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Program and Abstracts Rebecca Ostertag, Julie S Organizing Committee Co-Chairs: Julie S. Denslow USDA Forest Service, Institute of Pacific Islands Forestry Dieter Mueller-Dombois University of Hawaii—Manoa Committee members: University of Hawai‘i—Hilo Grant Gerrish, James O. Juvik Rebecca Ostertag University of Hawai‘i—Manoa Kim Bridges, Rainer Bussmann Curtis Daehler, Donald Drak University of Hawai‘i—Hilo Conference Center Judith Fox-Goldstein, Josephine Malepeai Mary Ann Tsuchiyama, Robin Kealoha Black USDA Forest Service Institute of Pacific Islands Forestry Susan Cordell, R. Flint Hughes USGS Biological Resources Division Pacific Islands Ecosystems Research Center Jim Jacobi, Linda Pratt Field Trip Organizers Dieter Mueller-Dombois, Grant Gerrish Susan Cordell, R. Flint Hughes Program and Abstracts Rebecca Ostertag, Julie S. Denslow Social Program Annette Mueller-Dombois Student Workers Donald Drake E Komo Mai - Welcome Dear Colleague: On behalf of the IAVS2004 Steering Committee and the IAVS- North American Chapter, it is our pleasure to welcome you to Hawai‘i and to Hawai‘i Island. We have been working hard the last several months to plan a meeting that will broaden your experience of tropical oceanic islands and introduce some of the challenges to understanding, managing, and conserving these unusual plant communities; that will pique your interest in new approaches and ideas in our field; that will leave you impressed with the insights and creativity of your colleagues; that will warm your hearts with the promise of the next generation of plant ecologists and that will lconnect you with friends and colleagues from around the world. We sincerely hope that you are able to take full advantage of the formal sessions and field trips, and also that you are able to explore on your own. Hawai‘i is a very user-friendly place. There are many great places to walk and an amazing diversity of plant communities. Steep gradients in rainfall, temperature, substrate and disturbance history produce a striking heteroge- neity in the landscape. Joe Tosi of the Tropical Science Center in Costa Rica reports 26 different Life Zones represented on the Island of Hawai‘i. We are fortunate that major National Parks and Wildlife Refuges as well as Hawaii State Natural Areas and Forest Reserves provide public access to most of these. Ancient trails and cultural sites remind us that Hawai- ians understood and managed this landscape for more than a thousand years before it came to the attention of western science. Hawai‘i’s extreme isolation has produced some of the highest levels of endemism in the world. Although Hawai‘i is a monument to the marvels of evolution, it is also a microcosm— or a model—for processes that drive vegetation dynamics and pattern any place in the world. We hope that this meeting will produce synergies and collaborations that will further our understanding of these phenomena. We especially welcome your perspectives, insights and ideas to help us understand, conserve, and wisely manage plant communities around the world. Welcome to Hawai‘i and best wishes for a productive and enjoyable meeting. Julie S. Denslow Dieter Muller-Dombois USDA Forest Service University of Hawai‘i- Manoa 1 International Association of Vegetation Science The IAVS is an International Association for all individuals interested in vegetation science. Its aims are: * to promote research and education in vegetation science; * to promote the publication of research results in vegetation science; * to facilitate scientific and personal contacts among vegetation scientists of all countries; * to promote applications of vegetation science; to increase awareness and to disseminate knowledge about vegetation. The IAVS publishes two journals—Journal of Vegetation Science and Journal of Applied Vegetation Science as well as occasional Meeting Proceedings. Membership and subscription information for IAVS can be found at their web site: http://www.iavs.org Officers and Staff President: E.O. Box, Athens (USA) General Secretary & Treasurer: J.H.J. Schaminée, Wageningen (NL) Office: Alterra, Green World Research Postbus 47, NL-6700 AA WAGENINGEN The Netherlands Tel: +31317 47 79 14; Fax +31317 42 49 88 E-mail: [email protected] Vicepresidents: M. Diekmann (Publication Officer) J. Loidi, Bilbao (SP) L. Mucina, Phuthadijthaba (RSA) K. Fujiwara, Yokohama (JP) J. Rodwell, Lankaster (UK) Council (2002-2005) M. Austin (AU), J. P. Bakker (NL), E.O. Box (US), G. Bredenkamp (ZA), U. Deil (DE), S. Diaz (AR), M. Diekmann (DE), H. Dierschke (DE), K. Dierßen (DE), J.B. Faliski (PL), K. Fujiwara (JP); J.-M. Géhu (FR), G. Grabherr (AT), O. Hegg (CH), T. Herben (CZ), F. Klötzli (CH), F. Krahulec (CZ), J. Leps (CZ), J. Loidi (ES), A. Miyawaki (JP), L. Mucina (KW), D. Mueller-Dombois (US), G. Nakhutsrishvili (GE), Z. Neuhäuslová (CZ),J. Oksanen (FI), L. Orlóci (CA), M.W. Palmer (US), F. Pedrotti (IT),R.K. Peet (US), J. Pfadenhauer (DE), S. Pignatti (IT), V. De Patta Pillar (BR), J. Podani (HU), R. Pott (DE), S. Rivas-Martínez (ES), J.S. Rodwell (UK), I. Safronova (RU), J.H.J. Schaminée (NL), A. Schwabe-Kratochwil (DE), J.S. Singh (IN), E. van der Maarel (NL), O. Wildi (CH), B. Wilson (NZ), M. Zobel (EE). Honorary Members D. Goodall, W. Matuszkiewicz, A. Miyawaki, D. Mueller-Dombois, M. Numata, E. Oberdorfer, S. Pignatti. IAVS- North America Chair: David Roberts, Utah State University Vice Chair: Janet Franklin, San Diego State University Secretary: Susan Will-Wolf, University of Wisconsin 2 Table of Contents IAVS Conference steering committee ........................ Inside front cover Welcome ......................................................................... 1 IAVS ................................................................................ 2 A word for our sponsors ............................................... 4-6 Hotel map ........................................................................ 7 Conference Overview ................................................ 8-12 Information for presenters ............................................. 13 Schedule of sessions ............................................... 14-27 Monday, July 19 .................................................... 14 Tuesday, July 20 ................................................... 16 Wednesday, July 21 .............................................. 20 Thursday, July 22 .................................................. 21 Friday, July 23 ....................................................... 25 Roster of posters ...................................................... 27-32 3 A Word for Our Sponsors We are pleased to acknowledge the support of the following organizations who, in a substantial way, have made this meeting possible. They have provided financial support for the confer- ence, for student participants and for participants from afar. They generously have encouraged the participation of their staff in the conference organization by providing members of our steering committee and guides and organizers for the field trips. We are grateful for their help. Cooke Foundation The Cooke Foundation supports worthy endeavors in the community that the family feels will make a significant difference in the betterment and welfare of the people of Hawaii. The BMZ is responsible for the planning and conversion of the development policy of the Federal Govern- ment of Germany. The Deutsche Gesellschaft fur Technische Zusammenarbeit is an international cooperation enterprise for sustainable develop- ment with worldwide operations. It provides viable, forward-looking solutions for political, economic, ecological and social development in a globalised world. GTZ promotes complex reforms and change processes, often working under difficult conditions. Its cooper- ate objective is to improve people’s living conditions on a sustainable basis. Hawaiian Botanical Society The mission of the Hawaiian Botanical Society is to advance the science of botany in all its applications, encourage research in botany in all its phases, and promote the welfare of its mem- bers, developing the spirit of good fellowship and cooperation among them. 4 Pacific-Asia Biodiversity Transect Network (PABITRA) PABITRA combines the horizontal and vertical approaches to ecosystem studies and conservation. University of Hawai‘i As the state’s only public higher educational institution, the University of Hawai’i system creates, preserves, and transmits knowl- edge in a multicultural setting. Its purposes are to— • Provide all qualified people in Hawai’i with equal opportunity for high quality education and training. • Provide varied entry points and compre- hensive offerings so that its students move within the system to meet individual educational and professional goals. • Promote distinctive pathways to excel- lence, differentially emphasizing instruction, research, and service while fostering a cohesive response to state needs and participation in the global community. Hawai‘i Research Infrastructure Improvement Project Hawai‘i begins its first Research Infrastructure Improvement (RII) grant with great energy and a spirit of imua: to go forward. Under the National Science Founda- tion (US) Experimental Program to Stimulate Competitive Research (EPSCoR), Hawaii’s grant “Investing in Multidisciplinary University Activities (IMUA)” reflects this spirit and energy. Within the overarching theme of Biodiversity in an Integrated Island Environment, Hawai‘i has identified three research thrusts: Evolutionary Genetics, Ecosystems Studies, and Information Technology for Environmental
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