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The
reordering of patterns of plant life by humans is
the broad theme of my research. More particularly
I have investigated the problem of adventive plants
in Hawaii especially those which are invaders of
communities composed mainly of native species. I
have studied individual cases of particularly troublesome
aliens plants and well the general patterns of introduction
and establishment over the past two centuries. This
has led me to projects involving weed mangement in
critical habitats for rare species. I have conducted
studies of historical vegetation change on the Juan
Fernandez and also the atolls of the Northern Line
Islands. I have had a long standing interest in mangroves
and investigated their introduction and spread in
Hawaii and their response to coastal change and purposeful
mangement in Taiwan.
Most
recently my work has been on the conservation of
traditional wild foods which were once important
supplements to diets for the people of Northeastern
Thailand but are disappearing from the landscape
as economic development proceeds.
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Selected
Publications
| Knowledge
of traditional food plants in Northeast Thailand, Tropical
Forestry in the 21st. Century, Ethnobiology, 1997, 3:1:15. |
| Vegetation,
In: Hawai'i: A Unique Geography, Joseph Morgan (Ed.) 1996,
Bess Press, Honolulu. |
| Conservation
of traditional food plants and economic development in Thailand,
In: Contemporary Perspectives in Thai Foodways, Marilyn
Walker and Gisele Yasmeen Eds.) The Center for Southeast
Asian Research, Research Monograph 11, 1996, University
of British Columbia, Vancouver |
| Biological
diversity and community lore in Northeastern Thailand, Journal
of Ethnobiology 1995, 15:71-87 (with Sekson Yongvanit). |
| Adoption
and Abandonment of Southeast Asian food plants, 1994, Journal
of Home and Consumer Horticulture, (with Dina Chuensanguansat)
1:83-92. |
| Weed
management and habitat protection of rare species: A case
study of Marsilea villosa, 1994, Biological Conservation,
68:1-9 |
| Mangroves
and protection of the coastal zone of Taiwan, 1992, Geoforum,
23:507-519 (with Cheing-Tung Lee). |
| Vegetation
history of Washington Island (Teraina), Northern Line Islands,
1992, Atoll Research Bulletin No. 358 (with James O. Juvik
and Paul F. Holthus). |
| Origin
and distribution of adventive alien flowering plants in
Hawai'i, 1992, In: C.P. Stone, C.W. Smith and J.T. Tunison
(Eds.), Alien plant invasions in native ecosystems of Hawai'i:
management and research, pp. 99-154, Univ. Hawai'i Coop.
National Park Resources Study Unit, Honolulu. |
| Invasions
and extinctions on Masatierra (Juan Fernandez Islands):
a review of early historical evidence. 1991, Journal of
Historical Geography, 17:101-117 |
| A
checklist of the vascular flora of the Northern Line Islands,
1985, Atoll Research Bulletin, No. 287, 38 pp. |
| Roadside
plants on Mauna Loa, Hawai'i, 1983, Journal of Biogeography,
10:307-316. (with J.O. Juvik). |
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