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Protocols

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10 protocols

laboratorystandardized

Starch gel electrophoresis (Polemoniaceae)

Standard enzyme electrophoresis technique used to determine genotypes at the 6PGD-2 locus for parentage assignment. Distinguishes between homozygous medium (MM) and homozygous slow (SS) allelic varian...

molecular6 papersstarch-gel electrophoresis equipment
analyticalstandardized

Microsatellite genotyping (Polemoniaceae)

PCR amplification of microsatellite loci followed by capillary electrophoresis for allele sizing and polymorphism assessment.

molecular3 papersEppendorf Mastercycler thermocyclers, ABI 3730xl sequencer...
analyticalstandardized

Null model permutation testing

Generation of null models that maintain interaction totals per species while randomizing interaction patterns, followed by permutation tests to assess significance of observed network metrics relative...

network analysis3 paperscomputer, statistical software...
samplingstandardized

Hybrid zone cline analysis over elevational gradient (Polemoniaceae)

Long-term monitoring of plant morphological traits across permanent transects spanning a hybrid zone between two Ipomopsis species along an elevational gradient, with cline fitting to quantify trait g...

demographic monitoring2 paperspermanent flags, GPS...
observational

Ordinal rust infection severity assessment

Weekly assessment of fungal rust infection using a 6-class ordinal scale from absent (0) to 75-100% infected (5), with infection location recorded.

disease monitoring2 papershand sanitizer
samplingstandardized

Transect-based seed sampling for plant population genetics (Ranunculaceae)

Systematic collection of seeds from plants along established transects for genetic analysis. Seeds collected within defined distances of sampling points and pooled by maternal plant.

population genetics sampling2 papersmeasuring equipment for transect layout, measuring tape...
analytical

negative binomial regression

Statistical analysis using zero-inflated negative binomial generalized linear mixed models to account for excess zeros in ecological count data, specifically pollen grain counts.

statistical modeling2 papersR software, pscl package...
measurement

reflectance-based chlorophyll index (Polemoniaceae)

Non-destructive estimation of leaf chlorophyll concentration using reflectance spectroscopy and vegetation indices.

physiological2 papersreflectance spectrometer
computational

Evolutionary rescue modeling with environmental stochasticity

Development of deterministic and stochastic population models incorporating empirical estimates of selection, heritability, and phenotypic plasticity to project population persistence under climate ch...

population modeling1 paperR software
experimental

Split-plot experimental design

Replicated split-plot design with snowmelt manipulated at plot level and precipitation manipulated at subplot level.

0 papers