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Fire-scar formation in Jeffrey pine - mixed conifer forests in the Sierra San Pedro Martir, Mexico
| Content Provider | Semantic Scholar |
|---|---|
| Author | Stephens, Scott L. Fry, Danny L. Collins, Brandon M. Skinner, Carl N. Franco-Vizcaíno, Ernesto Freed, Travis |
| Copyright Year | 2010 |
| Abstract | Little is known about the probability of fire-scar formation. In this study, we examined all mixed conifer trees for fire-scar formation in a 16 ha watershed that burned as part of a 2003 wildfire in Sierra San Pedro Martir National Park (SSPM), Mexico. In addition, we examine the probability of fire-scar formation in relation to the previous fire inter- val in forests in the SSPM and Sierra Nevada. Within the 16 ha SSPM watershed, 1647 trees were assessed (100% census) for new fire scars. The SSPM wildfire burned around the base of 78% of the trees, but only 8% developed a new fire scar. Although the years from tree germination to first fire scar could potentially represent a fire-free period, there is clear evi- dence from this study that the inclusion of this interval when computing fire statistics is not justified. When the time since previous fire was 57 years, the probability of rescarring was approximately 0.05, 0.5, and 0.75, respectively. In areas where fires were frequent (<10 years), fire frequencies derived from fire scars will likely underestimate true fire frequency, at least in forests that are similar to those studied here. Resume ´ : La probabilitequ'une cicatrice de feu se forme est peu connue. Dans cette etude, nous avons examinela forma- tion des cicatrices de feu chez toutes les tiges de coniferes melanges dans un bassin de 16 ha qui a brulelors d'un incen- die de foret en 2003 dans la Sierra San Pedro Martir (SSPM), au Mexique. De plus, nous avons etudiela probabilite ´ |
| Starting Page | 1497 |
| Ending Page | 1505 |
| Page Count | 9 |
| File Format | PDF HTM / HTML |
| DOI | 10.1139/X10-083 |
| Volume Number | 40 |
| Alternate Webpage(s) | https://nature.berkeley.edu/stephenslab/wp-content/uploads/2015/04/Stephens-et-al.-2010-SSPM-fire-scar-CJFR-7-10.pdf |
| Alternate Webpage(s) | http://cnr.berkeley.edu/stephens-lab/Publications/Stephens%20et%20al.%202010%20SSPM%20fire%20scar%20CJFR%207-10.pdf |
| Alternate Webpage(s) | https://doi.org/10.1139/X10-083 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
