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Articles

Fecal glucocorticoid metabolite relates to social rank in Sichuan snub-nosed monkeys

, , , , , & show all
Pages 15-25 | Received 29 Mar 2015, Accepted 21 Jul 2015, Published online: 18 Sep 2015

Figures & data

Figure 1. Mean temperature of each month at Shennongjia Nature Reserve.

Figure 1. Mean temperature of each month at Shennongjia Nature Reserve.

Table I. Numbers of studied individuals and samples used for this analysis.

Table II. Overall ranks of male and female snub-nosed monkeys, using behavior classifications (dominance index, DI) and fecal glucocorticoid metabolite (FGM) levels.

Figure 2. Relationship of behavioral ranks vs fecal glucocorticoid metabolite (FGM), and FGM vs behavioral ranks, as determined by TreeNet.

The y-axis represents the index values and the x-axis represents the subsequent predictor. The behavioral rank has a general negative correlation with the FGM level: when the behavioral rank rises, the FGM goes down showing a FGM peak at app. 100 units.
Figure 2. Relationship of behavioral ranks vs fecal glucocorticoid metabolite (FGM), and FGM vs behavioral ranks, as determined by TreeNet.

Figure 3. Spearman rho2; presented as varclust.

Fecal glucocorticoid metabolite (FGM) has a close correlation with seasonal changes and behavioral ranks. However, individual differences have a close correlation with sex, monthly changes and breeding status.
Figure 3. Spearman rho2; presented as varclust.

Table III. Climatic seasonal order of the fecal glucocorticoid metabolite (FGM) levels for dominant males and females.

Figure 4. Behavioral ranks by male and female individuals.

The y-axis represents the fecal glucocorticoid metabolite (FGM) values and the x-axis represents the individuals.
Figure 4. Behavioral ranks by male and female individuals.

Figure 5. Boxplots of fecal glucocorticoid metabolite (FMG) levels by individuals (mean, 95% confidence intervals notches, 75% quantile boxes and outliers are shown).

The y-axis represents the FGM values and the x-axis represents the individuals.
Figure 5. Boxplots of fecal glucocorticoid metabolite (FMG) levels by individuals (mean, 95% confidence intervals notches, 75% quantile boxes and outliers are shown).

Table IV. Importance ranks of the fecal glucocorticoid metabolite (FGM) variables of males/females as well as by male and by female.

Table V. Two-way interactions as provided by TreeNet (Friedman Citation1999, Citation2002).

Table VI. Levels for collaborative vs aggressive behavior.

Figure 6. Seasonal changes of the fecal glucocorticoid metabolite (FGM) levels for males.

Figure 6. Seasonal changes of the fecal glucocorticoid metabolite (FGM) levels for males.

Figure 7. Seasonal changes of the fecal glucocorticoid metabolite (FGM) levels for females.

Figure 7. Seasonal changes of the fecal glucocorticoid metabolite (FGM) levels for females.

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