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

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
6171 1518 42.9 64%


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
50 3       ANAEROBIC DIGESTION//MICROBIAL FUEL CELL//WATER SCIENCE AND TECHNOLOGY 91931
1599 2             METHANOTROPHS//METHANE OXIDATION//METHANE EMISSION 7152
6171 1                   METHANE EMISSION//RICE PADDY//PADDY SOIL 1518

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 METHANE EMISSION authKW 866778 10% 28% 152
2 RICE PADDY authKW 389219 4% 32% 60
3 PADDY SOIL authKW 383884 6% 19% 98
4 CH4 EMISSION authKW 312036 2% 48% 32
5 PADDY FIELD authKW 216684 4% 16% 68
6 CH4 PRODUCTION authKW 206276 1% 51% 20
7 SOIL SCI MICROBIOL address 191062 1% 50% 19
8 RICE SOIL authKW 190441 2% 38% 25
9 RICE FIELD authKW 168093 3% 17% 50
10 JIANGSU LOW CARBON AGR GHGS MITIGAT address 158928 1% 44% 18

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 50449 34% 0% 522
2 Environmental Sciences 9390 38% 0% 581
3 Microbiology 2218 17% 0% 258
4 Agriculture, Multidisciplinary 1447 7% 0% 103
5 Ecology 1283 11% 0% 171
6 Agronomy 1188 8% 0% 121
7 Meteorology & Atmospheric Sciences 1173 8% 0% 128
8 Plant Sciences 1083 13% 0% 198
9 Geosciences, Multidisciplinary 557 8% 0% 123
10 Biodiversity Conservation 332 3% 0% 38

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 SOIL SCI MICROBIOL 191062 1% 50% 19
2 JIANGSU LOW CARBON AGR GHGS MITIGAT 158928 1% 44% 18
3 SOIL BIOL CHEM 134066 1% 33% 20
4 BK PROGRAM 21 52550 1% 13% 20
5 LVEC 45255 0% 75% 3
6 STATE SOIL SUSTAINABLE AGR 43766 4% 3% 63
7 SOIL MICROBIOL 40188 1% 9% 22
8 SHONAI BRANCH 35753 0% 44% 4
9 MULTICROPPING CULTIVAT FARMING SYST 26817 0% 67% 2
10 CROP PHYSIOL ECOL 22612 1% 13% 9

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 NUTRIENT CYCLING IN AGROECOSYSTEMS 104453 6% 6% 91
2 SOIL SCIENCE AND PLANT NUTRITION 87770 8% 4% 117
3 FEMS MICROBIOLOGY ECOLOGY 28675 5% 2% 77
4 BIOLOGY AND FERTILITY OF SOILS 27926 5% 2% 70
5 AGRICULTURE ECOSYSTEMS & ENVIRONMENT 19273 5% 1% 74
6 GLOBAL BIOGEOCHEMICAL CYCLES 14821 3% 2% 40
7 PADDY AND WATER ENVIRONMENT 11901 1% 3% 18
8 SOIL BIOLOGY & BIOCHEMISTRY 9216 4% 1% 63
9 BIOGEOCHEMISTRY 6529 2% 1% 28
10 GLOBAL CHANGE BIOLOGY 6307 2% 1% 36

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 METHANE EMISSION 866778 10% 28% 152 Search METHANE+EMISSION Search METHANE+EMISSION
2 RICE PADDY 389219 4% 32% 60 Search RICE+PADDY Search RICE+PADDY
3 PADDY SOIL 383884 6% 19% 98 Search PADDY+SOIL Search PADDY+SOIL
4 CH4 EMISSION 312036 2% 48% 32 Search CH4+EMISSION Search CH4+EMISSION
5 PADDY FIELD 216684 4% 16% 68 Search PADDY+FIELD Search PADDY+FIELD
6 CH4 PRODUCTION 206276 1% 51% 20 Search CH4+PRODUCTION Search CH4+PRODUCTION
7 RICE SOIL 190441 2% 38% 25 Search RICE+SOIL Search RICE+SOIL
8 RICE FIELD 168093 3% 17% 50 Search RICE+FIELD Search RICE+FIELD
9 GLOBAL WARMING POTENTIAL 157596 4% 14% 56 Search GLOBAL+WARMING+POTENTIAL Search GLOBAL+WARMING+POTENTIAL
10 INTERMITTENT IRRIGATION 156018 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.


Rank Reference # ref. in
cl.		 Shr. of ref. in
cl.		 Citations
1 MALYAN, SK , BHATIA, A , KUMAR, A , GUPTA, DK , SINGH, R , KUMAR, SS , TOMER, R , KUMAR, O , JAIN, N , (2016) METHANE PRODUCTION, OXIDATION AND MITIGATION: A MECHANISTIC UNDERSTANDING AND COMPREHENSIVE EVALUATION OF INFLUENCING FACTORS.SCIENCE OF THE TOTAL ENVIRONMENT. VOL. 572. ISSUE . P. 874 -896 170 64% 1
2 CONRAD, R , (2007) MICROBIAL ECOLOGY OF METHANOGENS AND METHANOTROPHS.ADVANCES IN AGRONOMY, VOL 96. VOL. 96. ISSUE . P. 1 -63 181 62% 119
3 HUSSAIN, S , PENG, SB , FAHAD, S , KHALIQ, A , HUANG, JL , CUI, KH , NIE, LX , (2015) RICE MANAGEMENT INTERVENTIONS TO MITIGATE GREENHOUSE GAS EMISSIONS: A REVIEW.ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH. VOL. 22. ISSUE 5. P. 3342 -3360 89 67% 15
4 CONRAD, R , (2002) CONTROL OF MICROBIAL METHANE PRODUCTION IN WETLAND RICE FIELDS.NUTRIENT CYCLING IN AGROECOSYSTEMS. VOL. 64. ISSUE 1-2. P. 59 -69 91 86% 86
5 HAYASHI, K , TOKIDA, T , KAJIURA, M , YANAI, Y , YANO, M , (2015) CROPLAND SOIL-PLANT SYSTEMS CONTROL PRODUCTION AND CONSUMPTION OF METHANE AND NITROUS OXIDE AND THEIR EMISSIONS TO THE ATMOSPHERE.SOIL SCIENCE AND PLANT NUTRITION. VOL. 61. ISSUE 1. P. 2 -33 118 45% 5
6 LE MER, J , ROGER, P , (2001) PRODUCTION, OXIDATION, EMISSION AND CONSUMPTION OF METHANE BY SOILS: A REVIEW.EUROPEAN JOURNAL OF SOIL BIOLOGY. VOL. 37. ISSUE 1. P. 25 -50 102 49% 523
7 AULAKH, MS , WASSMANN, R , RENNENBERG, H , (2001) METHANE EMISSIONS FROM RICE FIELDS - QUANTIFICATION, MECHANISMS, ROLE OF MANAGEMENT, AND MITIGATION OPTIONS.ADVANCES IN AGRONOMY, VOL 70. VOL. 70. ISSUE . P. 193 -260 111 63% 43
8 LINQUIST, BA , ADVIENTO-BORBE, MA , PITTELKOW, CM , VAN KESSEL, C , VAN GROENIGEN, KJ , (2012) FERTILIZER MANAGEMENT PRACTICES AND GREENHOUSE GAS EMISSIONS FROM RICE SYSTEMS: A QUANTITATIVE REVIEW AND ANALYSIS.FIELD CROPS RESEARCH. VOL. 135. ISSUE . P. 10 -21 64 70% 50
9 JAIN, N , PATHAK, H , MITRA, S , BHATIA, A , (2004) EMISSION OF METHANE FROM RICE FIELDS - A REVIEW.JOURNAL OF SCIENTIFIC & INDUSTRIAL RESEARCH. VOL. 63. ISSUE 2. P. 101-115 72 86% 14
10 CHENG, K , OGLE, SM , PARTON, WJ , PAN, GX , (2013) PREDICTING METHANOGENESIS FROM RICE PADDIES USING THE DAYCENT ECOSYSTEM MODEL.ECOLOGICAL MODELLING. VOL. 261. ISSUE . P. 19 -31 54 78% 5

Classes with closest relation at Level 1


Rank Class id link
1 3003 METHANOTROPHS//METHANE OXIDATION//PMOA
2 253 NITROUS OXIDE//N2O EMISSION//DENITRIFICATION
3 9497 ATMOSPHERIC METHANE//AEROBIC METHANE EMISSION//METHANE TRENDS
4 6230 SYNTROPHIC ACETATE OXIDATION//ANAEROBIC DIGESTION//INTERSPECIES HYDROGEN TRANSFER
5 451 PEATLAND//SPHAGNUM//BOG
6 18006 DEEP BIOSPHERE//GEOMICROBIOL//GEOMICROBIOL GRP
7 27195 IRON TOXICITY//BRONZING//FE TOXICITY
8 7567 LAKE METABOLISM//ALLOCHTHONY//THEMAT STUDIES WATER ENVIRONM STUDIES
9 14596 SUSTAINABLE YIELD INDEX//FARMYARD MANURE//LONG TERM FERTILIZATION
10 12613 QUEFTS//NITRATE LEACHING//LEAF COLOR CHART

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