Symposia, Conferences and Meetings

Ex Situ Plant Conservation Symposium
29 September - 1 October

The Strategies for Survival: Ex Situ Plant Conservation Symposium will be held September 29, 30 and October 1, 1999 at the Chicago Botanic Garden, and the nearby Sheraton North Shore, in Glencoe, Illinois. The conference, to be immediately followed by the annual meeting of the Center for Plant Conservation, will offer the most Up-to-date statement of what ex situ conservation is; how it is currently being practiced; and where research and policy developments should be directed.

The first day of the conference will feature a keynote address by Dr. Peter Raven, director of the Missouri Botanical Garden, a contributed poster session, and papers that address such questions as: What purposes are served by ex situ plant collections? Which species are best supported by ex situ methods? What is the place of ex situ conservation in the overall context of plant conservation? How is ex situ conservation being practiced around the world?

Day two will consist of papers focusing on ethical issues, ex situ collection standards, genetic issues, and techniques for collection maintenance.

The last day will be dedicated to small group discussions open to all participants and will also serve as the opening day of the Center for Plant Conservation annual meeting. Topics that will be explored include: How can ex situ organizations best serve the conservation community? What are horticultural and genetic research needs for ex situ conservation? How do we market ex situ conservation to those with funds to support it? How can we use ex situ collections for supporting the conservation of wild populations and habitats?

The Ex Situ Plant Conservation symposium is sponsored by Chicago Botanic Garden, Berry Botanic Garden, the Center for Plant Conservation, and Royal Botanic Gardens, Kew, in association with the IUCN World Conservation Union Species Survival Commission.

For further information contact Dr. Kayri Havens, Chicago Botanic Garden, by email:, or by telephone: 847-835-8378.

5th International Conference on the Ecology of Invasive Alien Plants
13-16 October 1999
La Maddalena, Sardinia - Italy

Invasions of plant species have for a long time drawn the attention of botanists, agronomist and ecologists. Although this resulted in an ever-increasing body of scientific literature on "invasion biology" we still do not completely understand all aspects of this process and its impact on ecosystems. This Conference will be the continuation of a series of meetings that started in 1992 in Loughborough, GB, and was continued in Kostelec, Czech Republic, in 1993, in Tempe, AZ, USA in 1995 and in Berlin, Germany, in October 1997. It will offer the chance to continue discussions of its predecessors and concentrate on issues identified as important during preceding meetings.

Address for Registration and Information: Dr. Giuseppe Brundu c/o Dipartimento di Botanica ed Ecologia Vegetale Universita di Sassari Via F. Muroni, 2507100 Sassari - Italy e-mail: ph. + 39 0335 237315 fax +39 079 233600

XVI International Congress on
Sexual Plant Reproduction
1-5 April 2000

The XVI International Congress on Sexual Plant Reproduction will be held at the resort town of Banff in Alberta, Canada, from April 1-5,2000. The conference is co-sponsored by the Universities of Saskatchewan and Alberta and is held under the auspices of International Association of Sexual Plant Reproduction Research. The scientific program will include all topics on sexual plant reproduction, from flowering to seed development. Sessions will be held in the mornings and evenings with the afternoons available for skiing, field trips, nature walks and discussions with colleagues. For further details, please check the web site: Co-organizers are: Drs. D.D. Cass, University of Alberta and V.K. Sawhney, University of Saskatchewan. E-mail addresses:, or

British Ecological Society Special Symposium 2000
29 - 31 August 2000

Plants stand still, but their genes don't: Integrating ecological and evolutionary processes in a spatial context, Aug 29 - 31, 2000, Royal Holloway College, University of London, UK* Organisers: Jonathan Silvertown, Janis Antonovics, Anthony J. Davy, and Godfrey Hewitt

The profound consequences of the deceptively obvious statement that "Plants stand still, but their genes don't" are only just becoming clear. A consequence of plants standing still is that interactions are between neighbours. The non-random spatial patterns which emerge from these interactions, when combined with limited dispersal, in turn feed back upon interactions with results that are often very different from those arising from 'mean field' models that ignore the spatial dimension. The fundamental concepts of population genetics have spatially explicit definitions because gene movement is non-random. Now that ecologists are also beginning to think spatially there is a new opportunity for synthesis between ecology and population genetics within a common spatial frame of reference. Many of the questions to be addressed in this meeting are as applicable to animals as to plants, but plants provide ideal study systems because their spatial locations in the adult phase are fixed. One of the central questions that all speakers at this meeting will be asked to address is: "What new understanding can we achieve by bringing together spatial ecological models with the new level of detailed information derived from molecular genetic markers?" The meeting will be divided into processes operating at three spatial scales; that of the population, the metapopulation and geographical range.

Speakers Population scale J. Antonovics (Charlottesville) Why ecologists should care about population genetic structure. R. Law (York) Local interactions, the origins of spatial structure and their reciprocal effects upon one another. R. Ennos (Edinburgh) Genetic and ecological inferences from variation in DNA sequences and other molecular markers. D & B. Charlesworth (Edinburgh) Mating systems and population genetic structure G. Bell (Montreal) Local adaptation and its spatial limits.

Metapopulation scale I. Hanski (Helsinki) Spatially explicit models of metapopulation dynamics and the role of genetic erosion in local extinction. D. McCauley (Nashville) Effects of population extinction and colonisation on genetic structure O.Eriksson (Stockholm) Landscape fragmentation and the viability of populations S.C.H. Barrett (Toronto) Mating system evolution in metapopulations S. Frank (Irvine) Host-parasite evolution in metapopulations I. Olivieri (Montpellier) Evolution of seed banks and dispersal in metapopulations

Geographical scale G. Hewitt (Norwich) Inference about historical migrations and glacial refugia from molecular phylogenies. R.J. Petit (Ardon) Hybridization and the phylogeography of European oaks D.E. Soltis (Pullman) Phylogeography of recent invasions in the flora of N.W. N. America. S.P. Hubbell (Princeton) The role of migration in coupling community structure across spatial scales. N. Barton (Edinburgh) The evolution of geographical range limits in relation to environmental heterogeneity, rates of migration and gene flow.

*For further information visit the meeting's web site at or send an e-mail with "BES 2000" in the subject heading to

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