Concepts

All (847)Explore Concept Graph

847 concepts

measurement

iron oxides

biogeochemistry5 papers
measurement

mass balance

biogeochemistry5 papers
measurement

metabolic rate distribution over individuals

Distribution of metabolic rates over individuals in a community, obtained by summing over abundance

community ecology5 papers
measurement

morphological characteristics

general ecology5 papers
measurement

normalized difference snow index

Spectral band ratio that leverages the fact that snow reflectance is high in visible wavelengths and low in shortwave infrared wavelengths

climate5 papers
measurement

phenomenon time

methodological5 papers
measurement

radar reflectivity (Ze)

climate5 papers
measurement

radiocarbon dating

Measurement of ¹⁴C content to distinguish between modern plant-derived and ancient shale-derived organic carbon sources

biogeochemistry5 papers
measurement

size at maturity

Body size when organisms transition from growth to reproduction, with important consequences for lifetime reproductive success

population ecology5 papers
measurement

social embeddedness

The degree to which an individual is integrated in their group based on the number of independent links to others in the group

population ecology5 papers
measurement

species accumulation curve

Plot showing cumulative number of species discovered as a function of sampling effort, used to assess sampling completeness

community ecology5 papers
measurement

subsurface water storage

The amount of water stored in soil and subsurface compartments that responds dynamically to hydrological inputs and outputs

hydrology5 papers
measurement

synchrony

The degree to which individuals in a population exhibit coordinated timing of nesting activity

population ecology5 papers
measurement

transcriptomics

The study of the complete set of RNA transcripts produced by the genome under specific circumstances

molecular5 papers
measurement

AE

climate4 papers
measurement

LM

general ecology4 papers
measurement

North Atlantic Oscillation

Climatic index reflecting atmospheric pressure differences between Iceland and Azores

climate4 papers
measurement

abundance

population ecology4 papers
measurement

attenuated backscatter coefficient

methodological4 papers
measurement

basal area

population ecology4 papers
measurement

boldness

Individual's reaction to a non-novel, risky situation

population ecology4 papers
measurement

cost

methodological4 papers
measurement

detection probability

methodological4 papers
measurement

distribution

population ecology4 papers
measurement

drag coefficient

climate4 papers
measurement

emergence weight

population ecology4 papers
measurement

environmental tracer concentrations

hydrology4 papers
measurement

epigenetic clock

Age estimator based on DNA methylation levels that uses penalized regression to relate chronological age to methylation levels of individual cytosines

molecular4 papers
measurement

frequency of dividing cells

The proportion of cells undergoing division within a population

methodological4 papers
measurement

herkogamy

population ecology4 papers
measurement

honeydew composition

Sugar composition of plant phloem sap which honeydew is derived from, potentially altered by temperature affecting ant recruitment or tending behavior

community ecology4 papers
measurement

inorganic carbon

biogeochemistry4 papers
measurement

interaction strength

community ecology4 papers
measurement

neophobia

An aversion to novel stimuli, measured as latency to touch the puzzle box from stepping onto the platform

population ecology4 papers
measurement

nutrient acquisition depth

Vertical distribution of plant nutrient uptake from soil surface through saprolite to bedrock

biogeochemistry4 papers
measurement

polarimetric radar

Radar systems that transmit and receive both horizontal and vertical polarizations to characterize particle shape, orientation, and microphysical properties

methodological4 papers
measurement

precipitation seasonality

Temporal variation in precipitation patterns expressed as coefficient of variation in monthly precipitation over 5 years

climate4 papers
measurement

principal component analysis

methodological4 papers
measurement

stable isotope analysis

Analysis of carbon and nitrogen isotope ratios to determine trophic position and dietary composition

methodological4 papers
measurement

stand structure

The horizontal and vertical distribution of components of a forest stand including the height, diameter, crown layers, and stems of trees, shrubs, herbaceous understory, snags, and down woody debris

general ecology4 papers
measurement

surface pressure

climate4 papers
measurement

surface roughness length

climate4 papers
measurement

thermal performance curve

Temperature dependence of larval feeding rate, characterized by maximum feeding rate, optimal temperature, and thermal sensitivity parameters

climate4 papers
measurement

thermochronology

Dating technique that determines cooling histories of rocks using temperature-sensitive radiometric systems

methodological4 papers
measurement

turnover times

hydrology4 papers
measurement

two-choice test

Experimental design where subjects choose between two alternative options to assess preferences

methodological4 papers
measurement

vapor pressure deficit

The difference between the amount of moisture in the air and how much moisture the air can hold when it is saturated, indicating evaporative demand

climate4 papers
measurement

variance partitioning

Method for quantifying the proportion of overall variance explained by different factors or pathways using R² calculations

methodological4 papers
measurement

visitation rates

community ecology4 papers
measurement

87Sr/86Sr ratios

biogeochemistry3 papers