• Publications
  • Influence
Measurement of the Energy Release Rate and the Reconnection Rate in Solar Flares
By using the method presented by Isobe et al., the nondimensional reconnection rate vin/vA has been determined for the impulsive phase of three two-ribbon flares, where vin is the velocity of theExpand
  • 54
  • 12
  • PDF
Troop size, habitat quality, and home range area in Japanese macaques
  • H. Takasaki
  • Biology
  • Behavioral Ecology and Sociobiology
  • 1 December 1981
SummaryThe correlation between troop size (N) and home range area (R) is examined in terms of habitat quality with 32 data sets for the Japanese macaque (Macaca fuscata) from its entire distributionExpand
  • 87
  • 11
New records of within-group infanticide and cannibalism in wild chimpanzees
Two cases of within-group infanticide and cannibalism were observed among the M Group chimpanzees of the Mahale Mountains, Tanzania. In both cases, victimized infants were male, 5 – 6 months of age,Expand
  • 60
  • 6
Female life history and mating patterns among the M group chimpanzees of the Mahale national park, Tanzania
The mating behavior of receptive females in the M group chimpanzees (Pan troglodytes schweinfurthii) of the Mahale Mountains, western Tanzania, was studied by intensive sampling over a period of 5Expand
  • 20
  • 3
New Evidence on Scavenging Behavior in Wild Chimpanzees
the period between 0.8 and 3 years of age and the early pubertal phase); and (3) a shift of developmental stages towards earlier calendar years due to acceleration of development. Examination ofExpand
  • 48
  • 2
Troop composition data of wild Japanese macaques reviewed by multivariate methods
The troop composition (numbers of adult males,X1, adult females,X2, juveniles,X3, and infants,X4) of the Japanese macaque,Macaca fuscata, was examined using principal component analysis andExpand
  • 16
  • 2
Estrus cycle asynchrony in wild female chimpanzees, Pan troglodytes schweinfurthii
Although estrous synchrony has been reported in a number of mammalian species, most often among primates, methodological and analytical problems make it difficult to interpret these results. WeExpand
  • 33
  • 1
  • PDF
BIOLOGICAL ACTIVITIES OF PLANT EXTRACTS FROM TROPICAL AFRICA
An investigation of plants in tropical Africa was conducted to search for new naturally bioactive substances. A total of 62 plant species were obtained from Cameroon, Zaire, and Tanzania. TheExpand
  • 26
  • 1
  • PDF
Polymorphic microsatellite DNA amplification customized for chimpanzee paternity testing
DNA segments containing GT/AC dinucleotide repeats in the chimpanzee (Pan troglodytes) genome were screened. Thirteen transformedE. coli colonies were identified with the (GT)10 probe to haveExpand
  • 25
  • 1
Physiological activities and the active constituents of potentially medicinal plants used by wild chimpanzees of the Mahale mountains, Tanzania
Potential medicinal plants for wild chimpanzees have been studied in order to discover their physiologically active compounds. Tests of the physiological activity of 3 plant species—VernoniaExpand
  • 19
  • 1