PLANT-POLLINATOR INTERACTIONS IN TROPICAL MONSOON FORESTS IN SOUTHEAST ASIA

Title
PLANT-POLLINATOR INTERACTIONS IN TROPICAL MONSOON FORESTS IN SOUTHEAST ASIA
Authors
Kato, M; Kosaka, Y; Kawakita, A; Okuyama, Y; Kobayashi, C; Phimminith, T; Thongphan, D
Keywords
Amegilla, honeybee, Laos, plant-pollinator interaction, pollination, tropical monsoon forest
Issue Date
2008
Publisher
BOTANICAL SOC AMER INC
Citation
AMERICAN JOURNAL OF BOTANY; Vol.95 11; 1375-1394
Abstract
Forests with different flora and vegetation types harbor different assemblages of flower visitors, plant-pollinator interactions vary among forests. In monsoon-dominated East and Southeast Asia, there is a characteristic gradient in climate along latitude. creating a broad spectrum of forest types with potentially diverse pollinator communities. To detect a geographical pattern of plant-pollinator interactions. we investigated flowering phenology and pollinator assemblages in the least-studied forest type. i.e.. tropical monsoon forest. in the Vientiane plain in Laos. Throughout the 5-year study, we observed 171 plant species blooming and detected flower visitors on 145 species. Flowering occurred throughout the ear. although the number of flowering plant species, peaked at the end of dry season. The dominant canopy trees, including Dipterocarpaccae, bloomed annually, in contrast to the general flowering that occurs in Southeast Asian tropical rain forests. Among the 134 native plain species, 68 were pollinated by hymenopterans and others by lepidopterans. beetles, flies, or diverse insects. Among the observed bees. Xylocopa megachilids. and honeybees mainly contributed to the pollination of canopy trees, whereas long-term, tongued Amegilla bees pollinated diverse perennials with long corolla tubes. This is the first community-level study of plant-pollinator interactions in an Asian tropical monsoon forest ecosystem.
URI
http://hdl.handle.net/11267/2132
ISSN
0002-9122
Appears in Collections:
1.National University of Laos > Faculty of Forestry > Journal articles
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