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Gerschlauer, Friederike; Kiese, Ralf (2020): Soil organic carbon, isotopic ratios and nitrogen analysis from different samples of the Mt. Kilimanjaro [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.912584

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Abstract:
Fieldwork took place in February and March in 2011 and 2012. Sampling was conducted on 50-50m plots established at each of the 60 Kili studied sites (12 ecosystems x 5 transects). Surface litter and mineral topsoil (0–5 cm) were sampled at five locations at each plot. Additionally, fresh mature leaves of the five most abundant plant species covering 80% of total plant biomass per site were collected. All sampled materials (leaves, litter, and soil) were air-dried until constant weight, and leaf material was subsequently ovendried at 70 °C for 60 h prior to grinding. Soil was sieved to 2mm with visible root fragments being further removed prior to grinding with a mixer mill (MM200, Retsch, Haan Germany). Soil pH was determined with a pH meter (MultiCal SenTix61,WTW,Weilheim, Germany) in a 0.01MCaCl2 solution, with a CaCl2-to-soil ratio of 2 V 1. Particle size distribution was determined gravimetrically using the pipette method (van Reeuwijk, 2002). All soil, litter, and leaf samples were analysed with a dry combustion elemental analyser (Costech International S.p.A., Milano, Italy) fitted with a zero-blank autosampler coupled to a ThermoFinnigan DeltaPlus XL using continuous-flow isotope ratio mass spectrometry (CF-IRMS) for the determination of the abundance of elemental C and N and their stable isotopic composition (d13C, d15N). Precisions (standard deviations) on internal standards for elemental C and N concentrations and stable isotopic compositions were better than 0.08% and 0.2 ‰, respectively.
Keyword(s):
Kilimanjaro
Related to:
Gerschlauer, Friederike; Saiz, Gustavo; Schellenberger Costa, David; Kleyer, Michael; Dannenmann, Michael; Kiese, Ralf (2019): Stable carbon and nitrogen isotopic composition of leaves, litter, and soils of various ecosystems along an elevational and land-use gradient at Mount Kilimanjaro, Tanzania. Biogeosciences, 16(2), 409-424, https://doi.org/10.5194/bg-16-409-2019
Project(s):
Funding:
German Research Foundation (DFG), grant/award no. 107847609: Kilimanjaro Research Group
Coverage:
Median Latitude: -3.214667 * Median Longitude: 37.407000 * South-bound Latitude: -3.390000 * West-bound Longitude: 37.240000 * North-bound Latitude: -3.050000 * East-bound Longitude: 37.680000
Minimum DEPTH, soil: 0.025 m * Maximum DEPTH, soil: 0.025 m
Event(s):
KiLi_cof1  * Latitude: -3.240000 * Longitude: 37.250000 * Location: Mount Kilimanjaro, Tanzania * Comment: POLETYPE: a middle pole; ECOSYTEM: coffee plantation
KiLi_cof2  * Latitude: -3.230000 * Longitude: 37.270000 * Location: Mount Kilimanjaro, Tanzania * Comment: POLETYPE: a middle pole; ECOSYTEM: coffee plantation
KiLi_cof3  * Latitude: -3.250000 * Longitude: 37.320000 * Location: Mount Kilimanjaro, Tanzania * Comment: POLETYPE: a middle pole; ECOSYTEM: coffee plantation
Comment:
δ15N measurements are conducted to get an indication of how open or tight N cyling of different ecosystems/ landuse systems are. The higher the δ15N value the more 15N enriched the samples are. In addition 13C data and SOC were measured.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
Event labelEventKiese, Ralf
PlotPlotKiese, Ralf
Layer descriptionLayerKiese, Ralf
Depth, soil, minimumDepth soil minmKiese, Ralf
Depth, soil, maximumDepth soil maxmKiese, Ralf
DEPTH, soilDepth soilmKiese, RalfGeocode
δ15N/14N ratioδ15N/14NKiese, RalfIsotope ratio mass spectrometer (IRMS)mean value for one plot
δ15N/14N ratio, standard errorδ15N/14N std e±Kiese, Ralf
Nitrogen, totalTN%Kiese, Ralfsee sample methodmean value for one plot
10 Nitrogen, standard errorN std e±Kiese, Ralf
11 δ12C/13C ratioδ12C/13CKiese, RalfIsotope ratio mass spectrometer (IRMS)mean value for one plot
12 δ12C/13C ratio, standard errorδ12C/13C std e±Kiese, Ralf
13 Organic carbon, soilSOC%Kiese, Ralfmean value for one plot
Size:
1320 data points

Data

Download dataset as tab-delimited text — use the following character encoding:


Event

Plot

Layer

Depth soil min [m]

Depth soil max [m]

Depth soil [m]

δ15N/14N

δ15N/14N std e [±]

TN [%]
10 
N std e [±]
11 
δ12C/13C
12 
δ12C/13C std e [±]
13 
SOC [%]
KiLi_cof1 cof1mineral soil00.050.0257.1304871150.1619540530.3809560250.021884923-25.652293880.2204464903.864122257
KiLi_cof1cof1litter00.050.0254.7568895200.4409924792.2555347490.235991854-28.603850640.28404378828.746837170
KiLi_cof2 cof2mineral soil00.050.0256.3693855250.3765817210.5224448680.022425915-20.080446120.2479045615.334770178
KiLi_cof2cof2litter00.050.0252.7828498440.1160790291.6407829790.207176194-24.393452050.98711656324.946981730
KiLi_cof3 cof3mineral soil00.050.0256.2773168740.2948068930.4112154360.033297374-25.174405530.2948493674.138434572
KiLi_cof3cof3litter00.050.0254.3983599640.5327840152.0216833470.224773559-27.919659100.46075850730.643102510
KiLi_cof4 cof4mineral soil00.050.0256.2227005100.2636457700.2383868750.024395302-24.285341240.3944035612.547038030
KiLi_cof4cof4litter00.050.0252.6831358580.2908720891.7081507230.081476142-27.212969280.23283356831.059852420
KiLi_cof5 cof5mineral soil00.050.0255.7695370130.3906941240.4436228160.033946634-23.663270020.4709845135.034116815
KiLi_cof5cof5litter00.050.0252.9121557110.4239280041.8310407800.251448660-28.386613910.37298501138.913101120
KiLi_fer0 fer0mineral soil00.050.0252.2875435960.4957697011.0172585870.092793427-25.047454720.14782513817.798499660
KiLi_fer0fer0litter00.050.025-4.1355622480.8574054741.0568241030.125889879-26.071991900.77665644246.760944450
KiLi_fer1 fer1mineral soil00.050.0250.0399237130.6933599461.5181630090.170178348-25.559741390.12851652131.935450300
KiLi_fer1fer1litter00.050.025-3.8342643450.3963886430.7925468810.066801208-26.348967390.37263288548.779459890
KiLi_fer2 fer2mineral soil00.050.0253.1809800020.6524523031.4878119190.127014263-25.130569290.45678550328.141992810
KiLi_fer2fer2litter00.050.025-2.6595022440.3271713060.9821916340.103171960-26.622740810.57984088949.187037010
KiLi_fer3 fer3mineral soil00.050.0251.1467057340.3048195841.6861102770.280061911-25.086924110.49828935832.153361590
KiLi_fer3fer3litter00.050.025-3.1408969040.6264371680.9948002330.174164981-24.524250090.47912991050.748721730
KiLi_fer4 fer4mineral soil00.050.0252.8921119820.6688647641.7247699240.116604863-25.227339130.29715412830.642022160
KiLi_fer4fer4litter00.050.025-3.5286412800.1520585820.8732698690.033824698-26.146663860.40084223552.287598940
KiLi_flm1 flm1mineral soil00.050.025-1.4695002351.1458133611.9285273410.154414855-27.582595560.73973613138.592634220
KiLi_flm1flm1litter00.050.025-4.1950053530.4442545481.3404335400.100438168-28.087047180.27939015744.243694830
KiLi_flm2 flm2mineral soil00.050.0251.5816751720.7478206712.0896958400.200421516-26.328635850.14728141828.592458230
KiLi_flm2flm2litter00.050.025-1.0397001270.2235387381.3928315750.086857458-27.735388420.16516491942.974583590
KiLi_flm3 flm3mineral soil00.050.0253.4838135780.2984017401.0440624870.062111263-27.039828160.11627178911.384639940
KiLi_flm3flm3litter00.050.025-0.5208816420.4386056271.6819378090.163257873-28.826021160.28131761043.637910610
KiLi_flm4 flm4mineral soil00.050.0253.3983392370.4160599110.8621201280.185171474-26.522160350.1565955459.628890348
KiLi_flm4flm4litter00.050.025-0.4771687820.2836287621.7042695120.106931037-28.623797000.33367133444.315385670
KiLi_flm6 flm6mineral soil00.050.0253.0222139820.2597692802.1282581650.151664206-26.177087120.20546365225.187341200
KiLi_flm6flm6litter00.050.025-1.1766607450.2161514501.8054839190.125343074-28.191905080.23050305845.440970360
KiLi_foc1 foc1mineral soil00.050.0250.9308847460.2287006522.8511171930.092720076-26.868656030.17866018939.501625090
KiLi_foc1foc1litter00.050.025-0.8746560820.1381908331.4867833390.129730160-28.273197030.19722654846.335632500
KiLi_foc2 foc2mineral soil00.050.0251.2878942980.6382776372.6632290390.313575601-26.245813340.14018256835.149022930
KiLi_foc2foc2litter00.050.025-2.0201851500.2282941021.4164296400.117374299-26.983403670.38143366947.590451860
KiLi_foc3 foc3mineral soil00.050.025-0.1079717220.9850861842.2919284830.248672276-25.815231020.62020864239.280844620
KiLi_foc3foc3litter00.050.025-2.1945516620.3586814441.2853399600.063166460-27.353142170.52583723546.165436510
KiLi_foc4 foc4mineral soil00.050.0250.1215071700.4178556623.1748204230.160451244-26.418565350.19129303145.417974980
KiLi_foc4foc4litter00.050.025-2.3959659050.1952460751.3734090040.039297106-27.752789100.17243442446.772241520
KiLi_foc5 foc5mineral soil00.050.0251.3917158560.5732839102.7245657960.235445047-26.806703780.29819933041.837622010
KiLi_foc5foc5litter00.050.025-1.7906612100.4572141081.2786826840.094833942-27.837341800.39483575547.262276880
KiLi_fod1 fod1mineral soil00.050.0251.3982651610.2364207872.1077851230.228522865-26.786479920.10518430227.081120310
KiLi_fod1fod1litter00.050.025-1.8371133860.1255714011.3698197510.055708439-26.364431050.48134363148.386650350
KiLi_fod2 fod2mineral soil00.050.0250.1775384870.8930149222.3512320630.233838660-25.978962970.30507306938.604675960
KiLi_fod2fod2litter00.050.025-1.7789814360.2181895411.4038566930.043973311-27.117109550.67972243747.995515430
KiLi_fod3 fod3mineral soil00.050.0250.7338036040.9030881841.4980371340.243912688-26.769181600.69219058628.931722670
KiLi_fod3fod3litter00.050.025-2.3070257180.3550674551.2394692160.118330456-27.282889570.65376666747.032379470
KiLi_fod4 fod4mineral soil00.050.0252.5454069110.5557892952.5257815340.178692307-26.237376260.33256580232.535468340
KiLi_fod4fod4litter00.050.025-0.1961955360.2709651671.5440495260.162173009-27.892650680.25761673446.943742470
KiLi_fod5 fod5mineral soil00.050.0251.4534976050.4718201602.5361170220.106977459-26.785034500.10451328333.024708010
KiLi_fod5fod5litter00.050.025-1.2251167270.2387194661.6583715360.116765241-28.278974970.22159876945.780411930
KiLi_fpd1 fpd1mineral soil00.050.0250.8056460790.6840522141.8493796740.139459296-26.456897570.14947042539.122442920
KiLi_fpd1fpd1litter00.050.025-3.1094079020.5643356671.0856620200.114526883-27.985704040.59328837445.130118990
KiLi_fpd2 fpd2mineral soil00.050.0252.1590028230.3306173241.7309069710.237758938-26.892045230.26131662134.684344750
KiLi_fpd2fpd2litter00.050.025-2.1705473080.3423923191.1831052750.111611963-27.776496480.89151401543.831205090
KiLi_fpd3 fpd3mineral soil00.050.0253.5346550270.3241849411.7518662840.099284735-24.112602590.88626306626.307856390
KiLi_fpd3fpd3litter00.050.025-2.7681512170.3268392371.3685023940.139075701-28.717105210.81219997543.076196470
KiLi_fpd4 fpd4mineral soil00.050.025-999999.000000000-999999.000000000-999999.000000000-999999.000000000-999999.00000000-999999.000000000-999999.000000000
KiLi_fpd4fpd4litter00.050.025-1.2382561330.6816836451.1857305990.152618098-28.454843510.59234517343.762681690
KiLi_fpd5 fpd5mineral soil00.050.0250.3700482900.3611152451.6271231440.049817458-24.561205500.48709830435.237888660
KiLi_fpd5fpd5litter00.050.025-3.2650490570.6064610221.2648611440.068877845-27.121905120.50964714642.030519810
KiLi_fpo1 fpo1mineral soil00.050.0252.5744452200.2748294032.1249075960.059486623-25.917490150.33274901834.833210100
KiLi_fpo1fpo1litter00.050.025-0.7722409810.2487776531.1835504490.059288476-26.421122750.61772944343.911740410
KiLi_fpo2 fpo2mineral soil00.050.0252.1312563230.8992405672.1754614800.185634204-26.637224180.24673928836.605261220
KiLi_fpo2fpo2litter00.050.025-0.9588017440.3180387521.2890407430.114901592-27.251083590.87160569445.731662340
KiLi_fpo3 fpo3mineral soil00.050.0252.1560547930.4077816722.3880357560.078839692-26.486103860.08798590140.657702420
KiLi_fpo3fpo3litter00.050.025-0.8352208080.2980893821.1429309780.122637937-26.814498780.44732776044.842695080
KiLi_fpo4 fpo4mineral soil00.050.0251.7889671170.4405506102.7761232050.210157270-27.024134560.15064203637.800579740
KiLi_fpo4fpo4litter00.050.025-0.5350605230.1652281191.7937918740.167896553-28.716321540.30571437245.054440980
KiLi_fpo5 fpo5mineral soil00.050.0250.0011835700.2356141532.6337607060.238935590-27.208858340.14927498634.972474770
KiLi_fpo5fpo5litter00.050.025-1.9027362580.2206428591.5807876500.090318201-27.749388330.64480126944.317580120
KiLi_gra1 gra1mineral soil00.050.0254.1093262770.3889062091.1125888050.088313087-23.269985361.35845309714.318802040
KiLi_gra1gra1litter00.050.0250.0858778580.7044075301.3119302080.222577176-22.545900282.86742597836.371269600
KiLi_gra2 gra2mineral soil00.050.0254.4218384580.1967726310.3925430350.077507757-18.836246620.9443761564.794794000
KiLi_gra2gra2litter00.050.0252.9205677010.5694322991.2185525890.218552589-18.735944292.68046391035.375974460
KiLi_gra3 gra3mineral soil00.050.0255.9349385060.5314632760.2482711230.036389722-15.775578740.7963827853.117354653
KiLi_gra3gra3litter00.050.0250.2504086190.5886919780.5437472570.026118266-17.263670361.66549762824.488999560
KiLi_gra4 gra4mineral soil00.050.0256.3313888260.5933847480.1498369420.017113068-18.120210290.6397128021.791939190
KiLi_gra4gra4litter00.050.025-1.3298880270.2641889020.5199077020.051254750-20.302687181.84513322228.854366200
KiLi_gra5 gra5mineral soil00.050.0254.2152294420.6689293140.1816015330.023377797-13.284526550.4117829382.413416103
KiLi_gra5gra5litter00.050.025-1.8447007920.6115904060.5630928310.055692782-16.420444401.68932993623.945546830
KiLi_hel1 hel1mineral soil00.050.0250.9339528990.3005469861.2976670670.064498237-25.703173020.11968092620.402974380
KiLi_hel1hel1litter00.050.025-1.8251442230.4506231801.1322694370.120184221-25.857319160.69719413838.116802320
KiLi_hel2 hel2mineral soil00.050.0251.2684538820.6265102850.4208946870.081356825-24.820746120.3225785475.812120980
KiLi_hel2hel2litter00.050.025-3.5365478660.0968044180.9975224660.120660586-26.633720010.32499863037.526749280
KiLi_hel3 hel3mineral soil00.050.0251.3745374220.6430538210.1546894050.064946194-24.108804490.6010390762.041563409
KiLi_hel3hel3litter00.050.025-5.0248598270.2699995940.6913768750.073168917-25.124154500.82135707139.400174430
KiLi_hel4 hel4mineral soil00.050.0251.9775446320.4705533590.0669455050.023742459-25.635526170.3491924260.737085094
KiLi_hel4hel4litter00.050.025-2.5320428390.2820665930.8024170070.115247392-26.862215910.10271852738.641183030
KiLi_hel5 hel5mineral soil00.050.0251.5628659751.1075690680.1406785520.056364659-24.811253900.6120788981.677181288
KiLi_hel5hel5litter00.050.025-1.9322980200.8496450311.0190533070.118405052-26.302826760.30366629437.109409050
KiLi_hom1 hom1mineral soil00.050.0254.4704807250.4452201610.9671662710.128699524-24.682111610.77686870011.121595310
KiLi_hom1hom1litter00.050.0252.2569977720.1385513481.5566685790.231061897-28.358773190.17102723326.731300260
KiLi_hom2 hom2mineral soil00.050.0257.6834232550.2293964090.3838104210.048997429-25.574004290.3426045774.302889974
KiLi_hom2hom2litter00.050.0256.0678435950.3323537141.3484368420.192192841-27.088038160.09070216723.314524410
KiLi_hom3 hom3mineral soil00.050.0253.9632867740.7265581290.6894567720.077453408-26.181441210.3066877889.183531358
KiLi_hom3hom3litter00.050.0252.0347529650.4368735961.4161913530.299497688-25.930653642.18468874722.256798660
KiLi_hom4 hom4mineral soil00.050.0256.5443975240.2754275680.4453491130.030598624-25.045550440.2146734654.782705233
KiLi_hom4hom4litter00.050.0254.5323790010.2336767331.5909893810.082154656-25.503063041.40952818622.948160990
KiLi_hom5 hom5mineral soil00.050.0257.1065494410.2764004550.3751561740.058146610-25.283918660.3297224664.009871511
KiLi_hom5hom5litter00.050.0254.6817246080.4861802261.4613301370.136395060-28.215996410.17351435230.881493340
KiLi_mai1 mai1mineral soil00.050.0255.9922593710.2341527820.1285733170.009389320-16.809595600.2301860791.490082634
KiLi_mai1mai1litter00.050.0252.6677550581.4534657060.4847604560.070538309-15.606388993.44978873739.816958760
KiLi_mai2 mai2mineral soil00.050.0256.8684737380.2153576220.1361823430.004120654-17.323436900.3232163801.655613909
KiLi_mai2mai2litter00.050.0254.0008366000.5680239501.0265958330.284238020-17.831105812.47242450837.287605420
KiLi_mai3 mai3mineral soil00.050.0257.8046074750.3500754570.2050797800.020453495-14.775100480.5225795552.434656486
KiLi_mai3mai3litter00.050.0254.4936955040.3030131641.3655859200.366725935-17.136087141.55863288527.339713990
KiLi_mai4 mai4mineral soil00.050.0256.6648118750.1981234670.1074693020.004041023-15.906102270.3906500871.252145666
KiLi_mai4mai4litter00.050.0253.0194138920.8611749221.2987802520.304864593-24.108784063.91048219236.313044620
KiLi_mai5 mai5mineral soil00.050.0256.9774755080.0810716640.1080955680.004150514-14.902338930.2176850821.228691854
KiLi_mai5mai5litter00.050.0254.0146135950.4336718781.3142116880.090311716-18.150197542.03517689638.010393770
KiLi_sav1 sav1mineral soil00.050.0254.4049116300.2469067920.3214085310.027125424-18.828630560.3220995794.290016048
KiLi_sav1sav1litter00.050.025-0.6292228530.4864615280.4539333160.018198213-20.161270691.86982750134.998385100
KiLi_sav2 sav2mineral soil00.050.0254.1104483590.5502598420.1817148710.022588324-15.653554161.2870607082.516097160
KiLi_sav2sav2litter00.050.025-0.4551403580.5219154980.5491077810.058815897-26.749380700.86483916637.861808220
KiLi_sav3 sav3mineral soil00.050.0253.5310796890.3494150540.3312872870.029406368-15.560140770.5129363614.462058899
KiLi_sav3sav3litter00.050.025-2.3771113430.5678628230.5974503810.029645791-17.189735312.10842615435.520721020
KiLi_sav4 sav4mineral soil00.050.0253.2003811750.2611380010.1636037070.010687756-999999.00000000-999999.000000000-999999.000000000
KiLi_sav4sav4litter00.050.025-3.1566666670.3521521140.6100000000.140475383-22.522122460.89146600539.175638690
KiLi_sav5 sav5mineral soil00.050.0254.7942354130.3343958040.2166482580.023233754-16.142523570.9047502892.829701232
KiLi_sav5sav5litter00.050.025-0.4621508160.7432599380.6707297650.120451505-15.498156220.98137336632.499970780