Protocols

All (1474)Explore Protocol Graph

225 protocols

samplingstandardized

Multi-year synoptic stream chemistry sampling

Longitudinal grab sampling along Coal Creek mainstem during three critical hydrograph stages (peak flow, falling limb, low flow) across multiple years to characterize spatial and temporal variability ...

water chemistry monitoring2 papersacid-washed 120mL HDPE Nalgene bottles, 0.45-μm Nylon filters
sampling

RMBL Warming Meadow Soil Carbon Protocol (Brassicaceae)

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

soil microbial2 paperscylindrical corer, sieves...
samplingstandardized

Sagebrush arthropod visual encounter surveys

Visual counting method for arthropods on sagebrush plants involving systematic counting of mobile species first (to avoid double-counting) followed by sedentary species. Targets mutualistic and non-mu...

arthropod monitoring2 papers1 m² quadrat frames, counting sheets...
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

Synoptic watershed sampling for DOC export hotspot identification

Spatially distributed sampling campaign conducted during peak hydrologic conditions to identify locations of enhanced dissolved organic carbon export across a watershed transect.

biogeochemical2 paperspre-cleaned glass bottles, DU 800 Spectrophotometer
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
sampling

Tile-based didymo sampling and enumeration

Standardized substrate tiles deployed in stream channels for algae colonization, followed by systematic scraping, filtering, and microscopic enumeration of didymo cells.

benthic algae monitoring2 paperssubstrate tiles 3.81cm × 3.81cm, graduated cylinder...
samplingstandardized

Transect-based matrix composition assessment (Lycaenidae)

Systematic vegetation sampling along parallel transects between sites to quantify matrix composition and calculate proportional cover of different vegetation types.

habitat characterization2 papersmeasuring tape, field recording materials
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...
sampling

YM agar preparation (Nymphalidae)

Method to quantify microbial load on different butterfly body parts by direct plating on agar media. Samples tarsi/proboscis by dragging across plate and thorax by washing technique.

microbial enumeration2 papersYM agar plates, sterile needle-tip forceps...
sampling

camera trapping

Motion-activated camera deployment to detect and monitor presence of snow leopards and other wildlife in remote mountain environments.

wildlife monitoring2 papersmotion-activated camera traps, lithium batteries
sampling

mist net sampling (Trochilidae)

Hummingbirds are captured using a gravity-based drop-net system that releases around a suspended feeder onto a platform when triggered.

live capture2 papersbonnet trap, hummingbird feeder...
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...
sampling

Alpine lake water chemistry sampling

Standardized collection of lake water samples from deepest point using submersible pumps with macrozooplankton exclusion. Includes physical profiling and immediate chemical processing.

water chemistry1 paperbattery-powered submersible pump, YSI model 85 temperature-oxygen probe...
sampling

Amphibian collection and biosecurity protocol

Field collection of salamanders from multiple sites with biosecurity measures including equipment sterilization between sites and controlled acclimation period before experimentation.

wildlife collection1 papercollection containers, 10% bleach solution
sampling

Anatomical male inconstancy flower surveys in dioecious plants (Caprifoliaceae)

Systematic examination of up to 100 flowers per individual male plant to detect and categorize presence of female reproductive structures (inconstant sex expression) based on style height and stigmati...

reproductive morphology assessment1 papermagnification tools, data recording sheets
sampling

Ant nest chronosequence sampling (Formicidae)

Selection of ant nests representing different abandonment times to study legacy effects. Nests categorized as active (2016), recently inactive (2013), and older inactive (2010) to create a temporal gr...

temporal gradient1 paperfield identification of nest activity status
sampling

Automated surface water sampling in floodplains

Continuous automated collection of surface water samples from floodplain water bodies using programmable autosamplers with contamination prevention protocols and sample preservation.

surface water1 paperISCO 6712 autosampler, acid washed bottles
sampling

BOSS microbial community preservation

Biological OsmoSampler System that preserves microbial communities in situ by adding preservative directly to the sample stream during collection. Enables molecular analysis of microbial communities f...

microbial preservation1 paperBOSS system, RNA/DNA Shield preservative
sampling

Bagged flower yeast sampling (Ranunculaceae)

Fine-mesh bags were used to control pollinator access to flower stalks, allowing comparison of yeast densities between virgin and pollinator-exposed flowers. Nectar was extracted using calibrated micr...

nectar collection1 paperfine-mesh bags, bridal veil material...
sampling

Beat-sheet sampling (Cicadellidae)

A standardized method for collecting arthropods from vegetation by beating branches and foliage onto a collection sheet while using an aspirator to capture specimens. Sampling was conducted for exactl...

invertebrate collection1 paperbeat-sheet, aspirator
sampling

Bee gut bacterial isolation and genome sequencing (Orbaceae)

Isolation of pure bacterial cultures from bee gut homogenates followed by whole genome sequencing using Illumina MiSeq and PacBio platforms with subsequent assembly and annotation.

microbial isolation1 paper10 mM MgSO4, heart infusion agar...
sampling

Berlese funnel extraction (Formicidae)

Standard method using heat and light gradients to extract small arthropods from soil samples into preservative solution. Constructed funnels from plastic bottles with 60-watt bulbs for 36-hour extract...

invertebrate extraction1 paper16.9 oz Gatorade bottles, 75% ethyl alcohol...
sampling

Blanket botanical specimen collection (Cyperaceae)

Comprehensive collection of all plant species encountered across study sites to build complete species inventories. Emphasis on collecting every species regardless of abundance.

floristic survey1 paperplant collection materials, voucher specimen supplies...
sampling

Bluegrass niche characterization along moisture gradients (Poaceae)

Field survey method measuring distance to water sources and soil moisture content to characterize ecological niches of grass species. Plants are marked along transects and their microhabitat condition...

habitat measurement1 paperHydroSense meter, soil moisture probes...
sampling

Brown (1974) woody fuel inventory method (Plantae)

Systematic measurement of surface fuels (duff, litter, woody debris) along transects at multiple distances from plot centers using standardized fuel classifications and go/no-go methodology.

fuel load quantification1 paperruler, go/no-go measuring tools...
sampling

Bumble bee honey ethanol quantification (Apidae)

A laboratory protocol for extracting honey samples from captive bumble bee colonies and quantifying ethanol content using enzyme-based assays. Samples are collected over time from maintained colonies ...

chemical sampling1 paper200 μL pipette, 1.5 mL microcentrifuge tubes...
sampling

CDC light trap surveillance

Overnight light trapping using CDC traps with ethylene glycol preservatives to monitor abundance of potential vesicular stomatitis vectors including black flies, sand flies, and biting midges.

arthropod monitoring1 paperCDC light traps, ethylene glycol preservatives
sampling

CTAB DNA extraction (Pinaceae)

Modified CTAB DNA extraction protocol specifically designed to isolate microbial cells from conifer needle surfaces while excluding endophytic microorganisms from internal needle tissues.

phylloplane microbiome1 papersterile razor blades, sterile bags...
sampling

CWD biomass survey with decay class assignment (Pinaceae)

Systematic measurement of all fallen dead wood ≥10 cm diameter with assignment to decay classes based on structural characteristics and decomposition state. Volume calculated using cylinder equations ...

forest inventory1 papersteel tape, calinomet...
sampling

Community-weighted plant foliar nutrient analysis (Nothofagaceae)

Collection and analysis of foliar nitrogen and phosphorus from dominant tree and ground-layer plant species, with community-weighted averages calculated based on species cover to represent plot-level ...

plant nutrient analysis1 paperpole-pruner
sampling

Controlled wildfire soot collection (Salicaceae)

Collection of soot particles from controlled fires using dead plant material in fume hood setup. Various collection surfaces positioned at different heights above fire with air duct directing smoke fl...

atmospheric sampling1 paperfume hood, watch glass...
sampling

Coordinated airborne-ground foliar trait sampling (Salicaceae)

Integrated approach combining NEON AOP imaging spectroscopy with synchronized field collection of foliar samples for laboratory analysis and trait measurement. Designed to enable landscape-scale trait...

coordinated remote sensing and field sampling1 paperGPS units, sample collection bags...
sampling

Creel survey fish sampling and morphometric analysis (Salmonidae)

Fish captured by sport anglers during creel surveys are measured for weight and length, then analyzed using improved weight-length relationships and relative weight calculations to assess fish conditi...

fisheries survey1 papersport fishing gear used by anglers, weighing scale...
sampling

D-frame net benthic sampling (Baetidae)

Random collection of mayfly larvae from stream benthos using standardized D-frame nets, followed by preservation and microscopic examination for internal parasites. Used to compare parasite prevalence...

invertebrate collection1 paperD-frame net with 500μm mesh, 70% ethanol
sampling

Dermal corticosterone sampling (Ambystomatidae)

Non-invasive sampling method using swabs to collect dermal secretions containing corticosterone from amphibian skin for stress hormone analysis. This method was validated for use with axolotls and app...

stress hormone sampling1 paperpowder-free latex gloves, cotton-tipped wooden swab precut to 4 cm...
sampling

Destructive floral insect sampling (Fumariaceae)

Manual removal and dissection of flowers to detect and collect insects present inside flower structures, with specimen preservation for identification.

arthropod collection1 paperplastic vials, 90% ethanol solution
sampling

Dissolved noble gas groundwater sampling

Collection of dissolved noble gases from groundwater wells using copper tubes with down-hole pumps and back-pressure valves to prevent degassing during sample collection.

groundwater geochemistry1 papercopper tubes, down-hole pumps...
sampling

Drill core sulfur speciation profiling

Collection of continuous vertical and horizontal drill cores from shale bedrock to characterize sulfur speciation changes with depth and weathering extent. Combines drilling techniques with subsequent...

geochemical profiling1 papertrack-mounted drill rig, 0.14-m diameter ODEX drilling bit...
sampling

Dynamic cone penetrometer technique

Direct measurement of soil depth using auger drilling to bedrock contact, validated with cone penetrometer resistance profiles. Distinguishes mobile regolith from weathered bedrock layers.

geophysical measurement1 papersoil auger, dynamic cone penetrometer (CPT)...
sampling

Ectoparasite load assessment (Sciuridae)

Regular combing of trapped marmots to count fleas displaced onto white flannel cloth, with counts standardized by body mass.

parasite monitoring1 paperwhite flannel cloth, combing equipment...
sampling

Enclosed population monitoring of European rabbits (Leporidae)

Long-term monitoring of rabbit reproduction in a controlled field enclosure using live-trapping and nest observation. Litter composition determined through hair color analysis and behavioral observati...

demographic monitoring1 paperTomahawk traps made of wood (90 × 30 × 30 cm), opaque boxes...
sampling

Fen shoreline transect monitoring for rare plants (Droseraceae)

Systematic belt transect surveys along wetland shorelines to document occurrence and distribution of target plant species. Transects are established continuously around water body perimeters with stan...

vegetation monitoring1 papermeasuring tapes, cameras for photography...
sampling

Forest edge fungal density transect sampling (Aves)

Systematic transect sampling from forest edge to interior with perpendicular plots to assess fungal infection density in relation to distance from meadow edge. Trees categorized by size class and asse...

field survey1 paperArcGIS
sampling

Functional trait measurements (Asteraceae)

Systematic measurement of plant functional traits (height, SLA, LDMC, dry:wet ratio) in forb species across elevation gradients using standardized plot sampling and laboratory processing. Traits measu...

functional ecology1 papermeasuring devices for plant height, scanner...
sampling

GPS coordinate collection (Limnephilidae)

Hand-held GPS units were used to map study site locations and boundaries at Judd Falls sites.

spatial mapping1 paperhand-held GPS
sampling

Geological field sampling for thermochronology

Collection of rock samples from specific geographic locations in mountainous terrain for subsequent thermochronological analysis. Samples are GPS-located and systematically labeled for tracking throug...

geological1 paperGPS units for location marking, rock sampling tools
sampling

Grassland warming experiment field sampling (Poaceae)

Collection of leaf and root tissues from dominant grass species in established warming experiments during growing season. Samples collected separately by tissue type and combined by species within plo...

field collection1 paperelectric heaters, infrared heaters...
sampling

Hair sample collection from social mammals (Vespertilionidae)

Systematic collection of hair samples from specific body sites of wild and captive mammals, targeting hair bulbs for DNA extraction.

field collection1 papergloved hands, surgical mosquito forceps...
sampling

Haphazard sampling technique for plant individuals (Plantae)

Random sampling method involving throwing a ruler and selecting nearest individual to avoid bias toward most visible plants.

spatial sampling1 paperruler