Data_Sesin_etal_BiolInvasions_2022

These files are related to the publication "Legacies of invasive plant management: effects of leaching from glyphosate-treated and untreated plants on germination and early growth of native macrophytes" in the journal Biological Invasions (DOI: 10.1007/s10530-022-02794-7).

There are a total of 8 files which are described below:

DATA FILES

AmmanniaData2020Fall.csv

Contains the following columns:

Replicate = replicate (Petri dish)

Day = assessment day

Total_seeds = number of total seeds

Germinated = number of germinated seeds

Sprouted = number of sprouted seeds

PGerminated = proportion of germinated seeds

Psprouted = proportion of sprouted seeds

Plant = plant from which the leachate was made; none means just tap water

Treatment = C (tap water control); WT (water-sprayed Typha); ST (5%-glyphosate-sprayed Typha); WP (water-sprayed Phragmites); SP (5%-glyphosate-sprayed Phragmites)

Concentration = applied glyphosate concentration (0: tap water; 5: 5%; 8: 8%)

Experiment = either field or garden material

VariabilityAssessment.csv

Contains the following columns:

Seedling = number of the seedling

Emily = seedling length measurements (cm) made by Emily

Varun = seedling length measurements (cm) made by Varun

Verena = seedling length measurements (cm) made by Verena

TyphaData2020Fall-Germination.csv

Contains the following columns:

Treatment = C (tap water control); WT (water-sprayed Typha); ST (5%-glyphosate-sprayed Typha); WP (water-sprayed Phragmites); SP (5%-glyphosate-sprayed Phragmites)

Replicate = replicate (Petri dish)

Day = assessment day

Total_seeds = number of total seeds

Germinated = number of germinated seeds

PGerminated = proportion of germinated seeds

Plant = plant from which the leachate was made; none means just tap water

Concentration = applied glyphosate concentration (0: tap water; 5: 5%; 8: 8%)

Experiment = either field or garden material

TyphaData2020Fall-Length.csv

Contains the following columns:

Treatment = C (tap water control); WT (water-sprayed Typha); ST (5%-glyphosate-sprayed Typha); WP (water-sprayed Phragmites); SP (5%-glyphosate-sprayed Phragmites)

Replicate = replicate (Petri dish)

Day = assessment day

Seed number = number of the seed within a replicate

Shoot length = length of the seedling shoot part (cm)

Root length = length of the seedling root part (cm)

Total_length_cm = length of the seedling (cm)

Plant = plant from which the leachate was made; none means just tap water

Concentration = applied glyphosate concentration (0: tap water; 5: 5%; 8: 8%)

Experiment = either field or garden material

TyphaData2020Fall-ChangesAverageLength.csv

Contains the following columns:

Days = day intervals

Change_ave_length = rate of change in average seedling length

Treatment = C (tap water control); WT (water-sprayed Typha); ST (5%-glyphosate-sprayed Typha); WP (water-sprayed Phragmites); SP (5%-glyphosate-sprayed Phragmites)

Plant = plant from which the leachate was made; none means just tap water

Concentration = applied glyphosate concentration (0: tap water; 5: 5%; 8: 8%)

Experiment = either field or garden material

Leachate_data.csv

Contains the following columns:

Treatment = glyphosate treatment (5: 5%; 8: 8%)

Replicate = replicate unit

Sampling_Time = sampling time after submerging of plant litter (days)

Time = sampling time after submerging of plant litter (different format)

ppb = concentration of the substance in water

Substance = Glyphosate or AMPA

ugSubs_gLitter = Total amount of substance leached out of plant litter (µg/g)

CODE FILES

Leaching_Code.R

R code for the leaching experiments

Germination_Code_Biol-Invasions-Journal.R

R code for the germination experiments