Class information for:
Level 1: ACIDIFICATION//EPISODIC ACIDIFICATION//WATER AIR AND SOIL POLLUTION

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
1514 2617 39.8 47%


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 PLANT SCIENCES//AGRONOMY//FOOD SCIENCE & TECHNOLOGY 1882812
60 3       FORESTRY//FOREST ECOLOGY AND MANAGEMENT//CANADIAN JOURNAL OF FOREST RESEARCH-REVUE CANADIENNE DE RECHERCHE FORESTIERE 87011
346 2             THROUGHFALL//WATER AIR AND SOIL POLLUTION//ACIDIFICATION 17683
1514 1                   ACIDIFICATION//EPISODIC ACIDIFICATION//WATER AIR AND SOIL POLLUTION 2617

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 ACIDIFICATION authKW 360759 10% 12% 265
2 EPISODIC ACIDIFICATION authKW 214440 1% 74% 25
3 WATER AIR AND SOIL POLLUTION journal 187390 15% 4% 393
4 COOPERAT F HWATER ECOL UNIT address 171129 2% 33% 45
5 CANADIAN JOURNAL OF FISHERIES AND AQUATIC SCIENCES journal 156774 13% 4% 346
6 ACID EPISODES authKW 117633 0% 92% 11
7 STREAM ACIDIFICATION authKW 109360 1% 63% 15
8 CALCIUM DECLINE authKW 94495 0% 90% 9
9 ONTARIO MINIST ENVIRONM address 80255 1% 40% 17
10 ANNALES DE LA SOCIETE ROYALE ZOOLOGIQUE DE BELGIQUE journal 73913 1% 23% 27

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with term
in class
1 Marine & Freshwater Biology 31333 32% 0% 842
2 Fisheries 29360 21% 0% 546
3 Environmental Sciences 21074 43% 0% 1135
4 Water Resources 18471 23% 0% 598
5 Limnology 9034 7% 0% 189
6 Meteorology & Atmospheric Sciences 8237 16% 0% 425
7 Engineering, Environmental 1648 7% 0% 179
8 Ecology 983 8% 0% 207
9 Zoology 878 7% 0% 178
10 Toxicology 775 6% 0% 154

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 COOPERAT F HWATER ECOL UNIT 171129 2% 33% 45
2 ONTARIO MINIST ENVIRONM 80255 1% 40% 17
3 DORSET ENVIRONM SCI 68564 1% 20% 29
4 ADIRONDACK LAKES SURVEY CORP 34999 0% 100% 3
5 PEARL 26791 1% 10% 23
6 SUSTAINABLE REG DEV PROGRAMME 26248 0% 75% 3
7 PALEOECOL ENVIRONM ASSESSMENT 23882 1% 12% 17
8 ENVIRONM CONSERVAT BR 23333 0% 100% 2
9 DARRIN F H WATER 22856 0% 28% 7
10 ONTARIO MINIST ENVIRONM CLIMATE CHANGE 20997 0% 60% 3

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 WATER AIR AND SOIL POLLUTION 187390 15% 4% 393
2 CANADIAN JOURNAL OF FISHERIES AND AQUATIC SCIENCES 156774 13% 4% 346
3 ANNALES DE LA SOCIETE ROYALE ZOOLOGIQUE DE BELGIQUE 73913 1% 23% 27
4 HYDROBIOLOGIA 11095 5% 1% 126
5 BIOGEOCHEMISTRY 10217 2% 2% 46
6 FRESHWATER BIOLOGY 9224 2% 1% 61
7 AMBIO 7198 2% 1% 43
8 ENVIRONMENTAL POLLUTION 6433 3% 1% 73
9 JOURNAL OF FISH BIOLOGY 5939 3% 1% 69
10 ARCHIV FUR HYDROBIOLOGIE 5242 1% 1% 36

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 ACIDIFICATION 360759 10% 12% 265 Search ACIDIFICATION Search ACIDIFICATION
2 EPISODIC ACIDIFICATION 214440 1% 74% 25 Search EPISODIC+ACIDIFICATION Search EPISODIC+ACIDIFICATION
3 ACID EPISODES 117633 0% 92% 11 Search ACID+EPISODES Search ACID+EPISODES
4 STREAM ACIDIFICATION 109360 1% 63% 15 Search STREAM+ACIDIFICATION Search STREAM+ACIDIFICATION
5 CALCIUM DECLINE 94495 0% 90% 9 Search CALCIUM+DECLINE Search CALCIUM+DECLINE
6 LIMING 72065 3% 9% 66 Search LIMING Search LIMING
7 ACIDIC DEPOSITION 66697 1% 20% 29 Search ACIDIC+DEPOSITION Search ACIDIC+DEPOSITION
8 ACID NEUTRALIZING CAPACITY 65778 1% 30% 19 Search ACID+NEUTRALIZING+CAPACITY Search ACID+NEUTRALIZING+CAPACITY
9 LAKE ACIDIFICATION 50892 0% 36% 12 Search LAKE+ACIDIFICATION Search LAKE+ACIDIFICATION
10 ACID LAKES 46657 0% 50% 8 Search ACID+LAKES Search ACID+LAKES

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.


Rank Reference # ref. in
cl.		 Shr. of ref. in
cl.		 Citations
1 GENSEMER, RW , PLAYLE, RC , (1999) THE BIOAVAILABILITY AND TOXICITY OF ALUMINUM IN AQUATIC ENVIRONMENTS.CRITICAL REVIEWS IN ENVIRONMENTAL SCIENCE AND TECHNOLOGY. VOL. 29. ISSUE 4. P. 315 -450 213 62% 313
2 LACOUL, P , FREEDMAN, B , CLAIR, T , (2011) EFFECTS OF ACIDIFICATION ON AQUATIC BIOTA IN ATLANTIC CANADA.ENVIRONMENTAL REVIEWS. VOL. 19. ISSUE . P. 429 -460 121 48% 16
3 GRAY, DK , ARNOTT, SE , (2009) RECOVERY OF ACID DAMAGED ZOOPLANKTON COMMUNITIES: MEASUREMENT, EXTENT, AND LIMITING FACTORS.ENVIRONMENTAL REVIEWS. VOL. 17. ISSUE . P. 81 -99 82 68% 24
4 SAYER, MDJ , READER, JP , DALZIEL, TRK , (1993) FRESH-WATER ACIDIFICATION - EFFECTS ON THE EARLY-LIFE STAGES OF FISH.REVIEWS IN FISH BIOLOGY AND FISHERIES. VOL. 3. ISSUE 2. P. 95-132 96 94% 35
5 SPARLING, DW , LOWE, TP , (1996) ENVIRONMENTAL HAZARDS OF ALUMINUM TO PLANTS, INVERTEBRATES, FISH, AND WILDLIFE.REVIEWS OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY, VOL 145. VOL. 145. ISSUE . P. 1-127 112 59% 42
6 KROGLUND, F , ROSSELAND, BO , TEIEN, HC , SALBU, B , KRISTENSEN, T , FINSTAD, B , (2008) WATER QUALITY LIMITS FOR ATLANTIC SALMON (SALMO SALAR L.) EXPOSED TO SHORT TERM REDUCTIONS IN PH AND INCREASED ALUMINUM SIMULATING EPISODES.HYDROLOGY AND EARTH SYSTEM SCIENCES. VOL. 12. ISSUE 2. P. 491-507 49 92% 30
7 LYDERSEN, E , LOFGREN, S , ARNESEN, RT , (2002) METALS IN SCANDINAVIAN SURFACE WATERS: EFFECTS OF ACIDIFICATION, LIMING, AND POTENTIAL REACIDIFICATION.CRITICAL REVIEWS IN ENVIRONMENTAL SCIENCE AND TECHNOLOGY. VOL. 32. ISSUE 2-3. P. 73 -295 128 40% 46
8 SERRANO, I , BUFFAM, I , PALM, D , BRANNAS, E , LAUDON, H , (2008) THRESHOLDS FOR SURVIVAL OF BROWN TROUT DURING THE SPRING FLOOD ACID PULSE IN STREAMS HIGH IN DISSOLVED ORGANIC CARBON.TRANSACTIONS OF THE AMERICAN FISHERIES SOCIETY. VOL. 137. ISSUE 5. P. 1363 -1377 56 76% 12
9 NEFF, KJ , SCHWARTZ, JS , HENRY, TB , ROBINSON, RB , MOORE, SE , KULP, MA , (2009) PHYSIOLOGICAL STRESS IN NATIVE SOUTHERN BROOK TROUT DURING EPISODIC STREAM ACIDIFICATION IN THE GREAT SMOKY MOUNTAINS NATIONAL PARK.ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY. VOL. 57. ISSUE 2. P. 366 -376 45 82% 3
10 KELLER, W , (2009) LIMNOLOGY IN NORTHEASTERN ONTARIO: FROM ACIDIFICATION TO MULTIPLE STRESSORS.CANADIAN JOURNAL OF FISHERIES AND AQUATIC SCIENCES. VOL. 66. ISSUE 7. P. 1189 -1198 46 72% 31

Classes with closest relation at Level 1


Rank Class id link
1 7692 CRITICAL LOAD//ACIDIFICATION//ACID DEPOSITION
2 17649 MOUNTAIN LAKES//IONIC PULSE//SNOW CHEMISTRY
3 21499 EPT RICHNESS//MINED LAND RECLAMAT//RHITHROGENA HAGENI
4 16338 ALUMINUM SPECIATION//SOLOCHROME VIOLET RS//AC OSCILLOPOLAROGRAPHY
5 6454 DISSOLVED ORGANIC CARBON//DOC//ENVIRONM CHANGE NETWORK
6 2035 JOURNAL OF PALEOLIMNOLOGY//PALEOLIMNOLOGY//DIATOMS
7 13176 PICEA RUBENS//RED SPRUCE DECLINE//SUGAR MAPLE
8 35746 FUSED SLAG//3 CHLOROPYRIDAZINE 6 CARBOXYLIC ACID HYDRAZIDE//HYDRATILIC ACTIVITY
9 23612 ACIDIC LAKE//MINING LAKE//MEROMIXIS
10 6310 NITROGEN SATURATION//N SATURATION//NITROGEN DEPOSITION

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