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Effect of pre-and post-wildfire management practices on plant recovery after a wildfire in Northeast Iberian Peninsula

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Journal of Forestry Research 2020年第5期31卷 1647-1661页

作者： marcos francos Paulo Pereira Xavier Ubeda GRAM(Grup de Recerca Ambiental Mediterrania) Department of GeographyUniversity of BarcelonaMontalegre608001 BarcelonaSpain Environmental Management Centre Mykolas Romeris UniversityVilniusLithuania

Fire and pre-or post-fire management practices shape the distribution and richness of plant ***,the effects of pre-and post-fire management on vegetation recovery were studied at different times,up to 18 months after a *** months after a 2015 wildfire,18 study plots were established(three 4-m^2 plots for each treatment),vegetation regrowth was monitored and vegetal species richness(S),evenness(IT),density(D),diversity(H0)and maximum diversity(HMax)after 2,10 and 18 *** treatments were(1)control,unaffected by 2015 wildfire;(2)no treatment(NT),burned in 2015 wildfire and not managed;(3)managed in 2005 and burned in 2015(M05B);(4)managed in 2015,2 months before wildfire(M15B);(5)cut and manual removal after the 2015 wildfire(CR);(6)cut and no trunk removal randomly deposited on topsoil after the 2015 wildfire(CL).All the treatments were carried out in a Pinus halepensis Miller *** 10 and 18 months after the wildfire,vegetation recovery was greater in NT,CR and CL plots than in M05B and M15B the *** 18 months after the wildfire,Brachypodium retusum(Pers.)*** Rosmarinus officinalis *** still dominant,especially in M15B,corroborating the belief that pre-fire treatment reduced ecosystem resilience and vegetal recovery compared to the NT and post-fire managed *** was significantly lower 10 months after wildfire in control plots,and IT was significantly higher in that inventory than previously in *** months after the wildfire,H0 was significantly lower in *** months post-wildfire,HMax was significantly lower in the control *** months after the wildfire,HMax,was significantly higher in CR,CL and M05B than in the control and M15B ***,pre-fire management was detrimental to post-fire vegetation recovery,while manual post-fire management proved beneficial.

关键词： Forest management Vegetation recovery Diversity Richness Evenness

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Long-term forest management after wildfire(Catalonia,NE Iberian Peninsula)

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Journal of Forestry Research 2020年第1期31卷 269-278页

作者： marcos francos Xavier Ubeda Paulo Pereira GRAM(Grup de Recerca Ambiental Mediterrania) Department of GeographyUniversity of BarcelonaMontalegre608001 BarcelonaSpain Environmental Management Centre Mykolas Romeris UniversityVilniusLithuania

Studies of post-fire soil status in Mediterranean ecosystems are common;however,few have examined the effects of long-term forest management after a wildfire on physicochemical soil ***,we analyzed differences in soil properties attributable to long-term postfire management and assessed the sustainability of these management practices in relation to the soil *** study area is located in Odena in the northeast region of the Iberian Peninsula consisted of the control forest(burned more than 30 years ago),low density forest(LD;burned in a wildfire in 1986 and managed in 2005)and high density forest(HD;burned in a wildfire in 1986 and no managed).For soils from each plot,we measured soil water repellency,aggregate stability,total nitrogen(TN),soil organic matter(SOM),inorganic carbon(IC),pH,electrical conductivity,extractable calcium,magnesium,sodium,potassium(K),phosphorus,aluminum(Al),manganese(Mn),iron(Fe),zinc,copper,boron,chrome,silicon and sulfur and calculated the ratios of C/N,Ca+Mg/(Na+K)^1/2,Ca/Al and Ca/*** differences were found in TN,IC,SOM,pH,K,Al,Mn,Fe and C/N ratio(p<0.05).All soil properties were found to have largely recovered their pre-fire *** were affected by the post-fire management practices implemented 20 years after the fire,as reflected in their respective physicochemical properties,so that soil properties at the control and LD sites are more similar today than those at the control and HD ***,sustainable forest management can overcome soil degradation in areas affected by wildfire in the medium-and long-term by improving soil properties.

关键词： Soil chemical properties Aggregate stability Post-fire management Wildfire risk Vegetal density

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Human-environmental interaction with extreme hydrological events and climate change scenarios as background

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Geography and Sustainability 2022年第3期3卷 232-236页

作者： Carlos Sánchez-García marcos francos PaleoRisk Research Group Geography DepartmentFaculty of Geography and HistoryUniversity of BarcelonaBarcelonaEspaña IPHES Catalan Institute for Human Palaeoecology and Social Evolution TarragonaEspaña Department of Geography Faculty of Geography and HistoryUniversity of SalamancaCervantes s/n37002SalamancaSpain Centro de Investigación de Estudios Avanzados del Maule(CIEAM) Universidad Católica del MauleAv.San Miguel 36053466706TalcaChile

Climate change significantly impacts the lives of all *** change is composed of multiple factors that affect the population differently,having a very significant impact in the Mediterranean *** beings,through their actions,try to mitigate this impact and thus generate a more resilient *** hydro-logical events are affected by this climate change,with torrential rainfall events and severe droughts becoming *** these trends will allow us to better adapt to future *** study aims to analyse catastrophic floods and severe droughts from paleo studies to studies that focus on future *** this purpose,a search for information has been carried out through other studies over the last five years to have a current perspective of this *** point to changes in the dynamics of floods and droughts,not only worsening the extremes but also affecting the average values of the records of *** addition,the studies point out that anthropic action is accelerating the changes,with human beings and their capacity to adapt being infe-rior to the velocity of this global *** is necessary to generate a paradigm shift in terms of global production by trying to adapt to future extreme flood and drought hazards.

关键词： Climate change Flood hazard Human disaster management Historical floods

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