# Chemical and microbiological properties of soils in the Andrews Experimental Forest (1994 REU Study) ## Dataset - **Database Code:** SP006 - **Title:** Chemical and microbiological properties of soils in the Andrews Experimental Forest (1994 REU Study) - **Abstract:** To conduct a comprehensive study of soil chemical and microbiological properties at the HJA during the week of July 11,1994. - **Keywords:** biology; soil chemistry; temperature; air temperature; respiration; denitrification; inorganic nutrients; nitrogen; microbes; Long-Term Ecological Research (LTER); inorganic nutrients - **Temporal coverage:** 1994-07-11 to 1994-07-15 - **Principal Investigator:** Robert P. Griffiths ## Data Entities 1. SP00601 2. SP00602 ## Entity 1: SP00601 ### Attribute list - **STCODE** — varchar, enum FSDB Database Study code - **SP006** — FSDB Database Study Code SP006 - **FORMAT** — numeric(1.000000), range 1.0000 1.0000, number Entity number - **SITE** — numeric(1.000000), range 1.0000 202.0000, number Site name - **LATITUDE** — numeric(0.001000), range 44.2050 44.2770, degrees latitude or longitude Latitude of site - **LONGITUDE** — numeric(0.001000), range -122.2580 -122.1040, degrees latitude or longitude Longitude of site - **ELEVATION** — numeric(0.001000), range 433.8560 1472.1050, meters Elevation of site ## Entity 2: SP00602 ### Attribute list - **STCODE** — varchar, enum FSDB Database Study code - **SP006** — FSDB Database Study Code SP006 - **FORMAT** — numeric(1.000000), range 2.0000 2.0000, number Entity number - **SITE** — numeric(1.000000), range 1.0000 202.0000, number Site name - **MOS** — varchar, enum Moss presence - **** — No moss present - **1** — Some moss present - **2** — Mostly moss - **MATS** — varchar, enum Mat presence - **** — Mats not present - **1** — Mats are present - **STANDAGE** — varchar, enum Stand successional stage - **1** — Oldgrowth - **2** — Mature - **3** — Yount - **4** — Green-tree - **5** — Clearcut - **PH** — numeric(0.010000), range 3.1000 6.0000, pH units Soil pH - **PERMOIST** — numeric(0.010000), range 9.6500 177.7800, percent Percent moisture - **AIRTEMP** — numeric(0.010000), range 12.9200 34.7200, degrees Celsius Mean air temperature for two days - **SOILTEMP** — numeric(0.010000), range 5.8500 27.7800, degrees Celsius Mean soil temperature for two days - **BULKDENS** — numeric(0.010000), range 0.1000 1.1800, grams per milliliter Bulk density - **SOM** — numeric(0.010000), range 7.3700 90.6300, percent Soil organic matter - **WEEK7RSP** — numeric(0.010000), range 7.5000 1782.5000, number Seven week accumulated CO2 (long-term respiration) - **RESP** — numeric(0.010000), range 0.1800 4.5800, grams per square meter per day Field respiration by sodalime (as C) - **HEADSPAC** — numeric(0.001000), range 0.0020 0.0330, grams per square meter Headspace carbon (as C) - **TOTALRES** — numeric(0.010000), range 0.1800 4.6000, grams per square meter per day Total field respiration (as c) - **LABRESP** — numeric(0.010000), range 0.0000 1.8300, micrograms per gram per hour Laboratory respiration (no amendments, as C) - **H2ORESP** — numeric(0.010000), range -0.0600 2.1000, micrograms per gram per hour Laboratory respiration (water added, as C) - **GLUCRESP** — numeric(0.010000), range 0.0000 1.9000, micrograms per gram per hour Laboratory respiration (glucose in water, as C) - **SIR** — numeric(0.010000), range -0.2000 0.6700, micrograms per gram per hour Substrate induced respiration (as C) - **DENITR** — numeric(0.010000), range 0.0000 518.0300, micrograms per gram per hour Denitrification potential (as C) - **EXTR_AMM** — numeric(0.010000), range 0.0000 24.1600, micrograms per gram Extractable ammonium (as N, dry weight basis)) - **NETMIN_N** — numeric(0.010000), range 5.3100 221.9300, micrograms per gram Net mineralizable nitrogen (as N, dry weight basis)) - **LAB_SOM** — numeric(0.000100), range 0.0000 0.0520, number Labresp value / SOM - **GLUC_SOM** — numeric(0.000100), range 0.0000 0.0674, number Glucose enhanced respiration / SOM - **LONG_MIN** — numeric(0.010000), range 0.2100 38.9200, number Week7rsp value / mineralizable nitrogen - **LONG_SOM** — numeric(0.010000), range 0.4700 23.0400, number Week7rsp value / som ## Attribute Definitions **AIRTEMP** Mean air temperature for two days **BULKDENS** Bulk density **DENITR** Denitrification potential (as C) **ELEVATION** Elevation of site **EXTR_AMM** Extractable ammonium (as N, dry weight basis)) **FORMAT** Entity number **GLUCRESP** Laboratory respiration (glucose in water, as C) **GLUC_SOM** Glucose enhanced respiration / SOM **H2ORESP** Laboratory respiration (water added, as C) **HEADSPAC** Headspace carbon (as C) **LABRESP** Laboratory respiration (no amendments, as C) **LAB_SOM** Labresp value / SOM **LATITUDE** Latitude of site **LONGITUDE** Longitude of site **LONG_MIN** Week7rsp value / mineralizable nitrogen **LONG_SOM** Week7rsp value / som **MATS** Mat presence **MOS** Moss presence **NETMIN_N** Net mineralizable nitrogen (as N, dry weight basis)) **PERMOIST** Percent moisture **PH** Soil pH **RESP** Field respiration by sodalime (as C) **SIR** Substrate induced respiration (as C) **SITE** Site name **SOILTEMP** Mean soil temperature for two days **SOM** Soil organic matter **STANDAGE** Stand successional stage **STCODE** FSDB Database Study code **TOTALRES** Total field respiration (as c) **WEEK7RSP** Seven week accumulated CO2 (long-term respiration) ## Enumerated Domains ### STCODE - **SP006** — FSDB Database Study Code SP006 ### MOS - **** — No moss present - **1** — Some moss present - **2** — Mostly moss ### MATS - **** — Mats not present - **1** — Mats are present ### STANDAGE - **1** — Oldgrowth - **2** — Mature - **3** — Yount - **4** — Green-tree - **5** — Clearcut