Ecological Archives E093-087-A2

Anthony Joern, Tony Provin, and Spencer T. Behmer. 2012. Not just the usual suspects: Insect herbivore populations and communities are associated with multiple plant nutrients. Ecology 93:1002–1015.

Appendix B (Table B1). Relative abundances and densities (#/m2) of grasshopper feeding guilds by sites.  Species diversity is indicated as species richness (S) or Fisher's α (Magurran 1988).

Site All groups
per site:
total
density
Grass-feeders Forb-feeders Mixed-feeders All taxa for all
feeding groups per
site: species diversity
Rel.
abund.
Density Rel.
abund.
Density Rel.
abund.
Density S Fisher's α
ARTH1 7.625 0.737 5.62 0.200 1.53 0.063 0.48 12 2.84
ARTH2 12.5 0.743 9.30 0.189 2.36 0.068 0.85 12 2.4
ARTH3 5.5 0.723 3.97 0.200 1.10 0.077 0.43 13 3.38
ARTH4 7.125 0.724 5.16 0.276 1.97 0.00 0.00 7 1.59
ARTH5 12.375 0.095 1.18 0.429 5.30 0.476 5.89 13 3.06
DIST1 21.5 0.293 6.30 0.374 8.05 0.333 7.15 16 3.28
DIST3 14.375 0.715 10.27 0.158 2.27 0.127 1.83 15 3.16
AP1 3.625 0.471 1.71 0.437 1.58 0.092 0.33 10 2.6
AP2 8.0 0.540 4.32 0.167 1.33 0.333 2.66 11 3.61
AP3 11.25 0.463 5.21 0.472 5.31 0.065 0.73 17 3.72
AP4 3.0 0.619 1.86 0.286 0.86 0.095 0.29 7 2.4
CPBS1 4.0 0.984 3.94 0.008 0.03 0.008 0.03 12 3.26
CPBS2 8.0 0.686 5.49 0.248 1.98 0.066 0.53 13 3
CPBS3 5.25 0.884 4.64 0.098 0.51 0.018 0.09 11 2.42
CPBS4 1.25 0.842 1.05 0.053 0.07 0.105 0.13 10 3.08
CPBS5 2.25 0.263 0.59 0.579 1.30 0.158 0.36 6 1.69

Literature Cited

Magurran, A. E. 1988. Ecological Diversity and Its Measurement. Princeton University Press, Princeton, NJ.


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