Mutz, J., J.M. Heiling, M. Paniagua-Montoya, S.L. Halpern, B.D. Inouye, and N. Underwood. 2022.
Some neighbors are better than others: variation in associational effects among plants in an old field community

Data files and descriptions.
(1) "2022_AE-focal-damage-data.csv"
	Damage to each of six focal S. carolinense plants per plot during July and August 2019.
(2) "2022_AE-neighbor-attributes-data.csv"
	Total biomass of each neighbor species in a plot, averaged across plots, during July and August 2019.
(3) "2022_AE-focal-trait-data.csv"
	Focal plant SLA, trichome density, and leaf toughness for focal plants;
	collected at the end of the field experiment in August 2019.

Variable names and descriptions.
(1) "2022_AE-focal-damage-data.csv"
date: Date of observation (DD-Month-YY).
census.period: Whether the observation occurred during the July census ('a') or the August census ('b').
block: Spatial block ID (1-6).
plot: Plot ID (1-72).
sp: Species ID (see abbreviations below).
id: Unique ID for each plant individual, for focal Solanum carolinense only (1-432).
geno: Genotype of focal plant (2018, 306, 4, 5, 505, houle).
neighbor: Neighbor species ID (see abbreviations below).
stems: Number of stems.
stem.length: Total length of main stem and all branches > 4 cm (cm).
damage.percent: Estimated percent leaf area removed, averaged across 10 leaves for each focal plant.
total.lj: Number of Leptinotarsa juncta eggs and larvae on the focal plant.
alive: Whether the plant was alive or dead (1/0) at the time of the observation.
tot.neighbor.biomass: Total biomass of neighbor plants at the plot level (summed across the nine neighbor plants per plot, in cm or cubic cm).
tot.soca.biomass: Total biomass of Solanum carolinense at the plot level (summed across the six focal plants for diculture plots or across all 15 plants in the monoculture plots).

(2) "2022_AE-neighbor-attributes-data.csv"
census.period: Whether the observation occurred during the July census ('a') or the August census ('b').
neighbor: Neighbor species ID (see abbreviations below).
total.biomass.mean: Total biomass of each neighbor species in a plot, averaged across plots with that neighbor species (cm or cubic cm).

(3) "2022_AE-focal-trait-data.csv"
block: Spatial block ID (1-6).
plot: Plot ID (1-72).
sp: Species ID (see abbreviations below).
id: Unique ID for each plant individual, for focal Solanum carolinense only (1-432).
geno: Genotype of focal plant (2018, 306, 4, 5, 505, houle).
neighbor: Neighbor species ID (see abbreviations below).
leaf_mass: Dry mass of leaf (g).
leaf_area: Area of leaf (square cm).
grams_sand: Mass of sand required to penetrate the leaf with a nail (g).
SLA: Specific leaf area (square cm / g).
trichome_adj: Number of trichomes per 12.5 square mm of leaf.
Aug_stem.length: Total length of main stem and all branches > 4 cm (cm) at the time of the August 2019 census.
Aug_tot.soca.biomass: Total biomass of Solanum carolinense at the plot level (summed across the six focal plants for diculture plots or across all 15 plants in the monoculture plots),
	at the time of the August 2019 census.
Aug_tot.neighbor.biomass: Total biomass of neighbor plants at the plot level (summed across the nine neighbor plants per plot, in cm or cubic cm),
	at the time of the August 2019 census.
Aug_dam.sqrt: Estimated percent leaf area removed, averaged across 10 leaves for each focal plant (square root transformed),
	at the time of the August 2019 census.
Aug_total.lj: Number of Leptinotarsa juncta eggs and larvae on the focal plant at the time of the August 2019 census.


Species abbreviations.
soca: Solanum carolinense
bida: Bidens alba
coma: Commelina communis
cyro: Cyperus rotundus
melo: Solanum melogena
oeno: Oenothera laciniata
pano: Paspalum notatum
sena: Senna obtusifolia
sida: Sida spinosa
soam: Solanum americanum
soda: Solidago altissima
verb: Verbena brasiliensis