Ecological Archives A017-034-A2

Fritz Gerhardt and Sharon K. Collinge. 2007. Abiotic constraints eclipse biotic resistance in determining invasibility along experimental vernal pool gradients. Ecological Applications 17:922–933.

Appendix B. Significant relationships between growth of Centaurea solstitialis and Lolium multiflorum and neighbor identity.

TABLE B1. Significant relationships between growth of Centaurea solstitialis and Lolium multiflorum and neighbor identity in a greenhouse experiment examining abiotic and biotic resistance to plant invasions. Values are means (+1 SEM).

Neighbor identity Total mass (g / pot)
1-species treatments: Centaurea solstitialis
Deschampsia (N = 1) 2.43±0.00
Layia (N = 6) 0.75±0.22
Lasthenia (N = 4) 0.30±0.12
2-species treatments: Lolium multiflorum
Deschampsia-Layia (N = 7) 1.71±0.63
Deschampsia-Lasthenia (N = 12) 2.27±0.45
Layia-Lasthenia (N = 22) 3.72±0.47


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