Class information for:
Level 1: GROSS NITRIFICATION//NITRIFICATION//N 15 TRACING

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
7687 1339 39.3 60%


Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
4 4 ENVIRONMENTAL SCIENCES//GEOSCIENCES, MULTIDISCIPLINARY//METEOROLOGY & ATMOSPHERIC SCIENCES 1766162
65 3       SOIL SCIENCE//SOIL SCIENCE SOCIETY OF AMERICA JOURNAL//GEODERMA 84825
80 2             SOIL SCIENCE//SOIL BIOLOGY & BIOCHEMISTRY//SOIL RESPIRATION 27332
7687 1                   GROSS NITRIFICATION//NITRIFICATION//N 15 TRACING 1339

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 GROSS NITRIFICATION authKW 262211 2% 50% 23
2 NITRIFICATION authKW 260040 16% 5% 219
3 N 15 TRACING authKW 227229 1% 59% 17
4 N 15 POOL DILUTION authKW 189420 1% 46% 18
5 GROSS N TRANSFORMATION authKW 186212 1% 58% 14
6 BIOLOGICAL NITRIFICATION INHIBITION authKW 162153 1% 89% 8
7 GROSS N MINERALIZATION authKW 161385 1% 37% 19
8 SOIL BIOLOGY & BIOCHEMISTRY journal 144387 17% 3% 233
9 N MINERALIZATION authKW 143200 4% 11% 57
10 BIOLOGICAL NITRIFICATION INHIBITION BNI authKW 139666 1% 88% 7

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 Soil Science 138587 60% 1% 809
2 Agronomy 5963 18% 0% 242
3 Forestry 4556 11% 0% 141
4 Plant Sciences 2930 22% 0% 288
5 Ecology 1675 13% 0% 180
6 Environmental Sciences 690 13% 0% 168
7 Geosciences, Multidisciplinary 94 4% 0% 57
8 Chemistry, Analytical 61 4% 0% 60
9 Agriculture, Multidisciplinary 47 2% 0% 22
10 Biodiversity Conservation 5 1% 0% 7

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 PLANT ECOL IFZ 79803 1% 50% 7
2 UNIT AGROIMPACT 68409 0% 100% 3
3 SECT MOL MICROBIAL ECOL 52118 0% 57% 4
4 DEP SOIL MICROBIOL 45606 0% 100% 2
5 ISOFYS 29309 0% 21% 6
6 CROP PROD ENVIRONM 25148 1% 14% 8
7 ADV RADIOANALYT CHEM 22803 0% 100% 1
8 AGR BIOTECHNOL NAT 22803 0% 100% 1
9 AIR LAND STRATEG POLICY BRANCH 22803 0% 100% 1
10 AQUAT TERR INTERACT GRP 22803 0% 100% 1

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 SOIL BIOLOGY & BIOCHEMISTRY 144387 17% 3% 233
2 PLANT AND SOIL 38358 11% 1% 142
3 BIOLOGY AND FERTILITY OF SOILS 29015 5% 2% 67
4 SOIL SCIENCE SOCIETY OF AMERICA JOURNAL 16460 6% 1% 82
5 BIOGEOCHEMISTRY 12962 3% 2% 37
6 COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS 9955 4% 1% 55
7 REVUE D ECOLOGIE ET DE BIOLOGIE DU SOL 5003 1% 2% 10
8 FOREST ECOLOGY AND MANAGEMENT 4878 4% 0% 50
9 JOURNAL OF SOILS AND SEDIMENTS 4398 1% 1% 17
10 CANADIAN JOURNAL OF FOREST RESEARCH-REVUE CANADIENNE DE RECHERCHE FORESTIERE 4335 2% 1% 31

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 GROSS NITRIFICATION 262211 2% 50% 23 Search GROSS+NITRIFICATION Search GROSS+NITRIFICATION
2 NITRIFICATION 260040 16% 5% 219 Search NITRIFICATION Search NITRIFICATION
3 N 15 TRACING 227229 1% 59% 17 Search N+15+TRACING Search N+15+TRACING
4 N 15 POOL DILUTION 189420 1% 46% 18 Search N+15+POOL+DILUTION Search N+15+POOL+DILUTION
5 GROSS N TRANSFORMATION 186212 1% 58% 14 Search GROSS+N+TRANSFORMATION Search GROSS+N+TRANSFORMATION
6 BIOLOGICAL NITRIFICATION INHIBITION 162153 1% 89% 8 Search BIOLOGICAL+NITRIFICATION+INHIBITION Search BIOLOGICAL+NITRIFICATION+INHIBITION
7 GROSS N MINERALIZATION 161385 1% 37% 19 Search GROSS+N+MINERALIZATION Search GROSS+N+MINERALIZATION
8 N MINERALIZATION 143200 4% 11% 57 Search N+MINERALIZATION Search N+MINERALIZATION
9 BIOLOGICAL NITRIFICATION INHIBITION BNI 139666 1% 88% 7 Search BIOLOGICAL+NITRIFICATION+INHIBITION+BNI Search BIOLOGICAL+NITRIFICATION+INHIBITION+BNI
10 NITROGEN MINERALIZATION 126466 4% 10% 56 Search NITROGEN+MINERALIZATION Search NITROGEN+MINERALIZATION

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.


Rank Reference # ref.
in cl.		 Shr. of ref. in
cl.		 Citations
1 MURPHY, DV , RECOUS, S , STOCKDALE, EA , FILLERY, IRP , JENSEN, LS , HATCH, DJ , GOULDING, KWT , (2003) GROSS NITROGEN FLUXES IN SOIL: THEORY, MEASUREMENT AND APPLICATION OF N-15 POOL DILUTION TECHNIQUES.ADVANCES IN AGRONOMY, VOL 79. VOL. 79. ISSUE . P. 69-118 69 56% 135
2 BOOTH, MS , STARK, JM , RASTETTER, E , (2005) CONTROLS ON NITROGEN CYCLING IN TERRESTRIAL ECOSYSTEMS: A SYNTHETIC ANALYSIS OF LITERATURE DATA.ECOLOGICAL MONOGRAPHS. VOL. 75. ISSUE 2. P. 139-157 43 48% 374
3 WANG, J , CHENG, Y , ZHANG, JB , MULLER, C , CAI, ZC , (2016) SOIL GROSS NITROGEN TRANSFORMATIONS ALONG A SECONDARY SUCCESSION TRANSECT IN THE NORTH SUBTROPICAL FOREST ECOSYSTEM OF SOUTHWEST CHINA.GEODERMA. VOL. 280. ISSUE . P. 88 -95 32 63% 0
4 WANG, J , ZHANG, JB , MULLER, C , CAI, ZC , (2017) TEMPERATURE SENSITIVITY OF GROSS N TRANSFORMATION RATES IN AN ALPINE MEADOW ON THE QINGHAI-TIBETAN PLATEAU.JOURNAL OF SOILS AND SEDIMENTS. VOL. 17. ISSUE 2. P. 423 -431 25 74% 0
5 CHENG, Y , CAI, YJ , WANG, SQ , (2016) YAK AND TIBETAN SHEEP DUNG RETURN ENHANCE SOIL N SUPPLY AND RETENTION IN TWO ALPINE GRASSLANDS IN THE QINGHAI-TIBETAN PLATEAU.BIOLOGY AND FERTILITY OF SOILS. VOL. 52. ISSUE 3. P. 413 -422 28 67% 0
6 SMOLANDER, A , KANERVA, S , ADAMCZYK, B , KITUNEN, V , (2012) NITROGEN TRANSFORMATIONS IN BOREAL FOREST SOILS-DOES COMPOSITION OF PLANT SECONDARY COMPOUNDS GIVE ANY EXPLANATIONS?.PLANT AND SOIL. VOL. 350. ISSUE 1-2. P. 1 -26 50 37% 23
7 ZHANG, JB , MULLER, C , ZHU, TB , CHENG, Y , CAI, ZC , (2011) HETEROTROPHIC NITRIFICATION IS THE PREDOMINANT NO3- PRODUCTION MECHANISM IN CONIFEROUS BUT NOT BROAD-LEAF ACID FOREST SOIL IN SUBTROPICAL CHINA.BIOLOGY AND FERTILITY OF SOILS. VOL. 47. ISSUE 5. P. 533-542 30 67% 9
8 ZHAO, W , CAI, ZC , XU, ZH , (2015) NET AND GROSS N TRANSFORMATION RATES IN SUBTROPICAL FOREST SOILS UNDER AEROBIC AND ANAEROBIC CONDITIONS.JOURNAL OF SOILS AND SEDIMENTS. VOL. 15. ISSUE 1. P. 96 -105 27 64% 1
9 WANG, J , WANG, L , FENG, XJ , HU, HF , CAI, ZC , MULLER, C , ZHANG, JB , (2016) SOIL N TRANSFORMATIONS AND ITS CONTROLLING FACTORS IN TEMPERATE GRASSLANDS IN CHINA: A STUDY FROM N-15 TRACING EXPERIMENT TO LITERATURE SYNTHESIS.JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES. VOL. 121. ISSUE 12. P. 2949 -2959 30 56% 0
10 HARRISON, DJ , MAYNARD, DG , (2014) NITROGEN MINERALIZATION ASSESSMENT USING PRS (TM) PROBES (ION-EXCHANGE MEMBRANES) AND SOIL EXTRACTIONS IN FERTILIZED AND UNFERTILIZED PINE AND SPRUCE SOILS.CANADIAN JOURNAL OF SOIL SCIENCE. VOL. 94. ISSUE 1. P. 21 -34 26 65% 3

Classes with closest relation at Level 1


Rank Class id link
1 13639 MODELING KNOWLEDGE TRANSFER//SOIL SCIENCE//POTENTIALLY MINERALIZABLE N
2 6310 NITROGEN SATURATION//N SATURATION//NITROGEN DEPOSITION
3 17474 ORGANIC NITROGEN//SOIL AMINO ACIDS//ORGANIC N
4 9063 SOIL BIOLOGY & BIOCHEMISTRY//MICROBIAL BIOMASS//FUMIGATION EXTRACTION
5 27220 SOIL FROST//WINTER CLIMATE CHANGE//SOIL FREEZING
6 10267 WHOLE TREE HARVESTING//SOIL COMPACTION//LONG TERM SOIL PRODUCTIVITY
7 1999 LITTER DECOMPOSITION//LITTER QUALITY//LITTERBAGS
8 253 NITROUS OXIDE//N2O EMISSION//DENITRIFICATION
9 17187 DELTA N 15//NATURAL N 15 ABUNDANCE//N 15 NATURAL ABUNDANCE
10 18861 ADDED N INTERACTION//N 15 LABELLED FERTILIZER//FERTILIZER N UPTAKE

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