| 英文摘要 |
Relationships between diet, sleeping sites selection and ranging behavior of a wild troop of Formosan macaque in the Heng-Chun Botanical Garden was studied. Field data were collected by Chung-Ni You from February, 1998 and
February, 1999. Records on feeding and ranging behaviors in 61 sampling days were extracted for analysis. Home range area of the monkey troop estimated by grid cell method, minimum convex polygon method and 95% fixed kernel method, were 64.8 ha, 98.4 ha, and 47 ha, respectively. Average daily path length was 2112.9 m. Only two sleeping sites were known to be used by the troop during the study and seasonal changes were observed in the use of the two sites.
Monthly home range area estimated by three methods were not related to proportion of food items in the diet. Daily path length was positive correlated with the proportion of fruit in the diet, and negative correlated with the proportion of seed. Monthly home range areas were largely determined by the distribution of top food items and sleeping sites. When the monkeys fed mainly on Diosyros maritime seeds, they used similar routes with short length and the monthly home range area was small. When fed on figs and Bischotia javanica fruits, the monkeys traveled farther but still followed a similar daily path. When fed on Leucaena leucocephala leaf, they traveled a shorter but different path daily and the monthly home range area was large. The results suggested that the ranging pattern of Formosan macaques was related to
diet and sleeping sites selection. The relationship may be explained by nutrient composition, seasonal variation and spatial distribution of food items, and the way monkeys ingest specific food items, especially Diosyros maritime seed. Topography, weather conditions and disturbance by tourists may be factors contributing to sleeping site fidelity of the monkey troop. Key words: Macaca cyclopis, ranging patterns, diet, sleeping sites. |
