Biological Invasions in Europe and the Mediterranean Basin by Francesco di Castri (auth.), F. di Castri, A. J. Hansen, M.

By Francesco di Castri (auth.), F. di Castri, A. J. Hansen, M. Debussche (eds.)

In view of the big swap within the sector of distribution of many international biota throughout classical biogeographical nation-states, and of the drastic restructuring of the biotic parts of various ecosystems, the medical Committee on difficulties of our environment (SCOPE) made up our minds at its normal meeting in Ottawa, Canada, in 1982 to release a undertaking at the 'Ecology of organic Invasions'. numerous nearby conferences have been thus prepared in the framework of SCOPE, with a purpose to unmarried out the peculiarities of the invasions that happened in every one area, the behaviour in their invasive species and the invasibility in their ecosystems. so much noteworthy between such workshops have been one in Australia in August 1984, one referring to North the US and Hawaii in October 1984, and one facing southern Africa in November 1985. A leitmotiv of those workshops was once that almost all of the invasive species to these areas have been emanating from Europe and the Mediterranean Basin, inadvertently or deliberately brought by way of guy. It was once hence regarded as a well timed endeavour to prepare the subsequent local assembly in terms of this area. The workshop on 'Biological Invasions in Europe and the Mediterranean Basin' used to be held in Montpellier, France, 21 to 23 may possibly 1986, because of the monetary help of SCOPE and of the A.W. Mellon beginning, and the logistic amenities of the Centre nationwide de los angeles Recherche Scientifique (C.N .R.S.).

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1976. Veranderungen der Flora und Fauna in der Bundesrepublik Deutschland. Schriftenreihe Vegetationsk. 10: 1-409. , Trautmann, W. & Korneck, D. 1978. Arten und Biotopschutz. Schriftenreihe Vegetationsk. 12: 1-138. Svensson, R. & Wigren, M. 1986. A survey of the history, biology and preservation of some retreating synanthropic plants. Acta Univ. Upsal. - Symb. Bot. Upsa!. 25(4): 1-74. Swieboda, M. 1963. ) Garcke in Poland. Fragm. Florist. Geobot. 9(2): 239-243. Thellung, A. 1912. La flore adventice de Montpellier.

Univ. Zurich 58: 1-728. Thellung, A. 1915. Pflanzenwanderungen unter dem Einfluss des Menschen. Beibl. Englers Bot. Jahrb. 53, Beib!. Nr. 116: 37-66. Thellung, A. 1918-1919. Zur Terminologie der Adventiv- und Ruderalflora. Allg. Bot. Z. Syst. Karlsruhe 24: 36-42. Trepl, L. 1984. C. als Agriophyt in Mitteleuropa. Diss. Bot. 73: 1-400. Trzcinska-Tacik, H. 1961. Studies on the distribution of synanthropic plants. I. anocarpus Wieg. in Poland. Fragm. Florist. Geobot. 7(1): 161-168. Trzcinska-Tacik, H.

The above data clearly show that in Poland (and the same is true of all other Central European countries) introduced plant species most often occur only in man-made habitats and very seldom establish themselves as true members of the natural vegetation. Undisturbed natural plant communities seem to be highly resistant against the penetration of newcomers. , offer only little opportunity for the newcomers to become established. , meadows and pastures) are similar in this respect. On the contrary, the open synanthropic vegetation of arable fields and ruderal places is a very suitable environment for invaders: to a lesser extent this is also true of semi-natural secondary communities with much bare ground, especially in river valleys, where more than 2/3 of all naturalized species of newcomers were found.

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