Concepts

All (3,182)Explore Concept Graph

3,182 concepts

phenomenon

macronutrient imbalance

Imbalance between carbohydrates and protein availability that affects ant behavior and foraging strategies

community ecology1 paper
measurement

magnetic fabrics

methodological1 paper
measurement

magnetic hysteresis

The relationship between applied magnetic field and induced magnetization that reveals magnetic mineralogy and domain states

methodological1 paper
measurement

magnified intersection method

Standardized technique for quantifying fungal colonization by scoring presence of fungal structures at random root intersections under magnification

methodological1 paper
metric

magnitude

hydrology1 paper
hypothesis

main effects hypothesis

Hypothesis that social relationships provide direct emotional and behavioral aid that encourages healthy lifestyle changes

general ecology1 paper
process

maintenance of diversity

community ecology1 paper
phenomenon

maladaptive host choice

Selection of host plants that reduce offspring fitness or survival

evolution1 paper
phenomenon

maladaptive preference

evolution1 paper
phenomenon

male desertion

Males leaving the brood first, leaving their mates as sole caretakers of the larvae

population ecology1 paper
measurement

male emergence timing

The timing of male bee emergence relative to females, used as an indicator of social breeding strategy and brood structure.

population ecology1 paper
process

manganese cycling

The oxidation and reduction reactions of manganese in aquatic sediments, influenced by oxygen availability and organic carbon supply

biogeochemistry1 paper
theory

marginal value theorem

population ecology1 paper
phenomenon

marianismo

general ecology1 paper
measurement

marijuana-related hospital discharges

general ecology1 paper
theory

masculinity performance

The concept that masculinity is performed and constructed rather than innate, revealed through character staging and cultural fabrication

general ecology1 paper
framework

mass balance equations

Mathematical descriptions that provide a palette for visualizing and quantifying emergent dynamics of systems

methodological1 paper
theory

mass conservation

The principle that mass cannot be created or destroyed, applied to nutrient cycling as consumption - growth - egestion = excretion

general ecology1 paper
theory

mass conservation

Physical principle balancing soil transport and production processes to predict soil thickness evolution

geomorphology1 paper
measurement

mass-specific processing

Detritus processing rate standardized by invertebrate biomass

community ecology1 paper
phenomenon

masting

Synchronized, massive flowering event that occurs infrequently in monocarpic species

population ecology1 paper
methodology

matched pair design

Research design comparing outcomes between treated subjects and demographically similar untreated controls

methodological1 paper
phenomenon

maternal effects

Influence of maternal identity on offspring growth through burrow location, maternal investment, and genetics

population ecology1 paper
phenomenon

maternal stress effects

Impact of maternal stress levels on offspring survival and development, potentially with intergenerational effects

population ecology1 paper
phenomenon

matriline

Social group consisting of one to five closely-related females (yearlings and young) in yellow-bellied marmots

population ecology1 paper
phenomenon

matrix effects

Interference in analytical measurements caused by dissolved organic matter and salts that suppress or intensify the response signal

methodological1 paper
metric

maturity index

Body mass at specified age divided by adult body mass

population ecology1 paper
measurement

maximum differential reflectivity (sZDRmax)

climate1 paper
framework

maximum entropy theory

A theoretical framework that derives universal SAR formulae from information theory principles

general ecology1 paper
measurement

maximum thickness

general ecology1 paper
metric

mean fire interval

landscape1 paper
metric

mean sensitivity

A measure of high-frequency variation in tree-ring series that indicates climate responsiveness

methodological1 paper
measurement

mean slope

landscape1 paper
framework

melodramatic mode

A mode of filmmaking that uses setting to externalize the inner states of characters, focusing on psychological realism and emotional expression

methodological1 paper
process

melt timing

hydrology1 paper
metric

memorability

general ecology1 paper
measurement

mentorship quality

Student perceptions of the quality of relationships and support received from research mentors

general ecology1 paper
phenomenon

metabolic complementarity

Ability of symbiotic microorganisms to metabolize compounds that are toxic or indigestible to their hosts

molecular1 paper
process

metabolic depression

Reduction in metabolic rate that can be active or passive

population ecology1 paper
measurement

metabolic flight capacity

Peak metabolic rate and total energy expenditure during forced flight as measures of dispersal ability

population ecology1 paper
measurement

metabolic rate

Rate of energy expenditure or metabolic activity in plant species

general ecology1 paper
measurement

metadata

methodological1 paper
measurement

metal speciation

Identification and quantification of different chemical forms and binding environments of metals in environmental samples

biogeochemistry1 paper
process

metamorphosis

population ecology1 paper
measurement

methyl-coenzyme M reductase

Key enzyme complex involved in methane metabolism in archaea

molecular1 paper
process

microbial communities

Soil microorganisms that consume nitrogen when carbon is added, affecting plant nutrient availability

biogeochemistry1 paper
framework

microbial efficiency matrix stabilization

Framework suggesting that more labile plant material may be easier for soil microbes to assimilate and transform into microbial necromass, which can become more physically or chemically protected thro...

biogeochemistry1 paper
process

microclimate buffering

Protection of local environmental conditions from broader regional climate trends by fine-scale topographic features

climate1 paper
measurement

microphone array

A multi-sensor system designed to spatially and synchronously sample the sound field

methodological1 paper
model type

microphysical parameterization

Representation of cloud microphysical processes in atmospheric models that control precipitation initiation and rates of snowfall

climate1 paper