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Concepts

All (219)Explore Concept Graph

219 concepts

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Type

Allmeasurement (846)process (820)phenomenon (535)framework (357)metric (219)theory (159)hypothesis (92)methodology (49)model type (49)concept (20)methodological (10)method (5)resource (4)mechanism (3)morphological feature (3)pattern (2)habitat type (1)policy (1)analytical (1)method type (1)molecular mechanism (1)geological process (1)regulatory framework (1)land use (1)

Scope

Allmethodological (598)population ecology (538)general ecology (439)community ecology (386)biogeochemistry (319)hydrology (265)climate (228)evolution (132)landscape (99)molecular (84)behavioral ecology (10)general geology (8)plant ecology (7)geomorphology (5)sedimentology (4)paleontology (4)biogeography (4)geology (4)chemical ecology (3)community planning (3)environmental review (3)morphological (3)plant physiology (2)film studies (2)geochemistry (2)geophysical (2)geochronology (2)

M-ratio analysis

Method to detect historical bottlenecks using ratio of number of alleles to range in allele sizes

population ecology1 paper

Mass-length residuals

methodological1 paper

Q10

Temperature coefficient measuring the rate of change of a biological process as a function of temperature

population ecology1 paper

QST-FST comparison

Comparison of divergence at neutral molecular markers (FST) to divergence at quantitative functional traits (QST) to determine whether natural selection or neutral genetic drift drives trait variation

evolution1 paper

Recall

methodological1 paper

Resource Holding Potential

population ecology1 paper

SUVA

biogeochemistry1 paper

Simple Ratio Index

Association index calculated as the ratio of observations of individuals a and b seen together over the sum of observations of them seen together plus times seen separately

methodological1 paper

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water resources (2)

reproduction (2)

remote sensing (1)

plant physiology (1)

physiological (1)

conservation ecology (1)

conservation (1)

insect behavior (1)

biochemistry (1)

social behavior (1)

pollination ecology (1)

remote sensing (1)

environmental stress (1)

TSS

methodological1 paper

TWI

hydrology1 paper

Taper

methodological1 paper

Total Avian Conservation Value

Mean Conservation Concern Score for present species calculated by multiplying species abundance by Partners in Flight rankings

population ecology1 paper

Whittaker dissimilarity index

β-diversity metric used to quantify interaction turnover between successive weekly networks

methodological1 paper

[Re]/[Na+]* ratios

biogeochemistry1 paper

agricultural economic water productivity

hydrology1 paper

allele frequency change

Geometric mean of the ratio of allele frequency between consecutive generations (pt/pt-1)

evolution1 paper

basic reproduction ratio R0

population ecology1 paper

bee precedence

population ecology1 paper

beta diversity

Between-plot flowering-time diversity component representing differences in phenological timing among plots

community ecology1 paper

beta nearest taxon index

Metric calculated to determine deviation from null mean nearest taxon distance, used to identify whether deterministic or stochastic processes shape community composition

community ecology1 paper

blue water footprint

The volume of surface and ground water consumed as a result of the production of a good, expressed as the reciprocal of economic water productivity

hydrology1 paper

blue water footprint (BWF)

hydrology1 paper

bounding box ratio

A dimensional ratio calculated from minimum bounding rectangles to quantify the shape characteristics of pond polygons

methodological1 paper

carbon loss rate per degree per year

biogeochemistry1 paper

cash rent premiums

The difference between cash rents for irrigated versus non-irrigated land in the same area, used to estimate the value of water for irrigation

general ecology1 paper

catch per unit effort

Standardized measure of abundance calculated as number of individuals caught per unit of sampling time or effort

methodological1 paper

citation metrics

methodological1 paper

competition indices

Measures of inter-tree competition including relative spacing, larger neighbor volume, and neighborhood density calculated within specified neighborhoods

community ecology1 paper

configural invariance

methodological1 paper

connectance

Number of existing links divided by the number of possible links, or C=L/S²

community ecology1 paper

consistency ratio

Statistical measure of the consistency or scatter in paleocurrent directions

sedimentology1 paper

cooperation and collaboration

methodological1 paper

cumulative adversity index

Quantitative measure that sums multiple adversity measures experienced during early life to assess overall adversity burden

population ecology1 paper

daily absolute differences

methodological1 paper

daily specific mass loss

Rate of mass loss per day during hibernation, expressed as mg per gram body mass per day, used as measure of energetic efficiency

general ecology1 paper

degree-years

depth of investigation

geophysical1 paper

dissolved Re yield

biogeochemistry1 paper

drift propensity

A measure of drift standardized by the benthic density of the source population, calculated as drift density divided by benthic density

community ecology1 paper

drying ratio

Precipitation efficiency measure based on integrated vapor transport normalization to evaluate microphysical scheme performance

economic water productivity

Measures outputs generated per unit of water used, computed as dollar value of crop marketings divided by consumptive use of water for irrigation

hydrology1 paper

elasticity

Proportional change in λs resulting from a proportional change in the mean or standard deviation of a single vital rate

population ecology1 paper

expected discrepancy

methodological1 paper

fatal crashes per 1,000 traffic crashes

methodological1 paper

feedback strength

Quantitative measure of the sensitivity of weathering rates to changes in atmospheric CO2, characterized by 1st and 2nd order components

biogeochemistry1 paper

fish condition

Overall health and nutritional status of fish populations as indicated by relative weight and other bioindicators

population ecology1 paper

fluorescence index

biogeochemistry1 paper

fractal dimension

Power law exponent y' related to fractal box counting dimension indicating degree of self-similarity

general ecology1 paper

fraction of modern standard

biogeochemistry1 paper

fruit set

Proportion of successful fruits produced out of total crosses attempted

population ecology1 paper