Concepts

All (3,182)Explore Concept Graph

3,182 concepts

measurement

trend estimation

methodological1 paper
process

trophic cascade

Indirect effects of ant nutrition on aphid populations and natural enemy abundance mediated through changes in ant behavior

community ecology1 paper
metric

trophic transfer efficiency

The efficiency with which energy is transferred between trophic levels in food webs

community ecology1 paper
process

tropospheric profiling

climate1 paper
phenomenon

tundra vegetation change

Directional changes in plant community composition, abundance, and structure in tundra ecosystems over time

climate1 paper
metric

turnover time

The average time required for dead wood to decompose, calculated as the inverse of the decay rate constant

biogeochemistry1 paper
measurement

uncertainty

Difference in means of the distributions when the difference in means is smaller, the stimulus is more uncertain and the state of the world is more ambiguous

general ecology1 paper
framework

uncertainty propagation

Statistical approach that carries forward uncertainty from one stage of analysis to subsequent modeling stages

methodological1 paper
framework

underrepresented minority students

Students from racial/ethnic groups that are underrepresented in STEM fields

methodological1 paper
process

unidirectional percolation

hydrology1 paper
phenomenon

uniparental care

Parental care provided by only one parent, either male or female

population ecology1 paper
phenomenon

univoltine

Having one generation per year, characteristic of high-altitude mosquito species

population ecology1 paper
measurement

utility values of research

methodological1 paper
measurement

vaccine efficacy

general ecology1 paper
measurement

vagility

Dispersal ability or mobility of an organism

general ecology1 paper
measurement

valley width

landscape1 paper
metric

value of information

The change in the animal's expectation of the state of the world after receiving stimulus information

general ecology1 paper
measurement

values alignment

The extent to which students see their personal values as aligning with values of the scientific community.

methodological1 paper
measurement

valve morphology

The structural characteristics of diatom valves including shape, size, and ornamental features

morphological1 paper
process

vapor depositional growth

climate1 paper
metric

variance inflation factor

methodological1 paper
process

vector competence

population ecology1 paper
process

vector mosquito autogeny

population ecology1 paper
phenomenon

vegetation boundaries

Multi-scalar or hierarchical entities where environmental conditions act as site-dependent filters of varying degree to create a present landscape

landscape1 paper
phenomenon

vegetation density patterns

Spatial distribution of plant species abundance in relation to ant nest locations

community ecology1 paper
metric

vegetative overlap

Spatial overlap between plant canopies used as a proxy for microenvironment modification strength

community ecology1 paper
measurement

vegetative structural complexity

Suite of variables including foliage height diversity, average height, coefficient of variation in height, willow frequency, patchiness, and cover

community ecology1 paper
theory

venation theory

Theory predicting that variation in leaf venation network geometry implies physiological trade-offs that then generate LES correlations.

general ecology1 paper
phenomenon

vesicular stomatitis

Vector-borne livestock disease caused by vesicular stomatitis viruses that produces blister-like lesions on muzzle, lips, tongue, and other areas

general ecology1 paper
measurement

viewshed analysis

GIS tool used for determining general visibility from specific locations to assess predator detection capability.

methodological1 paper
measurement

vigilance

Head up while sitting or walking, or sitting upright on haunches and surveying surroundings

population ecology1 paper
process

virulence evolution

population ecology1 paper
process

visual cues

Light-based signals that influence animal behavior and decision-making

general ecology1 paper
framework

visual culture

The study of how visual technologies and representations function within broader cultural and economic systems

methodological1 paper
framework

visual documentation

The use of paintings and photographs to record and represent industrial and environmental processes

methodological1 paper
phenomenon

visual obstruction effects

How physical barriers affect an animal's ability to detect predators and influence anti-predatory behavior patterns

population ecology1 paper
process

vocal learning

evolution1 paper
process

volatile organic compound degradation

Microbial breakdown of plant-emitted volatile compounds such as monoterpenes for carbon and energy sources

biogeochemistry1 paper
measurement

volatile organic compounds

Chemical compounds emitted by carcasses that attract carrion feeders and can be suppressed by burial and maintenance behaviors

community ecology1 paper
process

volumetric approach

energy1 paper
measurement

volution

morphological1 paper
morphological feature

volution coiling

methodological1 paper
metric

vulnerability index

A quantitative measure of forest growth sensitivity to climate change based on correlations between historical growth and climate data

climate1 paper
framework

water conservation payments

general ecology1 paper
framework

water conservation policy

Policy approaches to reduce agricultural water consumption through compensation mechanisms and voluntary conservation programs

hydrology1 paper
measurement

water discharge

hydrology1 paper
measurement

watershed flashiness

hydrology1 paper
measurement

weight-length relationship

Mathematical relationship between fish weight and length represented by the improved model W(L)=1000(L/L1)^b

population ecology1 paper
framework

weighted gene coexpression network analysis

Method to identify modules of coexpressed genes and relate them to phenotypic traits

molecular1 paper
framework

western genre

Film genre characterized by frontier settings, masculine heroism, and themes of civilization versus wilderness

film studies1 paper