 80:547–567.

Appendix C. Leaf mass per area estimates.

 

No. leaves in census

 

No. petiole width mmts or No. species*

 

MA (g/m2)

95% PI bottom

95% PI top

E5 (EECO, 55.7 MA)

 

 

 

 

 

 

 

Alnus sp.

692

15

64.3

79.6

52.0

Allophylus flexifolia

30

2

67.6

120.2

38.1

"Dombeya" novi-mundi

265

3

75.6

121.0

47.3

Lauraceae sp. WW061

62

3

70.4

112.6

44.0

Populus wyomingiana

127

3

75.8

121.2

47.4

"Platycarya" castaneopsis

441

3

115.4

184.7

72.1

Dicot sp. WW052

107

3

82.2

131.6

51.4

Site mean, only species with n>1

 

 

7*

 

81.4

70.0

94.6

Site mean, all specimens

 

 

9*

 

81.4

71.0

93.4

E4 (53.4 MA)

Fabaceae sp. WW040

155

19

107.7

130.2

89.1

Fabaceae sp. WW007

42

3

78.1

125.0

48.8

Macginitiea gracilis

437

6

68.3

95.3

49.0

Site mean, only species with n>1

 

 

3*

 

88.1

71.2

108.9

Site mean, all specimens

 

 

5*

 

82.8

69.8

98.3

E3 (54.2 MA)

Averrhoites affinis

128

6

123.1

88.2

172.0

Site mean, only species with n>1

 

 

1*

 

129.5

90.7

184.8

Site mean, all specimens

 

 

5*

 

100.5

83.4

121.1

E2 (55.2 MA)

Alnus sp.

178

5

72.0

50.0

103.6

Averrhoites affinis

820

4

133.0

88.4

200.1

Site mean, only species with n>1

 

 

3*

 

107.5

87.0

132.9

Site mean, all specimens

 

 

4*

 

98.9

82.1

119.2

E1 (PETM, 55.8 MA)

Fabaceae sp. WW001

480

11

156.5

121.8

201.0

Fabaceae sp. WW002

20

3

104.5

65.3

167.1

Fabaceae sp. WW007

154

8

84.6

63.3

112.9

cf. Rhus

5

2

95.9

54.0

170.5

Dicot sp. WW004

89

2

52.8

29.7

93.9

Dicot sp. WW005

65

2

75.4

42.4

134.0

Dicot sp. WW006

82

6

60.6

43.2

84.8

Site mean, only species with n>1

 

 

8*

 

100.9

87.6

116.2

Site mean, all specimens

 

 

12*

 

103.0

91.2

116.4

P4 (55.9 MA)

Cercidiphyllum genetrix

139

6

66.3

47.7

92.3

Fabaceae sp. FU750

139

6

127.8

91.5

178.6

Macginitiea gracilis

250

2

62.0

34.9

110.3

Platanus raynoldsi

133

2

77.7

43.7

138.1

Site mean, only species with n>1

 

 

4*

 

91.0

75.5

109.7

Site mean, all specimens

 

 

7*

 

87.5

75.4

101.5

 

 

 

 

 

 

 

 

P3 (56.4 MA)

Averrhoites affinis

179

9

122.1

92.8

160.5

Betulaceae sp. FU741

142

4

66.0

43.9

99.3

Davidia antiqua

64

2

80.5

45.3

143.1

Zizyphoides flabella

257

5

76.3

53.0

109.8

Platanus raynoldsi

119

2

88.8

50.0

157.9

Site mean, only species with n>1

 

 

5*

 

91.2

77.0

108.1

Site mean, all specimens

 

 

9*

 

80.5

70.2

92.4

P2 (57.5 MA)

"Ampelopsis" acerifolia

139

2

90.0

50.6

159.9

Browniea serrata

81

2

60.9

34.3

108.3

Chaetoptelea microphylla

4

2

84.4

47.5

150.1

"Celtis" peracuminata

20

2

90.2

50.8

160.4

Persites argutus

763

11

91.6

71.4

117.3

Zizyphoides flabella

206

6

102.4

73.4

142.9

Site mean, only species with n>1

 

 

6*

 

88.8

75.9

104.1

Site mean, all specimens

 

 

9*

 

91.9

80.3

105.2

P1 (58.9 MA)

Browniea serrata

181

2

74.8

42.1

132.9

Cercidiphyllum genetrix

531

3

93.0

58.1

148.8

Site mean, only species with n>1

 

 

2*

 

85.0

65.8

109.7

Site mean, all specimens

 

 

4*

 

78.5

64.9

94.8

 PI = prediction interval, calculated as in Royer et al. (2007).

* These values represent the number of species averaged to obtain the site mean.

LITERATURE CITED

Royer, D. L., L. Sack, P. Wilf, C. H. Lusk, G. J. Jordan, Ü. Niinemets, I. J. Wright, M. Westoby, B. Cariglino, P. D. Coley, A. D. Cutter, K. R. Johnson, C. C. Labandeira, A. T. Moles, M. B. Palmer, and F. Valladares. 2007. Fossil leaf economics quantified: calibration, Eocene case study, and implications. Paleobiology 33:574–589.


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