Vol. 40 No. 1, January 1999

International Symposium: Recent Trends in Primate Socioecology

Huffman, Michael A.; Yamagiwa, Juichi: Primate Socioecology: Introduction..........i

Moore, Jim: Population Density, Social Pathology, and Behavioral Ecology..........1 Key Words: Crowding; Infanticide; Resource defence; Territoriality; Langur; Presbytis; Rattus.

Matsumura, Shuichi: The Evolution of "Egalitarian" and "Despotic" Social Systems Among Macaques..........23 Key Words: Moor macaques; Macaca maurus ;Macaques; Dominance styles; Game theory; Phylogeny.

Paul, Andreas: The Socioecology of Infant Handling in Primates: Is the Current Model Convincing?..........33 Key Words: Infant handling; Socioecology; Dominance style; Barbary macaques; Primates.

Henzi, S. Peter; Barrett, Louise: The Value of Grooming to Female Primates..........47 Key Words: Relationships; Grooming; Interchange; Reciprocity; Biological markets.

Sugiyama, Yukimaru: Socioecological Factors of Male Chimpanzee Migration at Bossou, Guinea..........61 Key Words: Chimpanzee; Male dispersal; Remaining rate; Male-bond; Territory defense; Siring by extra-group male.

van Schaik, Carel P.: The Socioecology of Fission-fusion Sociality in Orangutans..........69 Key Words: Orangutans; Parties; Mating; Socialization; Competition; Nursery; Groups.

Yamagiwa, Juichi: Socioecological Factors Influencing Population Structure of Gorillas and Chimpanzees..........87 Key Words: Gorilla; Chimpanzee; Density; Home range; Female transfer; Population structure.

van Noordwijk, Maria A.; van Schaik, Carel P.: The Effects of Dominance Rank and Group Size on Female Lifetime Reproductive Success in Wild Long-tailed Macaques, Macaca fascicularis..........105 Key Words: Life time reproductive success; Macaca fascicularis ; Birth rate; Mortality; Survival; Dominance rank; Group size.

Strier, Karen B.: Predicting Primate Responses to "Stochastic" Demographic Events..........131 Key Words: Demography; Life histories; Muriqui; Reproductive seasonality; Infant sex ratios.

Takahata, Yukio; Huffman, Michael A.; Suzuki, Shigeru; Koyama, Naoki; Yamagiwa, Juichi: Why Dominants Do Not Consistently Attain High Mating and Reproductive Success: A Review of Longitudinal Japanese Macaque Studies..........143 Key Words: Reproductive seasonality; Non-ovulatory estrus; Promiscuity; Partner preference; Mate choice; Competition; Long-term studies; Unprovisioned.

Berard, John: A Four-year Study of the Association Between Male Dominance Rank, Residency Status, and Reproductive Activity in Rhesus Macaques (Macaca mulatta)..........159 Key Words: Dominance rank; Reproductive behavior; Mating success; Immigration; Cayo santiago.

Koganezawa, Masaaki; Imaki, Hiroo: The Effects of Food Sources on Japanese Monkey Home Range Size and Location, and Population Dynamics..........177 Key Words: Macaca fuscata ;Natural food; Artificial feeding; Supplemental feeding; Tourists; Population dynamics; Juvenile mortality.

Hill, David A.: Effects of Provisioning on the Social Behaviour of Japanese and Rhesus Macaques: Implications for Socioecology..........187 Key Words: Provisioning; Social behavior; Macaca fuscata ; Macaca mulatta ;Yakushima.

Sterck, Elisabeth H. M.: Variation in Langur Social Organization in Relation to the Socioecological Model, Human Habitat Alteration, and Phylogenetic Constraints..........199 Key Words: Social organization; Langurs; Provisioning; Female dominance relationships; Infanticide risk; Philogenetic constraints.

Chapman, Colin A.; Chapman, Lauren J.: Implications of Small Scale Variation in Ecological Conditions for the Diet and Density of Red Colobus Monkeys..........215 Key Words: Procolobus tephrosceles ;Population regulation; Kibale National Park; Foraging;Community structure; Activity budgets.

Buchanan-Smith, Hannah M.: Tamarin Polyspecific Associations: Forest Utilization and Stability of Mixed-species Groups..........233 Key Words: Saguinus fuscicollis ; S.mystax ; S.labiatus ; S.imperator ; Vertical stratification; Competition.

Tutin, Caroline E. G.: Fragmented Living: Behavioural Ecology of Primates in a Forest Fragment in the Lope Reserve, Gabon..........249 Key Words: Primate community; Guenons; Diet; Fragmentation; Competition; Inter-specific interactions.

Bearder, Simon K.: Physical and Social Diversity Among Nocturnal Primates: A New View Based on Long Term Research..........267 Key Words: Nocturnal primates; Galagos; Biology; Taxonomy; Speciation; Sociality; Future research.