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Université de Neuchâtel

Soil Microbial Community Changes in Wooded Mountain Pastures due to Simulated Effects of Cattle Grazing

Kohler, Florian ; Hamelin, Jérôme ; Gillet, François ; Gobat, Jean-Michel ; Buttler, Alexandre

In: Plant and Soil, 2005, vol. 278, no. 1-2, p. 327-340

The effect of cattle activity on pastures can be subdivided into three categories of disturbances: herbage removal, dunging and trampling. The objective of this study was to assess separately or in combination the effect of these factors on the potential activities of soil microbial communities and to compare these effects with those of soil properties and plant composition or biomass. Controlled...

Université de Neuchâtel

Seasonal vegetation changes in mountain pastures due to simulated effects of cattle grazing

Kohler, Florian ; Gillet, François ; Gobat, Jean-Michel ; Buttler, Alexandre

In: Journal of Vegetation Science, 2004, vol. 15, no. 2, p. 143-150

Cattle influence grassland dynamics in three ways: herbage removal, dung deposition and trampling. The objective of this study was to assess the effects of these factors, separately or in combination, and to compare them with cattle grazing over a one year period in a field experiment conducted in the Jura Mountains of northwestern Switzerland. A set of controlled treatments simulating the three...

Université de Neuchâtel

Effect of cattle activities on gap colonization in mountain pastures

Kohler, Florian ; Gillet, François ; Gobat, Jean-Michel ; Buttler, Alexandre

In: Folia Geobotanica, 2006, vol. 41, no. 3, p. 289-304

Cattle influences gap dynamics in pastures in two ways: (1) by creating gaps and (2) by affecting the colonization process. This effect of cattle activity on gap revegetation can be subdivided in three main factors: herbage removal, trampling and dung and urine deposition. The objective of this study was to assess how these three effects moderate the plant succession following gap creation. ...