Heistermann, Michael

[["dc.bibliographiccitation.firstpage","72"],["dc.bibliographiccitation.journal","Biological Conservation"],["dc.bibliographiccitation.lastpage","79"],["dc.bibliographiccitation.volume","172"],["dc.contributor.author","Shutt, Kathryn"],["dc.contributor.author","Heistermann, Michael"],["dc.contributor.author","Kasim, Adetayo"],["dc.contributor.author","Todd, Angelique"],["dc.contributor.author","Kalousova, Barbora"],["dc.contributor.author","Profosouva, Ilona"],["dc.contributor.author","Petrzelkova, Klara"],["dc.contributor.author","Fuh, Terrence"],["dc.contributor.author","Dicky, Jean-Francais"],["dc.contributor.author","Bopalanzognako, Jean-Bruno"],["dc.contributor.author","Setchell, Joanna M."],["dc.date.accessioned","2019-07-09T11:40:49Z"],["dc.date.available","2019-07-09T11:40:49Z"],["dc.date.issued","2014"],["dc.description.abstract","Wildlife tourism is proliferating worldwide and has the potential to raise revenue for conservation as well as public awareness of conservation issues. However, concerns are growing about the potentially negative influence of such tourism on the wildlife involved. We investigate the effects of habituation, ecotourism and research activities on levels of faecal glucocorticoid metabolites (FGCMs), a proxy for physiological stress, in wild western lowland gorillas (Gorilla gorilla gorilla) in the Central African Republic. We compare FGCMs in three human-contacted groups with those in unhabituated gorillas. We also explore how human–gorilla contact influences FGCMs of a gorilla group undergoing habituation and investigate how measures of general human–gorilla contact, tourism and human proximity influence FGCMs in recently and long-term habituated groups. Two of the three human-contacted groups had higher levels of FGCMs than unhabituated gorillas. The group undergoing habituation had the highest FGCMs, which increased up to 21 days following contacts, suggesting a cumulative FGCM response, in line with descriptions of a hormonal adaptation response to a chronic intermittent stressor. FGCMs in habituated groups were significantly associated with increasing frequency of violation of the 7 m distance rule by observers and with a medical intervention but not with other measures of human pressure. Our findings provide critical information for the management of this, and other, species whose conservation depends on habituation for ecotourism."],["dc.identifier.doi","10.1016/j.biocon.2014.02.014"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/11380"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/58261"],["dc.language.iso","en"],["dc.notes.intern","Merged from goescholar"],["dc.rights","CC BY 3.0"],["dc.rights.uri","https://creativecommons.org/licenses/by/3.0"],["dc.title","Effects of habituation, research and ecotourism on faecal glucocorticoid metabolites in wild western lowland gorillas: Implications for conservation management"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","206"],["dc.bibliographiccitation.issue","3"],["dc.bibliographiccitation.journal","Cells Tissues Organs"],["dc.bibliographiccitation.lastpage","220"],["dc.bibliographiccitation.volume","196"],["dc.contributor.author","Eildermann, K."],["dc.contributor.author","Aeckerle, Nelia"],["dc.contributor.author","Debowski, Katharina"],["dc.contributor.author","Godmann, M."],["dc.contributor.author","Christiansen, H."],["dc.contributor.author","Heistermann, Michael"],["dc.contributor.author","Schweyer, Stefan"],["dc.contributor.author","Bergmann, M."],["dc.contributor.author","Kliesch, S."],["dc.contributor.author","Gromoll, Joerg"],["dc.contributor.author","Ehmcke, J."],["dc.contributor.author","Schlatt, S."],["dc.contributor.author","Behr, R."],["dc.date.accessioned","2018-11-07T09:14:59Z"],["dc.date.available","2018-11-07T09:14:59Z"],["dc.date.issued","2012"],["dc.description.abstract","SALL4 (sal-like protein 4) is a pluripotency transcription factor, which is highly expressed in embryonic stem (ES) cells and which is essential for mouse preimplantation development. In adult mouse organs, Sall4 mRNA is highly expressed in the testis and ovary, while there is only little or no expression in other organs. There is also a high expression of SALL4 in human testicular germ cell tumors. However, there is as yet no detailed analysis of SALL4 expression during mammalian testicular development. We analyzed SALL4 expression in ES cells, preimplantation embryos, and the developing and adult testis of a nonhuman primate (NHP) species, the common marmoset monkey (Callithrix jacchus). Immunofluorescence revealed SALL4 in the nuclei of marmoset ES cells and preimplantation embryos. Marmoset SALL4 isoform analysis in ES cells and newborn and adult testis by RTPCR and Western blotting showed two different isoforms, SALL4-A and SALL4-B. Immunohistochemistry localized this transcription factor to the nuclei of primordial germ cells and most gonocytes in the prenatal and early postnatal marmoset testis. In the pubertal and adult testis SALL4 was present in undifferentiated spermatogonia. In the developing and adult human and mouse testis SALL4 expression mimicked the pattern in the marmoset. Adult testes from additional NHP species, the treeshrew, the cat and the dog also exhibited SALL4 in undifferentiated spermatogonia, indicating a conserved expression in the mammalian testis. Taking into account the importance of SALL4 for mouse development, we conclude that SALL4 may play an important role during mammalian germ cell development and is involved in the regulation of spermatogonial proliferation in the adult testis. Copyright (C) 2012 S. Karger AG, Basel"],["dc.identifier.doi","10.1159/000335031"],["dc.identifier.isi","000308266400002"],["dc.identifier.pmid","22572102"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/9081"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/27561"],["dc.notes.intern","Merged from goescholar"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Karger"],["dc.relation.issn","1422-6405"],["dc.rights","Goescholar"],["dc.rights.uri","https://goescholar.uni-goettingen.de/licenses"],["dc.title","Developmental Expression of the Pluripotency Factor Sal-Like Protein 4 in the Monkey, Human and Mouse Testis: Restriction to Premeiotic Germ Cells"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.artnumber","20161304"],["dc.bibliographiccitation.firstpage","1"],["dc.bibliographiccitation.issue","1839"],["dc.bibliographiccitation.journal","Proceedings of the Royal Society B: Biological Sciences"],["dc.bibliographiccitation.lastpage","9"],["dc.bibliographiccitation.volume","283"],["dc.contributor.author","Berghänel, Andreas"],["dc.contributor.author","Heistermann, Michael"],["dc.contributor.author","Schülke, Oliver"],["dc.contributor.author","Ostner, Julia"],["dc.date.accessioned","2017-09-07T11:54:44Z"],["dc.date.available","2017-09-07T11:54:44Z"],["dc.date.issued","2016"],["dc.description.abstract","Prenatal maternal stress affects offspring phenotype in numerous species including humans, but it is debated whether these effects are evolutionarily adaptive. Relating stress to adverse conditions, current explanations invoke either short-term developmental constraints on offspring phenotype resulting in decelerated growth to avoid starvation, or long-term predictive adaptive responses (PARs) resulting in accelerated growth and reproduction in response to reduced life expectancies. Two PAR subtypes were proposed, acting either on predicted internal somatic states or predicted external environmental conditions, but because both affect phenotypes similarly, they are largely indistinguishable. Only external (not internal) PARs rely on high environmental stability particularly in long-lived species. We report on a crucial test case in a wild long-lived mammal, the Assamese macaque (Macaca assamensis), which evolved and lives in an unpredictable environment where external PARs are probably not advantageous. We quantified food availability, growth, motor skills, maternal caretaking style and maternal physiological stress from faecal glucocorticoid measures. Prenatal maternal stress was negatively correlated to prenatal food availability and led to accelerated offspring growth accompanied by decelerated motor skill acquisition and reduced immune function. These results support the ‘internal PAR’ theory, which stresses the role of stable adverse internal somatic states rather than stable external environments."],["dc.identifier.doi","10.1098/rspb.2016.1304"],["dc.identifier.fs","622729"],["dc.identifier.gro","3151496"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/14299"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/8301"],["dc.language.iso","en"],["dc.notes.intern","Merged from goescholar"],["dc.notes.status","final"],["dc.notes.submitter","chake"],["dc.relation.issn","0962-8452"],["dc.rights","CC BY 4.0"],["dc.rights.uri","https://creativecommons.org/licenses/by/4.0"],["dc.title","Prenatal stress effects in a wild, long-lived primate: predictive adaptive responses in an unpredictable environment"],["dc.type","journal_article"],["dc.type.internalPublication","unknown"],["dc.type.peerReviewed","no"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.artnumber","e23105"],["dc.bibliographiccitation.issue","8"],["dc.bibliographiccitation.journal","PLoS ONE"],["dc.bibliographiccitation.volume","6"],["dc.contributor.author","Fürtbauer, Ines"],["dc.contributor.author","Heistermann, Michael"],["dc.contributor.author","Schülke, Oliver"],["dc.contributor.author","Ostner, Julia"],["dc.date.accessioned","2017-09-07T11:54:37Z"],["dc.date.available","2017-09-07T11:54:37Z"],["dc.date.issued","2011"],["dc.description.abstract","In numerous primates living in mixed-sex groups, females display probabilistic cues of fertility to simultaneously concentrate paternity to dominant males while diluting it amongst others as a means to reduce the risk of infanticide and to increase male care for offspring. A few species, however, lack these cues and potentially conceal fertility from males; yet, to date, little is known about mating patterns and their underlying proximate mechanisms in such species. Here, we investigated mating activity and sexual consortships relative to female reproductive state in wild Assamese macaques (Macaca assamensis), a species where females lack prominent anogenital swellings and copulation calls. During two mating seasons (2837 contact hours) we recorded sexual and social behaviors, sexual consortships, and collected 1178 fecal samples (n = 15 females) which were analyzed for progestogen concentrations to assess female reproductive state and to determine the timing of ovulation and conception. Although mostly conceiving in their first ovarian cycle, females were sexually receptive throughout the entire 4-month mating season, and within-cycle mating frequencies were not increased during fertile phases. Dominant males did not monopolize fertile matings, and consortships by high-ranking males lasted for long periods, which were not exclusively linked to female fertile phases. Furthermore, females copulated promiscuously but not randomly, i.e. for almost every female, matings were concentrated to a certain male, irrespective of male rank. Collectively, we demonstrate that fertility is undisclosed to males. The extreme extended female sexuality facilitated by concealed fertility may allow females to create differentiated mating relationships within a promiscuous mating system. Our study provides important new insight into the plasticity of female sexuality in non-human primates."],["dc.identifier.doi","10.1371/journal.pone.0023105"],["dc.identifier.gro","3151464"],["dc.identifier.pmid","21853074"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/8336"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/8268"],["dc.language.iso","en"],["dc.notes.intern","Merged from goescholar"],["dc.notes.status","final"],["dc.notes.submitter","chake"],["dc.relation.issn","1932-6203"],["dc.rights","CC BY 2.5"],["dc.rights.uri","https://creativecommons.org/licenses/by/2.5"],["dc.title","Concealed Fertility and Extended Female Sexuality in a Non-Human Primate (Macaca assamensis)"],["dc.type","journal_article"],["dc.type.internalPublication","unknown"],["dc.type.peerReviewed","no"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","501"],["dc.bibliographiccitation.issue","4"],["dc.bibliographiccitation.journal","International Journal of Primatology"],["dc.bibliographiccitation.lastpage","517"],["dc.bibliographiccitation.volume","31"],["dc.contributor.author","Fürtbauer, Ines"],["dc.contributor.author","Schülke, Oliver"],["dc.contributor.author","Heistermann, Michael"],["dc.contributor.author","Ostner, Julia"],["dc.date.accessioned","2017-09-07T11:54:40Z"],["dc.date.available","2017-09-07T11:54:40Z"],["dc.date.issued","2010"],["dc.description.abstract","Information on basic reproductive parameters and life-history traits is crucial for the understanding of primate evolution, ecology, social behavior, and reproductive strategies. Here, we report 4 yr of data on reproductive and life-history traits for wild female Assamese macaques (Macaca assamensis) at Phu Khieo Wildlife Sanctuary, northeastern Thailand. During 2 consecutive reproductive seasons, we investigated reproductive behavior and sexual swelling size in 16 females and collected 1832 fecal samples. Using enzyme immunoassays, we measured fecal estrogen and progesterone metabolites to assess ovarian activity and timing of ovulation and to ascertain conceptions and pregnancies. Timing of reproduction was strictly seasonal (births: April–July, 86% in April–June, 4 yr, n = 29; conceptions: October–February, 65% in December–January, 2 yr, n = 17). Females showed no cyclic ovarian activity outside the mating season and conceived in their first or second cycle (mean: 1.2 cycles to conception, n = 13). Gestation length was on average 164.2 d (range: 158–170, n = 10), and females had their first infant at an age of 5 yr (n = 4). Interbirth intervals were bimodally distributed, with females giving birth on average every 13.9 or 23.2 mo. Shorter interbirth intervals were linked to early parturition within the birth season. Most females displayed subcaudal sexual swellings which, however, did not reliably indicate female reproductive status or fertility. Overall, our results fall within the range of findings reported for other macaque species. These results thus add to the growing body of information available for wild macaques, facilitating comparative studies for a better understanding of interspecific differences in social and reproductive patterns."],["dc.identifier.doi","10.1007/s10764-010-9409-3"],["dc.identifier.gro","3151476"],["dc.identifier.pmid","20651906"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/5017"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/8281"],["dc.language.iso","en"],["dc.notes.intern","Merged from goescholar"],["dc.notes.status","final"],["dc.notes.submitter","chake"],["dc.relation.issn","0164-0291"],["dc.rights","Goescholar"],["dc.rights.uri","https://goescholar.uni-goettingen.de/licenses"],["dc.title","Reproductive and Life History Parameters of Wild Female Macaca assamensis"],["dc.type","journal_article"],["dc.type.internalPublication","unknown"],["dc.type.peerReviewed","no"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.artnumber","41973"],["dc.bibliographiccitation.journal","Scientific Reports"],["dc.bibliographiccitation.volume","7"],["dc.contributor.author","Müller, Nadine"],["dc.contributor.author","Heistermann, Michael"],["dc.contributor.author","Strube, Christina"],["dc.contributor.author","Schülke, Oliver"],["dc.contributor.author","Ostner, Julia"],["dc.date.accessioned","2017-09-07T11:54:37Z"],["dc.date.available","2017-09-07T11:54:37Z"],["dc.date.issued","2017"],["dc.description.abstract","Studying host parasite interactions and their implications for evolution and ecology recently received increasing attention, particularly with regard to host physiology and immunity. Here we assess variation of urinary neopterin (uNEO), a marker of cellular immune activation and iummunosenescence, in response to age and anthelmintic treatment in semi-free ranging Barbary macaques (Macaca sylvanus). Urinary NEO levels were measured via enzyme-immunoassay from 179 urine samples of 43 individuals between 5–29 years of age. Efficiency of treatment was assessed by Mc Master flotation on repeated faecal samples, including 18 untreated individuals as control group. We used linear mixed models with age and parasite status as main effects, controlling for sex and physical condition, assessed through urinary C-Peptide-levels, with social group and ID as random factors. Urinary NEO levels significantly increased with age, suggesting that changes in aging Barbary macaque immune responses are consistent with immunosenescence described in human and nonhuman primates and can be detected via uNEO measurements. Anthelmintic treatment, however, had no influence on uNEO levels, potentially due to quick reinfections or attenuated immune responses in repeated infections. We conclude that uNEO is a potential non-invasive marker for immune function and particularly immunosenescence in wildlife."],["dc.description.sponsorship","Open-Access-Publikationsfonds 2017"],["dc.identifier.doi","10.1038/srep41973"],["dc.identifier.gro","3151449"],["dc.identifier.pmid","28155915"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/14334"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/8251"],["dc.language.iso","en"],["dc.notes.intern","Merged from goescholar"],["dc.notes.status","final"],["dc.notes.submitter","chake"],["dc.relation.issn","2045-2322"],["dc.rights","CC BY 4.0"],["dc.rights.uri","https://creativecommons.org/licenses/by/4.0"],["dc.title","Age, but not anthelmintic treatment, is associated with urinary neopterin levels in semi-free ranging Barbary macaques"],["dc.type","journal_article"],["dc.type.internalPublication","unknown"],["dc.type.peerReviewed","no"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","879"],["dc.bibliographiccitation.issue","5"],["dc.bibliographiccitation.journal","International Journal of Primatology"],["dc.bibliographiccitation.lastpage","898"],["dc.bibliographiccitation.volume","34"],["dc.contributor.author","Wheeler, Brandon C."],["dc.contributor.author","Tiddi, Barbara"],["dc.contributor.author","Kalbitzer, Urs"],["dc.contributor.author","Visalberghi, Elisabetta"],["dc.contributor.author","Heistermann, Michael"],["dc.date.accessioned","2018-11-07T09:19:28Z"],["dc.date.available","2018-11-07T09:19:28Z"],["dc.date.issued","2013"],["dc.description.abstract","Analysis of fecal glucocorticoid (GC) metabolites has recently become the standard method to monitor adrenocortical activity in primates noninvasively. However, given variation in the production, metabolism, and excretion of GCs across species and even between sexes, there are no standard methods that are universally applicable. In particular, it is important to validate assays intended to measure GC production, test extraction and storage procedures, and consider the time course of GC metabolite excretion relative to the production and circulation of the native hormones. This study examines these four methodological aspects of fecal GC metabolite analysis in tufted capuchins (Cebus apella). Specifically, we conducted an adrenocorticotrophic hormone (ACTH) challenge on one male and one female capuchin to test the validity of four GC enzyme immunoassays (EIAs) and document the time course characterizing GC metabolite excretion in this species. In addition, we compare a common field-friendly technique for extracting fecal GC metabolites to an established laboratory extraction methodology and test for effects of storing \"field extracts\" for up to 1 yr. Results suggest that a corticosterone EIA is most sensitive to changes in GC production, provides reliable measures when extracted according to the field method, and measures GC metabolites which remain highly stable after even 12 mo of storage. Further, the time course of GC metabolite excretion is shorter than that described yet for any primate taxa. These results provide guidelines for studies of GCs in tufted capuchins, and underscore the importance of validating methods for fecal hormone analysis for each species of interest."],["dc.identifier.doi","10.1007/s10764-013-9703-y"],["dc.identifier.isi","000325183200002"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/10354"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/28643"],["dc.notes.intern","Merged from goescholar"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Springer"],["dc.relation.issn","0164-0291"],["dc.rights","Goescholar"],["dc.rights.uri","https://goescholar.uni-goettingen.de/licenses"],["dc.title","Methodological Considerations in the Analysis of Fecal Glucocorticoid Metabolites in Tufted Capuchins (Cebus apella)"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.artnumber","e24490"],["dc.bibliographiccitation.firstpage","1"],["dc.bibliographiccitation.issue","9"],["dc.bibliographiccitation.journal","PLoS ONE"],["dc.bibliographiccitation.lastpage","8"],["dc.bibliographiccitation.volume","6"],["dc.contributor.author","Fischer, Julia"],["dc.contributor.author","Semple, Stuart"],["dc.contributor.author","Fickenscher, Gisela"],["dc.contributor.author","Jürgens, Rebecca"],["dc.contributor.author","Kruse, Eberhard"],["dc.contributor.author","Heistermann, Michael"],["dc.contributor.author","Amir, Ofer"],["dc.contributor.editor","Halsey, Lewis George"],["dc.date.accessioned","2017-09-07T11:47:16Z"],["dc.date.available","2017-09-07T11:47:16Z"],["dc.date.issued","2011"],["dc.description.abstract","The human voice provides a rich source of information about individual attributes such as body size, developmental stability and emotional state. Moreover, there is evidence that female voice characteristics change across the menstrual cycle. A previous study reported that women speak with higher fundamental frequency (F0) in the high-fertility compared to the low-fertility phase. To gain further insights into the mechanisms underlying this variation in perceived attractiveness and the relationship between vocal quality and the timing of ovulation, we combined hormone measurements and acoustic analyses, to characterize voice changes on a day-to-day basis throughout the menstrual cycle. Voice characteristics were measured from free speech as well as sustained vowels. In addition, we asked men to rate vocal attractiveness from selected samples. The free speech samples revealed marginally significant variation in F0 with an increase prior to and a distinct drop during ovulation. Overall variation throughout the cycle, however, precluded unequivocal identification of the period with the highest conception risk. The analysis of vowel samples revealed a significant increase in degree of unvoiceness and noise-to-harmonic ratio during menstruation, possibly related to an increase in tissue water content. Neither estrogen nor progestogen levels predicted the observed changes in acoustic characteristics. The perceptual experiments revealed a preference by males for voice samples recorded during the pre-ovulatory period compared to other periods in the cycle. While overall we confirm earlier findings in that women speak with a higher and more variable fundamental frequency just prior to ovulation, the present study highlights the importance of taking the full range of variation into account before drawing conclusions about the value of these cues for the detection of ovulation."],["dc.format.extent","8"],["dc.identifier.doi","10.1371/journal.pone.0024490"],["dc.identifier.gro","3150670"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/8022"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/7451"],["dc.language.iso","en"],["dc.notes.intern","Merged from goescholar"],["dc.notes.status","final"],["dc.relation.issn","1932-6203"],["dc.rights","CC BY 2.5"],["dc.rights.uri","https://creativecommons.org/licenses/by/2.5"],["dc.title","Do Women's Voices Provide Cues of the Likelihood of Ovulation? The Importance of Sampling Regime"],["dc.type","journal_article"],["dc.type.internalPublication","unknown"],["dc.type.peerReviewed","no"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","1615"],["dc.bibliographiccitation.issue","8"],["dc.bibliographiccitation.journal","Behavioral Ecology and Sociobiology"],["dc.bibliographiccitation.lastpage","1627"],["dc.bibliographiccitation.volume","65"],["dc.contributor.author","Dubuc, Constance"],["dc.contributor.author","Muniz, Laura"],["dc.contributor.author","Heistermann, Michael"],["dc.contributor.author","Engelhardt, Antje"],["dc.contributor.author","Widdig, Anja"],["dc.date.accessioned","2018-11-07T08:53:44Z"],["dc.date.available","2018-11-07T08:53:44Z"],["dc.date.issued","2011"],["dc.description.abstract","In mammals, when females are clumped in space, male access to receptive females is usually determined by a dominance hierarchy based on fighting ability. In polygynandrous primates, as opposed to most mammalian species, the strength of the relationship between male social status and reproductive success varies greatly. It has been proposed that the degree to which paternity is determined by male rank decreases with increasing female reproductive synchrony. The priority-of-access model (PoA) predicts male reproductive success based on female synchrony and male dominance rank. To date, most tests of the PoA using paternity data involved nonseasonally breeding species. Here, we examine whether the PoA explains the relatively low reproductive skew in relation to dominance rank reported in the rhesus macaque, a strictly seasonal species. We collected behavioral, genetic, and hormonal data on one group of the free-ranging population on Cayo Santiago (Puerto Rico) for 2 years. The PoA correctly predicted the steepness of male reproductive skew, but not its relationship to male dominance: the most successful sire, fathering one third of the infants, was high but not top ranking. In contrast, mating success was not significantly skewed, suggesting that other mechanisms than social status contributed to male reproductive success. Dominance may be less important for paternity in rhesus macaques than in other primate species because it is reached through queuing rather than contest, leading to alpha males not necessarily being the strongest or most attractive male. More work is needed to fully elucidate the mechanisms determining paternity in rhesus macaques."],["dc.identifier.doi","10.1007/s00265-011-1172-8"],["dc.identifier.isi","000293379400013"],["dc.identifier.pmid","21874084"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/7309"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/22493"],["dc.notes.intern","Merged from goescholar"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Springer"],["dc.relation.issn","0340-5443"],["dc.rights","Goescholar"],["dc.rights.uri","https://goescholar.uni-goettingen.de/licenses"],["dc.title","Testing the priority-of-access model in a seasonally breeding primate species"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","701"],["dc.bibliographiccitation.issue","3-4"],["dc.bibliographiccitation.journal","International Journal of Primatology"],["dc.bibliographiccitation.lastpage","724"],["dc.bibliographiccitation.volume","35"],["dc.contributor.author","Girard-Buttoz, Cedric"],["dc.contributor.author","Heistermann, Michael"],["dc.contributor.author","Rahmi, Erdiansyah"],["dc.contributor.author","Agil, Muhammad"],["dc.contributor.author","Fauzan, Panji Ahmad"],["dc.contributor.author","Engelhardt, Antje"],["dc.date.accessioned","2018-11-07T09:37:05Z"],["dc.date.available","2018-11-07T09:37:05Z"],["dc.date.issued","2014"],["dc.description.abstract","Male primates living in multimale groups tend to direct mate and mate-guarding choices toward females of high reproductive value, i.e., high-ranking, parous females, or females with which they share strong bonds. Little is known, however, about the constraints that may limit male mate-guarding choices (the costs of this behavior) and the influence of the females' quality on male investment in mate-guarding. We aimed to study the effects of female rank, parity status, and male-female social bond strength on the costs of and investment in mate-guarding by males. We carried out our study during two reproductive seasons on three groups of wild long-tailed macaques in Indonesia. We combined behavioral observations on male locomotion and activity with noninvasive measurements of fecal glucocorticoids (fGC). Males spent less time feeding when mate-guarding nulliparous females than when mate-guarding parous females and tended to have higher fGC levels when mate-guarding low-ranking nulliparous females than when mate-guarding high-ranking nulliparous ones. Evolution should thus favor male choice for high-ranking parous females because such a decision brings benefits at proximate (reduced costs of mate-guarding) and ultimate (higher reproductive value) levels. Further, male investment in mate-guarding was flexible and contingent on female reproductive and social value. Males were more vigilant and more aggressive toward other males when mate-guarding females to which they were strongly bonded and/or high-ranking ones than when mate-guarding other females. Our findings bring a new dimension to the study of mate choice by showing that males not only mate preferentially with high-quality females but may also aim to secure paternity with these females through optimized monopolization."],["dc.identifier.doi","10.1007/s10764-014-9775-3"],["dc.identifier.isi","000340539200006"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/12121"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/32758"],["dc.notes.intern","Merged from goescholar"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Springer"],["dc.relation.issn","1573-8604"],["dc.relation.issn","0164-0291"],["dc.rights","Goescholar"],["dc.rights.uri","https://goescholar.uni-goettingen.de/licenses"],["dc.title","Costs of and Investment in Mate-Guarding in Wild Long-Tailed Macaques (Macaca fascicularis): Influences of Female Characteristics and Male-Female Social Bonds"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]