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permanent plot method (Asteraceae)
Local Knowledge Graph (33 entities)
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Knowledge graph centered on permanent plot method (Asteraceae) with 33 nodes and 113 connections. Top connected: Erigeron, Populus tremuloides, Lupinus, species diversity, Taraxacum.
Description
Systematic relocation and resurvey of 1 m x 1 m permanent vegetation plots established in 1947, with species abundance recorded as individuals per square meter. Historical data from multiple time periods (1947-1954, 1969, 1989-1991) was aggregated with new 2014 data to track vegetation changes over 67 years.
Typical Equipment
- maps
- GPS
- stakes
- rock cairns
- field recording materials
- computer
- analysis software
Output Measurements
- species abundance
- species richness
- species composition changes over time