Concepts

Exposure to ultraviolet radiation from natural sunlight

Exposure to ultraviolet radiation that increases with elevation and can damage plant tissues

Cloud radar operating at approximately 94 GHz frequency with high sensitivity to cloud particles

A law relating to an animal's ability to differentiate among levels of stimuli, specifically about how animals detect and retrieve information, not how they choose to respond to perceived stimuli

Disease transmission cycle involving mosquito vectors, bird hosts, and potential infection of mammals including humans

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

Spectroscopic technique that provides information on sulfur redox states and bonding environments for investigating sulfur cycling in natural systems

Synchrotron-based multiple energy μ-XRF 2D mapping technique for detecting spatial distributions of elements and their oxidation states

Imaging technique using X-ray photons with energies in the range of 10²-10⁶ eV to visualize internal structures

The hypothesis that sexually selected traits are honest signals of individual quality because they impose a cost to the bearer

A practice of guided meditation that is intended to lead to insight through open-minded observation of the natural world

Black and white markings that lack color information

The capacity of water to neutralize acids, indicating buffering ability against acidification

Acidification of surface waters due to atmospheric acid deposition from anthropogenic sources

The depth below which the total annual groundwater flux is a sufficiently small fraction of the annual watershed hydrologic budget that its exclusion from watershed numerical models has a negligible i...

Governance systems that can adjust and respond to changing conditions and challenges

Signal processing algorithms that automatically adjust parameters in response to changing environmental conditions

Mortality from hunting that adds to natural mortality rather than substituting for it, resulting in net population-level effects

Predicting community-level function by summing individual species contributions based on their abundance and per-capita rates

The requirement that the sum of species-area relationships for subgroups should equal the species-area relationship for the entire assemblage

Colonization by winged adult insects as an often-cited mode of wetland colonization

Predation on flying insects by birds, bats, or other aerial predators during flight

Secondary aerobic treatment using wetland plants to further reduce BOD, nutrients, and remaining contaminants from biochemical reactor effluent

Atmospheric layer with elevated concentration of aerosol particles, detectable through lidar backscatter measurements

The relationship between thermochronologic ages and sample elevation used to calculate exhumation rates

Behavioral differences between juvenile and adult animals related to different survival priorities and risk tolerance

Three dimensional air movement patterns within forest stands affected by tree density and canopy structure

The relative proportions and functional roles of autotrophic versus heterotrophic organisms in biofilm communities