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

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Now press any button of the EGM to send data to thecomputer.CONNECT TO PCANY KEY TO SENDYou should now see the data downloading. If errormessages, try again.Remember to download data also at the end of theday.The number of peaks in the green curve (CO 2 increasefor every measurement) is equivalent to the numberof measurements made. Count them when youdownload the data and you will have the certaintythat all the measurements you made were safelydownloaded to the computer. After the data has beendownloaded successfully, quit the Transfer programand turn off the computer.In the EGM, empty the memory. Press 5 (CLR).Press YY to clear database.Press 0 to confirm.1REC 2SET 3CAL4DMP 5CLR 6CLKCLEAR DATABASE(Y/N)PRESS 0 TOCONFIRMStart the CO 2 measurements as before. Continue from the next record number (do notstart again from 1 during the same day).Finishing the measurementsRecord the last measurementDownload data from the EGM to the computerin the forest or in the camp.Switch the On/Off switch of the EGM to Off.Disconnect the chamber.In the camp, charge the EGM.For lead acid batteriesFor NiMH batteriesTurn the Charge / Run switch to Charge.Put the computer to charge.71
APPENDIX III: Possible schedule of jobs for first 4 monthsMonitoring Month 1 Month 2 Month 3 Month 4In-growth cores every 3 months (§2.1)Rhizotrons every 1 month (§2.2)Soil respiration collars every 1 month (§3.1)Stem respiration collars every 1 month (§3.2)Partitioning experiment collars every 1 month including all control collars (§3.3)Ground fine litter every 3 months (§4.1)Litter traps every 2 weeks, separating leaves for SLA every 3 months (§4.3)CWD survey (for both biomass accumulation and CO 2 efflux) every 2 months (§3.4and §4.2)Dendrometers at least every 3 months (ideally, every month) (§5)Hemispherical photos in every subplot every month (§6)Herb productivity on a 4 month cycle with measurements after 3.5 and 0.5 months(§7)MET station readings are continuous, but downloaded every week both from theclearing and understorey stations (§8)Data entry (§10)Recensus of plot every year, as close as possible to the same calendar date as the first census (§1.7)One-off survey of soil carbon stocks (§2.4)One-off botanical, topographical and other surveys (§9)70
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Measuring Tropical ForestCarbon All
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ContentsTHE RAINFOR-GEM INTENSIVE C
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The RAINFOR-GEM Intensive Carbon Mo
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What are the RAINFOR-GEM protocols?
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Where can I get data from existing
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Two RAINFOR-GEM hectare plots in th
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1.2 Setting out the plotSubplot cor
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An example surveying path (cf. Cond
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Required for jobs that can be sched
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Tree #487 in Fragment E plot where
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1.4 Tagging small trees*** Note tha
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does, measure underneath the lean o
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Measuring a liana at three points i
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BOX 2: Five unusual trees.Example 1
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Example 3: Here is a large liana on
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1.5 Tree heightTree height should b
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1.6 Sketch map of the plotAt this p
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2. BELOW GROUND MEASUREMENTSWe star
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Next, insert the cylindrical core i
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BOX 3: How to make an in-growth cor
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2.2 RhizotronsRoot observation pits
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sure that it covers the hole but no
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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 and 98: CO 2 flux measurements with EGM: A
Page 99: Downloading dataEGM memory can stor
Page 103 and 104: Gerwing JJ, Schnitzer SA, Burnham R
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RAINFOR GEM Intensive Plots Manual (pdf) - University of Oxford

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