Class information for:
Level 1: TUNDRA//ARCTIC TUNDRA//SHRUB EXPANSION

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
188 3       JOURNAL OF GLACIOLOGY//GEOGRAPHY, PHYSICAL//COLD REGIONS SCIENCE AND TECHNOLOGY 55694
2226 2             TREELINE//TUNDRA//ARCTIC ANTARCTIC AND ALPINE RESEARCH 5068
2834 1                   TUNDRA//ARCTIC TUNDRA//SHRUB EXPANSION 2166

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 TUNDRA authKW 1042803 9% 38% 188
2 ARCTIC TUNDRA authKW 440733 3% 48% 63
3 SHRUB EXPANSION authKW 286477 1% 62% 32
4 ITEX authKW 270317 1% 77% 24
5 ARCTIC ANTARCTIC AND ALPINE RESEARCH journal 257584 6% 13% 140
6 TUNDRA VEGETATION authKW 193972 1% 67% 20
7 TUSSOCK TUNDRA authKW 175183 1% 71% 17
8 ARCTIC authKW 168019 10% 5% 215
9 CASSIOPE TETRAGONA authKW 150076 1% 74% 14
10 PL ALPINE ECOL address 138196 1% 50% 19

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Ecology 44185 51% 0% 1106
2 Environmental Sciences 9663 33% 0% 717
3 Biodiversity Conservation 9488 10% 0% 226
4 Geography, Physical 8377 11% 0% 232
5 Plant Sciences 5695 23% 0% 507
6 Forestry 3033 7% 0% 149
7 Remote Sensing 1518 4% 0% 83
8 Geography 1461 4% 0% 87
9 Meteorology & Atmospheric Sciences 1361 8% 0% 166
10 Soil Science 952 4% 0% 92

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PL ALPINE ECOL 138196 1% 50% 19
2 AN SEVERTSOV EVOLUTIONARY MORPHOL ANIM ECOL 132261 0% 91% 10
3 ARCTIC BIOL 130251 6% 7% 138
4 ALASKA GEOBOT 125739 1% 79% 11
5 GLOBAL CHANGE GRP 110188 1% 26% 29
6 MAORI INDIGENOUS PLANNING DEV 107130 0% 82% 9
7 ECOSYST 101689 5% 7% 103
8 PERMAFROST CENPERM 70980 1% 20% 24
9 SHEFFIELD ARCTIC ECOL 67876 1% 33% 14
10 ARCTIC 65635 3% 7% 68

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ARCTIC ANTARCTIC AND ALPINE RESEARCH 257584 6% 13% 140
2 ARCTIC AND ALPINE RESEARCH 95507 3% 9% 74
3 GLOBAL CHANGE BIOLOGY 59768 6% 3% 134
4 HOLARCTIC ECOLOGY 53831 2% 9% 43
5 ALPINE BOTANY 30972 1% 15% 14
6 ENVIRONMENTAL RESEARCH LETTERS 26087 3% 3% 65
7 JOURNAL OF VEGETATION SCIENCE 23934 3% 2% 67
8 JOURNAL OF ECOLOGY 21318 3% 2% 74
9 ECOSYSTEMS 19846 2% 3% 47
10 PLANT ECOLOGY & DIVERSITY 19793 1% 6% 23

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 TUNDRA 1042803 9% 38% 188 Search TUNDRA Search TUNDRA
2 ARCTIC TUNDRA 440733 3% 48% 63 Search ARCTIC+TUNDRA Search ARCTIC+TUNDRA
3 SHRUB EXPANSION 286477 1% 62% 32 Search SHRUB+EXPANSION Search SHRUB+EXPANSION
4 ITEX 270317 1% 77% 24 Search ITEX Search ITEX
5 TUNDRA VEGETATION 193972 1% 67% 20 Search TUNDRA+VEGETATION Search TUNDRA+VEGETATION
6 TUSSOCK TUNDRA 175183 1% 71% 17 Search TUSSOCK+TUNDRA Search TUSSOCK+TUNDRA
7 ARCTIC 168019 10% 5% 215 Search ARCTIC Search ARCTIC
8 CASSIOPE TETRAGONA 150076 1% 74% 14 Search CASSIOPE+TETRAGONA Search CASSIOPE+TETRAGONA
9 INTERNATIONAL TUNDRA EXPERIMENT 130940 0% 100% 9 Search INTERNATIONAL+TUNDRA+EXPERIMENT Search INTERNATIONAL+TUNDRA+EXPERIMENT
10 BETULA NANA 95469 1% 35% 19 Search BETULA+NANA Search BETULA+NANA

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 23569 SKI RUNS//SKI PISTE//HERB CHRONOLOGY
2 10781 TREELINE//ALPINE TREELINE//TIMBERLINE
3 2339 PERMAFROST//PERMAFROST AND PERIGLACIAL PROCESSES//ACTIVE LAYER
4 30809 OVIBOS MOSCHATUS//MUSKOXEN//MUSKOX
5 19016 SOIL FROST//SOIL FREEZING//WINTER CLIMATE CHANGE
6 4521 PHENOLOGY//LEAF UNFOLDING//LAND SURFACE PHENOLOGY
7 24487 SAXIFRAGACEAE//SAXIFRAGA//SAXIFRAGA OPPOSITIFOLIA
8 20302 FEATHER MOSSES//NIFH//ACETYLENE REDUCTION
9 17643 ORGANIC NITROGEN//SOIL AMINO ACIDS//ORGANIC N
10 9543 RANGIFER TARANDUS CARIBOU//WOODLAND CARIBOU//RANGIFER TARANDUS

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