publications > open file report > OFR 99-230 > tables > table 1
Table 1. Procedures used at each vegetation sampling date and treatment between and during sampling dates
| Dates/age of plants | Plant characteristics |
Sampling design |
Treatment between sampling dates/comments |
|---|---|---|---|
| September 1995 (9 months) |
Biomass: live, dead, total | 8 quadrats | Samples taken at upstream and downstream end of flume |
| Description | 8 quadrats | ||
| Leaf distribution | 8 blocks | ||
| Transects | 4 | ||
| Leaf area index | all layers | ||
| January 1996 (13 months) |
Biomass: live, dead, total | 16 quadrats | Top of plants in quadrats trimmed and thrown into flume Quadrats in 4 strips across flume |
| Description | 16 quadrats | ||
| Transects | 4 | ||
| Leaf area index | all layers | ||
| May 1996 (17 months) |
Biomass: live, dead, total | 12 quadrats | Plants thinned between this date and previous date. Plants transplanted to gaps Old plant material from trimming tops and thinning thrown into flume |
| Description | 12 quadrats | ||
| Transects | 4 | ||
| Leaf area index | all layers | ||
| October 1996 (21 months) |
Biomass: live leaves, live culms, dead, total | 12 quadrats | Plants transplanted to gaps Plants thinned between this date and previous date |
| Description | 12 quadrats | ||
| Transects | 4 | ||
| Leaf area index | all layers | ||
| March 1997 (27 months) |
Biomass: live leaves and culms, dead standing leaves and culms, dead litter, total | 12 quadrats | Sponges added before this date Plants transplanted to gaps |
| Description | 12 quadrats | ||
| Transects | 4 | ||
| Leaf area index | all layers | ||
| June 1997 (30 months) |
Biomass: live leaves and culms, dead standing leaves and culms, dead litter, total | 8 quadrats | Wind tunnel installed Front and back sections cleared Tops of plants not cut since March runs |
| Description | 8 quadrats | ||
| Transects | 4 | ||
| Leaf area index | all layers |
U.S. Department of the Interior, U.S. Geological Survey
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Last updated: 03 December, 2003 @ 02:55 PM (KP)