Class information for:
Level 1: TREELINE//TIMBERLINE//ALPINE TREELINE

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
9838 1116 51.0 52%


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
15 3       ECOLOGY//FORESTRY//BIODIVERSITY CONSERVATION 124126
859 2             SYNTAXONOMY//PHYTOSOCIOLOGY//JOURNAL OF VEGETATION SCIENCE 11608
9838 1                   TREELINE//TIMBERLINE//ALPINE TREELINE 1116

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 TREELINE authKW 1612370 14% 39% 152
2 TIMBERLINE authKW 815217 6% 48% 62
3 ALPINE TREELINE authKW 698227 3% 73% 35
4 KRUMMHOLZ authKW 525300 2% 80% 24
5 TREELINE DYNAMICS authKW 341993 1% 83% 15
6 POLYLEPIS AUSTRALIS authKW 268118 1% 70% 14
7 ALPINE TREELINE ECOTONE authKW 227995 1% 83% 10
8 TREE LINE ADVANCE authKW 218879 1% 100% 8
9 FOREST TUNDRA authKW 211041 2% 43% 18
10 POLYLEPIS authKW 178736 1% 47% 14

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 Geography, Physical 21593 23% 0% 262
2 Forestry 15108 21% 0% 231
3 Ecology 12788 38% 0% 427
4 Plant Sciences 2881 23% 0% 259
5 Environmental Sciences 2491 24% 0% 266
6 Geography 2220 7% 0% 75
7 Biodiversity Conservation 684 4% 0% 45
8 Geosciences, Multidisciplinary 531 9% 0% 101
9 Meteorology & Atmospheric Sciences 277 5% 0% 57
10 Remote Sensing 110 2% 0% 17

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 CATEDRA ECOL GEN 130353 1% 53% 9
2 ECOL RECURSOS NAT RENOVABLES DR RICARDO LUT 82074 1% 50% 6
3 STATE OURCE ENVIRONM INFORMAT SYST 62525 1% 29% 8
4 ECOTER 49245 0% 60% 3
5 LAND OURCE ENVIRONM PROTECT 36478 0% 67% 2
6 GEOBOT BOT GARDEN 35199 1% 12% 11
7 CEN EARTH SYST SUSTAINABIL 35174 0% 43% 3
8 INVEST ECOSISTEMAS PATAGONIA CIEP CONICYT REG 30776 0% 38% 3
9 NSERC NO CHAIR 29731 0% 22% 5
10 ABT CYTOGENET GENOMANAL 27360 0% 100% 1

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 ARCTIC ANTARCTIC AND ALPINE RESEARCH 128166 6% 7% 71
2 ARCTIC AND ALPINE RESEARCH 47356 3% 5% 38
3 PHYSICAL GEOGRAPHY 34828 3% 4% 32
4 PLANT ECOLOGY & DIVERSITY 33948 2% 6% 21
5 RUSSIAN JOURNAL OF ECOLOGY 12539 2% 2% 26
6 JOURNAL OF VEGETATION SCIENCE 11324 3% 1% 33
7 JOURNAL OF ECOLOGY 9751 3% 1% 36
8 MOUNTAIN RESEARCH AND DEVELOPMENT 6934 2% 1% 18
9 ARCTIC 6600 2% 1% 19
10 JOURNAL OF BIOGEOGRAPHY 5531 3% 1% 28

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 TREELINE 1612370 14% 39% 152 Search TREELINE Search TREELINE
2 TIMBERLINE 815217 6% 48% 62 Search TIMBERLINE Search TIMBERLINE
3 ALPINE TREELINE 698227 3% 73% 35 Search ALPINE+TREELINE Search ALPINE+TREELINE
4 KRUMMHOLZ 525300 2% 80% 24 Search KRUMMHOLZ Search KRUMMHOLZ
5 TREELINE DYNAMICS 341993 1% 83% 15 Search TREELINE+DYNAMICS Search TREELINE+DYNAMICS
6 POLYLEPIS AUSTRALIS 268118 1% 70% 14 Search POLYLEPIS+AUSTRALIS Search POLYLEPIS+AUSTRALIS
7 ALPINE TREELINE ECOTONE 227995 1% 83% 10 Search ALPINE+TREELINE+ECOTONE Search ALPINE+TREELINE+ECOTONE
8 TREE LINE ADVANCE 218879 1% 100% 8 Search TREE+LINE+ADVANCE Search TREE+LINE+ADVANCE
9 FOREST TUNDRA 211041 2% 43% 18 Search FOREST+TUNDRA Search FOREST+TUNDRA
10 POLYLEPIS 178736 1% 47% 14 Search POLYLEPIS Search POLYLEPIS

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 BADER, MY , HARSCH, MA , (2011) TREELINE FORM - A POTENTIAL KEY TO UNDERSTANDING TREELINE DYNAMICS.GLOBAL ECOLOGY AND BIOGEOGRAPHY. VOL. 20. ISSUE 4. P. 582 -596 73 83% 60
2 MALANSON, GP , RESLER, LM , BADER, MY , HOLTMEIER, FK , BUTLER, DR , WEISS, DJ , DANIELS, LD , FAGRE, DB , (2011) MOUNTAIN TREELINES: A ROADMAP FOR RESEARCH ORIENTATION.ARCTIC ANTARCTIC AND ALPINE RESEARCH. VOL. 43. ISSUE 2. P. 167 -177 84 67% 25
3 MULLER, M , SCHICKHOFF, U , SCHOLTEN, T , DROLLINGER, S , BOHNER, J , CHAUDHARY, RP , (2016) HOW DO SOIL PROPERTIES AFFECT ALPINE TREELINES? GENERAL PRINCIPLES IN A GLOBAL PERSPECTIVE AND NOVEL FINDINGS FROM ROLWALING HIMAL, NEPAL.PROGRESS IN PHYSICAL GEOGRAPHY. VOL. 40. ISSUE 1. P. 135 -160 72 70% 1
4 KULLMAN, L , OBERG, L , (2009) POST-LITTLE ICE AGE TREE LINE RISE AND CLIMATE WARMING IN THE SWEDISH SCANDES: A LANDSCAPE ECOLOGICAL PERSPECTIVE.JOURNAL OF ECOLOGY. VOL. 97. ISSUE 3. P. 415-429 51 75% 78
5 MAMET, SD , CAIRNS, DM , BROOK, RK , KERSHAW, GP , (2015) MODELING THE SPATIAL DISTRIBUTION OF SUBARCTIC FOREST IN NORTHERN MANITOBA USING GIS-BASED TERRAIN AND CLIMATE DATA.PHYSICAL GEOGRAPHY. VOL. 36. ISSUE 2. P. 93 -112 49 70% 0
6 TREML, V , SENFELDR, M , CHUMAN, T , PONOCNA, T , DEMKOVA, K , (2016) TWENTIETH CENTURY TREELINE ECOTONE ADVANCE IN THE SUDETES MOUNTAINS (CENTRAL EUROPE) WAS INDUCED BY AGRICULTURAL LAND ABANDONMENT RATHER THAN CLIMATE CHANGE.JOURNAL OF VEGETATION SCIENCE. VOL. 27. ISSUE 6. P. 1209 -1221 39 85% 0
7 SCHICKHOFF, U , BOBROWSKI, M , BOHNER, J , BURZLE, B , CHAUDHARY, RP , GERLITZ, L , HEYKEN, H , LANGE, J , MULLER, M , SCHOLTEN, T , ET AL (2015) DO HIMALAYAN TREELINES RESPOND TO RECENT CLIMATE CHANGE? AN EVALUATION OF SENSITIVITY INDICATORS.EARTH SYSTEM DYNAMICS. VOL. 6. ISSUE 1. P. 245 -265 67 47% 4
8 ELLIOTT, GP , KIPFMUELLER, KF , (2011) MULTISCALE INFLUENCES OF CLIMATE ON UPPER TREELINE DYNAMICS IN THE SOUTHERN ROCKY MOUNTAINS, USA: EVIDENCE OF INTRAREGIONAL VARIABILITY AND BIOCLIMATIC THRESHOLDS IN RESPONSE TO TWENTIETH-CENTURY WARMING.ANNALS OF THE ASSOCIATION OF AMERICAN GEOGRAPHERS. VOL. 101. ISSUE 6. P. 1181 -1203 57 61% 11
9 ELLIOTTT, GP , KIPFMUELLER, KE , (2010) MULTI-SCALE INFLUENCES OF SLOPE ASPECT AND SPATIAL PATTERN ON ECOTONAL DYNAMICS AT UPPER TREELINE IN THE SOUTHERN ROCKY MOUNTAINS, USA.ARCTIC ANTARCTIC AND ALPINE RESEARCH. VOL. 42. ISSUE 1. P. 45 -56 46 74% 29
10 HOLTMEIER, FK , BROLL, G , (2012) LANDFORM INFLUENCES ON TREELINE PATCHINESS AND DYNAMICS IN A CHANGING CLIMATE.PHYSICAL GEOGRAPHY. VOL. 33. ISSUE 5. P. 403 -437 47 71% 11

Classes with closest relation at Level 1


Rank Class id link
1 1123 TREE RINGS//DENDROCLIMATOLOGY//DENDROCHRONOLOGY
2 19587 PARAMO//TROPICAL ALPINE//FALLOW AGRICULTURE
3 2615 TUNDRA//ARCTIC TUNDRA//ITEX
4 15496 DWARF BAMBOO//ABIES SACHALINENSIS//NOTHOFAGUS PUMILIO
5 7596 BOREAL FOREST//NSERC UQAT UQAM IND CHAIR SUSTAINABLE FO T MANA//IND CHAIR SUSTAINABLE FO T MANAGEMENT
6 35002 BIODIVERSITY QUALITY//LIGHT TAIGA//FOREST STEPPE ECOTONES
7 13806 LANDIS//GAP MODEL//LANDIS II
8 16485 CRONARTIUM RIBICOLA//WHITE PINE BLISTER RUST//WESTERN GALL RUST
9 22307 POPULUS TREMULOIDES//ASPEN DECLINE//QUAKING ASPEN
10 8137 FACILITATION//STRESS GRADIENT HYPOTHESIS//NURSE PLANT

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