Land-cover and land-use in a Mediterranean landscape: a spatial analysis of driving forces integrating biophysical and human factors.

Serra P, Saurí D, Pons X (2008) Land-cover and land-use in a Mediterranean landscape: a spatial analysis of driving forces integrating biophysical and human factors. Applied Geography 28:189-209.

Response of the invader Cortaderia selloana and two coexisting natives to competition and water stress.

Domènech R, Vilà M (2008) Response of the invader Cortaderia selloana and two coexisting natives to competition and water stress. Biological Invasions 10: 903-912.

Cortaderia selloana seed germination under different ecological conditions.

Domènech R, Vilà M (2008) Cortaderia selloana seed germination under different ecological conditions. Acta Oecologia 33 : 93-96.

Monitoring farmers' decisions on Mediterranean irrigated crops using satellite image time series.

Serra P, Pons X (2008) Monitoring farmers' decisions on Mediterranean irrigated crops using satellite image time series. International Journal of Remote Sensing 29 (8): 2293 – 2316.

Pollination networks and functional specialization: a test using Lesser Antillean plant-hummingbird assemblages.

Dalsgaard B, Martín González A M, Olesen J M, Timmermann A, Andersen L A, Ollerton J (2008) Pollination networks and functional specialization: a test using Lesser Antillean plant-hummingbird assemblages. Oikos 117: 789-793.

Revision of the Single-Channel Algorithm for Land Surface Temperature Retrieval from Landsat Thermal-Infrared data.

Jiménez-Muñoz JC, Cristóbal J, Sobrino JA, Sòria G, Ninyerola M, Pons X (2008) Revision of the Single-Channel Algorithm for Land Surface Temperature Retrieval from Landsat Thermal-Infrared data. IEE Transactions in Geoscience and Remote Sensing 47 (1): 339-349.

Contrasting effects of invasive plants in plant-pollinator networks.

Bartomeus N, Vilà M, Santamaría L (2008) Contrasting effects of invasive plants in plant-pollinator networks. Oecologia 155: 761-770.

Improvements in Land Surface Temperature Retrieval from the LANDSAT Series Thermal Band Using Water Vapour and Air temperature.

Cristóbal J, Jiménez-Muñoz JC, Sobrino JA, Ninyerola M, Pons X (2008) Improvements in Land Surface Temperature Retrieval from the LANDSAT Series Thermal Band Using Water Vapour and Air temperature. Journal of Geophysical Research – Atmospheres 114, D08103, doi:10.1029/2008JD010616.

Modeling air temperature through a combination of remote sensing and GIS data.

Cristóbal J, Ninyerola M, Pons X (2008) Modeling air temperature through a combination of remote sensing and GIS data. Journal of Geophysical Research – Atmospheres, 113 D13106

Implications of foliar terpene content and hydration on leaf flammability of Quercus ilex and Pinus halepensis

Alessio G.A., Peñuelas J., De Lillis M., Llusià J. (2008) Implications of foliar terpene content and hydration on leaf flammability of Quercus ilex and Pinus halepensis. Plant Biology. 10: 123-128.
Enllaç
Doi: 10.1111/j.1438-8677.2007.00011.x

Resum:

We investigated the implications of foliar hydration and terpene content on leaf flammability in two widely distributed forest species of the Mediterranean basin, Quercus ilex, which does not store terpenes, and Pinus halepensis, a terpene-storing species. The experiments were carried out in plants grown under different water regimes that generated a wide range of foliar hydration and terpene contents. We monitored the temperatures and time elapsed to reach the smoke, pyrolysis and flame phases. Smoke appeared much earlier (37 versus 101 s) and at lower temperatures (96 versus 139 °C) in Quercus ilex than in Pinus halepensis. Quercus ilex reached pyrolysis earlier than Pinus halepensis (278 versus 338 s) but at the same temperature (365-371 °C). There were no significant differences in time elapsed nor in temperature for flammability (386-422 s; 505-487 °C in both species). Quercus ilex had lower water hydration than Pinus halepensis (41 versus 100%) and the leaf content of terpenes in Quercus was three orders of magnitude lower. The results of this study show no differences in the flame phase between the two species and the absence of a significant relationship between temperature and elapsed time of the different flammability phases in relation to monoterpene content; thus indicating that the role of monoterpenes in flammability phases is smaller than that of the water content. This, however, does not exclude the effects of terpene content on plant combustibility and fire propagation once fires start. © 2008 German Botanical Society and The Royal Botanical Society of the Netherlands.

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