Class information for:
Level 1: SEX RATIO//SECONDARY SEX RATIO//TRIVERS WILLARD HYPOTHESIS

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
7948 1310 37.4 59%


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
17 4 REPRODUCTIVE BIOLOGY//OBSTETRICS & GYNECOLOGY//VETERINARY SCIENCES 563730
167 3       REPRODUCTIVE BIOLOGY//THERIOGENOLOGY//ANDROLOGY 59913
3152 2             SEX SELECTION//SEXED SEMEN//SPERM SORTING 2225
7948 1                   SEX RATIO//SECONDARY SEX RATIO//TRIVERS WILLARD HYPOTHESIS 1310

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 SEX RATIO authKW 615581 23% 9% 304
2 SECONDARY SEX RATIO authKW 369356 2% 59% 27
3 TRIVERS WILLARD HYPOTHESIS authKW 361240 2% 50% 31
4 BIRTH RATE TRENDS authKW 179286 1% 77% 10
5 OFFSPRING SEX RATIO authKW 163127 2% 33% 21
6 SELECTION IN UTERO authKW 139847 0% 100% 6
7 SEX RATIO AT BIRTH authKW 138743 1% 37% 16
8 MATERNAL CONDITION authKW 132055 1% 33% 17
9 HUMAN SEX RATIO authKW 126895 1% 78% 7
10 ALLOSUCKLING authKW 125855 1% 60% 9

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 Reproductive Biology 12437 19% 0% 252
2 Zoology 6006 22% 0% 294
3 Behavioral Sciences 5792 15% 0% 200
4 Obstetrics & Gynecology 4360 18% 0% 235
5 Demography 3392 4% 0% 55
6 Ecology 2330 16% 0% 207
7 Biology 1787 11% 0% 144
8 Anthropology 1597 6% 0% 73
9 Social Sciences, Biomedical 1315 4% 0% 57
10 Evolutionary Biology 1307 7% 0% 91

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 GALTON 70511 3% 8% 36
2 CHILES HLTH MOTHERS BABIES 31076 0% 67% 2
3 THERIOGENOL ASSOC 31072 0% 33% 4
4 AGR EXPT STAT STATIST 23308 0% 100% 1
5 BEIJING REPROD ENDOCRINOL ASSISTED REPROD 23308 0% 100% 1
6 CALTON 23308 0% 100% 1
7 CLIN KARLSBURG 23308 0% 100% 1
8 CLIN SCI MOL REPROD MED 23308 0% 100% 1
9 CONSEJERIA AGR MEDIO AMBIENTE CASTILLA LA MANCH 23308 0% 100% 1
10 CONSERVAC RECURSOS ZOOGENET 23308 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 BEHAVIORAL ECOLOGY AND SOCIOBIOLOGY 11721 4% 1% 50
2 SOCIAL BIOLOGY 11143 1% 3% 16
3 HUMAN BIOLOGY 11111 2% 2% 30
4 JOURNAL OF BIOSOCIAL SCIENCE 10001 2% 2% 27
5 HUMAN REPRODUCTION 7037 5% 0% 62
6 ANIMAL BEHAVIOUR 4074 3% 0% 42
7 AMERICAN NATURALIST 3538 2% 1% 29
8 JOURNAL OF THEORETICAL BIOLOGY 2743 3% 0% 36
9 AMERICAN JOURNAL OF HUMAN BIOLOGY 2681 1% 1% 16
10 BEHAVIORAL ECOLOGY 2558 1% 1% 19

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 SEX RATIO 615581 23% 9% 304 Search SEX+RATIO Search SEX+RATIO
2 SECONDARY SEX RATIO 369356 2% 59% 27 Search SECONDARY+SEX+RATIO Search SECONDARY+SEX+RATIO
3 TRIVERS WILLARD HYPOTHESIS 361240 2% 50% 31 Search TRIVERS+WILLARD+HYPOTHESIS Search TRIVERS+WILLARD+HYPOTHESIS
4 BIRTH RATE TRENDS 179286 1% 77% 10 Search BIRTH+RATE+TRENDS Search BIRTH+RATE+TRENDS
5 OFFSPRING SEX RATIO 163127 2% 33% 21 Search OFFSPRING+SEX+RATIO Search OFFSPRING+SEX+RATIO
6 SELECTION IN UTERO 139847 0% 100% 6 Search SELECTION+IN+UTERO Search SELECTION+IN+UTERO
7 SEX RATIO AT BIRTH 138743 1% 37% 16 Search SEX+RATIO+AT+BIRTH Search SEX+RATIO+AT+BIRTH
8 MATERNAL CONDITION 132055 1% 33% 17 Search MATERNAL+CONDITION Search MATERNAL+CONDITION
9 HUMAN SEX RATIO 126895 1% 78% 7 Search HUMAN+SEX+RATIO Search HUMAN+SEX+RATIO
10 ALLOSUCKLING 125855 1% 60% 9 Search ALLOSUCKLING Search ALLOSUCKLING

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 ROSENFELD, CS , (2012) PERICONCEPTIONAL INFLUENCES ON OFFSPRING SEX RATIO AND PLACENTAL RESPONSES.REPRODUCTION FERTILITY AND DEVELOPMENT. VOL. 24. ISSUE 1. P. 45-58 69 70% 8
2 ROSENFELD, CS , ROBERTS, RM , (2004) MATERNAL DIET AND OTHER FACTORS AFFECTING OFFSPRING SEX RATIO: A REVIEW.BIOLOGY OF REPRODUCTION. VOL. 71. ISSUE 4. P. 1063-1070 72 71% 115
3 ROBERT, KA , SCHWANZ, LE , (2011) EMERGING SEX ALLOCATION RESEARCH IN MAMMALS: MARSUPIALS AND THE POUCH ADVANTAGE.MAMMAL REVIEW. VOL. 41. ISSUE 1. P. 1 -22 67 59% 7
4 JAMES, WH , (1996) EVIDENCE THAT MAMMALIAN SEX RATIOS AT BIRTH ARE PARTIALLY CONTROLLED BY PARENTAL HORMONE LEVELS AT THE TIME OF CONCEPTION.JOURNAL OF THEORETICAL BIOLOGY. VOL. 180. ISSUE 4. P. 271-286 64 70% 211
5 PLUHACEK, J , STECK, BL , (2015) DIFFERENT SEX ALLOCATIONS IN TWO RELATED SPECIES: THE CASE OF THE EXTANT HIPPOPOTAMUS.ETHOLOGY. VOL. 121. ISSUE 5. P. 462 -471 41 79% 0
6 GRANT, VJ , (2007) COULD MATERNAL TESTOSTERONE LEVELS GOVERN MAMMALIAN SEX RATIO DEVIATIONS?.JOURNAL OF THEORETICAL BIOLOGY. VOL. 246. ISSUE 4. P. 708 -719 52 64% 49
7 SCHNETTLER, S , KLUSENER, S , (2014) ECONOMIC STRESS OR RANDOM VARIATION? REVISITING GERMAN REUNIFICATION AS A NATURAL EXPERIMENT TO INVESTIGATE THE EFFECT OF ECONOMIC CONTRACTION ON SEX RATIOS AT BIRTH.ENVIRONMENTAL HEALTH. VOL. 13. ISSUE . P. - 34 83% 1
8 SHELDON, BC , WEST, SA , (2004) MATERNAL DOMINANCE, MATERNAL CONDITION, AND OFFSPRING SEX RATIO IN UNGULATE MAMMALS.AMERICAN NATURALIST. VOL. 163. ISSUE 1. P. 40-54 46 63% 180
9 NOVAKOVA, M , VASAKOVA, B , KUTALOVA, H , GALESTOKOVA, K , PRUSOVA, K , SMILAUER, P , SUMBERA, R , FRYNTA, D , (2010) SECONDARY SEX RATIOS DO NOT SUPPORT MATERNAL MANIPULATION: EXTENSIVE DATA FROM LABORATORY COLONIES OF SPINY MICE (MURIDAE: ACOMYS).BEHAVIORAL ECOLOGY AND SOCIOBIOLOGY. VOL. 64. ISSUE 3. P. 371-379 42 71% 5
10 JAMES, WH , (2012) HYPOTHESES ON THE STABILITY AND VARIATION OF HUMAN SEX RATIOS AT BIRTH.JOURNAL OF THEORETICAL BIOLOGY. VOL. 310. ISSUE . P. 183-186 32 84% 14

Classes with closest relation at Level 1


Rank Class id link
1 26455 INTRAUTERINE POSITION//ANOGENITAL DISTANCE//FEMALE MASCULINIZATION
2 10603 MATERNAL EFFECTS//YOLK ANDROGENS//SEX ALLOCATION
3 12315 SEXED SEMEN//SEX SELECTION//SPERM SORTING
4 6815 SON PREFERENCE//DEMOGRAPHY//SEX SELECTIVE ABORTION
5 7425 SEXUAL SEGREGATION//OVIS CANADENSIS//BIGHORN SHEEP
6 19103 SEXING//EMBRYO SPLITTING//DEMI EMBRYO
7 6954 HUMAN NATURE-AN INTERDISCIPLINARY BIOSOCIAL PERSPECTIVE//ETHOLOGY AND SOCIOBIOLOGY//GRANDMOTHER HYPOTHESIS
8 17421 HUMAN BIRTHS//HUMAN CONCEPTIONS//COMPENSATORY VALIDATION
9 632 CERVUS ELAPHUS//JOURNAL OF WILDLIFE MANAGEMENT//ELK
10 17888 BLOOD CHIMERISM//POPULAT GENET UNIT//ACTA GENETICAE MEDICAE ET GEMELLOLOGIAE

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