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The significance of waterfowl grazing in the primary vegetation succession on embanked sandflats

โœ Scribed by Joenje, W.

Publisher
Springer-Verlag
Year
1985
Tongue
English
Weight
938 KB
Volume
62
Category
Article
ISSN
1573-5052

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โœฆ Synopsis

In the annual stage of a primary plant succession on desalinating sandflats of the Lauwerszeepolder, N Netherlands, grazing by waterfowl is a dominant factor, as is illustrated by exclosures. It is concluded from population dynamical data, that both the removal of biomass and the predation of seeds sustain the annual species and retard succession towards the next stage of a perennial grassland by several years. Yearly mowing in September slightly enhances succession by selectively affecting the dominant annual Salicornia species.

The recurrence of high salinities in the upper soil layer of bare, c.q. grazed surfaces is expected to limit the invasion of grass species and other perennials.

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