Diversity-Productivity Relationship in the Northeastern Tamaulipan Thornscrub Forest of Mexico
Table 3
Correlation matrices for early and late successional stages between productivity, diversity, and environmental variables in Tamaulipan thorn scrub forests of northeastern Mexico.
(a)
Den
N
NPP
Text
OM
CC
Den
0.27
N
0.48
0.07
0.07
0.77
NPP
0.35
0.46
0.20
0.76
0.08
Text
0.14
0.11
0.65
0.61
0.02
0.71
0.00
OM
0.46
0.43
0.77
0.08
0.10
0.30
0.00
CC
0.46
0.43
1.00
0.77
0.08
0.10
0.30
0.00
0.00
CN
0.36
0.37
0.64
0.64
0.15
0.18
0.18
0.00
0.00
0.00
0.00
(b)
Den
N
NPP
Text
OM
CC
Den
0.62
0.01
N
0.26
0.33
NPP
0.29
0.01
0.11
0.30
Text
0.11
0.63
0.00
0.33
0.71
0.00
OM
0.24
0.05
0.43
0.38
0.83
0.10
0.08
0.00
CC
0.24
0.05
0.43
1.00
0.39
0.84
0.10
0.08
0.00
0.00
CN
0.55
0.34
0.39
0.64
0.64
0.03
0.21
0.15
0.00
0.00
0.00
0.00
: species richness; Den: density (number of individuals per hectare); N: soil nitrogen content; NPP: productivity; Text: texture; OM: soil organic matter content; CC: soil carbon content; CN: C/N ratio.
