Abstract
Abstract The present research deals with carbon sequestration, as an important process for mitigating the effects of climate change. The investigation focuses on a 30-year period and it covers only aboveground biomass that builds up from natural forest regrowth, excluding any plantation techniques. Potential carbon sequestration rate from natural forest regrowth in Godech Municipality was measured in Mg C ha−1 yr−1 and the resolution of the map was 1x1 km. The results of the study display that carbon accumulation values in the researched area were consistent with those that were expected in the largest parts of Bulgaria. The biggest share of Godech Municipality falls within the range of 0.82 – 0.96 Mg C ha−1 yr−1 with restricted areas around the villages of Barlya, Smolcha, Gubesh, Murgash and Varbnitsa that may accumulate between 0.96 – 1.11 Mg C ha−1 yr−1. In conclusion, carbon accumulation only from natural forest regrowth provides representative information, however it would have been better if different plantation techniques were regarded as well. The successful results of the investigation should encourage other studies of this type in the neighbouring municipalities.
Highlights
Enhancing global response to ongoing changes in climate is a crucial goal nowadays
The territory of Godech Municipality, which has been used as the case study area for the current study, lies along the ancient Roman road of Via Militaris or Via Diagonalis that passed through the Great Bulgarian Forest (Magna Silva Bulgarica) – a proof that the municipality has been covered by an extensive forest, which is the necessary requirement for the purposes of the current study
The carbon accumulation potential from natural forest regrowth in Godech Municipality follows the pattern that is typical for the most parts of Bulgaria and fall within the range of 0.82 – 0.96 Mg C ha−1 yr−1 (Fig. 1)
Summary
Enhancing global response to ongoing changes in climate is a crucial goal nowadays. The 1.5 °C baseline above preindustrial levels is being discussed by the minute [18], and scientists throughout the world are competing to get the results we all need [12]. Researchers aim at studying the aboveground alpine carbon pool [24] and conduct a review on a global scale, concerning past land use, climate, active and passive restoration effects on forest recovery [19]. They present a global database of forest carbon stocks and fluxes [2] and focus on the investigation of the effects of the natural forest regeneration [22], as well. Other researchers focused on a particular soil type. [1] Researchers studied representative forest ecosystems in Bulgaria and conducted an investigation, focused on the area of Karlovo Municipality, as well [9,16]
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