Concepts

All (3,182)Explore Concept Graph

3,182 concepts

measurement

water potential

An integrative measure of how much tension there is in the water column of the xylem, reflecting the ease or difficulty a plant has in transporting water from the soil

hydrology3 papers
measurement

wood traits

general ecology3 papers
measurement

Ångström exponent

climate3 papers
metric

Accuracy

methodological2 papers
phenomenon

Arctic browning

general ecology2 papers
framework

Atokan

general ecology2 papers
measurement

BC-ratio

The proportion of aliphatic GS derived from branched-chain amino acid (Val and Ile) precursors, representing quantitative trait variation controlled by known biosynthetic locus

molecular2 papers
measurement

BSF

climate2 papers
metric

Bateman's index

Constancy index that distinguishes between complete constancy, random transitions, and complete inconstancy

methodological2 papers
framework

Bayesian retrieval

Statistical approach using prior information and measurement uncertainties to optimally estimate atmospheric properties

methodological2 papers
framework

Budyko framework

hydrology2 papers
framework

COVID-19 field research protocols

Safety procedures including isolation, testing, and capacity restrictions to enable field research during pandemic

methodological2 papers
measurement

CRF

climate2 papers
measurement

Campanian-Maastrichtian

Late Cretaceous geological time intervals

geochronology2 papers
model type

Constant Connectance in Space model

Model developed to determine LARs based on SAR and simple properties of food webs including species richness, number of links and connectance

community ecology2 papers
measurement

Consumptive Use

hydrology2 papers
metric

Damköhler number

Dimensionless number comparing transport timescale to reaction timescale, used to determine whether transport or reaction processes dominate

biogeochemistry2 papers
phenomenon

Desmoinesian

general ecology2 papers
hypothesis

Dobzhansky-MacArthur hypothesis

Predicts that a species' high-elevation range limit is determined by harsh abiotic conditions whereas its low-elevation range limit is set by antagonistic species interactions

biogeography2 papers
measurement

EPT taxa

Ephemeroptera, Plecoptera, and Trichoptera orders used as indicators of aquatic ecosystem health

community ecology2 papers
metric

F-score

Harmonic mean of precision and recall used to evaluate classification model performance

methodological2 papers
model type

Fisher logseries distribution

A statistical distribution commonly observed in species abundance patterns, predicted by METE for undisturbed communities

community ecology2 papers
measurement

GEP

biogeochemistry2 papers
framework

GMWL

hydrology2 papers
framework

Global Meteoric Water Line

hydrology2 papers
hypothesis

Gloger's rule

A relationship between plumage coloration and climate variation, predicting that darker coloration due to pigmentation occurred in warmer, more humid tropical regions while lighter colors occurred in ...

general ecology2 papers
phenomenon

Great Basin Sagebrush Vegetation

community ecology2 papers
hypothesis

Hamilton-Zuk hypothesis

Males infected with parasites will have reduced mate attraction as a consequence of less enhanced secondary sexual characters due to energy allocation to immune response

evolution2 papers
phenomenon

Heinrich Event 1

climate2 papers
measurement

Intrinsic Value

methodological2 papers
measurement

Julian day

Day of year from 1-365 used to measure timing of biological events

methodological2 papers
measurement

LTL

molecular2 papers
model type

Long Short-Term Memory

Type of recurrent neural network capable of learning temporal dependencies in sequential data through gated memory cells

methodological2 papers
measurement

MAOC

biogeochemistry2 papers
phenomenon

Mancos Shale

general ecology2 papers
framework

Marine Oxygen Isotope Stage 2

climate2 papers
measurement

Missourian age

general ecology2 papers
measurement

Monin-Obukhov stability parameter

climate2 papers
measurement

NDSI

climate2 papers
measurement

Na

biogeochemistry2 papers
metric

Nominal oxidation state of carbon (NOSC)

biogeochemistry2 papers
theory

Optimal Defense Theory

general ecology2 papers
measurement

PWV

climate2 papers
framework

Pennsylvanian Period

geology2 papers
phenomenon

Range shifts

population ecology2 papers
metric

Relative Interaction Intensity

Standardized measure of interaction strength ranging from -1 to 1, where positive values indicate facilitation and negative values indicate competition

community ecology2 papers
metric

Relative contributions

community ecology2 papers
measurement

SOC

biogeochemistry2 papers
process

SOC-stabilizing processes

biogeochemistry2 papers
process

STEM retention

Keeping students engaged and continuing in Science, Technology, Engineering, and Mathematics fields

methodological2 papers