Cattle Grazing Fails to Control Shrub Encroachment in Mediterranean Landscapes
作者： Juan Antonio Calleja , Marta Escolà , Josep María Forcadell , João Carvalho , Emmanuel Serrano
DOI: 10.1016/J.RAMA.2019.04.005
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摘要: Abstract The Common Agricultural Policy supports the use of free-ranging cattle herds to control woody encroachment and fire hazards in Europe. There is, however, little empirical evidence about effectiveness extensive grazing preserve open landscapes Mediterranean Basin. In this work, we evaluated effects beef on vegetation structure a ecosystem using twofold framework: 1) analyzing temporal changes forest, shrub, grassland cover areas under different pressures for 16 yr (1993 − 2009) 2) studying diet selection assess impact local vegetation. Our landscape analyses revealed remarkable change land over study period. However, community dynamics seemed be more related natural succession than effects. Extensive grasslands but only at high stocking rates. On other hand, supported lack role control. Beef diets were based herbaceous plants (59%) with lower contribution ones (41%). Cattle showed significant preference (P
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