Class information for:
Level 1: URSUS MARITIMUS//POLAR BEAR//ODOBENUS ROSMARUS

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
276 3       MARINE MAMMAL SCIENCE//ZOOLOGY//JOURNAL OF HERPETOLOGY 43567
560 2             MARINE MAMMAL SCIENCE//SEA MAMMAL UNIT//MARINE MAMMAL 15003
9963 1                   URSUS MARITIMUS//POLAR BEAR//ODOBENUS ROSMARUS 1135

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 URSUS MARITIMUS authKW 2816420 14% 65% 157
2 POLAR BEAR authKW 2492331 16% 49% 182
3 ODOBENUS ROSMARUS authKW 521379 2% 72% 26
4 WALRUS authKW 500125 3% 49% 37
5 DELPHINAPTERUS LEUCAS authKW 416694 4% 37% 41
6 PACIFIC WALRUS authKW 408155 2% 70% 21
7 ARCTIC journal 375269 13% 9% 143
8 ODOBENUS ROSMARUS DIVERGENS authKW 374112 1% 84% 16
9 RINGED SEAL authKW 361770 4% 32% 41
10 BEAUFORT SEA authKW 335102 5% 23% 52

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Biodiversity Conservation 19010 20% 0% 229
2 Ecology 14208 40% 0% 457
3 Zoology 8758 29% 0% 326
4 Geography, Physical 6936 13% 0% 152
5 Marine & Freshwater Biology 5011 20% 0% 225
6 Oceanography 2201 10% 0% 116
7 Environmental Sciences 1602 20% 0% 222
8 Fisheries 409 4% 0% 46
9 Evolutionary Biology 300 4% 0% 43
10 Biology 63 3% 0% 32

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ALASKA SCI 243081 8% 10% 88
2 MARINE MAMMALS MANAGEMENT 151357 1% 42% 13
3 MARINE MAMMALS MANAGEMENT OFF 142798 1% 86% 6
4 CHUKOTKA BRANCH 77125 0% 56% 5
5 NORTH SLOPE BOROUGH 62473 0% 75% 3
6 F HWATER 55695 4% 4% 45
7 ESTAC EXPT CULTIVOS MARINOS ACUICULTURA 55533 0% 100% 2
8 OURCES WILDLIFE ECON DEV 42701 1% 15% 10
9 MARINE MAMMAL 38676 3% 4% 32
10 ARCTIC MARINE MAMMAL PROGRAM 37021 0% 67% 2

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ARCTIC 375269 13% 9% 143
2 POLAR BIOLOGY 137788 12% 4% 140
3 MARINE MAMMAL SCIENCE 71688 6% 4% 72
4 CANADIAN JOURNAL OF ZOOLOGY 16126 6% 1% 70
5 POLAR RESEARCH 14423 2% 3% 20
6 CANADIAN FIELD-NATURALIST 11959 3% 1% 32
7 MARINE ECOLOGY PROGRESS SERIES 4622 4% 0% 50
8 URSUS 4477 1% 2% 7
9 JOURNAL OF ZOOLOGY 3516 2% 0% 26
10 CANADIAN JOURNAL OF ZOOLOGY-REVUE CANADIENNE DE ZOOLOGIE 2621 1% 1% 12

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 URSUS MARITIMUS 2816420 14% 65% 157 Search URSUS+MARITIMUS Search URSUS+MARITIMUS
2 POLAR BEAR 2492331 16% 49% 182 Search POLAR+BEAR Search POLAR+BEAR
3 ODOBENUS ROSMARUS 521379 2% 72% 26 Search ODOBENUS+ROSMARUS Search ODOBENUS+ROSMARUS
4 WALRUS 500125 3% 49% 37 Search WALRUS Search WALRUS
5 DELPHINAPTERUS LEUCAS 416694 4% 37% 41 Search DELPHINAPTERUS+LEUCAS Search DELPHINAPTERUS+LEUCAS
6 PACIFIC WALRUS 408155 2% 70% 21 Search PACIFIC+WALRUS Search PACIFIC+WALRUS
7 ODOBENUS ROSMARUS DIVERGENS 374112 1% 84% 16 Search ODOBENUS+ROSMARUS+DIVERGENS Search ODOBENUS+ROSMARUS+DIVERGENS
8 RINGED SEAL 361770 4% 32% 41 Search RINGED+SEAL Search RINGED+SEAL
9 BEAUFORT SEA 335102 5% 23% 52 Search BEAUFORT+SEA Search BEAUFORT+SEA
10 PHOCA HISPIDA 333174 2% 50% 24 Search PHOCA+HISPIDA Search PHOCA+HISPIDA

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
1 522 PINNIPED//MIROUNGA LEONINA//MARINE MAMMAL SCIENCE
2 5079 MARINE MAMMALS//ORGANOCHLORINES//ARCTIC ENVIRONM
3 8827 URSUS ARCTOS//URSUS//URSUS AMERICANUS
4 8868 INUIT//TRADITIONAL ECOLOGICAL KNOWLEDGE//ARCTIC
5 4166 HUMPBACK WHALE//MEGAPTERA NOVAEANGLIAE//RIGHT WHALE
6 2515 ARCTIC OCEAN//CHUKCHI SEA//JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
7 29265 SITE SPECIFIC PROPERTIES//PERINODAL ADIPOSE TISSUE//OBES REVERSAL
8 22580 CAPELIN//MALLOTUS VILLOSUS//BARENTS SEA
9 21603 ARCTIC ANTHROPOLOGY//THULE//PEARY MACMILLAN ARCTIC MUSEUM
10 3570 KILLER WHALE//ORCINUS ORCA//MARINE MAMMAL PROGRAM

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