VISITING BEE (HYMENOPTERA:APIFORMES) LINKAGES AMONG THREE TERRACED PADDIES UNDER RESTORATION IN KANAZAWA, ISHIKAWA, JAPAN
Satoyama is the traditional agricultural landscape in rural areas of Japan, it is important for biodiversity conservation as well as many ecosystem services to human well-being. Satoyama is composed of mosaics with different habitat types and the degree of management, which produces the richness...
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Format: | Theses |
Language: | Indonesia |
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Online Access: | https://digilib.itb.ac.id/gdl/view/36058 |
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Institution: | Institut Teknologi Bandung |
Language: | Indonesia |
Summary: | Satoyama is the traditional agricultural landscape in rural areas of Japan, it is
important for biodiversity conservation as well as many ecosystem services to human
well-being. Satoyama is composed of mosaics with different habitat types and the
degree of management, which produces the richness of species composition and
species interactions. It is important to understand the structure and dynamics of
pollination system in Satoyama area. In this study, we compared species richness and
abundance of flowering plants, flower visiting bees and linkages of flowering plants
and flower visiting bees among 3 terraced paddies at Kitadan, Minamidan and
Zontan, under different stage of restoration. This study was carried out from May to
July 2010 in Satoyama area near Kakuma Campus of Kanazawa University,
Kanazawa, Ishikawa, Japan. Flower visiting bees and their relationship were
monitored by modified Pollard transect method. "#$! %#&$'()&%*#! *+! ,%#-(.$/! %/!
0$+%#$0! (/! %#&$'()&%*#! 1$&2$$#! *#$! +,*2$'%#.! 3,(#&! (#0! *#$! 1$$! /3$)%$/!
'$.('0,$//! &4$!#561$'!*+! %#/$)&! 7%/%&$08 The results of this study indicated that a
total 86 flowering plant species (36 families) categorized into 6 life forms in addition
the number of flowering plant species visited by bees was highest in Minamidan
valley. From these plants, 42 species (26 families) were confirmed to be visited by
bees and there were 494 individuals from 36 species (6 families) of flower visiting
bees. Among the sites, the highest number of individuals and species of the bees were
in Zontan. Bees of Lasioglossum occidens (71 individuals) and L. ohei (64
individuals) (Halictidae) were the most abundant species. From this study, it was
showed that 41 flowering plant species and 36 flower-visiting bees formed a total of
148 linkages. Bees from the Family of Halictidae were built 88 linkages in all valleys.
The linkages of flowering plants and flower visiting bees were different for each site
of study, in Kitadan were 39, in Minamidan were 60, and 64 linkages in Zontan. Most
bees were attracted to the plant of Erigeron philadelphictus, E. annuus (Astreaceae),
and Potentilla centigrana (Rosaceae). Based on the result, the restoration practices in
Satoyama resulted in changes to the composition of flowering plant. The
compositions of flowering plant species affected the visited bee and the linkages of
flower - insect relationships for each site. |
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