We are performing a study that intends to relate the natural regeneration of Quercus species - Q. pyrenaica, Q. suber, Q. rotundifolia, Q. robur, Q. faginea - in the center-eastern part of Portugal (Castelo Branco region), with the environmental factors in order to use that data (oak trees occurrence and other woody plants) as soil and climate indicators for different purposes (e.g., suitability for crops and forest stands).
The soil and climate attribute suitability and constraints per species to analyze are: soil pH, soil texture, soil type, lithology, temperature, rainfall, humidity, bioclimatic indices.
Thanks in advance
Some relevant environmental variables and practical proxies maybe extracted from the two attached articles.
Article Nitrogen and phosphorus limited production of cereals and se...
Article Transferability of species distribution models: The case of ...
Among many, I once found the ones below quite useful:
Tretiach, M. 1993. Photosynthesis and transpiration of evergreen Mediterranean and deciduous trees in an ecotone during a growing season. Acta Oecologia, 14: 341-360.
Varela, M. C., 2001. Country report: Portugal. 52-56 pp. In: Mediterranean Oaks Network. Report of the first meeting. 12-14 October 2000, Antalya, Turkey. (Compil. S. Borelli, M. C. Varela). International Plant Genetic Resources Institute, Rome, Italy. pp. 6-14.
Vitale, M., Anselmi, S., Salvatori, E., Manes, F. 2007. New approaches to study the relationship between s tomatal conductance and environmental factors under Mediterranean climatic conditions. Atmos. Environ., 41: 5385-5397.
Dear Luis,
There are many papers in relation to growth of Quercus species and climate under Mediterranean climate conditions. Some of them are these below.
Sincerely,
Gutiérrez, E et al.2011. Climate controls act at different scales on the seasonal pattern of Quercus ilex L. stem radial increments in NE Spain. Trees
Rozas V. et al. 2005. Dendrochronology of pedunculate oak (Quercus robur L.) in an old-growth pollarded woodland in northern Spain: tree-ring growth responses to climate. Annals of forest science
Campelo F. 2007. Relationships between climate and double rings in Quercus ilex from northeast Spain. Canadian Journal of forest research.
Caro Luís,
Your question has elicited a wealth of sources which I hope will prove valuable. Otherwise you may want to consult Carlos Pinto Gomes &/or Carlos Vila-Viçosa, both Quercus experts, at Évora university. Will be happy to furnish e-addresses if requested.
Hi, sorry for cross posting. I would be grateful if we work on the origin and dispersal of Quercus species. If anyone would have interest and as our peers already have mentioned here.
There is many ecological studies carried on Himalayn region Oaks like Q. leucotricophora, Q. floribunda, Q. semicarpifolia in India and Nepal region. These studies may help in knowing the autoecology of of other Oak species too.
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