Class information for:
Level 1: ELEVATED CO2//CO2 ENRICHMENT//ELEVATED CARBON DIOXIDE

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
153 4111 47.0 73%


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 PLANT SCIENCES//AGRONOMY//FOOD SCIENCE & TECHNOLOGY 1882812
60 3       FORESTRY//FOREST ECOLOGY AND MANAGEMENT//CANADIAN JOURNAL OF FOREST RESEARCH-REVUE CANADIENNE DE RECHERCHE FORESTIERE 87011
285 2             ELEVATED CO2//TREE PHYSIOLOGY//STOMATAL CONDUCTANCE 18933
153 1                   ELEVATED CO2//CO2 ENRICHMENT//ELEVATED CARBON DIOXIDE 4111

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 ELEVATED CO2 authKW 4128383 22% 61% 909
2 CO2 ENRICHMENT authKW 835915 5% 55% 203
3 ELEVATED CARBON DIOXIDE authKW 454552 3% 57% 107
4 FREE AIR CO2 ENRICHMENT authKW 300537 1% 69% 59
5 FREE AIR CO2 ENRICHMENT FACE authKW 290534 1% 65% 60
6 GLOBAL CHANGE BIOLOGY journal 228332 9% 9% 355
7 GLOBAL CHANGE authKW 227229 6% 12% 264
8 PHOTOSYNTHETIC ACCLIMATION authKW 190626 1% 44% 58
9 FACE authKW 171894 5% 11% 210
10 FREE AIR CARBON DIOXIDE ENRICHMENT FACE authKW 140287 1% 82% 23

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 Plant Sciences 44591 46% 0% 1879
2 Ecology 18768 25% 0% 1011
3 Biodiversity Conservation 13429 9% 1% 370
4 Forestry 12505 10% 0% 410
5 Agronomy 10099 14% 0% 559
6 Soil Science 9076 9% 0% 375
7 Environmental Sciences 5592 19% 0% 784
8 Agriculture, Multidisciplinary 875 3% 0% 141
9 Horticulture 533 2% 0% 87
10 Meteorology & Atmospheric Sciences 392 3% 0% 142

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 CROP SYST GLOBAL CHANGE 101771 1% 29% 48
2 CLIMATE ST S 92778 1% 36% 35
3 MINIST AGR AGROENVIRONM CLIMATE CHANGE 66833 0% 100% 9
4 CIENCIAS FARM 53780 1% 32% 23
5 US WATER CONSERVAT 51043 1% 20% 34
6 ECOL PHYSIOL FO T TREES 50614 0% 45% 15
7 FO T ENVIRONM OURCES 47352 1% 21% 30
8 RANGELAND OURCES UNIT 46900 1% 20% 31
9 GRASSLAND SOIL WATER 45638 1% 12% 50
10 SOIL DYNAM 40760 1% 14% 40

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 GLOBAL CHANGE BIOLOGY 228332 9% 9% 355
2 PLANT CELL AND ENVIRONMENT 65731 5% 4% 211
3 TREE PHYSIOLOGY 53137 4% 5% 158
4 NEW PHYTOLOGIST 33138 5% 2% 205
5 PHOTOSYNTHETICA 30264 3% 4% 111
6 ENVIRONMENTAL AND EXPERIMENTAL BOTANY 23228 2% 3% 96
7 PLANT AND SOIL 17701 4% 1% 170
8 OECOLOGIA 12469 3% 1% 138
9 AUSTRALIAN JOURNAL OF PLANT PHYSIOLOGY 12241 1% 3% 52
10 AGRICULTURAL AND FOREST METEOROLOGY 9000 2% 2% 71

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 ELEVATED CO2 4128383 22% 61% 909 Search ELEVATED+CO2 Search ELEVATED+CO2
2 CO2 ENRICHMENT 835915 5% 55% 203 Search CO2+ENRICHMENT Search CO2+ENRICHMENT
3 ELEVATED CARBON DIOXIDE 454552 3% 57% 107 Search ELEVATED+CARBON+DIOXIDE Search ELEVATED+CARBON+DIOXIDE
4 FREE AIR CO2 ENRICHMENT 300537 1% 69% 59 Search FREE+AIR+CO2+ENRICHMENT Search FREE+AIR+CO2+ENRICHMENT
5 FREE AIR CO2 ENRICHMENT FACE 290534 1% 65% 60 Search FREE+AIR+CO2+ENRICHMENT+FACE Search FREE+AIR+CO2+ENRICHMENT+FACE
6 GLOBAL CHANGE 227229 6% 12% 264 Search GLOBAL+CHANGE Search GLOBAL+CHANGE
7 PHOTOSYNTHETIC ACCLIMATION 190626 1% 44% 58 Search PHOTOSYNTHETIC+ACCLIMATION Search PHOTOSYNTHETIC+ACCLIMATION
8 FACE 171894 5% 11% 210 Search FACE Search FACE
9 FREE AIR CARBON DIOXIDE ENRICHMENT FACE 140287 1% 82% 23 Search FREE+AIR+CARBON+DIOXIDE+ENRICHMENT+FACE Search FREE+AIR+CARBON+DIOXIDE+ENRICHMENT+FACE
10 ELEVATED ATMOSPHERIC CO2 138425 1% 55% 34 Search ELEVATED+ATMOSPHERIC+CO2 Search ELEVATED+ATMOSPHERIC+CO2

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 AINSWORTH, EA , LONG, SP , (2005) WHAT HAVE WE LEARNED FROM 15 YEARS OF FREE-AIR CO2 ENRICHMENT (FACE)? A META-ANALYTIC REVIEW OF THE RESPONSES OF PHOTOSYNTHESIS, CANOPY.NEW PHYTOLOGIST. VOL. 165. ISSUE 2. P. 351 -371 151 86% 1292
2 DRAKE, BG , GONZALEZMELER, MA , LONG, SP , (1997) MORE EFFICIENT PLANTS: A CONSEQUENCE OF RISING ATMOSPHERIC CO2?.ANNUAL REVIEW OF PLANT PHYSIOLOGY AND PLANT MOLECULAR BIOLOGY. VOL. 48. ISSUE . P. 609 -639 156 84% 999
3 LONG, SP , AINSWORTH, EA , ROGERS, A , ORT, DR , (2004) RISING ATMOSPHERIC CARBON DIOXIDE: PLANTS FACE THE FUTURE.ANNUAL REVIEW OF PLANT BIOLOGY. VOL. 55. ISSUE . P. 591 -628 152 75% 729
4 RUNION, GB , KRUPA, SV , ROGERS, HH , (1994) PLANT-RESPONSES TO ATMOSPHERIC CO2 ENRICHMENT WITH EMPHASIS ON ROOTS AND THE RHIZOSPHERE.ENVIRONMENTAL POLLUTION. VOL. 83. ISSUE 1-2. P. 155 -189 165 78% 447
5 NORBY, RJ , WULLSCHLEGER, SD , GUNDERSON, CA , JOHNSON, DW , CEULEMANS, R , (1999) TREE RESPONSES TO RISING CO2 IN FIELD EXPERIMENTS: IMPLICATIONS FOR THE FUTURE FOREST.PLANT CELL AND ENVIRONMENT. VOL. 22. ISSUE 6. P. 683 -714 124 86% 460
6 KORNER, C , (2006) PLANT CO2 RESPONSES: AN ISSUE OF DEFINITION, TIME AND RESOURCE SUPPLY.NEW PHYTOLOGIST. VOL. 172. ISSUE 3. P. 393 -411 110 80% 262
7 SAXE, H , ELLSWORTH, DS , HEATH, J , (1998) TREE AND FOREST FUNCTIONING IN AN ENRICHED CO2 ATMOSPHERE.NEW PHYTOLOGIST. VOL. 139. ISSUE 3. P. 395 -436 152 64% 471
8 LEAKEY, ADB , AINSWORTH, EA , BERNACCHI, CJ , ROGERS, A , LONG, SP , ORT, DR , (2009) ELEVATED CO2 EFFECTS ON PLANT CARBON, NITROGEN, AND WATER RELATIONS: SIX IMPORTANT LESSONS FROM FACE.JOURNAL OF EXPERIMENTAL BOTANY. VOL. 60. ISSUE 10. P. 2859 -2876 91 65% 408
9 KORNER, C , (2000) BIOSPHERE RESPONSES TO CO2 ENRICHMENT.ECOLOGICAL APPLICATIONS. VOL. 10. ISSUE 6. P. 1590 -1619 143 70% 256
10 KIMBALL, BA , KOBAYASHI, K , BINDI, M , (2002) RESPONSES OF AGRICULTURAL CROPS TO FREE-AIR CO2 ENRICHMENT.ADVANCES IN AGRONOMY, VOL 77. VOL. 77. ISSUE . P. 293 -368 86 91% 434

Classes with closest relation at Level 1


Rank Class id link
1 17344 ELEVATED CO2//STATE INTEGRATED MANAGEMENT PEST RODENT//INSECT PERFORMANCE INDICES
2 11817 STEM RESPIRATION//MAINTENANCE RESPIRATION//STEM PHOTOSYNTHESIS
3 35902 CANOPY CHAMBER//ALLOPLASMIC FORMS//APPRESSED AND SPREADING TYPE
4 15271 STOMATAL DENSITY//STOMATAL INDEX//STOMATAL DEVELOPMENT
5 5695 MESOPHYLL CONDUCTANCE//INTERNAL CONDUCTANCE//STOMATAL CONDUCTANCE
6 8142 JORNADA BASIN LONG TERM ECOL PROGRAM//PRECIPITATION MANIPULATION//RAINOUT SHELTER
7 18314 RHIZODEPOSITION//C 14 PULSE LABELLING//C 14 PULSE LABELING
8 9936 INT CLIMATE GLOBAL CHANGE//LPJ GUESS//DGVM
9 204 OZONE//AOT40//OZONE FLUX
10 35365 C 14 PHOTOSYNTHATES//CACHE RIVER ARKANSAS//CARBON POOL SIZE

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