Class information for:
Level 2: ELEVATED CO2//CO2 ENRICHMENT//ELEVATED CARBON DIOXIDE

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
25 3       FORESTRY//FOREST ECOLOGY AND MANAGEMENT//CANADIAN JOURNAL OF FOREST RESEARCH-REVUE CANADIENNE DE RECHERCHE FORESTIERE 117839
2210 2             ELEVATED CO2//CO2 ENRICHMENT//ELEVATED CARBON DIOXIDE 5147
156 1                   ELEVATED CO2//CO2 ENRICHMENT//ELEVATED CARBON DIOXIDE 4152
16705 1                   ENVIRONM BIOL LIFE SUPPORT TECHNOL//CLOSED ECOLOGICAL SYSTEMS//BIOSPHERE 2 665
31494 1                   GROWTH STANDARD CONDITIONS//PLANT GROWTH EQUATION//AIRLIE HOUSE 165
36875 1                   C DAVAZAMCII//NORTHEAST CHINA TRANSECT//SONGNEN PLAIN 91
37902 1                   CANOPY CHAMBER//CANOPY CO2 AND H2O GAS EXCHANGE//CARBON UTILIZATION ENZYMES 74

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ELEVATED CO2 authKW 3484952 18% 61% 934
2 CO2 ENRICHMENT authKW 717780 4% 56% 210
3 ELEVATED CARBON DIOXIDE authKW 374795 2% 56% 109
4 FREE AIR CO2 ENRICHMENT FACE authKW 250429 1% 65% 63
5 FREE AIR CO2 ENRICHMENT authKW 247544 1% 66% 61
6 GLOBAL CHANGE BIOLOGY journal 179616 7% 8% 358
7 GLOBAL CHANGE authKW 175222 5% 11% 263
8 PHOTOSYNTHETIC ACCLIMATION authKW 174235 1% 46% 62
9 ENVIRONM BIOL LIFE SUPPORT TECHNOL address 169772 1% 62% 45
10 FACE authKW 140668 4% 11% 213

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Plant Sciences 41413 40% 0% 2039
2 Ecology 21924 24% 0% 1235
3 Agronomy 11970 13% 0% 680
4 Forestry 11174 8% 0% 437
5 Biodiversity Conservation 10892 7% 1% 377
6 Soil Science 7856 8% 0% 392
7 Environmental Sciences 5767 18% 0% 909
8 Engineering, Aerospace 5596 5% 0% 268
9 Meteorology & Atmospheric Sciences 3083 7% 0% 386
10 Horticulture 1185 3% 0% 140

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ENVIRONM BIOL LIFE SUPPORT TECHNOL 169772 1% 62% 45
2 CROP SYST GLOBAL CHANGE 75898 1% 26% 47
3 INT JOINT AEROSP BIOTECHNOL MED ENGN 74992 0% 49% 25
4 CLIMATE ST S 72163 1% 35% 34
5 MINIST AGR AGROENVIRONM CLIMATE CHANGE 55093 0% 100% 9
6 RANGELAND OURCES UNIT 53663 1% 24% 37
7 CIENCIAS FARM 52377 0% 34% 25
8 ECOL PHYSIOL FO T TREES 52015 0% 50% 17
9 US WATER CONSERVAT 42067 1% 20% 34
10 GRASSLAND SOIL WATER 38855 1% 12% 52

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 GLOBAL CHANGE BIOLOGY 179616 7% 8% 358
2 PLANT CELL AND ENVIRONMENT 54291 4% 4% 214
3 TREE PHYSIOLOGY 41666 3% 4% 156
4 PHOTOSYNTHETICA 33405 3% 4% 130
5 NEW PHYTOLOGIST 26081 4% 2% 204
6 ADVANCES IN SPACE RESEARCH 26038 4% 2% 206
7 ENVIRONMENTAL AND EXPERIMENTAL BOTANY 23024 2% 4% 107
8 PLANT AND SOIL 14630 3% 1% 172
9 OECOLOGIA 10894 3% 1% 143
10 AGRICULTURAL AND FOREST METEOROLOGY 9739 2% 2% 83

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 ELEVATED CO2 3484952 18% 61% 934 Search ELEVATED+CO2 Search ELEVATED+CO2
2 CO2 ENRICHMENT 717780 4% 56% 210 Search CO2+ENRICHMENT Search CO2+ENRICHMENT
3 ELEVATED CARBON DIOXIDE 374795 2% 56% 109 Search ELEVATED+CARBON+DIOXIDE Search ELEVATED+CARBON+DIOXIDE
4 FREE AIR CO2 ENRICHMENT FACE 250429 1% 65% 63 Search FREE+AIR+CO2+ENRICHMENT+FACE Search FREE+AIR+CO2+ENRICHMENT+FACE
5 FREE AIR CO2 ENRICHMENT 247544 1% 66% 61 Search FREE+AIR+CO2+ENRICHMENT Search FREE+AIR+CO2+ENRICHMENT
6 GLOBAL CHANGE 175222 5% 11% 263 Search GLOBAL+CHANGE Search GLOBAL+CHANGE
7 PHOTOSYNTHETIC ACCLIMATION 174235 1% 46% 62 Search PHOTOSYNTHETIC+ACCLIMATION Search PHOTOSYNTHETIC+ACCLIMATION
8 FACE 140668 4% 11% 213 Search FACE Search FACE
9 ELEVATED ATMOSPHERIC CO2 123927 1% 56% 36 Search ELEVATED+ATMOSPHERIC+CO2 Search ELEVATED+ATMOSPHERIC+CO2
10 BIOSPHERE 2 122409 1% 67% 30 Search BIOSPHERE+2 Search BIOSPHERE+2

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 2


rank cluster_id2 link
1 263 PHOTOINHIBITION//CHLOROPHYLL FLUORESCENCE//PHOTOSYNTHESIS
2 1478 CROP MODEL//FIELD CROPS RESEARCH//AGRONOMY
3 908 OZONE//ENVIRONMENTAL POLLUTION//BIOMONITORING
4 1598 ALLOMETRIC EQUATIONS//CARBON SEQUESTRATION//CARBON STOCKS
5 1685 SAP FLOW//TREE PHYSIOLOGY//TRANSPIRATION
6 435 SOIL SCIENCE//SOIL RESPIRATION//SOIL ORGANIC CARBON
7 382 FORESTRY//FOREST ECOLOGY AND MANAGEMENT//CANADIAN JOURNAL OF FOREST RESEARCH-REVUE CANADIENNE DE RECHERCHE FORESTIERE
8 2294 C 4 PHOTOSYNTHESIS//CRASSULACEAN ACID METABOLISM//PHOSPHOENOLPYRUVATE CARBOXYLASE
9 2151 CARBON ISOTOPE DISCRIMINATION//GEOGRAPHICAL ORIGIN//SNIF NMR
10 1878 GREENHOUSE//HORTICULTURE//LIGHT QUALITY

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