Avila A, Peñuelas J (1999) Increasing frequency of Saharan rains over northeastern Spain and its ecological consequences. The Science of the Total Environment 228:153-156.
Peñuelas J, Llusià J (1999) Seasonal emission of monoterpenes by the Mediterranean tree Quercus ilex in field conditions: Relations with photosynthetic rates, temperature and volatility. Physiologia Plantarum 105:641-647.
Peñuelas J, Llusià J, Gimeno BS (1999) Effects of ozone concentrations on volatile organic compounds emission in the Mediterranean region. Environmental Pollution 105:17-23.
Peñuelas J, Estiarte M, Kimball BA (1999) Flavonoid responses in wheat grown at elevated CO2: green versus senescent leaves. Photosynthetica 37:615-619.
Escarré A, Carratalá A, Avila A, Bellot J, Piñol J, Millán M (1999) Precipitation chemistry and air pollution. In Rodà F, Retana J, Gracia C, Bellot J (eds) Ecology of Mediterranean evergreen oak forests. Springer, Berlin, pp. 195-208.
Piñol J, Avila A, Escarré A (1999) Water balance in catchments. In Rodà F, Retana J, Gracia C, Bellot J (eds) Ecology of Mediterranean evergreen oak forests. Springer, Berlin, pp. 273-282.
Avila A, Bellot J, Piñol J (1999) Element budgets in catchments. In Rodà F, Retana J, Gracia C, Bellot J (eds) Ecology of Mediterranean evergreen oak forests. Springer, Berlin, pp. 283-296.
Llusià J., Peñuelas J. (1999) Pinus halepensis and Quercus ilex terpene emission as affected by temperature and humidity. Biologia Plantarum. 42: 317-320.EnllaçDoi: 10.1023/A:1002185324152
The short-term relationships of monoterpene emission with temperature and relative humidity were studied in Pinus halepensis L. and Quercus ilex L. seedlings grown in air-conditioned chamber. In P. halepensis terpene emission rate increased with temperature (from 15 to 35 °C) and relative humidity (from 40 - 60 to 65 - 95 %). In Q. ilex, a terpene non-storing species, it increased with temperature only at high relative humidities but not at relative humidities lower than 60 %.
Estiarte M, Peñuelas J (1999) Excess carbon: the relationship with phenotypical plasticity in storage and defense functions of plants. Orsis 14:159-203.
Estiarte M, Peñuelas J, Kimball BA, Hendrix DL, Pinter PA Jr, Wall GW, LaMorte RL, Hunsaker DJ (1999) Free-air CO2 enrichment of wheat: leaf flavonoid concentration throughout the growth cycle. Physiologia Plantarum 105:423-433.
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