Hodges, J. Keith

[["dc.bibliographiccitation.firstpage","375"],["dc.bibliographiccitation.issue","3"],["dc.bibliographiccitation.journal","Oryx"],["dc.bibliographiccitation.lastpage","379"],["dc.bibliographiccitation.volume","42"],["dc.contributor.author","Waltert, Matthias"],["dc.contributor.author","Abegg, Christophe"],["dc.contributor.author","Ziegler, Thomas"],["dc.contributor.author","Hadi, Susilo"],["dc.contributor.author","Priata, Dodi"],["dc.contributor.author","Hodges, Keith"],["dc.date.accessioned","2018-11-07T11:13:44Z"],["dc.date.available","2018-11-07T11:13:44Z"],["dc.date.issued","2008"],["dc.description.abstract","The island of Siberut in the Mentawai Archipelago, west of Sumatra, Indonesia, Supports four of the five primate species endemic to the Archipelago, all categorized as threatened on the IUCN Red List. As a baseline for future research on the ecology and conservation of Siberut's primates we used a line-transect approach to Survey primates in the Peleonan forest, site of the Siberut Conservation Project in northern Siberut. In 104 kin of Surveys we made a total of 391 observations of primates and estimated density and Population sizes for the Project's 10.7 km(2), main study site. Overall primate biomass density was estimated to be 697 kg km(-2) and abundances, in individuals km-2, were: pig-tailed snub-nosed langur Simias concolor, 53.1; Siberut macaque Macaca siberu, 16.2; Moss's gibbon Hylobates klossii, 8.9; Mentawai langur Presbytis potenziani, 8.2. These results confirm those from earlier studies that in undisturbed and unhunted primary forests S. concolor is more Successful than the sympatrically occurring P. potenziani. Results for all species suggest considerable population sizes on the island and underline its importance for the conservation of Mentawai primates."],["dc.identifier.doi","10.1017/S0030605308000793"],["dc.identifier.isi","000258862300014"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/53965"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Cambridge Univ Press"],["dc.relation.issn","0030-6053"],["dc.title","Abundance and community structure of Mentawai primates in the Peleonan forest, north Siberut, Indonesia"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","183"],["dc.bibliographiccitation.issue","S1"],["dc.bibliographiccitation.journal","Evolutionary Anthropology: Issues, News, and Reviews"],["dc.bibliographiccitation.lastpage","185"],["dc.bibliographiccitation.volume","11"],["dc.contributor.author","Oerke, Ann-Kathrin"],["dc.contributor.author","Heistermann, Michael"],["dc.contributor.author","Küderling, Irmgard"],["dc.contributor.author","Martin, Robert D."],["dc.contributor.author","Hodges, J. Keith"],["dc.date.accessioned","2022-10-06T13:24:51Z"],["dc.date.available","2022-10-06T13:24:51Z"],["dc.date.issued","2003"],["dc.identifier.doi","10.1002/evan.10087"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/114690"],["dc.language.iso","en"],["dc.notes.intern","DOI-Import GROB-602"],["dc.relation.issn","1060-1538"],["dc.relation.orgunit","Deutsches Primatenzentrum"],["dc.title","Monitoring reproduction in Callitrichidae by means of ultrasonography"],["dc.type","journal_article"],["dc.type.internalPublication","unknown"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","275"],["dc.bibliographiccitation.issue","4"],["dc.bibliographiccitation.journal","American Journal of Primatology"],["dc.bibliographiccitation.lastpage","284"],["dc.bibliographiccitation.volume","37"],["dc.contributor.author","Heistermann, M."],["dc.contributor.author","Finke, M."],["dc.contributor.author","Hodges, J. K."],["dc.date.accessioned","2022-10-06T13:32:52Z"],["dc.date.available","2022-10-06T13:32:52Z"],["dc.date.issued","1995"],["dc.identifier.doi","10.1002/ajp.1350370402"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/115476"],["dc.language.iso","en"],["dc.notes.intern","DOI-Import GROB-602"],["dc.relation.eissn","1098-2345"],["dc.relation.issn","0275-2565"],["dc.relation.orgunit","Deutsches Primatenzentrum"],["dc.title","Assessment of female reproductive status in captive-housed Hanuman langurs (Presbytis entellus) by measurement of urinary and fecal steroid excretion patterns"],["dc.type","journal_article"],["dc.type.internalPublication","unknown"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","1216"],["dc.bibliographiccitation.issue","6"],["dc.bibliographiccitation.journal","Biology of Reproduction"],["dc.bibliographiccitation.lastpage","1222"],["dc.bibliographiccitation.volume","50"],["dc.contributor.author","Einspanier, A."],["dc.contributor.author","Ivell, R."],["dc.contributor.author","Rune, G."],["dc.contributor.author","Hodges, J. K."],["dc.date.accessioned","2022-10-06T13:35:20Z"],["dc.date.available","2022-10-06T13:35:20Z"],["dc.date.issued","1994"],["dc.identifier.doi","10.1095/biolreprod50.6.1216"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/116070"],["dc.language.iso","en"],["dc.notes.intern","DOI-Import GROB-602"],["dc.relation.eissn","1529-7268"],["dc.relation.issn","0006-3363"],["dc.relation.orgunit","Deutsches Primatenzentrum"],["dc.title","Oxytocin Gene Expression and Oxytocin Immunoactivity in the Ovary of the Common Marmoset Monkey (Callithrix Jacchus)"],["dc.type","journal_article"],["dc.type.internalPublication","unknown"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","83"],["dc.bibliographiccitation.issue","1"],["dc.bibliographiccitation.journal","Hormones and Behavior"],["dc.bibliographiccitation.lastpage","91"],["dc.bibliographiccitation.volume","47"],["dc.contributor.author","Ganswindt, André"],["dc.contributor.author","Rasmussen, Henrik B."],["dc.contributor.author","Heistermann, Michael"],["dc.contributor.author","Hodges, J. Keith"],["dc.date.accessioned","2022-10-06T13:33:32Z"],["dc.date.available","2022-10-06T13:33:32Z"],["dc.date.issued","2005"],["dc.identifier.doi","10.1016/j.yhbeh.2004.09.002"],["dc.identifier.pii","S0018506X0400203X"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/115656"],["dc.language.iso","en"],["dc.notes.intern","DOI-Import GROB-602"],["dc.relation.issn","0018-506X"],["dc.relation.orgunit","Deutsches Primatenzentrum"],["dc.title","The sexually active states of free-ranging male African elephants (Loxodonta africana): defining musth and non-musth using endocrinology, physical signals, and behavior"],["dc.type","journal_article"],["dc.type.internalPublication","unknown"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","601"],["dc.bibliographiccitation.issue","3"],["dc.bibliographiccitation.journal","International Journal of Primatology"],["dc.bibliographiccitation.lastpage","613"],["dc.bibliographiccitation.volume","29"],["dc.contributor.author","Schneider, Christina"],["dc.contributor.author","Hodges, Keith"],["dc.contributor.author","Fischer, Julia"],["dc.contributor.author","Hammerschmidt, Kurt"],["dc.date.accessioned","2017-09-07T11:47:43Z"],["dc.date.available","2017-09-07T11:47:43Z"],["dc.date.issued","2008"],["dc.description.abstract","The loud calls nonhuman primates use in long-distance communication have supposedly been selected for efficient information transfer in the habitat. The differential effects of scattering and reverberation and the masking effects of background noise predict that loud calls produced in rain forest habitats should be low-pitched and whistle-like with low-frequency modulation. Callers may also use particular calling posts or times of day with reduced background noise to increase the efficacy of sound transmission. We studied the loud calls of the 4 sympatric primate species on Siberut Island. Only Kloss gibbons (Hylobates klossii) fulfilled the predictions regarding both the structure and use of calls. Though the other 3 species —Mentawai macaques (Macaca siberu), pig-tailed langurs (Simias concolor), and Mentawai leaf monkeys (Presbytis potenziani)— also concentrated their main energies in the spectral window with the lowest background noise, their calls were not adapted to long-range transmission. All 4 species produced loud calls exclusively no lower than 18 m above ground, but food abundance and shelter in the canopy may also be factors. Though all 4 species produced the majority of loud calls in the morning, it was not the only time of day with reduced background noise. We suggest that phylogenetic inheritance may better explain the structure of calls than adaptation to the habitat. In sum, the observed usage of spectral and temporal niches is not solely an adaptation to the sound profile of the habitat, though it clearly improves their transmission."],["dc.identifier.doi","10.1007/s10764-007-9181-1"],["dc.identifier.gro","3150697"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/7482"],["dc.language.iso","en"],["dc.notes.status","final"],["dc.relation.issn","0164-0291"],["dc.title","Acoustic Niches of Siberut Primates"],["dc.type","journal_article"],["dc.type.internalPublication","unknown"],["dc.type.peerReviewed","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","147"],["dc.bibliographiccitation.issue","1"],["dc.bibliographiccitation.journal","Oryx"],["dc.bibliographiccitation.lastpage","151"],["dc.bibliographiccitation.volume","44"],["dc.contributor.author","Quintel, Michael"],["dc.contributor.author","Waltert, Matthias"],["dc.contributor.author","Syamsuri, Fauzan"],["dc.contributor.author","Hodges, J. Keith"],["dc.date.accessioned","2018-11-07T08:48:21Z"],["dc.date.available","2018-11-07T08:48:21Z"],["dc.date.issued","2010"],["dc.description.abstract","Although South-east Asia harbours most of the world's tropical peatlands relatively little is known about the primate communities of the associated habitat, the peat swamp forest. To understand better the role of tropical peat swamp forests for the conservation of primates in general, and for the endemic primates of the Mentawai Islands in particular, we conducted a line transect survey in a 12.5-km(2) section of peat swamp forest in northern Siberut. A total of 215 records of all four Siberut primates (Endangered Moss's gibbon Hylobates klossii, Endangered Mentawai langur Presbytis potenziani, Vulnerable Siberut macaque Macaca siberu and Critically Endangered pig-tailed langur Simias concolor) were obtained. Pig-tailed langurs (65.5 km(-2), 95% confidence interval, CI, 41.9-102.6) and Siberut macaques (35.8 km(-2), 95% CI 25.5-50.4) were the most common species, with density estimates similar to (pig-tailed langur) or greater than (Siberut macaque) those in adjacent lowland rainforest on mineral soil. Density estimates of the Mentawai langur (2.7 km(-2), 95% CI 1.3-5.3) and Kloss's gibbon (1.0 km(-2), 95% CI 0.3-2.8) were approximately one-third and one-tenth, respectively, of the adjacent lowland rainforest. Given that resource density and diversity in peat swamp forest are probably lower than that of lowland rainforest, primate densities appear to be relatively high, with overall primate biornass (881 kg km(-2)) exceeding values for lowland rainforest on mineral soil. Our results underline the general importance that peat swamp forests may have for South-east Asian primates and for two island endemic species in particular."],["dc.identifier.doi","10.1017/S0030605309990718"],["dc.identifier.isi","000274770200024"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/21184"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Cambridge Univ Press"],["dc.relation.issn","0030-6053"],["dc.title","Peat swamp forest supports high primate densities on Siberut Island, Sumatra, Indonesia"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","403"],["dc.bibliographiccitation.issue","3"],["dc.bibliographiccitation.journal","Journal of Endocrinology"],["dc.bibliographiccitation.lastpage","409"],["dc.bibliographiccitation.volume","141"],["dc.contributor.author","Einspanier, A"],["dc.contributor.author","Hodges, J K"],["dc.date.accessioned","2022-10-06T13:26:33Z"],["dc.date.available","2022-10-06T13:26:33Z"],["dc.date.issued","1994"],["dc.description.abstract","Abstract\n \n The application of an\n in vitro\n microdialysis system (MDS) for studies on the gonadotrophic control of luteal progesterone secretion in the marmoset monkey is described. Luteal tissue collected from a total of six animals (9 ± 1 days after ovulation) was perfused with Ringer solution (without and with lipoprotein, 0·6 μg/ml). The tissue was exposed to repeated applications of human LH (hLH) and human chorionic gonadotrophin (hCG) (1, 10 and 100 IU/ml) each of 60 min duration. Perfusate was collected in 15-min fractions and assayed for progesterone content. Results showed that addition of lipoproteins to the Ringer solution had a marked effect on progesterone secretion in terms of maintaining stable baseline levels and improving reproducibility of gonadotrophin-induced responses. Progesterone secretion was significantly stimulated by both gonadotrophins at each dose tested. Maximal elevations were obtained with 10 IU/ml and there were no apparent differences in responses to hLH and hCG in terms of either magnitude or duration.\n \n \n This study indicates that MDS provides a useful\n in vitro\n approach for studying the gonadotrophic control of the corpus luteum in non-human primates. The results did not demonstrate disparate actions of hLH and hCG in their ability to stimulate luteal progesterone secretion.\n \n \n Journal of Endocrinology\n (1994)\n 141,\n 403–409"],["dc.identifier.doi","10.1677/joe.0.1410403"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/115107"],["dc.notes.intern","DOI-Import GROB-602"],["dc.relation.eissn","1479-6805"],["dc.relation.issn","0022-0795"],["dc.relation.orgunit","Deutsches Primatenzentrum"],["dc.title","LH- and chorionic gonadotrophin-stimulated progesterone release in vitro by intact luteal tissue of the marmoset monkey (Callithrix jacchus)"],["dc.type","journal_article"],["dc.type.internalPublication","unknown"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","1234"],["dc.bibliographiccitation.issue","6"],["dc.bibliographiccitation.journal","Biology of Reproduction"],["dc.bibliographiccitation.lastpage","1243"],["dc.bibliographiccitation.volume","52"],["dc.contributor.author","Gilchrist, R. B."],["dc.contributor.author","Nayudu, P. L."],["dc.contributor.author","Nowshari, M. A."],["dc.contributor.author","Hodges, J. K."],["dc.date.accessioned","2022-10-06T13:35:21Z"],["dc.date.available","2022-10-06T13:35:21Z"],["dc.date.issued","1995"],["dc.identifier.doi","10.1095/biolreprod52.6.1234"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/116071"],["dc.language.iso","en"],["dc.notes.intern","DOI-Import GROB-602"],["dc.relation.eissn","1529-7268"],["dc.relation.issn","0006-3363"],["dc.relation.orgunit","Deutsches Primatenzentrum"],["dc.title","Meiotic Competence of Marmoset Monkey Oocytes is Related to Follicle Size and Oocyte-Somatic Cell Associations"],["dc.type","journal_article"],["dc.type.internalPublication","unknown"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","740"],["dc.bibliographiccitation.issue","6"],["dc.bibliographiccitation.journal","Behavioral Ecology and Sociobiology"],["dc.bibliographiccitation.lastpage","752"],["dc.bibliographiccitation.volume","59"],["dc.contributor.author","Engelhardt, Antje"],["dc.contributor.author","Heistermann, Michael"],["dc.contributor.author","Hodges, J. Keith"],["dc.contributor.author","Nürnberg, Peter"],["dc.contributor.author","Niemitz, Carsten"],["dc.date.accessioned","2022-10-06T13:32:07Z"],["dc.date.available","2022-10-06T13:32:07Z"],["dc.date.issued","2006"],["dc.identifier.doi","10.1007/s00265-005-0104-x"],["dc.identifier.pii","104"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/115306"],["dc.language.iso","en"],["dc.notes.intern","DOI-Import GROB-602"],["dc.relation.eissn","1432-0762"],["dc.relation.issn","0340-5443"],["dc.relation.orgunit","Deutsches Primatenzentrum"],["dc.title","Determinants of male reproductive success in wild long-tailed macaques (Macaca fascicularis)—male monopolisation, female mate choice or post-copulatory mechanisms?"],["dc.type","journal_article"],["dc.type.internalPublication","unknown"],["dspace.entity.type","Publication"]]