Plant Species and Plant Communities (eBook, PDF)

Proceedings of the International Symposium held at Nijmegen, November 11-12, 1976 in honour of Professor Dr. Victor Westhoff on the occasion of his sixtieth birthday
Redaktion: Maarel, E. van der; Werger, Marinus J. A.

• Format: PDF

Produktbeschreibung

biological attributes of the three species according to the sequence in which they invade successively as a conse Studies on sample plots in Halimione portulacoides com munities show that environmental disturbances, either quence of environmental disturbance. It can therefore be concluded that for understanding this mechanism in the natural or induced by man, start a sequence of partly salt-marsh ecosystem a thorough study on the functioning overlapping density maxima in Suaeda maritima, Aster of these and other relevant biological attributes in the local tripolium and Puccinellia maritima successively, before the populations is essential. original Halimione community totally recovers. When Returning to the basic questions put in the introduction succession time before recovering is long enough, there are it is concluded that: tendencies in redundancy of this sequence stressing the unilinear character of the succession. Minor environmental a) There exist orderly and predictable succession patterns in the investigated salt-marsh vegetation. impacts induce a longer time-lag period of the Suaeda b) Following occasional disturbances, whatever these may density maximum, suggesting threshold values of these impacts for the species to maintain minimal population be, the vegetation recovers via a sequence of overlapping interim species populations showing a unilinear or obliga densities or to become locally extinct. This sequence of tory (Hom 1976) succession pattern.

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Produktdetails

• Verlag: Springer Netherlands
• Seitenzahl: 178
• Erscheinungstermin: 6. Dezember 2012
• Englisch
• ISBN-13: 9789400999879
• Artikelnr.: 44182139

Inhaltsangabe

Opening address.- Personal word to Victor Westhoff.- Plant species and plant communities: An introduction.- Die Quellflur-Gesellschaft des Cratoneuro-Arabidetum bellidifoliae (Koch 1928) in der subalpinen Stufe Graubündens.- Observations on North-West European limestone grassland communities: Phytosociological and ecological notes on chalk grasslands of Southern England.- Vergleich verschiedener Chrysopogon gryllus-reicher Trockenwiesen des insubrischen Klimabereiches und angrenzender Gebiete.- Planning an adaptive numerical classification.- Calluna and its associated species: Some aspects of co-existence in communities.- Aspects of population dynamics in Halimioneportulacoides communities.- Vegetational succession in a South Swedish deciduous wood.- Untersuchungen zur Entwicklung von Gehölz-Aufforstungen auf Bergbaukippen in der Dübener Heide (DDR).- Optimal woodland development on sandy soils in the Netherlands.- Die Bedeutung des Klimas für die Zusammensetzung der Vegetation SW-Ungarns, des Elsasz und der Umgebung von Briançon, Alpes Maritimes.- Geographical changes in the vegetation pattern of raised bogs in the Bay of Fundy region of Maine and New Brunswick.- The importance of closely related taxa for the delimitation of phytosociological units.- Weed species and weed communities.- Le concept de sigmassociation et son application à l'étude du paysage végétal des falaises atlantiques françaises.- A vegetation map of the Netherlands, based on the relationship between ecotopes and types of potential natural vegetation.- Applications phytosociologiques à l'aménagement du territoire.- Evolutionary trends in Mediterranean flora and vegetation.- Plant species and plant communities: Some conclusions.- Reference to original publications in VEGETATIO.- Listof unpublished contributions to the symposium.