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Hou, Enqing (2017): Soil phosphorus fractions in global natural terrestrial ecosystems. South China Botanical Garden, PANGAEA, https://doi.org/10.1594/PANGAEA.883611

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Abstract:
Soil phosphorus (P) fractions are critical for understanding soil P dynamics and availability. This paper provides a global dataset of soil P fractions separated by the Hedley method. The dataset also includes key environmental factors associated with soil P dynamics and availability, including climate factors, vegetation, soil and parent material types, soil age, and soil physiochemical properties such as particle size, bulk density, pH in water, organic carbon, total nitrogen, and extractable iron and aluminium concentrations. This dataset includes measures of Hedley P fractions of 802 soil samples and was gathered through a literature survey of 99 published studies. Plant availability of each soil P fraction was noted. We anticipate that the global dataset will provide valuable information for studying soil P dynamics and availability, and it will be fused into earth system models to better predict how terrestrial ecosystems will respond to global environmental changes.
Related to:
Hou, Enqing; Chen, Chengrong; Luo, Yiqi; Zhou, Guoyi; Kuang, Yuanwen; Zhang, Yuguang; Heenan, Marijke; Lu, Xiankai; Wen, Dazhi (2018): Effects of climate on soil phosphorus cycle and availability in natural terrestrial ecosystems. Global Change Biology, https://doi.org/10.1111/gcb.14093
Hou, Enqing; Tan, Xiang; Heenan, Marijke; Wen, Dazhi (2018): A global dataset of plant available and unavailable phosphorus in natural soils derived by Hedley method. Scientific Data, 5, 180166, https://doi.org/10.1038/sdata.2018.166
Other version:
Coverage:
Median Latitude: 18.519498 * Median Longitude: 2.932587 * South-bound Latitude: -43.250000 * West-bound Longitude: -117.861000 * North-bound Latitude: 69.350000 * East-bound Longitude: 171.583300
Comment:
Version date: 2018-05-04
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1CodeCodeHou, Enqing
2Reference/sourceReferenceHou, Enqing
3CountryCountryHou, Enqing
4SiteSiteHou, Enqing
5LATITUDELatitudeHou, EnqingGeocode
6LONGITUDELongitudeHou, EnqingGeocode
7Temperature, annual meanMAT°CHou, EnqingOrigin data
8Precipitation, annual meanMAPmmHou, EnqingOrigin data
9ELEVATIONElevationm a.s.l.Hou, EnqingGeocode – Origin data
10SlopeSlopeHou, EnqingOrigin data
11Vegetation typeVegetation typeHou, EnqingOrigin data
12Stand age, descriptionStand ageHou, EnqingOrigin data
13Parent materialParent materialHou, Enqingorigin data
14Soil typeSoil typeHou, EnqingOrigin data
15Soil classification systemSoil classHou, EnqingOrigin data
16Age, soilSoil ageaHou, EnqingOrigin data
17CommentCommentHou, EnqingSite note
18Soil horizonSoil horiHou, EnqingOrigin data
19--Hou, EnqingFirst extract with water, origin data
20Phosphorus, inorganicP inorgmg/kgHou, EnqingResin, origin data
21Phosphorus, inorganicP inorgmg/kgHou, EnqingBicarbonate, origin data
22Phosphorus, inorganicP inorgmg/kgHou, EnqingFirst two (BicPi+W/R-Pi), origin data
23Phosphorus, organicP orgmg/kgHou, EnqingBicarbonate, origin data
24Phosphorus, inorganicP inorgmg/kgHou, EnqingHydroxide, origin data
25Phosphorus, organicP orgmg/kgHou, EnqingHydroxide, origin data
26PhosphorusPmg/kgHou, EnqingApatite, origin data
27Phosphorus, inorganicP inorgmg/kgHou, EnqingSonic, origin data
28Phosphorus, organicP orgmg/kgHou, EnqingSonic, origin data
29Phosphorus, inorganicP inorgmg/kgHou, EnqingConc.- HCl, origin data
30Phosphorus, organicP orgmg/kgHou, EnqingConc. -HCl, origin data
31PhosphorusPmg/kgHou, EnqingResidue, origin data
32Phosphorus, organicP orgmg/kgHou, EnqingTotal, origin data
33PhosphorusPmg/kgHou, EnqingSum of P fraction, origin data
34PhosphorusPmg/kgHou, EnqingTotal P measured separat, origin data
35CommentCommentHou, EnqingNotes about P fractions, origin data
36pHpHHou, EnqingOrigin data
37Carbon, organic, totalTOC%Hou, EnqingOrigin data
38Nitrogen, totalTN%Hou, EnqingOrigin data
39AluminiumAlmg/kgHou, EnqingDCB-Al, origin data
40IronFemg/kgHou, EnqingDCB-Al, origin data
41AluminiumAlmg/kgHou, EnqingOxalate, origin data
42IronFemg/kgHou, EnqingOxalate, origin data
43Density, dry bulkDBDg/cm3Hou, EnqingOrigin data
44TextureTextureHou, EnqingOrigin data
45SandSand%Hou, EnqingOrigin data
46SiltSilt%Hou, EnqingOrigin data
47Size fraction < 0.002 mm, clay<2 µm%Hou, EnqingOrigin data
48Method commentMethod commHou, EnqingFor soil particle size measurement, origin data
49PhosphorusPmg/kgHou, EnqingMicrobial biomass, origin data
50Latitude 2Latitude 2Hou, EnqingFor sites without Latitude, the data is obtained from the google earth using site name
51Longitude 2Longitude 2Hou, EnqingFor sites without Longitude, the data is obtained from the google earth using site name
52Temperature, annual meanMAT°CHou, EnqingMAT2, site mean annual tempature reported in the published studies. If no data was reported, the data was was coded from WordClim database
53Precipitation, annual meanMAPmmHou, EnqingMAP2, site mean annual precipitation reported in the published studies. If no data was reported, the data was was coded from WordClim database
54Aridity indexAridity indexHou, EnqingObtained from CGIAR-CSI
55Elevation 2Elev2m a.s.l.Hou, Enqingm a.s.l., Site altitude reported in the published studies. If no data was reported, the data was was coded from WordClim database
56Soil typeSoil typeHou, EnqingSoil type2, according to USDA soil classification
57Parent materialParent materialHou, EnqingParent material2
58Vegetation typeVegetation typeHou, EnqingVegetation type2, grouped into big groups
59SlopeSlopeHou, EnqingSlope2, slope expressed in percentage was transformed to data in degree
60DEPTH, soilDepth soilmHou, EnqingGeocode
61CommentCommentHou, Enqing
62CodeCodeHou, EnqingSoil depth code, 0: organic layer; 1: 0-10 cm; 2: 10-20 cm; 3: >20 cm; 4: mineral soil with unclear depth; 5: unclear
63PhosphorusPmg/kgHou, EnqingTotal P2, total, sum of P fractions. If sum of P fractions was not given or can't be calculated, then use total P concentration measured seperately.
64Phosphorus, inorganicP inorgmg/kgHou, EnqingAvailable, sum of HCO3Pi and resin Pi/water soluble Pi, or data of HCO3 Pi from studies in which 0.5 M NaHCO3 (pH 8.5) was used as the first extract (without a step of resin extract).
65Phosphorus, organicP orgmg/kgHou, EnqingSum of HCO3 Po and OH Po
66Phosphorus, inorganicP inorgmg/kgHou, EnqingPrimary P, HCI Pi
67Phosphorus, inorganicP inorgmg/kgHou, EnqingSecondary P, OH Pi
68PhosphorusPmg/kgHou, EnqingOccluded P, TP-sum(resin P, bicP, OHP, HClP)
Size:
32500 data points

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