| Content Provider | Springer Nature : BioMed Central |
|---|---|
| Author | Piñas-Bonilla, Paula Zavala, Gonzalo Pérez, Beatriz Luna, Belén |
| Abstract | Key message Cistus ladanifer L. shows an extraordinary plasticity of germination and growth. Fire promotes the regeneration of C. ladanifer by triggering its germination through thermal shock as well as by enhancing its seedling growth through the addition of ashes. On the contrary, stacking of Pinus pinaster Ait. leaf litter may hinder seedling establishment, at least in the first months after germination. Context Pinus pinaster Ait. is affected by forest fires in the Mediterranean basin. Its extreme flammability is due to the high spatial continuity together with the massive accumulation of leaf litter. Cistus ladanifer L. is a species which is widely distributed in the west Mediterranean region where it can form vast shrublands and flourish under these pinewoods. Although high temperatures associated with the occurrence of fire trigger germination of C. ladanifer, knowledge on how other factors, such as the presence of litter on the forest floor or the ash left after the fire, influence germination and seedling growth is essential to improve land management plans. Aims The main objective of this study was to determine the effects of different loads of litter from P. pinaster and ash from their combustion on the germination and growth of seedlings of C. ladanifer. Methods Two experiments were carried out to assess the effect of heat shock (100 °C for 10 min) and two loads of litter and ash from P. pinaster (control, high and low loads of litter, high and low loads of ash) on the germination and growth after 2 and 4 months of C. ladanifer. Results Heat shock significantly increased the germination of C. ladanifer. In contrast, the addition of litter and ash had no effect on total germination but affected the growth of the seedlings coming from seeds exposed to heat shock. Litter treatments reduced biomass of 2 months seedlings and ash increased biomass of 4 months seedlings. Conclusion C. ladanifer is a species favoured by fire in different ways depending on the stage of regeneration. Germination is promoted by heat shock while seedling growth is favoured by ash nutrients. In contrast, pine leaf litter hinders seedling growth, although this effect disappears 4 months after germination. Alternative forest management practices to prescribed fires are recommended if preventing the spread of Cistus is a priority. |
| Related Links | https://annforsci.biomedcentral.com/counter/pdf/10.1186/s13595-024-01258-3.pdf |
| Ending Page | 15 |
| Page Count | 15 |
| Starting Page | 1 |
| File Format | HTM / HTML |
| DOI | 10.1186/s13595-024-01258-3 |
| Journal | Annals of Forest Science |
| Issue Number | 1 |
| Volume Number | 81 |
| Language | English |
| Publisher | BioMed Central |
| Publisher Date | 2024-09-26 |
| Access Restriction | Open |
| Subject Keyword | Forestry Wood Science & Technology Forestry Management Tree Biology Environment Biomass Cistaceae Fire Maritime pine Seed dormancy Prescribed fires Seedlings |
| Content Type | Text |
| Resource Type | Article |
| Subject | Forestry Ecology |
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