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Herrero Jaúregui, Cristina and Schmitz García, María Fe and Díaz Pineda, Francisco (2016) Effects of different clipping intensities on above- and below-ground production in simulated herbaceous plant communities. Plant Biosystems, 150 (3). pp. 468-476. ISSN 1126-3504, 1724-5575
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Official URL: http://www.tandfonline.com/doi/abs/10.1080/11263504.2014.965800
Abstract
We studied the effect of clipping on above- and below-ground production in different plant communities through a factorial experiment. We designed five pasture systems with different species composition, perennials/annuals ratio and soil water availability, recreating different altitudinal locations, and simulated a gradient of grazing intensity by clipping with different heights and frequencies. Response patterns of above- and below-ground production were similar, increasing with the higher clipping frequency and decreasing with altitude. These results suggest that high grazing intensity stimulate above-ground production, but only in certain situations of species composition, density, diversity,perennials/annuals ratio and water availability. This stimulus, however, is unsustainable over time, and the lower clipping frequencies are those that favour the maintenance of production.
Item Type: | Article |
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Uncontrolled Keywords: | Environmental gradient, Grazing pressure, Mediterranean pastures, Plant diversity |
Subjects: | Medical sciences > Biology > Botany Medical sciences > Biology > Ecology |
ID Code: | 41163 |
Deposited On: | 08 Feb 2017 12:45 |
Last Modified: | 08 Feb 2017 15:03 |
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