Class information for:
Level 1: URSUS MARITIMUS//POLAR BEAR//POLAR BEARS

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
13992 735 45.1 47%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)


ID, lev.
above		 Publications Label for level above
601 13331 MARINE MAMMAL SCIENCE//SEA MAMMAL UNIT//MARINE MAMMAL

Terms with highest relevance score


Rank Term Type of term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 URSUS MARITIMUS Author keyword 115 58% 18% 132
2 POLAR BEAR Author keyword 67 43% 16% 117
3 POLAR BEARS Author keyword 26 51% 5% 37
4 DELPHINAPTERUS LEUCAS Author keyword 18 39% 5% 37
5 PHOCA HISPIDA Author keyword 15 49% 3% 23
6 ARCTIC COD Author keyword 13 55% 2% 16
7 PUSA HISPIDA Author keyword 11 69% 1% 9
8 NARWHAL Author keyword 9 41% 2% 18
9 MATERNAL DEN Author keyword 9 83% 1% 5
10 WESTERN HUDSON BAY Author keyword 9 83% 1% 5

Web of Science journal categories

Author Key Words


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class		 LCSH search Wikipedia search
1 URSUS MARITIMUS 115 58% 18% 132 Search URSUS+MARITIMUS Search URSUS+MARITIMUS
2 POLAR BEAR 67 43% 16% 117 Search POLAR+BEAR Search POLAR+BEAR
3 POLAR BEARS 26 51% 5% 37 Search POLAR+BEARS Search POLAR+BEARS
4 DELPHINAPTERUS LEUCAS 18 39% 5% 37 Search DELPHINAPTERUS+LEUCAS Search DELPHINAPTERUS+LEUCAS
5 PHOCA HISPIDA 15 49% 3% 23 Search PHOCA+HISPIDA Search PHOCA+HISPIDA
6 ARCTIC COD 13 55% 2% 16 Search ARCTIC+COD Search ARCTIC+COD
7 PUSA HISPIDA 11 69% 1% 9 Search PUSA+HISPIDA Search PUSA+HISPIDA
8 NARWHAL 9 41% 2% 18 Search NARWHAL Search NARWHAL
9 MATERNAL DEN 9 83% 1% 5 Search MATERNAL+DEN Search MATERNAL+DEN
10 WESTERN HUDSON BAY 9 83% 1% 5 Search WESTERN+HUDSON+BAY Search WESTERN+HUDSON+BAY

Key Words Plus


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 WESTERN HUDSON BAY 128 71% 14% 104
2 URSUS MARITIMUS 92 50% 18% 131
3 ICE FREE PERIOD 51 83% 4% 29
4 PHOCA HISPIDA 32 37% 9% 68
5 SOUTHERN BEAUFORT SEA 27 74% 3% 20
6 EASTERN BEAUFORT SEA 21 90% 1% 9
7 BREEDING HABITAT 18 47% 4% 28
8 AUTUMN MOVEMENTS 17 79% 1% 11
9 BELUGAS 12 63% 2% 12
10 POLAR COD 11 60% 2% 12

Journals

Reviews


Title Publ. year Cit. Active references % act. ref.
to same field
Effects of climate warming on polar bears: a review of the evidence 2012 31 81 70%
Can polar bears use terrestrial foods to offset lost ice-based hunting opportunities? 2015 3 42 69%
Quantifying the sensitivity of arctic marine mammals to climate-induced habitat change 2008 113 182 54%
Change in the Beaufort Sea ecosystem: Diverging trends in body condition and/or production in five marine vertebrate species 2015 4 57 40%
Predicting 21st-century polar bear habitat distribution from global climate models 2009 57 67 49%
Fish communities across a spectrum of habitats in the western Beaufort Sea and Chukchi Sea 2015 3 28 36%
Conservation and management of Canada's polar bears (Ursus maritimus) in a changing Arctic 2011 14 67 70%
POLAR BEAR DIETS AND ARCTIC MARINE FOOD WEBS: INSIGHTS FROM FATTY ACID ANALYSIS 2008 54 87 61%
A comparison of ringed and bearded seal diet, condition and productivity between historical (1975-1984) and recent (2003-2012) periods in the Alaskan Bering and Chukchi seas 2015 3 76 32%
Regional variability in food availability for arctic marine mammals 2008 87 61 20%

Address terms


Rank Address term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 CENT ARCTIC REG 2 16% 1.4% 10
2 OURCES WILDLIFE ECON DEV 2 15% 1.4% 10
3 CANADIAN FISHERIES OCEANS 1 40% 0.3% 2
4 MARINE MAMMALS MANAGEMENT 1 22% 0.5% 4
5 RUWPA 1 33% 0.3% 2
6 GREENLAND NAT OURCES 1 12% 0.8% 6
7 ARCT AQUAT 1 50% 0.1% 1
8 ARCTIC FISH ECOL ASSESSMENT SECT 1 50% 0.1% 1
9 BIOGEOSCIEQUIPE ECOL EVOLUT 1 50% 0.1% 1
10 CHUKCHI BRANCH 1 50% 0.1% 1

Related classes at same level (level 1)


Rank Relatedness score Related classes
1 0.0000271610 PACIFIC WALRUS//ODOBENUS ROSMARUS//WALRUS
2 0.0000194359 URSUS//URSUS ARCTOS//URSUS AMERICANUS
3 0.0000157087 PERINODAL ADIPOSE TISSUE//BLUBBER//FATTY ACID MOLECULAR STRUCTURE
4 0.0000151677 RHODOSTETHIA ROSEA//ROSSS GULL//PAGOPHILA EBURNEA
5 0.0000123102 ORGANOHALOGEN CONTAMINANTS//SECT CONTAMINANTS EFFECTS MARINE MAMMALS//MARINE MAMMALS
6 0.0000115477 MIROUNGA LEONINA//ANTARCTIC WILDLIFE UNIT//EUMETOPIAS JUBATUS
7 0.0000102542 TRADITIONAL ECOLOGICAL KNOWLEDGE//INUIT//TRADITIONAL ENVIRONMENTAL KNOWLEDGE
8 0.0000102181 HUMPBACK WHALE//MEGAPTERA NOVAEANGLIAE//RIGHT WHALE
9 0.0000077395 ARCTIC OCEAN//CANADA BASIN//ATLANTIC WATER
10 0.0000062886 ARCTIC ANTHROPOLOGY//MACKENZIE INUIT//THULE