Is land abandonment affecting forest dynamics at high elevation in Mediterranean mountains more than climate change
作者： C. Palombo , G. Chirici , M. Marchetti , R. Tognetti
DOI: 10.1080/11263504.2013.772081
关键词: Forest dynamics 、 Geography 、 National park 、 Pinus mugo 、 Ecology 、 Ecotone 、 Physical geography 、 Climate change 、 Population 、 Global change 、 Mediterranean climate
摘要: Global change is leaving a fingerprint on the appearance, structure and productivity of treeline ecotone, modifying patterns mountain ecosystems. In order to implement correct policies for managing natural resources, we examine how climate interrelated with land-use abandonment could shape forests at their upper limit in Mediterranean environment, tree growth periods establishment guide interpretation global effects dynamics. We reconstructed population dynamics pine (Pinus mugo Turra spp. mugo) subalpine belt Majella National Park (Italy). test area 14,440 ha, proposed as pilot study site long-term ecological monitoring, temporal spatial distribution were examined since 1954 by historical aerial ortophotos. Multitemporal maps documented expansion upwards (1 m/year) downwards (3 m/year) pine. Mountain started expand into fo...
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