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SP005 – Simplified metadata
Dataset
- Database Code
- SP005
- Title
- Synoptic soil respiration of permanent forest sites in the Andrews Experimental Forest (1993 REU Study)
- Abstract
- To examine soil respiration as influenced by temperature and moisture to determine the role of CO2 evolution rates in overall carbon dynamics.
- Keywords
- soil temperature; soil moisture; soil respiration; gas flux; respiration; carbon cycling; inorganic nutrients; Long-Term Ecological Research (LTER); inorganic nutrients
- Date begin
- 1993-07-15
- Date end
- 1993-07-15
- Principal Investigator
- Robert P. Griffiths
Entities
- SP00501
- SP00502
- SP00503
1. SP00501 - Attribute list
| Attribute | Type | Domain | Minimum | Maximum | Unit |
|---|---|---|---|---|---|
| STCODE | varchar | enum | |||
| FORMAT | numeric(1.000000) | range | 1.0000 | 1.0000 | number |
| SITENUM | numeric(1.000000) | range | 1.0000 | 170.0000 | number |
| LAT | numeric(0.001000) | range | 44.2080 | 44.2770 | degrees latitude or longitude |
| LONG | numeric(0.001000) | range | 122.1120 | 122.2580 | degrees latitude or longitude |
| ELEV | numeric(1.000000) | range | 424.0000 | 1406.0000 | meters |
| ASPECT | varchar | enum | |||
| STANDAGE | varchar | enum | |||
| LOCATION | varchar | freetext | |||
| ROADPOSN | varchar | freetext |
2. SP00502 - Attribute list
| Attribute | Type | Domain | Minimum | Maximum | Unit |
|---|---|---|---|---|---|
| STCODE | varchar | enum | |||
| FORMAT | numeric(1.000000) | range | 2.0000 | 2.0000 | number |
| SITENUM | numeric(1.000000) | range | 1.0000 | 170.0000 | number |
| DATE | datetime | freetext | |||
| RESP | numeric(0.010000) | range | 0.0000 | 6.2500 | grams per square meter |
| SOILTEMP | numeric(0.100000) | range | 7.0000 | 17.0000 | degrees Celsius |
| AIRTEMP | numeric(0.100000) | range | 8.0000 | 17.0000 | degrees Celsius |
| PMOIST | numeric(0.100000) | range | 14.9000 | 189.9000 | percent |
| MAXTEMP | numeric(1.000000) | range | 11.0000 | 32.0000 | degrees Celsius |
| MINTEMP | numeric(1.000000) | range | 6.0000 | 10.0000 | degrees Celsius |
| CONTROL | varchar | enum |
3. SP00503 - Attribute list
| Attribute | Type | Domain | Minimum | Maximum | Unit |
|---|---|---|---|---|---|
| STCODE | varchar | enum | |||
| FORMAT | numeric(1.000000) | range | 3.0000 | 3.0000 | number |
| SITENUM | numeric(1.000000) | range | 1.0000 | 170.0000 | number |
| SPECIES | varchar | enum |
Attribute definitions
- AIRTEMP
- Mean air temperature of beginning and ending air temperature
- ASPECT
- Aspect coded by 8 cardinal directions, flat, or top of ridge
- CONTROL
- Indicates whether background co2 control is also run
- DATE
- Date of sampling
- ELEV
- Elevation
- FORMAT
- Entity number
- LAT
- Latitude
- LOCATION
- Location of site
- LONG
- Longitude
- MAXTEMP
- Max 24-hour temperature
- MINTEMP
- Min 24-hour temperature
- PMOIST
- Percent moisture; ((wet-dry)/dry)*100
- RESP
- Soil respiration corrected for background and adsorbed CO2 (as C)
- ROADPOSN
- Position of site relative to road
- SITENUM
- Site number
- SOILTEMP
- Mean soil temperature of beginning and ending soil temperature
- SPECIES
- Tree and shrub species on plot, codes according to Garrison et al., 1972
- STANDAGE
- Coded vegetation description
- STCODE
- FSDB Database Study code
Enumerated domains
Enumerated domain for attribute: STCODE
| Code | Description |
|---|---|
| SP005 | FSDB Database Study Code SP005 |
Enumerated domain for attribute: ASPECT
| Code | Description |
|---|---|
| North | |
| 1 | Northeast |
| 2 | East |
| 3 | Southeast |
| 4 | South |
| 5 | Southwest |
| 6 | West |
| 7 | Northwest |
| 8 | Flat |
| 9 | Top of ridge |
Enumerated domain for attribute: STANDAGE
| Code | Description |
|---|---|
| 1 | Old growth |
| 2 | Mature stand |
| 3 | Young growth |
| 4 | Green tree retention |
| 5 | Clearcut |
| 9 | Not recorded |
Enumerated domain for attribute: CONTROL
| Code | Description |
|---|---|
| N | No control placed at this site |
| Y | Control placed at this site to compensate for background and absorbed co2 |
Enumerated domain for attribute: SPECIES
| Code | Description |
|---|---|
| ABAM | Abies amabilis |
| ACCI | Acer circinatum |
| ACMA | Acer macrophyllum |
| ALRU | Alnus rubra |
| ALSI | Alnus sinuata |
| BENE | Berberis nervosa |
| CEVE | Ceanothus velutinus |
| GASH | Gaultheria shallon |
| LU | Lupinus |
| OXOR | Oxalis oregana |
| POTR | Populus tremuloides |
| PSME | Pseudotsuga menziesii |
| PTAQ | Pteridium aquilinum |
| RHMA | Rhododendron macrophyllum |
| RUUR | Rubus ursinus |
| SCSE | Scirpus setaceus |
| TABR | Taxus brevifolia |
| THPL | Thuja plicata |
| TSHE | Tsuga heterophylla |
| TSME | Tsuga mertensiana |
| VAUL | Vaccinium uliginosum |
| CACH | Castanopsis chrysophylla |
| EPAN | Epilobium angustifolium |
| GRASS | Gramin |