Class information for:
Level 2: AMERICAN FERN JOURNAL//REVIEW OF PALAEOBOTANY AND PALYNOLOGY//FERNS

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
2725 1                   AMERICAN FERN JOURNAL//FERNS//PTERIDOPHYTES 2195
4834 1                   PALEOBOT//BENNETTITALES//REVIEW OF PALAEOBOTANY AND PALYNOLOGY 1744
6165 1                   PENNSYLVANIAN//REVIEW OF PALAEOBOTANY AND PALYNOLOGY//PALAEOBIOL PALAEOECOL 1549
9844 1                   CRYPTOSPORES//EARLY LAND PLANTS//CLADOXYLOPSIDA 1148
11773 1                   MIOSPORES//PARANA BASIN//PAGANZO BASIN 983
17008 1                   CERATOPTERIS//GAMETOPHYTE//CERATOPTERIS RICHARDII 649
26943 1                   ISOETES//ISOETACEAE//QUILLWORT 261
38684 1                   RAJMAHAL BASIN//RAJMAHAL FORMATION//CRYPTOTHALLUS MIRABILIS 56

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 AMERICAN FERN JOURNAL journal 1541788 6% 78% 542
2 REVIEW OF PALAEOBOTANY AND PALYNOLOGY journal 1145666 11% 33% 958
3 FERNS authKW 594327 3% 54% 298
4 PALEONTOLOGY WoSSC 460486 31% 5% 2689
5 PALEOBOT address 331767 2% 54% 168
6 PTERIDOPHYTES authKW 304539 2% 49% 170
7 FERN authKW 234843 2% 39% 165
8 PENNSYLVANIAN authKW 230280 2% 49% 129
9 PERMIAN authKW 221208 3% 21% 293
10 LYCOPSID authKW 197857 1% 88% 61

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Paleontology 460486 31% 5% 2689
2 Plant Sciences 136445 55% 1% 4718
3 Geology 18878 7% 1% 574
4 Geosciences, Multidisciplinary 10980 14% 0% 1204
5 Evolutionary Biology 7271 6% 0% 553
6 Geography, Physical 3106 3% 0% 298
7 Biodiversity Conservation 579 2% 0% 129
8 Ecology 440 4% 0% 319
9 Multidisciplinary Sciences 296 1% 0% 110
10 Biology 271 2% 0% 199

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PALEOBOT 331767 2% 54% 168
2 PRINGLE HERBARIUM 150521 0% 98% 42
3 GEO UMWELTWISSEN PALAONTOL GEOBIOL 128817 1% 68% 52
4 UNIV HERBARIUM 96211 1% 40% 65
5 CATEDRA PALINOL 94564 0% 66% 39
6 PALAEOBIOL PALAEOECOL 92232 0% 93% 27
7 NANJING GEOL PALAEONTOL 89603 2% 12% 205
8 FOR STELLE PALAOBOT 66879 0% 65% 28
9 ENVIRONM PLANT BIOL 60744 1% 18% 92
10 FOR UNGSSTELLE PALAOBOT 59921 0% 78% 21

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 AMERICAN FERN JOURNAL 1541788 6% 78% 542
2 REVIEW OF PALAEOBOTANY AND PALYNOLOGY 1145666 11% 33% 958
3 AMEGHINIANA 138284 2% 21% 178
4 INTERNATIONAL JOURNAL OF PLANT SCIENCES 97330 3% 11% 252
5 PALAEONTOGRAPHICA ABTEILUNG B-PALAOPHYTOLOGIE 82585 1% 45% 50
6 AMERICAN JOURNAL OF BOTANY 73533 4% 5% 384
7 BOTANICAL JOURNAL OF THE LINNEAN SOCIETY 36349 2% 6% 172
8 INTERNATIONAL JOURNAL OF COAL GEOLOGY 35781 2% 6% 158
9 PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 29284 3% 3% 252
10 BRITTONIA 23743 1% 6% 101

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 FERNS 594327 3% 54% 298 Search FERNS Search FERNS
2 PTERIDOPHYTES 304539 2% 49% 170 Search PTERIDOPHYTES Search PTERIDOPHYTES
3 FERN 234843 2% 39% 165 Search FERN Search FERN
4 PENNSYLVANIAN 230280 2% 49% 129 Search PENNSYLVANIAN Search PENNSYLVANIAN
5 PERMIAN 221208 3% 21% 293 Search PERMIAN Search PERMIAN
6 LYCOPSID 197857 1% 88% 61 Search LYCOPSID Search LYCOPSID
7 DRYOPTERIDACEAE 197540 1% 77% 70 Search DRYOPTERIDACEAE Search DRYOPTERIDACEAE
8 MIOSPORES 185313 1% 72% 70 Search MIOSPORES Search MIOSPORES
9 GAMETOPHYTE 173640 2% 34% 138 Search GAMETOPHYTE Search GAMETOPHYTE
10 PTERIDOPHYTA 170955 1% 55% 85 Search PTERIDOPHYTA Search PTERIDOPHYTA

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
1 725 BLUMEA//PLANT SCIENCES//BRITTONIA
2 300 PALEONTOLOGY//JOURNAL OF PALEONTOLOGY//ORDOVICIAN
3 3445 PTERIDIUM AQUILINUM//PTAQUILOSIDE//BRACKEN
4 1687 JOURNAL OF BRYOLOGY//BRYOLOGIST//CRYPTOGAMIE BRYOLOGIE
5 831 TRACE FOSSILS//GEOLOGY//SEDIMENTOLOGY
6 3536 PHYLLOTAXIS//CISSUS//LAMINA ROTATION
7 3289 CYCADS//BMAA//LATHYRUS SATIVUS
8 803 PALEONTOLOGY//JOURNAL OF VERTEBRATE PALEONTOLOGY//DINOSAURIA
9 1708 BRACONIDAE//AMBER//DAOHUGOU
10 3220 CARNIVOROUS PLANTS//BROMELIACEAE//NEPENTHES

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