Concepts
8 concepts
meta-analysis
Quantitative synthesis of results from multiple independent studies to identify general patterns
root weight fraction
The ratio of dry root weight to total dry plant weight, used as an indicator of soil nutrient availability with higher values indicating nutrient-poor conditions
maximum entropy inference
Statistical inference procedure that selects flattest probability distributions compatible with constraints imposed by prior knowledge
lichenometry
A dating technique that uses the measured diameters of lichen thalli to estimate the age of rock surfaces
nearest neighbor analysis
Statistical method comparing species composition near target individuals to background composition to identify spatial associations
point count surveys
Standardized method for observing and counting birds at fixed locations for specified time periods
response ratio
Statistical measure of effect size calculated as the ratio of treatment to control group means
upscaling
Extrapolation of species richness estimates from small plots to larger spatial scales using theoretical scaling relationships