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Protocols

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64 protocols

analytical

Nearest neighbor host detection analysis (Orobanchaceae)

Plant species composition within 15cm of Castilleja individuals is compared to random background vegetation to statistically identify overrepresented taxa as potential hosts. This provides an indirect...

spatial association2 papersmeasuring tape or calipers, data sheets
laboratory

Plant specimen collection and identification

Pressing and identification of plant voucher specimens using standard botanical keys and herbarium references.

taxonomic identification2 paperswooden press, newspaper...
measurement

Riparian willow structural complexity assessment (Parulidae)

Combined vertical (Robel pole) and horizontal (line intercept) measurements to quantify willow habitat structural complexity including height diversity, average height, patchiness, frequency and cover...

vegetation structure2 papersmodified Robel pole, 3x200-cm PVC pipe marked at 0.5 m intervals...
analytical

Shannon Diversity Index

Calculation of Shannon diversity index (ln type) and Simpson dominance index (1-D) from species count data using online biodiversity calculator. Standard ecological diversity metrics for comparing com...

diversity metrics2 papersOnline biodiversity calculator
sampling

Successional stage soil sampling across landslide chronosequence

Systematic sampling of soil from different plant successional stages within a landslide area to compare soil properties across a chronosequence. Uses stratified random sampling within defined communit...

soil chemistry2 papersmeasuring tape or quadrant frames, 2 centimeter diameter cylinder
sampling

Systematic grid mapping of sagebrush populations (Asteraceae)

Complete census of sagebrush individuals within systematic 16m × 16m grids divided into 1m² cells, with measurement of plant dimensions for size estimation.

vegetation mapping2 paperscolored flags, measuring equipment
computational

pavo visual modeling

Conversion of reflectance spectra into bee and bird visual spaces using established photoreceptor sensitivity models. Uses color hexagon model for bees and receptor-noise limited model for birds to ca...

visual modeling2 papersR statistical software, pavo package
samplingstandardized

percent cover estimation

Long-term monitoring of tundra plant communities using standardized sampling within permanently marked study areas, employing various abundance quantification methods including point frame hits, visua...

vegetation monitoring2 papersPoint frames, visual estimation methods...
analytical

IUCN Red List Area of Occupancy calculation

Calculation of species area of occupancy (AOO) using filtered GBIF occurrence records and standardized grid-based methods following IUCN guidelines for conservation assessment.

biogeographic analysis1 paperR software, red package...
analytical

LC-MS plant metabolomics (Poaceae)

Extraction of plant metabolites using methanol/acetonitrile/water solvent followed by liquid chromatography-mass spectrometry analysis. Characterizes plant metabolomic profiles for correlation with fu...

metabolomics1 paperHPLC grade solvents, Synergi 2.5 μm reverse-phase Hydro-RP column...
computational

Multi-model soil carbon simulation

Comparative simulation study using five different soil organic carbon models (DAYCENT, CORPSE, MIMICS, MEND, RESOM) to project responses to warming and litter addition manipulations. Models were run u...

biogeochemical modeling1 paperFive different soil carbon models: DAYCENT, CORPSE, MIMICS, MEND, RESOM
sampling

Rolatape transect gopher disturbance survey

Systematic survey of pocket gopher soil disturbances (eskers, mounds) along standardized transects using rolatape measuring wheels with perpendicular PVC pipe to standardize observation width. Each di...

mammal sign survey1 paperPrecimeter 305 rolatape, Rolatape Measuring Wheels 2014...
analytical

GIS polygon digitization

Using ArcGIS to digitize habitat polygons and generate random sampling points within appropriate community types.

0 papers
analytical

Length-mass relationship conversion

Estimation of invertebrate biomass using established taxon-specific length-mass relationships and scaling to aerial measures.

0 papers