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Awards Honorary Members
Honorary Membership is the highest award the IAVS can bestow on an individual member to recognize sustained contributions of extraordinary merit to the Association or to the field of Vegetation Science. The award was established in 1988 and is awarded at approximately two-year intervals.

2020: Valerio Pillar (Brazil; 1 February 1959-.)                                                                                                                                           

2018: Ladislav Mucina (Australia; 28 May 1956 – )Mucina2.jpg


2016: Robert K. Peet (United States of America; 14 February 1947 – )Bastow Wilson

IAVS and Data for Vegetation Science: Past, Present and Future
Presentation details


2014: Kazue Fujiwara (Japan)
IntroductionBastow Wilson

What types of forest are drier? There are many types of drier forest in the Northern Hemisphere, including warm-temperate deciduous forests and monsoon forests. These forests are unique regionally. In particular, warm-temperate deciduous forests (WTDF), especially deciduous Quercus forests, occur in Asia, Europe and eastern North America (Box & Fujiwara 2014). Quercus species differ in the WTDF, typical temperate forests (TTF) and cool-temperate forests (CTF) of different regions. WTDF are drier (on an annual basis) because winters are warmer than in temperate and cool-temperate forests; WTDF have colder winters than warm-temperate evergreen forests. Sometimes, however, the forest type is related to substrate, especially in Mediterranean areas and eastern North America. Values for the annual Moisture Index (MI = P/PET) are 0.7–1.9 for WTF in Asia, 1.0 (0.68)–1.45 in eastern North America and 0.66–1.35 in Europe. Asia has the widest range, from insular Japan to mainland China and Korea. Moisture Index values for WTDF are relatively lower than for TTF and CTF, and higher than for evergreen broad-leaved forests in Europe. Moisture Index values of WTDF in eastern North America are similar to values for warm-temperate evergreen broad-leaved forests in general. Similar tropical dry forest types include monsoon dry dipterocarp forests in Southeast Asia and dry tropical forests in Kenya. These forests are relatively simple but expand into evergreen broad-leaved forest areas as secondary forests. WTDF expand also, into typical-temperate areas as secondary forests after disturbance. Then the number of species increases in the tree and herb layers, especially in Asian forests. Another characteristic is that WTDF around lakes already show vegetation shifts under global warming. The lowest winter temperatures increase, permitting the germination and growth of evergreen broad-leaved species. This phenomenon was called “laurophyllization” (Kloetzli & Walther 1999) and can also be seen in Asia (Fujiwara & Box 1999; Fujiwara & Harada 2014), as well as in southern Europe. This is not seen at drier sites.


2012: J. Bastow Wilson (New Zealand; 10 October 1944 – 2015)
IntroductionBastow Wilson

Theories have never fared well in vegetation science. The Clements/Gleason theory (for their theories were almost identical) is the basis of three major ecological concepts: (1) Environmental filtering: its operation is, as Warming said, "trivial", though it has always been documented and continues to be, with a few brave attempts to find deeper meanings. (2) Switches: they seem likely to be pervasive in natural communities, but evidence for them is sparse. (3) Assembly rules (present in Clements/Gleason theory only as a single aside by Clements): these are essentially micro- scale switches; evidence for them is easy to obtain, but valid evidence much less easy. The elephant in the room is C-S-R theory, testable but hardly tested.

2010: John Rodwell (England; 3 July 1946 – )

The UK National Vegetation Classification has made a great difference to the way in which all manner of environmental professionals do business with the natural world, as well as illuminating the spectrum of scepticism, uncertainty and trust with which practitioners and customers variously regard science. Results from some of its many applications also reveal attitudes and practices that subvert the benefits of ecological research. On the one hand, spurious notions of the ‘wild’ minimise legitimate cultural claims to relationships with place while much conservation and landscape planning works to obliterate the fuzziness and dynamism of green infrastructure and creative interactions between nature and humankind. The policy frames to which many of us now work also exert a particular twist, imposing unrealistic targets for landscape management and inflexible measures of environmental condition. For some, the ethical implications of ecological endeavour are not a legitimate part of our professional integrity, yet the notion of ecosystem services, widely welcomed, presses such moral decisions upon us – or provides an opportunity for negotiating a more imaginative relationship to the natural world. Ecology has a place in relating environmental value and condition to human well-being in ways that neither enslave the natural nor fail to liberate human resourcefulness to find its place in a sustainable world among other creatures.

2005: Hartmut Dierschke (Germany; 11 July 1937 – ) 






2005: Eddy van der Maarel (The Netherlands, Sweden: 23 February 1934 – ) 






2005: Salvador Rivas-Martínez (Spain: 16 July 1935 – ) 






1997: David W. Goodall (Australia: 4 April 1914 – 10 May 2018 )







1997: Wladyslaw Matuszkiewicz (Poland: 11 April 1921 –  11 October 2013)







1997: Akira Miyawaki (Japan: 29 January 1928 – )







1997: Dieter Mueller-Dombois (USA: 26 July 1925 – ) 







1997: Alessandro  Pignatti ( Italy: 28 September 1930 – )






1988: Heinz Ellenberg (Germany: 1 August 1913  – 2 May 1997)






1988: Makoto Numata (Japan: 27 November 1917 – 30 December 2001)







1988: Victor Westhoff (The Netherlands: 12 November 1916 – 12 March 2001)







Next Meeting

2021 IAVS Annual Symposium: Madrid, Spain, 27 June - 2 July 2021
We are sorry to announce that the Vladivostok symposium has been cancelled. Please, read details at the symposium website. We hope to see many of you next year in Spain!


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