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Treehopper density manipulation on sunflowers (Asteraceae)
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Knowledge graph centered on Treehopper density manipulation on sunflowers (Asteraceae) with 16 nodes and 69 connections. Top connected: Ligusticum porteri, Artemisia, interspecific competition, trophic cascade, Ursus americanus.
Description
Experimental manipulation of treehopper nymph densities on individual plants using controlled additions of 0, 20, or 80 individuals per plant, followed by weekly monitoring of herbivore and ant abundances.
Typical Equipment
- paint brush
- data recording sheets
Output Measurements
- cumulative treehopper abundance
- cumulative thatch ant abundance
- plant water content
- plant dry biomass
- cover change