Class information for:
Level 1: PENNSYLVANIAN//REVIEW OF PALAEOBOTANY AND PALYNOLOGY//PALAEOBIOL PALAEOECOL

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
11 4 ECOLOGY//ZOOLOGY//MARINE & FRESHWATER BIOLOGY 1214215
313 3       PALEONTOLOGY//JOURNAL OF PALEONTOLOGY//PALAEONTOLOGY 39731
1354 2             AMERICAN FERN JOURNAL//REVIEW OF PALAEOBOTANY AND PALYNOLOGY//FERNS 8585
6165 1                   PENNSYLVANIAN//REVIEW OF PALAEOBOTANY AND PALYNOLOGY//PALAEOBIOL PALAEOECOL 1549

Terms with highest relevance score



rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PENNSYLVANIAN authKW 1032927 7% 44% 116
2 REVIEW OF PALAEOBOTANY AND PALYNOLOGY journal 767809 21% 11% 333
3 PALAEOBIOL PALAEOECOL address 511424 2% 93% 27
4 CATHAYSIAN FLORA authKW 470942 2% 93% 25
5 LYCOPSID authKW 425734 2% 55% 38
6 COAL BALL authKW 404083 2% 83% 24
7 CARBONIFEROUS authKW 387575 9% 14% 134
8 PTERIDOSPERMS authKW 379302 2% 55% 34
9 IN SITU SPORES authKW 356436 2% 60% 29
10 MEDULLOSALES authKW 346931 1% 95% 18

Web of Science journal categories



chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Paleontology 195108 48% 1% 742
2 Plant Sciences 16554 45% 0% 703
3 Geology 10909 12% 0% 183
4 Geosciences, Multidisciplinary 5845 23% 0% 359
5 Geography, Physical 1019 5% 0% 71
6 Energy & Fuels 533 7% 0% 107
7 Evolutionary Biology 285 3% 0% 50
8 Multidisciplinary Sciences 41 1% 0% 18
9 Biodiversity Conservation 15 1% 0% 11
10 Engineering, Petroleum 8 0% 0% 5

Address terms



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PALAEOBIOL PALAEOECOL 511424 2% 93% 27
2 BIO ERS SYSTEMAT BIOL 191860 3% 22% 43
3 UMR BOT BIOINFORMAT 124610 0% 88% 7
4 DASTIETZ 99686 0% 70% 7
5 FOR UNGSSTELLE PALAOBOT 91162 1% 41% 11
6 PALAEOBIO ERS 81379 0% 100% 4
7 STATE SYSTEMAT EVOLUTIONARY BOT LSB 81379 0% 100% 4
8 KENTUCKY GEOL SURVEY 81347 1% 20% 20
9 BOT BIOINFORMAT ARCHITECTURE PLANTES 62298 0% 44% 7
10 BIOL ECOL RURAL SCI 61035 0% 100% 3

Journals



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 REVIEW OF PALAEOBOTANY AND PALYNOLOGY 767809 21% 11% 333
2 INTERNATIONAL JOURNAL OF COAL GEOLOGY 79937 6% 4% 100
3 PALAEONTOGRAPHICA ABTEILUNG B-PALAOPHYTOLOGIE 46894 1% 14% 16
4 BULLETIN OF GEOSCIENCES 37745 2% 7% 28
5 INTERNATIONAL JOURNAL OF PLANT SCIENCES 34845 4% 3% 64
6 AMERICAN JOURNAL OF BOTANY 19073 5% 1% 83
7 GEOLOGIA CROATICA 18868 1% 7% 13
8 BOTANICAL GAZETTE 17315 2% 3% 26
9 PALAEONTOLOGY 13115 2% 2% 37
10 PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 12963 5% 1% 71

Author Key Words



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 PENNSYLVANIAN 1032927 7% 44% 116 Search PENNSYLVANIAN Search PENNSYLVANIAN
2 CATHAYSIAN FLORA 470942 2% 93% 25 Search CATHAYSIAN+FLORA Search CATHAYSIAN+FLORA
3 LYCOPSID 425734 2% 55% 38 Search LYCOPSID Search LYCOPSID
4 COAL BALL 404083 2% 83% 24 Search COAL+BALL Search COAL+BALL
5 CARBONIFEROUS 387575 9% 14% 134 Search CARBONIFEROUS Search CARBONIFEROUS
6 PTERIDOSPERMS 379302 2% 55% 34 Search PTERIDOSPERMS Search PTERIDOSPERMS
7 IN SITU SPORES 356436 2% 60% 29 Search IN+SITU+SPORES Search IN+SITU+SPORES
8 MEDULLOSALES 346931 1% 95% 18 Search MEDULLOSALES Search MEDULLOSALES
9 PERMIAN 241726 8% 9% 130 Search PERMIAN Search PERMIAN
10 NOEGGERATHIALES 223793 1% 100% 11 Search NOEGGERATHIALES Search NOEGGERATHIALES

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 4834 PALEOBOT//BENNETTITALES//REVIEW OF PALAEOBOTANY AND PALYNOLOGY
2 9844 CRYPTOSPORES//EARLY LAND PLANTS//CLADOXYLOPSIDA
3 11773 MIOSPORES//PARANA BASIN//PAGANZO BASIN
4 26943 ISOETES//ISOETACEAE//QUILLWORT
5 10630 MISSISSIPPIAN//VISEAN//SERPUKHOVIAN
6 10906 CALCRETE//PEDOGENIC CARBONATE//PALEOSOLS
7 24501 BARKINITE//ALIPHATIC CHAIN LENGTH//CICASI
8 1900 JOURNAL OF SEDIMENTARY RESEARCH//SEDIMENTOLOGY//BULLETIN OF CANADIAN PETROLEUM GEOLOGY
9 2675 INTERNATIONAL JOURNAL OF COAL GEOLOGY//COAL//MINERALS IN COAL
10 2563 PERMIAN TRIASSIC BOUNDARY//PERMIAN//EARLY TRIASSIC

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