Unraveling the Effect of Fire Seasonality on Fire-Preferred Fuel Types and Dynamics in Alto Minho, Portugal (2000–2018)

التفاصيل البيبلوغرافية
العنوان: Unraveling the Effect of Fire Seasonality on Fire-Preferred Fuel Types and Dynamics in Alto Minho, Portugal (2000–2018)
المؤلفون: Guiomar, Emanuel Oliveira, Paulo M. Fernandes, David Barros, Nuno
المصدر: Fire; Volume 6; Issue 7; Pages: 267
بيانات النشر: Multidisciplinary Digital Publishing Institute, 2023.
سنة النشر: 2023
مصطلحات موضوعية: wildfires, fuel types, landscape, traditional use of fire, seasonality, fire regime, fire recurrence
الوصف: Socio-demographic changes in recent decades and fire policies centered on fire suppression have substantially diminished the ability to maintain low fuel loads at the landscape scale in marginal lands. Currently, shepherds face many barriers to the use of fire for restoring pastures in shrub-encroached communities. The restrictions imposed are based on the lack of knowledge of their impacts on the landscape. We aim to contribute to this clarification. Therefore, we used a dataset of burned areas in the Alto Minho region for seasonal and unseasonal (pastoral) fires. We conducted statistical and spatial analyses to characterize the fire regime (2001–2018), the distribution of fuel types and their dynamics, and the effects of fire on such changes. Unseasonal fires are smaller and spread in different spatial contexts. Fuel types characteristic of maritime pine and eucalypts are selected by seasonal fires and avoided by unseasonal fires which, in turn, showed high preference for heterogeneous mosaics of herbaceous and shrub vegetation. The area covered by fuel types of broadleaved and eucalypt forest stands increased between 2000 and 2018 at the expense of the fuel type corresponding to maritime pine stands. Results emphasize the role of seasonal fires and fire recurrence in these changes, and the weak effect of unseasonal fires. An increase in the maritime pine fuel type was observed only in areas burned by unseasonal fires, after excluding the areas overlapping with seasonal fires.
وصف الملف: application/pdf
اللغة: English
تدمد: 2571-6255
DOI: 10.3390/fire6070267
URL الوصول: https://explore.openaire.eu/search/publication?articleId=multidiscipl::dfa9b1521974a773ff1bf584a412cb3b
حقوق: OPEN
رقم الأكسشن: edsair.multidiscipl..dfa9b1521974a773ff1bf584a412cb3b
قاعدة البيانات: OpenAIRE
الوصف
تدمد:25716255
DOI:10.3390/fire6070267