RAINFOR GEM Intensive Plots Manual (pdf) - University of Oxford

More documents

Recommendations

Info

MeasurementType in a record number (start from 1) and press Y.Needs two digits (for example 1 = 01).Hold the chamber in the air, away from people.Don’t breathe into the chamber or into the collar.No smoking!Place the chamber on the collar. Press Y to startthe measurement.Measurement takes 124 s (ends sooner, if CO 2concentration goes up very fast).When the measurement has ended press Y.PLOT NO = 1Y OR NEW VALUECHAMBER FLUSHINGHOLD IN AIR 4PLACE ON SOILPRESS Y TO STARTTimeTo save the measurement press Y. If themeasurement was not good, don’t save (press N)and repeat the measurement.Take the chamber off the collar and press Y.Type in a new record number and press Y.Start a new measurement as before.Note: CO 2 concentration in the beginning of themeasurement should drop to
Downloading dataEGM memory can store 36 measurements, after that the memory is full.After 36 measurements download data to computer.Turn on the computer. Log in.Connect the USB-RS cable to the EGM and to COM port 3.(Wait a bit if the computer is slow).In the EGM press N until you are back in this main menu. Press 4 (DMP).Press 2 (DATA DUMP).1REC 2SET 3CAL4DMP 5CLR 6CLK1: SCREEN DISPLAY2: DATA DUMP 1-2?In the computer, double click Transfer to open the data program. Click Transfer and Start.Type in the file name (YYYY-MM-DD), for example 15th of September 2011 is 2011-09-15. Ifmore than one file on the same day, name the second file 2011-09-15_2. Click Save.70
Page 1:
Measuring Tropical ForestCarbon All
Page 5 and 6:
ContentsTHE RAINFOR-GEM INTENSIVE C
Page 7 and 8:
The RAINFOR-GEM Intensive Carbon Mo
Page 9 and 10:
What are the RAINFOR-GEM protocols?
Page 11 and 12:
Where can I get data from existing
Page 13 and 14:
Two RAINFOR-GEM hectare plots in th
Page 15 and 16:
1.2 Setting out the plotSubplot cor
Page 17 and 18:
An example surveying path (cf. Cond
Page 19 and 20:
Required for jobs that can be sched
Page 21 and 22:
Tree #487 in Fragment E plot where
Page 23 and 24:
1.4 Tagging small trees*** Note tha
Page 25 and 26:
does, measure underneath the lean o
Page 27 and 28:
Measuring a liana at three points i
Page 29 and 30:
BOX 2: Five unusual trees.Example 1
Page 31 and 32:
Example 3: Here is a large liana on
Page 33 and 34:
1.5 Tree heightTree height should b
Page 35 and 36:
1.6 Sketch map of the plotAt this p
Page 37 and 38:
2. BELOW GROUND MEASUREMENTSWe star
Page 39 and 40:
Next, insert the cylindrical core i
Page 41 and 42:
BOX 3: How to make an in-growth cor
Page 43 and 44:
2.2 RhizotronsRoot observation pits
Page 45 and 46:
sure that it covers the hole but no
Page 47 and 48: An example rhizotron transparency f
Page 49 and 50: Analysis: First, calculate the sum
Page 51 and 52: A metallic rhizotron as in use at t
Page 53 and 54: 2.3 Coarse rootsNeither in-growth c
Page 55 and 56: 3. CO 2 EFFLUX3.1 Total soil CO 2 e
Page 57 and 58: 3.2 Stem CO 2 effluxFirst, choose t
Page 59 and 60: e related to stem growth) to check
Page 61 and 62: Equipment: IRGA and SRC-1, PVC coll
Page 63 and 64: Control No litter Double litterNo e
Page 65 and 66: the S3 hole. Finally, discard the l
Page 67 and 68: 3.4 Coarse woody debris (CWD) CO 2
Page 69 and 70: 4.2 Coarse woody debris (CWD) surve
Page 71 and 72: all of the large, marked wood piece
Page 73 and 74: Equipment: 25 litter traps per ha (
Page 75 and 76: this select the straight line drawi
Page 77 and 78: http://www.eci.ox.ac.uk/research/ec
Page 79 and 80: • The tripod is level so that the
Page 81 and 82: 8. WEATHER AND CLIMATELocal climate
Page 83 and 84: Luiz Aragão repairing an understor
Page 85 and 86: 10. DATA ENTRY AND SERVER UPLOADA c
Page 87 and 88: APPENDIX I: RAINFOR-GEM Fieldwork c
Page 89 and 90: APPENDIX II: How to use an EGM-4 In
Page 91 and 92: • Remember to change the switch i
Page 93 and 94: CO 2 efflux calculationsWhile the E
Page 95 and 96: The volume V airspace (stippled) be
Page 97: CO 2 flux measurements with EGM: A
Page 101 and 102: APPENDIX III: Possible schedule of
Page 103 and 104: Gerwing JJ, Schnitzer SA, Burnham R
show all

RAINFOR GEM Intensive Plots Manual (pdf) - University of Oxford

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?