Protocols

A large-scale reciprocal transplant experiment across five elevational gardens with factorial snow and temperature manipulations to test local adaptation and evolutionary rescue potential under climat...

Choice feeding trials where individual grasshoppers are offered leaves from different plant treatments to measure relative herbivory rates. Herbivory is quantified by measuring leaf area consumed usin...

Controlled choice experiments measuring butterfly oviposition preference between plant species using matched plant materials in screen cages. Preference quantified as proportion of eggs laid on test p...

Weekly monitoring of plant phenology, morphological traits, and density across an elevational gradient to assess phenotypic plasticity in response to environmental conditions. Uses standardized phenol...

Greenhouse factorial experiment manipulating water availability (3 levels) and nutrient supply (2 levels) to test resource limitation effects on fitness components. Plants grown from field-collected s...

Genomic sequencing and demographic modeling using GADMA2 to estimate historical gene flow patterns and migration rates between populations across elevational gradients.

Extraction and quantification of desulfated glucosinolates from plant leaves using high-performance liquid chromatography with diode array and charged aerosol detection. Follows established desulfatio...

Standard protocol for measuring leaf traits by scanning fresh leaves, counting trichomes using ImageJ, then drying and weighing leaves to calculate specific leaf area. Uses ImageJ software for digital...

Daily monitoring of individual female butterflies including artificial feeding with sucrose solution and daily egg collection. Measures lifetime reproductive output and adult lifespan under controlled...

DNA extraction, tagmentation-based library preparation, and Illumina sequencing to generate whole-genome sequence data from butterfly specimens. Modified DNeasy protocol followed by Tn5 tagmentation a...

Systematic assessment of flower color variation across environmental gradients using standardized color categories and plot-based sampling. Combines phenotypic scoring with environmental variable meas...

Plant biomass consumption by herbivores is quantified using before-and-after digital photographs with standardized reference objects. Image analysis software calculates the difference in plant materia...

Construction of Integral Projection Models using vital rate data to project population persistence under different climate scenarios and estimate stochastic population growth rates.

Time-calibrated phylogenetic analysis using multiple genes and both maximum likelihood and Bayesian approaches to estimate evolutionary relationships and timing of trait evolution.

Standardized greenhouse cultivation of field-collected plant accessions under controlled temperature, light, and nutrition regimes for phenotype characterization.

CO2 emission measurement using flow-through respirometry to quantify resting metabolic rate and flight metabolic capacity in individual butterflies. Includes forced flight trials with chamber agitatio...

Standardized measurement of PAR using quantum light sensors during midday cloudless conditions to quantify light environment across study sites.

Pre-treatment of bittercress plants with jasmonic acid to simulate herbivore-induced plant defenses, followed by controlled bacterial inoculation to test effects on bacterial growth.

Acrylic imprints of leaf surfaces are made on glass slides and analyzed under compound microscope to count stomata and measure their diameters.

Sanger sequencing of BCMA3 alleles from natural accessions combined with Nanopore long-read genome assembly to identify structural genetic variants affecting glucosinolate biosynthesis.

Statistical analysis of flower constancy using Bateman's index and modified Cindex with randomization tests to determine whether butterflies exhibit constant foraging behavior.

Conditional Neutrality-Antagonistic Pleiotropy analysis estimates realized selection coefficients and uses permutation tests to identify genome-wide patterns of fitness trade-offs across environments ...

Chromosome-specific BAC contigs of Arabidopsis thaliana were used as painting probes to analyze mitotic and meiotic chromosomes of C. cordifolia. Fluorescent signals were detected and analyzed to dete...

Hand-pollination experiment comparing fitness of selfed vs. outcrossed offspring by controlling pollination source and measuring resulting fruit characteristics. Uses reciprocal crosses between geneti...

Canopy cover measurement using densitometer to classify habitats as sun (5% shade), deep shade (95% shade), or ecotonal (5-95% shade) environments.

A factorial field experiment manipulating herbivore abundance and water availability using cages with controlled grasshopper access and supplemental watering or rain-out shelters. Plants from multiple...

Systematic field survey of natural herbivore damage patterns across different leaf positions on host plants. Quantifies within-host foraging preferences in natural populations.

Comprehensive measurement of multiple fitness components including survival, reproductive success, fecundity, and growth rates to assess life history trade-offs under resource stress.

Seedlings were grown under different light quality treatments to measure phenotypic plasticity in response to shade cues, specifically changes in red to far-red light ratios that indicate neighboring ...

A controlled feeding experiment where individual first instar larvae are offered different plant species and their gut content accumulation is monitored over time through categorical and quantitative ...

Oxford Nanopore long-read sequencing followed by assembly using both FLYE and NECAT assemblers, with iterative polishing using Racon and Medaka, then merging assemblies using Quickmerge and HaploMerge...

Multi-environment QTL analysis using recombinant inbred lines tested across vernalization, photoperiod and temperature treatments to identify genomic regions controlling flowering time. Combines contr...

Common garden experiments using recombinant inbred lines to partition genetic and environmental contributions to phenotypic variation. RILs are planted in controlled environments to estimate heritabil...

Systematic sampling of soil fungal communities across vegetation disturbance gradients in subalpine meadows using replicated plot design with grid-based soil core collection.

Illumina GAIIx RNA sequencing of larval samples from different plant treatments followed by differential expression analysis to identify genes responsive to plant chemical defenses.

Systematic walking surveys through grasshopper habitat to count and score individuals for wing color morphs (orange vs yellow) across multiple populations and years. Researchers targeted 100 individua...

Multi-generation breeding program with controlled matings to estimate heritability of preference traits using pedigree-based models accounting for ZW sex determination system.

Daily forced flight protocol involving 3 × 4 minute flight bouts with rest periods, stimulated by gentle brushing, to experimentally increase energy expenditure in butterflies. Control group remains i...

Controlled food deprivation during larval development by reducing feeding frequency to half that of controls, creating 3-4 periods of 24h food absence. Used to simulate natural resource limitation dur...

Estimation of genetic parameters including heritability and genetic variance-covariance matrices using generalized linear mixed models with Bayesian MCMC methods.

Used phylogenetic generalized least squares (PGLS) regression and phylogenetic ANOVA to test relationships between acoustic call frequencies, body size, and habitat while controlling for evolutionary ...

Custom-built RFID system using paired antenna cards and microSD data logging to continuously track individual bee movements in and out of nest boxes. System records timestamps for each entrance and ex...

454 sequencing to characterize genetic diversity at the DRB Class II locus in montane voles.

Controlled experiment where subjects are not given choices, used to test responses under specific conditions without alternatives.

Simulations to model how fine-grained distribution of non-native resources affects native consumer population dynamics.