| Content Provider | Springer Nature : BioMed Central |
|---|---|
| Author | Soler Martin, Marc Bonet, José Antonio Martínez De Aragón, Juan Voltas, Jordi Coll, Lluís Resco De Dios, Víctor |
| Abstract | Key message No temporal change was recorded during summer in fuel availability in Pinus pinaster stands, contrary to predictions from the Forest Fire Weather Index. Also, thinning had no mid-term effect on fuel moisture or canopy structure. Context Forest fires are a major problem in Mediterranean countries. Management actions, such as fuel reductions, are one of the main tools to diminish fire risk, but the midterm efficacy of such tools remains largely untested with empirical data. Aims Here, we test for midterm effects of thinning on fuel moisture and crown bulk density in P. pinaster stands and whether temporal variations in fuel moisture correlated with predictions from the Fire Weather Index, a commonly used index on fire risk, and its components. Methods We compared fuel moisture over a fire season and crown bulk density in nine pairs of thinned/unthinned plots 7 years after treatments were applied. Results We observed that fuel moisture remained stable during a fire season, as a likely result of drought-induced physiological adjustments, including stomatal regulation and others, which allow leaves to maintain a large humidity even during drought, and that thinning had no midterm effect on fuel moisture or crown bulk density. Moreover, the Fire Weather Index and its components displayed different temporal dynamics than those observed in fuel moisture. Conclusion These results are important as they indicate that thinning may only have a limited, short-term impact towards diminishing the potential for crown fire spread in these stands and that current indices to evaluate fire risk may require a re-evaluation. |
| Related Links | https://annforsci.biomedcentral.com/counter/pdf/10.1007/s13595-017-0650-1.pdf |
| Ending Page | 11 |
| Page Count | 11 |
| Starting Page | 1 |
| File Format | HTM / HTML |
| DOI | 10.1007/s13595-017-0650-1 |
| Journal | Annals of Forest Science |
| Issue Number | 3 |
| Volume Number | 74 |
| Language | English |
| Publisher | BioMed Central |
| Publisher Date | 2017-06-28 |
| Access Restriction | Open |
| Subject Keyword | Forestry Wood Science & Technology Forestry Management Tree Biology Environment Crown bulk density Crown fire Fuel moisture Forest management Mediterranean forests Fire risk Seasonal changes |
| Content Type | Text |
| Resource Type | Article |
| Subject | Forestry Ecology |
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