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Protocols

All (1474)Explore Protocol Graph

23 protocols

experimentalstandardized

Experimental predator manipulation with colony establishment

Controlled experiment manipulating predator presence by establishing artificial aphid colonies, protecting them from natural predators, then adding lygus bugs to treatment plants. Includes ant bridge ...

predation experiment29 papersrandom number generator, paint brush...
samplingstandardized

pitfall trapping (Formicidae)

Standardized 2-hour baiting experiments using 5 different resource types arranged in pentagonal plots to sample ant communities and assess dominance patterns. Records ant abundance and identity at reg...

community sampling29 papersplastic discs (6 cm diameter), canned tuna in water...
experimentalstandardized

Ant exclusion experiment on aphid colonies

Experimental manipulation using physical barriers to exclude ants from aphid colonies while maintaining control colonies with ant access. Uses paired treatment design on same plants to test effects of...

mutualism manipulation14 papersTanglefoot Company Grand Rapids Michigan, parafilm SPI Supplies West Chester Pennsylvania...
measurementstandardized

jar method

Standardized wet sieving method using Yoder device to determine soil aggregate size distributions. Measures water-stable aggregates across multiple size classes to assess soil structure.

physical5 papersDickson apparatus, Yoder device...
experimental

Parasitoid wasp controlled exposure on bagged flowers (Asteraceae)

Flowers are bagged to prevent natural parasitism, then exposed to controlled introductions of parasitoid wasps or ambient parasitoid activity, followed by assessment of parasitism effects on seed pred...

behavioral manipulation4 papersGPS, bags...
experimental

Ant chemical associative learning field assay (Formicidae)

A two-phase field protocol using training baits scented with plant chemicals followed by two-choice tests to assess whether ants form associative memories linking plant odors to carbohydrate rewards. ...

behavioral conditioning3 papersbamboo sticks, sugar water baits...
laboratory

Gravimetric soil moisture determination

Standardized method using funnel, filter paper and drainage to measure maximum water holding capacity of soil samples. Involves saturating soil, draining for set time, then oven-drying to calculate wa...

soil analysis3 papersBUNN brand coffee filters, 100 mL conical funnel...
measurement

PAR measurement

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

light environment3 papersLightScout Light Sensor Reader, Quantum Light Sensor (Spectrum Technologies)
experimentalstandardized

Snow melt manipulation experiment (Aphididae)

Experimental advancement of snow melt timing using shade cloth application to test effects on host plant phenology and aphid-plant interactions. Combined with temperature manipulation using open-top w...

climate manipulation3 papersPVC poles, EasyShade 50% Black Bulk Shade Cloth UV Resistant...
analytical

nonmetric multidimensional scaling (Plantae)

PERMANOVA testing of volatile composition differences across species and years, with NMDS visualization of chemical dissimilarity patterns.

multivariate statistics3 papersR-Studio, Vegan Package
analytical

AIC model selection (Plantae)

Multiple candidate models incorporating different combinations of climate predictors were fitted and ranked using Akaike Information Criterion to select optimal models for demographic functions.

statistical modeling2 papersStatistical modeling software
observational

Ant identification and behavioral observation on sunflowers (Asteraceae)

Field-based study of ant interactions with pollinators on Helianthella quinquenervis, involving ant identification and behavioral observations. Protocol development included ant keying skills and hone...

behavioral ecology2 papersidentification keys, honey...
experimental

Colony fragmentation and diet manipulation of Formica podzolica (Formicidae)

Wild ant colonies were collected and split into paired fragments, then maintained on controlled diets (carbohydrate vs protein-rich) to test effects of macronutrient balance on behavior. Colony fragme...

behavioral manipulation2 papers15-litre plastic containers, 19-litre plastic buckets...
analytical

Dichotomous key construction (Onagraceae)

A systematic approach to creating identification keys by compiling species lists from authoritative sources, gathering morphological descriptions, and structuring binary choices that eliminate possibi...

taxonomic identification2 papersVascular Plants of the Gothic Area field guide, The Jepson Online Interchange website...
analyticalstandardized

Honeydew collection and chemical analysis

Collection of aphid honeydew on aluminum foil substrates followed by LC-MS/MS analysis to quantify sugar and amino acid composition as indicators of plant quality and ant-aphid mutualism benefits.

biochemical2 papersaluminum foil squares, stereoscope...
sampling

Multi-year arthropod community surveys on dioecious plants

Exhaustive visual surveys of arthropod abundance on randomly selected male and female plants conducted across multiple years to quantify sex-biased community structure.

community monitoring2 papersvisual identification, visual counting
analytical

Plant biomass allocation analysis (Valerianaceae)

Calculation and statistical analysis of plant biomass allocation between vegetative and reproductive tissues using arcsin transformations and three-way ANOVA.

resource allocation assessment2 papersanalytical tools, scales...
observational

Trophic interaction field observation

Systematic field observation of trophic interactions between organisms, primarily plants and insects, with rotating temporal sampling across multiple sites to record feeding relationships and interact...

behavioral observation2 papers
computational

Climate wetness index calculation

Calculation of site-specific wetness indices using mean annual precipitation and temperature data to characterize local climate conditions for experimental sites.

environmental characterization1 paperClimate databases, GIS software
observational

Liguisticum porteri weekly census monitoring (Animalia)

Systematic weekly monitoring of plant phenology, insect abundance, and herbivore impacts on Osha plants along established transects. Includes detailed counts of aphids, ants, and other insects on flow...

demographic and ecological monitoring1 papermeasuring tape, marking materials...
analytical

stable isotope analysis

Carbon and nitrogen stable isotope analysis of ant tissues to determine trophic position and dietary composition. Involves specimen preparation, drying, grinding, and mass spectrometry analysis.

molecular1 paperdrying oven, grinding equipment...
analytical

Dominance scoring (Formicidae)

Three dominance scores calculated for each species at each site where it occurred to assess competitive hierarchies.

0 papers
computational

Global Biotic Interactions data integration

Integration process combining datasets from natural history collections, community science observations, and literature to compile bee interaction data.

0 papers