Early postfire vegetation recovery of Pinus brutia forests: effects offire severity, prefire stand age, and aspect

Kavgacı, Ali; Örtel, Erdal; Torres, Iván; Safford, Hugh D.

doi:10.3906/tar-1601-21

Cited by 17 publications

(6 citation statements)

References 57 publications

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“…However, after severe burns, external disturbances may exceed the internal self‐regulation ability of the forest, the ecosystems degrade irreversibly and the forest struggles to recover . In the coniferous forest area, hydrothermal and other ground surface processes and in shallow soils are far more complex than those in grasslands or shrublands; a post‐fire secondary vegetation succession generally takes more than 100 years ( e.g ., ). Additionally, more available seeds are generally stored in the topsoil and soil organic matter (SOM) layer in the coniferous forest; the SOM layer is completely burned, a large number of seeds die after a severe burn, and the remaining adult trees are few, so these factors have greatly limited seed dispersal .…”

Section: Discussionmentioning

confidence: 99%

Effects of forest fires on the permafrost environment in the northern Da Xing'anling (Hinggan) mountains, Northeast China

Jin

et al. 2019

Permafrost & Periglacial

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Forest fires have significantly impacted the permafrost environment, and many research programs looking at this have been undertaken at higher latitudes. However, their impacts have not yet been systematically studied and evaluated in the northern part of northeast China at mid‐latitudes. This study simultaneously measured ecological and geocryological changes at various sites in the boreal forest at different stages after forest fires (chronosequence approach) in the northern Da Xing'anling (Hinggan) Mountains, Northeast China. We obtained results through field investigations, monitoring and observations, remote sensing interpretations, and laboratory tests. The results show that forest fires have resulted in a decreased Normalized Difference Vegetation Index (NDVI) and soil moisture contents in the active layer, increased active layer thickness (ALT) and ground temperatures, and the release of a large amount of C and N from the soils in the active layer and at shallow depths of permafrost. NDVI and species biodiversity have gradually increased in the years since forest fires. However, the vegetation has not fully recovered to the climax community structures and functions of the boreal forest ecosystems. For example, ground temperatures, ALT, and soil C and N contents have been slowly recovering in the 30 years after the forest fires, but they have not yet been restored to pre‐fire levels. This study provides important scientific bases for assessment of the impacts of forest fires on the boreal forest ecosystems in permafrost regions, environmental restoration and management, and changes in the carbon stock of soils at shallow (<3 m) depths in the Da Xingan'ling Mountains in northeast China.

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Section: Discussionmentioning

confidence: 99%

Effects of forest fires on the permafrost environment in the northern Da Xing'anling (Hinggan) mountains, Northeast China

Jin

et al. 2019

Permafrost & Periglacial

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“…Post-fire regeneration of natural stands of pine forests depends on various factors (Kavgacı et al 2010). Site physiography and soil properties play an important role in regeneration success but stand age and the persistence of scattered unburned trees, or groups of trees, that can act as source of seeds are also relevant (Kavgacı et al 2016). Pine stands of high naturalness tend to regenerate easily after wildfires and generally there is no need for external input for their restoration.…”

Section: Fire Adaptation and Flammability Of Mediterranean Forestsmentioning

confidence: 99%

‘Back to the Future’—Oak wood-pasture for wildfire prevention in the Mediterranean

Bergmeier¹,

Capelo²,

Pietro³

et al. 2021

Plant Sociology

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In the summer of 2021, enormous wildfires in the Mediterranean eliminated huge areas of mainly coniferous forest, destroyed adjacent settlements and claimed the lives of many people. The fires indicate effects of climate change and expose consequences of rural demographic changes, deficits in regional and touristic development planning and shortcomings in forest policy. This forum article highlights the dimensions of the problem, calls for a paradigm shift and shows solutions. Land abandonment, woody plant encroachment and non-reflective afforestation are leading to increasing amounts of combustible biomass. To prevent disastrous fires in future, fundamental changes in tree species composition, forest structure and management are essential. Plantations of reseeding pines are to be substituted by spacious or periodically open woodlands of long-lived trees with resprouting capacity such as Mediterranean oaks. Biomass-reducing practices including wood-pasture have to be revived in rural and peri-urban areas. Exemplary fire-resistant multifunctional oak woodlands occur throughout the Mediterranean. Urgent and medium-term measures in the burnt areas include promoting natural ecosystem regeneration, developing regionalized seed banks and nurseries to support native genetic resources, fostering vegetation mosaics of groves and multiple-use open and coppice woodland maintained by traditional practices, and in general forest management aiming at fuel biomass reduction and a policy counteracting land abandonment.

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“…Forest fires that occurred in the Serik district of Antalya province in 2008, where 15 795 ha of forest burned, lasted for several days before they were controlled; this was due to the forest's composition being Calabrian pines (P. brutia) and the high wind speeds in the area at the time. This fire was the largest forest fire ever recorded in Turkey (Çoban and Eker 2010;Avcı et al 2016).…”

Section: Introductionmentioning

confidence: 98%

Forest fire and law: an analysis of Turkish forest fire legislation based on Food and Agriculture Organization criteria

et al. 2021

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Background Because of climate and forest vegetation, Turkey has regions (particularly the Mediterranean and Aegean regions) that are vulnerable to forest fires. Approximately 2000 forest fires have occurred every year for the last 20 years, with at least 48% of them caused by humans. This percentage increases to 71% when the rates of fires of unknown causes are included. In this study, legislation on Turkish forest fires was analyzed based on the Food and Agriculture Organization’s (FAO’s) guide, “Forest Fires and the Law.” The guide was prepared by expert lawyers and addresses the basic topics of definitions; institutional setup and interinstitutional coordination planning, monitoring, and assessment; prevention and preparedness; detection and early warning and suppression; participatory and community-based approaches to fire management; fire use; rehabilitation; and law enforcement. The objective of this study was to reveal the current status of Turkish forestry legislation and its practices based on the FAO guide. Results According to our analysis, Turkish forestry legislation has followed the FAO criteria 78.1% of the time. It is clear that effective regulations exist, with the Turkish Constitution being the foremost touchstone. The results illustrate that, no matter how strong the legislation is, a deficiency in administrative measures and a lack of public awareness make combating forest fires unsuccessful. Conclusions The areas that need to be improved have been determined to be definitions, participatory and community-based approaches to fire management, and creating a fire line. A focus on public participation and the social approach is needed.

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Early postfire vegetation recovery of Pinus brutia forests: effects offire severity, prefire stand age, and aspect

Cited by 17 publications

References 57 publications

Effects of forest fires on the permafrost environment in the northern Da Xing'anling (Hinggan) mountains, Northeast China

Effects of forest fires on the permafrost environment in the northern Da Xing'anling (Hinggan) mountains, Northeast China

‘Back to the Future’—Oak wood-pasture for wildfire prevention in the Mediterranean

Forest fire and law: an analysis of Turkish forest fire legislation based on Food and Agriculture Organization criteria

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