Class information for:
Level 1: SAMPLE COVERAGE//SPECIES RICHNESS ESTIMATION//NUMBER OF CLASSES

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
19777 490 31.0 45%


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
661 2             ECOLOGY//SPECIES RICHNESS//MACROECOLOGY 13412
19777 1                   SAMPLE COVERAGE//SPECIES RICHNESS ESTIMATION//NUMBER OF CLASSES 490

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 SAMPLE COVERAGE authKW 824110 5% 58% 23
2 SPECIES RICHNESS ESTIMATION authKW 473911 3% 45% 17
3 NUMBER OF CLASSES authKW 445109 2% 71% 10
4 SPECIES ACCUMULATION CURVES authKW 409224 6% 24% 27
5 CHAO1 authKW 280419 1% 75% 6
6 QUADRAT SAMPLING authKW 249248 2% 33% 12
7 POISSON MIXTURE authKW 208669 2% 28% 12
8 GRADSECT authKW 186948 1% 100% 3
9 TURINGS FORMULA authKW 186948 1% 100% 3
10 SHARED SPECIES authKW 173096 1% 56% 5

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 Statistics & Probability 13224 40% 0% 196
2 Biodiversity Conservation 3319 13% 0% 63
3 Ecology 2839 28% 0% 135
4 Mathematical & Computational Biology 1389 10% 0% 49
5 Biology 569 10% 0% 50
6 Environmental Sciences 176 11% 0% 53
7 Forestry 160 3% 0% 17
8 Mathematics, Interdisciplinary Applications 112 4% 0% 19
9 Entomology 78 3% 0% 17
10 Plant Sciences 27 5% 0% 24

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 BIOL OURCES PATUXENT WILDLIFE 62316 0% 100% 1
2 BUSINESS OPERAT SECT 62316 0% 100% 1
3 CIENCIAS AGR CIUNR 62316 0% 100% 1
4 CIGEST BUSINESS MANAGEMENT RD 62316 0% 100% 1
5 CIMPA CHAIRE UNESCO 62316 0% 100% 1
6 COMPETENCE MOBILE INFORMAT COMMUN 62316 0% 100% 1
7 DEP BIO ERSIDAD BIOL EVOLUT 62316 0% 100% 1
8 ECOL CURRICULUM 62316 0% 100% 1
9 ESCUELA UNIV INGENIEROS TECN FO TALES 62316 0% 100% 1
10 ESN BIOL CHAMELA 62316 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 BIOMETRICS 9318 5% 1% 26
2 ENVIRONMENTAL AND ECOLOGICAL STATISTICS 6092 2% 1% 8
3 SOUTH AFRICAN STATISTICAL JOURNAL 5562 1% 2% 4
4 JOURNAL OF AGRICULTURAL BIOLOGICAL AND ENVIRONMENTAL STATISTICS 3938 1% 1% 6
5 BIODIVERSITY AND CONSERVATION 3636 3% 0% 15
6 METHODS IN ECOLOGY AND EVOLUTION 3578 1% 1% 7
7 JOURNAL OF QUANTITATIVE LINGUISTICS 3521 1% 2% 3
8 STATISTICA SINICA 3465 2% 1% 10
9 REVISTA MEXICANA DE BIODIVERSIDAD 3361 2% 1% 8
10 ASTM STANDARDIZATION NEWS 2831 0% 5% 1

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 SAMPLE COVERAGE 824110 5% 58% 23 Search SAMPLE+COVERAGE Search SAMPLE+COVERAGE
2 SPECIES RICHNESS ESTIMATION 473911 3% 45% 17 Search SPECIES+RICHNESS+ESTIMATION Search SPECIES+RICHNESS+ESTIMATION
3 NUMBER OF CLASSES 445109 2% 71% 10 Search NUMBER+OF+CLASSES Search NUMBER+OF+CLASSES
4 SPECIES ACCUMULATION CURVES 409224 6% 24% 27 Search SPECIES+ACCUMULATION+CURVES Search SPECIES+ACCUMULATION+CURVES
5 CHAO1 280419 1% 75% 6 Search CHAO1 Search CHAO1
6 QUADRAT SAMPLING 249248 2% 33% 12 Search QUADRAT+SAMPLING Search QUADRAT+SAMPLING
7 POISSON MIXTURE 208669 2% 28% 12 Search POISSON+MIXTURE Search POISSON+MIXTURE
8 GRADSECT 186948 1% 100% 3 Search GRADSECT Search GRADSECT
9 TURINGS FORMULA 186948 1% 100% 3 Search TURINGS+FORMULA Search TURINGS+FORMULA
10 SHARED SPECIES 173096 1% 56% 5 Search SHARED+SPECIES Search SHARED+SPECIES

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 WALTHER, BA , MOORE, JL , (2005) THE CONCEPTS OF BIAS, PRECISION AND ACCURACY, AND THEIR USE IN TESTING THE PERFORMANCE OF SPECIES RICHNESS ESTIMATORS, WITH A LITERATURE REVIEW OF ESTIMATOR PERFORMANCE.ECOGRAPHY. VOL. 28. ISSUE 6. P. 815 -829 41 59% 262
2 COLWELL, RK , CHAO, A , GOTELLI, NJ , LIN, SY , MAO, CX , CHAZDON, RL , LONGINO, JT , (2012) MODELS AND ESTIMATORS LINKING INDIVIDUAL-BASED AND SAMPLE-BASED RAREFACTION, EXTRAPOLATION AND COMPARISON OF ASSEMBLAGES.JOURNAL OF PLANT ECOLOGY. VOL. 5. ISSUE 1. P. 3 -21 17 57% 374
3 HORTAL, J , BORGES, PAV , GASPAR, C , (2006) EVALUATING THE PERFORMANCE OF SPECIES RICHNESS ESTIMATORS: SENSITIVITY TO SAMPLE GRAIN SIZE.JOURNAL OF ANIMAL ECOLOGY. VOL. 75. ISSUE 1. P. 274 -287 34 51% 227
4 MAGNUSSEN, S , SMITH, B , KLEINN, C , SUN, IF , (2010) AN URN MODEL FOR SPECIES RICHNESS ESTIMATION IN QUADRAT SAMPLING FROM FIXED-AREA POPULATIONS.FORESTRY. VOL. 83. ISSUE 3. P. 293 -306 34 61% 5
5 MAGNUSSEN, S , (2014) SPECIES RICHNESS ESTIMATION FROM PROBABILITIES OF OBSERVING NEW SPECIES.JOURNAL OF FOREST RESEARCH. VOL. 19. ISSUE 1. P. 194-204 32 57% 0
6 MAGNUSSEN, S , MCROBERTS, R , (2011) A MODIFIED BOOTSTRAP PROCEDURE FOR CLUSTER SAMPLING VARIANCE ESTIMATION OF SPECIES RICHNESS.JOURNAL OF APPLIED STATISTICS. VOL. 38. ISSUE 6. P. 1223-1238 31 62% 0
7 BUNGE, J , FITZPATRICK, M , (1993) ESTIMATING THE NUMBER OF SPECIES - A REVIEW.JOURNAL OF THE AMERICAN STATISTICAL ASSOCIATION. VOL. 88. ISSUE 421. P. 364 -373 35 59% 368
8 GLOWACKI, L , (2011) ACCURACY OF SPECIES RICHNESS ESTIMATORS APPLIED TO FISH IN SMALL AND LARGE TEMPERATE LOWLAND RIVERS.BIODIVERSITY AND CONSERVATION. VOL. 20. ISSUE 6. P. 1365-1384 22 79% 4
9 CHAO, A , JOST, L , (2012) COVERAGE-BASED RAREFACTION AND EXTRAPOLATION: STANDARDIZING SAMPLES BY COMPLETENESS RATHER THAN SIZE.ECOLOGY. VOL. 93. ISSUE 12. P. 2533-2547 18 58% 162
10 MAGNUSSEN, S , (2011) A HORVITZ-THOMPSON-TYPE ESTIMATOR OF SPECIES RICHNESS.ENVIRONMETRICS. VOL. 22. ISSUE 7. P. 901 -910 28 58% 1

Classes with closest relation at Level 1


Rank Class id link
1 12539 SPECIES ABUNDANCE DISTRIBUTION//NEUTRAL THEORY//ECOLOGICAL DRIFT
2 6701 CAPTURE RECAPTURE//POPULATION SIZE ESTIMATION//CAPTURE RECAPTURE EXPERIMENT
3 9903 CANOPY ARTHROPODS//EFFECTIVE SPECIALIZATION//ARBOREAL ARTHROPODS
4 13594 VARZEA//PHYTOSOCIOLOGY//ENGN FLO TAL
5 25383 THE SHANNON ENTROPY//FUNCTIONAL EQUATION OF SUM FORM//HILLS DIVERSITY NUMBERS
6 11991 POINT COUNTS//DETECTION PROBABILITY//SETOPHAGA CHRYSOPARIA
7 8774 METACOMMUNITY//BETA DIVERSITY//SPECIES SORTING
8 32398 HABRANTHUS//HYMENOCALLIS//BRONGNIARTIA
9 19430 SPECTRAL VARIATION HYPOTHESIS//DYNAMIC HABITAT INDEX//DIPARTIMENTO SCI AMBIENTALI G SARFATTI
10 15031 BIODIVERSITY INFORMATICS//BIOCASE//IOC PROJECT OFF IODE

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