Class information for:
Level 1: BALLAST WATER//BALLAST WATER TREATMENT//BALLAST WATER EXCHANGE

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
34 3       MARINE & FRESHWATER BIOLOGY//JOURNAL OF EXPERIMENTAL MARINE BIOLOGY AND ECOLOGY//CRUSTACEANA 112187
1953 2             ASCIDIAN//TUNICATE//BALLAST WATER 6100
17685 1                   BALLAST WATER//BALLAST WATER TREATMENT//BALLAST WATER EXCHANGE 615

Terms with highest relevance score



rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 BALLAST WATER authKW 5734476 31% 59% 191
2 BALLAST WATER TREATMENT authKW 1240126 5% 73% 33
3 BALLAST WATER EXCHANGE authKW 953950 4% 85% 22
4 BALLAST WATER MANAGEMENT authKW 673173 3% 77% 17
5 MID OCEAN EXCHANGE authKW 465867 2% 91% 10
6 SHIPS BALLAST WATER authKW 263547 1% 86% 6
7 BALLAST MANAGEMENT authKW 204982 1% 100% 4
8 BALLAST WATER CONVENTION authKW 204982 1% 100% 4
9 DOMESTIC SHIPPING authKW 204982 1% 100% 4
10 UV AG TIO2 O 3 PROCESS authKW 204982 1% 100% 4

Web of Science journal categories



chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Marine & Freshwater Biology 12221 41% 0% 253
2 Environmental Sciences 3493 37% 0% 228
3 Oceanography 3068 16% 0% 99
4 Engineering, Marine 2122 3% 0% 21
5 Biodiversity Conservation 1484 8% 0% 48
6 Ecology 1403 18% 0% 110
7 Limnology 710 4% 0% 26
8 Fisheries 463 6% 0% 35
9 Engineering, Environmental 442 7% 0% 45
10 Engineering, Ocean 261 2% 0% 11

Address terms



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 GREAT LAKES FISHERIES AQUAT SCI 164443 5% 11% 29
2 STRONG ELECT FIELD IONIZAT DI ARGE LIAO 106756 1% 42% 5
3 GREAT LAKES ENVIRONM 106254 9% 4% 54
4 MINIST COASTAL WETLAND ECOSYST 102491 0% 100% 2
5 TRANSPORT CANADA MARINE SAFETY 102491 0% 100% 2
6 INTRODUCED MARINE PESTS 92234 1% 30% 6
7 ABORAT INNOVAT VESSEL POLLUT MONITORING 76865 0% 50% 3
8 OCEANOG OCEAN ENVIRONM SCI 68322 1% 33% 4
9 MARINE INVAS 63606 1% 21% 6
10 AQUAT INVAS SPECIES 51246 0% 100% 1

Journals



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 MARINE POLLUTION BULLETIN 41173 14% 1% 85
2 MARINE TECHNOLOGY AND SNAME NEWS 13431 2% 3% 10
3 JOURNAL OF MARINE ENGINEERING AND TECHNOLOGY 10667 1% 4% 5
4 BIOLOGICAL INVASIONS 5557 3% 1% 17
5 DIVERSITY AND DISTRIBUTIONS 5083 2% 1% 12
6 NAVAL ENGINEERS JOURNAL 3792 1% 1% 6
7 AQUATIC ECOSYSTEM HEALTH & MANAGEMENT 2693 1% 1% 5
8 JOURNAL OF GREAT LAKES RESEARCH 2544 2% 0% 12
9 ENVIRONMENTAL REVIEWS 1948 0% 1% 3
10 AQUATIC INVASIONS 1856 1% 1% 4

Author Key Words



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 BALLAST WATER 5734476 31% 59% 191 Search BALLAST+WATER Search BALLAST+WATER
2 BALLAST WATER TREATMENT 1240126 5% 73% 33 Search BALLAST+WATER+TREATMENT Search BALLAST+WATER+TREATMENT
3 BALLAST WATER EXCHANGE 953950 4% 85% 22 Search BALLAST+WATER+EXCHANGE Search BALLAST+WATER+EXCHANGE
4 BALLAST WATER MANAGEMENT 673173 3% 77% 17 Search BALLAST+WATER+MANAGEMENT Search BALLAST+WATER+MANAGEMENT
5 MID OCEAN EXCHANGE 465867 2% 91% 10 Search MID+OCEAN+EXCHANGE Search MID+OCEAN+EXCHANGE
6 SHIPS BALLAST WATER 263547 1% 86% 6 Search SHIPS+BALLAST+WATER Search SHIPS+BALLAST+WATER
7 BALLAST MANAGEMENT 204982 1% 100% 4 Search BALLAST+MANAGEMENT Search BALLAST+MANAGEMENT
8 BALLAST WATER CONVENTION 204982 1% 100% 4 Search BALLAST+WATER+CONVENTION Search BALLAST+WATER+CONVENTION
9 DOMESTIC SHIPPING 204982 1% 100% 4 Search DOMESTIC+SHIPPING Search DOMESTIC+SHIPPING
10 UV AG TIO2 O 3 PROCESS 204982 1% 100% 4 Search UV+AG+TIO2+O+3+PROCESS Search UV+AG+TIO2+O+3+PROCESS

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 9048 ASCIDIAN//ASCIDIACEA//HULL FOULING
2 31797 MITTEN CRAB//FISHERIES MANAGEMENT OPEN WATERS//ERIOCHEIR SINENSIS
3 18853 ENVIRONMENTAL DNA//EDNA//METABARCODING
4 14419 DIKEROGAMMARUS VILLOSUS//GAMMARUS//GAMMARUS TIGRINUS
5 9824 DINOFLAGELLATE CYSTS//UNIT PALAEONTOL//CALCAREOUS DINOFLAGELLATES
6 5280 ZEBRA MUSSEL//DREISSENA POLYMORPHA//DREISSENA
7 28558 LIONFISH//PTEROIS VOLITANS//PTEROIS MILES
8 37046 ARTICLE 5//ETHN RELAT CHAIR//ETPIMS
9 15223 CARCINUS MAENAS//HEMIGRAPSUS SANGUINEUS//GREEN CRAB
10 13419 ROUND GOBY//NEOGOBIUS MELANOSTOMUS//SALMON F HWATER TEAM

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