Class information for:
Level 1: METHANE EMISSION//RICE PADDY//PADDY SOIL

Basic class information
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
3 4 GEOSCIENCES, MULTIDISCIPLINARY//GEOCHEMISTRY & GEOPHYSICS//METEOROLOGY & ATMOSPHERIC SCIENCES 1953906
16 3       METEOROLOGY & ATMOSPHERIC SCIENCES//ATMOSPHERIC ENVIRONMENT//JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 126179
825 2             NITROUS OXIDE//GREENHOUSE GASES//N2O EMISSION 12066
6598 1                   METHANE EMISSION//RICE PADDY//PADDY SOIL 1495

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 METHANE EMISSION authKW 876255 10% 27% 153
2 RICE PADDY authKW 422468 4% 32% 63
3 PADDY SOIL authKW 378960 7% 18% 98
4 CH4 EMISSION authKW 368861 2% 50% 35
5 PADDY FIELD authKW 271653 5% 17% 76
6 SOIL SCI MICROBIOL address 216183 1% 51% 20
7 RICE SOIL authKW 212654 2% 39% 26
8 CH4 PRODUCTION authKW 205636 1% 49% 20
9 GLOBAL WARMING POTENTIAL authKW 194356 4% 14% 64
10 RICE FIELD authKW 184978 3% 17% 52

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Soil Science 55052 36% 0% 539
2 Environmental Sciences 10654 41% 0% 617
3 Agriculture, Multidisciplinary 1858 8% 0% 115
4 Agronomy 1471 9% 0% 132
5 Ecology 1367 12% 0% 176
6 Meteorology & Atmospheric Sciences 1348 9% 0% 135
7 Microbiology 1326 14% 0% 203
8 Plant Sciences 1130 13% 0% 200
9 Geosciences, Multidisciplinary 558 8% 0% 122
10 Biodiversity Conservation 334 3% 0% 38

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SOIL SCI MICROBIOL 216183 1% 51% 20
2 JIANGSU LOW CARBON AGR GHGS MITIGAT 172929 1% 43% 19
3 SOIL BIOL CHEM 138201 1% 33% 20
4 BK PROGRAM 21 59175 1% 13% 21
5 SOIL MICROBIOL 47948 2% 9% 24
6 STATE SOIL SUSTAINABLE AGR 44946 4% 3% 65
7 LVEC 37941 0% 60% 3
8 SHONAI BRANCH 37471 0% 44% 4
9 MULTICROPPING CULTIVAT FARMING SYST 28105 0% 67% 2
10 AGR SYST CLUSTER 21950 0% 21% 5

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 NUTRIENT CYCLING IN AGROECOSYSTEMS 113605 6% 6% 94
2 SOIL SCIENCE AND PLANT NUTRITION 102268 8% 4% 124
3 BIOLOGY AND FERTILITY OF SOILS 26524 4% 2% 67
4 AGRICULTURE ECOSYSTEMS & ENVIRONMENT 21609 5% 1% 78
5 FEMS MICROBIOLOGY ECOLOGY 18507 4% 1% 61
6 GLOBAL BIOGEOCHEMICAL CYCLES 18487 3% 2% 46
7 PADDY AND WATER ENVIRONMENT 15823 1% 4% 21
8 SOIL BIOLOGY & BIOCHEMISTRY 9495 4% 1% 63
9 GLOBAL CHANGE BIOLOGY 6558 2% 1% 37
10 BIOGEOCHEMISTRY 5772 2% 1% 26

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 METHANE EMISSION 876255 10% 27% 153 Search METHANE+EMISSION Search METHANE+EMISSION
2 RICE PADDY 422468 4% 32% 63 Search RICE+PADDY Search RICE+PADDY
3 PADDY SOIL 378960 7% 18% 98 Search PADDY+SOIL Search PADDY+SOIL
4 CH4 EMISSION 368861 2% 50% 35 Search CH4+EMISSION Search CH4+EMISSION
5 PADDY FIELD 271653 5% 17% 76 Search PADDY+FIELD Search PADDY+FIELD
6 RICE SOIL 212654 2% 39% 26 Search RICE+SOIL Search RICE+SOIL
7 CH4 PRODUCTION 205636 1% 49% 20 Search CH4+PRODUCTION Search CH4+PRODUCTION
8 GLOBAL WARMING POTENTIAL 194356 4% 14% 64 Search GLOBAL+WARMING+POTENTIAL Search GLOBAL+WARMING+POTENTIAL
9 RICE FIELD 184978 3% 17% 52 Search RICE+FIELD Search RICE+FIELD
10 INTERMITTENT IRRIGATION 163512 1% 48% 16 Search INTERMITTENT+IRRIGATION Search INTERMITTENT+IRRIGATION

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.

Classes with closest relation at Level 1


rank cluster_id2 link
1 1916 PEATLAND//PEATLAND ECOL GRP//FEN
2 145 NITROUS OXIDE//N2O EMISSION//DENITRIFICATION
3 7672 METHANOTROPHS//PMOA//METHYLOSINUS TRICHOSPORIUM OB3B
4 35282 AEROBIC METHANE//AEROBIC METHANE EMISSION//NAVY AVIAT MED
5 11697 SYSTEM OF RICE INTENSIFICATION//PADDY AND WATER ENVIRONMENT//ALTERNATE WETTING AND DRYING
6 12720 ICE CLIMATE//ICE CORE//GLACIOL GEOPHYS ENVIRONM
7 5832 ANAEROBIC DIGESTION//SYNTROPHIC ACETATE OXIDATION//DIRECT INTERSPECIES ELECTRON TRANSFER
8 26454 IRON TOXICITY//FE TOXICITY//BRONZING
9 14106 QUEFTS//INT PLANT NUTR IPNI CHINA PROGRAM//OURCES ENVIRONM FOOD SECUR
10 26960 PROTEIN SIP//SOIL METAPROTEOMICS//METAPROTEOMICS

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