<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Faria, Nuno</style></author><author><style face="normal" font="default" size="100%">Rabaça, João E.</style></author><author><style face="normal" font="default" size="100%">Morales, Manuel B.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">The importance of grazing regime in the provision of breeding habitat for grassland birds: The case of the endangered little bustard (Tetrax tetrax)</style></title><secondary-title><style face="normal" font="default" size="100%">Journal for Nature Conservation</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Green plants</style></keyword><keyword><style  face="normal" font="default" size="100%">livestock</style></keyword><keyword><style  face="normal" font="default" size="100%">pasture management</style></keyword><keyword><style  face="normal" font="default" size="100%">Stocking rates</style></keyword><keyword><style  face="normal" font="default" size="100%">Tetrax tetrax</style></keyword><keyword><style  face="normal" font="default" size="100%">vegetation structure</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2012</style></year><pub-dates><date><style  face="normal" font="default" size="100%">2012///</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://linkinghub.elsevier.com/retrieve/pii/S1617138112000350</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">20</style></volume><pages><style face="normal" font="default" size="100%">211 - 218</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">In Mediterranean dry grasslands, grazing by domestic animals is an important agricultural activity on dry grasslands. Several bird species occur in these grazed habitats and are now experiencing a near continuous decline. We investigated the impact of livestock grazing on the threatened little bustard (Tetrax tetrax L.). The study was conducted at the NATURA 2000 Site/Important Bird Area of Cabrela, Portugal. Our main goals were to investigate responses of little bustard territorial males and breeding females to different livestock management practices, namely pasture types, stocking rates and sward structure. Bird distribution was surveyed using car and foot surveys. Data on grazing was supplied by land managers every 10 days from February to June through ﬁeld interviews. Generalised additive models and model averaging were used to compute predictive models. Results indicate that higher probabilities of occurrence were found in long-term pastures and under light-moderate grazing conditions (stocking rates around 0.4 LU/ha). Conversely, lower probabilities of occurrence were found in ungrazed or heavy grazed ﬁelds. Males occurred mostly in large ﬁelds, but this variable seemed to be less important for females. On the other hand, green plant cover and the vegetation height were good predictors for the occurrence of females but not for males. Females used mostly pastures with vegetation height around 20–25 cm. Our results suggest that grazing management plans that aim to conserve little bustard populations should consider (1) the maintenance of the larger long-term pastures and (2) the use of light-moderate stocking rates (0.2–0.6 LU/ha).</style></abstract><issue><style face="normal" font="default" size="100%">4</style></issue></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Escribano Sánchez, Miguel</style></author><author><style face="normal" font="default" size="100%">Rodríguez de Ledesma Vega, Antonio</style></author><author><style face="normal" font="default" size="100%">Mesías Díaz, Francisco Javier</style></author><author><style face="normal" font="default" size="100%">Pulido García, Francisco</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Stocking rate and capital indicators in extensive sheep farms (sw spain)</style></title><secondary-title><style face="normal" font="default" size="100%">Arch. Zootec</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Economic analysis</style></keyword><keyword><style  face="normal" font="default" size="100%">Extensive system</style></keyword><keyword><style  face="normal" font="default" size="100%">Sheep</style></keyword><keyword><style  face="normal" font="default" size="100%">Stocking rates</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2002</style></year><pub-dates><date><style  face="normal" font="default" size="100%">2002///</style></date></pub-dates></dates><volume><style face="normal" font="default" size="100%">51</style></volume><pages><style face="normal" font="default" size="100%">457 - 460</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">The animal production systems in the SW of the Iberian Peninsula are characterized by extensive livestock farming. The data for the present study were collected by survey in the year 2000 from 96 dehesa sheep farms in Extremadura. We studied the stocking rate effects on a number of capital indicators for each farm. The data were analysed for three stocking rate levels: low (&lt;0.25 UGM/ha), medium (0.25-0.5 UGM/ha), and high (0.5 UGM/ha). The differences were compared by analysis of variance, following the GLM procedure.</style></abstract><issue><style face="normal" font="default" size="100%">196</style></issue></record></records></xml>