Structural diversity of dead wood in small-scaled protected forest parcels in Latvia

Liepa, Līga; Straupe, Inga; Miezīte, Olga; Jansons, Āris

doi:10.22616/rrd.25.2019.002

Cited by 3 publications

(6 citation statements)

References 12 publications

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“…This exceeds the most frequently reported threshold values for deadwood volume (from any species) in both boreal (20-30 m 3 •ha −1 ) and temperate lowland (30-50 m 3 •ha −1 ) forests [50]. Unmanaged forests at some successional stages-especially after disturbances-are often found to store more deadwood than conventionally managed forests [22,[51][52][53], due to continuous removal of large timber from the latter. In managed boreal and temperate forests, deadwood volume is often found to be as low as 2%-30% of the volume found in unmanaged forests [16,21].…”

Section: Discussionmentioning

confidence: 60%

“…A much higher volume has been found in old-growth hemiboreal forests-a mean deadwood volume of 129 m 3 •ha −1 with a range from 36 to 198 m 3 •ha −1 across site types [58]. However, the high deadwood volume is also present in relatively small patches in production forest landscapes-the mean deadwood volume in woodland key habitats in Latvia was found to be 38.2-149.5 m 3 •ha −1 , with the highest volumes found in deciduous stands affected by ash dieback [53].…”

Section: Discussionmentioning

confidence: 96%

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Deadwood Characteristics in Mature and Old-Growth Birch Stands and Their Implications for Carbon Storage

Šēnhofa

Jaunslaviete

Šņepsts

et al. 2020

Forests

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As one of the most abundant tree species in the hemiboreal zone, birch is important from both commercial and biodiversity perspectives. While old-growth deciduous stands are important for biodiversity conservation with an emphasis on deadwood availability, the role that deadwood in these stands plays in carbon sequestration remains unclear. We studied mature (71–110 years old) and old-growth (121–150 years old) birch stands on fertile mineral soils. The marginal mean deadwood volume was 43.5 ± 6.4 m3 ha−1 in all mature stands, 51.3 ± 7.1 m3 ha−1 in recently unmanaged mature stands, and 54.4 ± 4.4 m3 ha−1 in old-growth stands; the marginal mean deadwood carbon pool for each stand type was 5.4 ± 0.8 t·ha−1, 6.3 ± 0.9 t·ha−1, and 7.9 ± 0.6 t·ha−1, respectively. Deadwood volume was not related to stand productivity in terms of stand basal area, stand height, or stand age. The difference between mature and old-growth stands remained non-significant (p < 0.05). A high volume of deadwood was almost continuously present throughout the landscape in assessed unmanaged sites; moreover, 88% of sample plots in old-growth stands and 63% of sample plots in mature stands had a deadwood volume higher than 20 m3·ha−1. Old-growth stands had a slightly greater volume of large deadwood than unmanaged mature stands; in both, almost half of the deadwood was more than 30 cm in diameter and approximately one-fifth had a diameter greater than 40 cm. Both groups of stands had similar proportions of coniferous and deciduous deadwood and lying and standing deadwood. Old-growth stands had a higher volume of recently and weakly decayed wood, indicating increased dieback during recent years.

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Section: Discussionmentioning

confidence: 60%

Section: Discussionmentioning

confidence: 96%

Deadwood Characteristics in Mature and Old-Growth Birch Stands and Their Implications for Carbon Storage

Šēnhofa

Jaunslaviete

Šņepsts

et al. 2020

Forests

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“…The research was based on the methodological approaches presented by Svalov [32], Liepa [33], and Sheingauz [34]. Svalov [32] described the method for compiling unified tables of stand productivity.…”

Section: Methodsmentioning

confidence: 99%

“…Approaches to analyzing various forms of forest management based on forest inventory materials were shown. Liepa [33] conducted long-term studies to assess growing stock dynamics, considering tree species biological traits, habitat conditions, forest management regime, and stand-specific features. Sheingauz [34] suggested analyzing forest dynamics based on long-term forest inventory data.…”

Section: Methodsmentioning

confidence: 99%

Carbon Sequestration Dynamics in Urban-Adjacent Forests: A 50-Year Analysis

Vais,

Mikhaylov,

Popova

et al. 2023

Civ Eng J

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Achieving carbon neutrality is crucial for urban ecosystems. Forests growing near cities largely determine the state of the environment in urban areas. The aim of the present research is to assess the carbon productivity dynamics in forests near Krasnoyarsk (a large industrial center) over a 50-year period in terms of carbon sequestration and conservation. The study was based on forest inventory conducted in Karaul'noe Forestry in 1972, 1982, and 2002 and forest inventory covering six forest compartments in 2022. The forest covers 3980 ha and consists of 52 forest compartments. The analysis was based on the assessment of carbon productivity dynamics and followed four levels of principles: forestry, structure, forest compartment, and forest stand. The research was based on forest fund dynamics, analyzing methods, long-term forest inventory, assessing carbon stock, and growing stock dynamics. Pine is the dominant forest-forming species that absorbs the most carbon in the study area. Pine is long-lived, covers a vast area, and has the highest carbon sequestration potential. At the forest structure level, the predominant carbon pools are mid-late successional and late successional stands dominated by pine, birch, and aspen. Forest compartment-level analysis revealed three trends in carbon sequestration: carbon balance, a decrease in carbon sequestration, and an increase in carbon sequestration. Notably, the prevailing trend is determined by changes in carbon sequestration by dominant forest-forming species (pine). Forest stand-level analysis showed that stands have become more and more uneven-aged. About 65% of total carbon stock is concentrated in mid successional, mid-late successional and late-successional stands, and 35% in young stands. The carbon sequestration rate decreases in forests with age. However, pine forests increase biological productivity and continue to successfully sequester carbon. Deciduous forests have lost their carbon sequestration potential, and the area they occupy is currently decreasing in the study area. The development of the young generation in pine stands suggests that the carbon sequestration potential in forests growing near the city will not decrease and may even increase due to climate change. Doi: 10.28991/CEJ-2023-09-09-08 Full Text: PDF

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“…attēls. Kopējais atmirušās koksnes sadalījums staignāju, platlapju un skujkoku aizsargājamos meža biotopos Zemgalē(Liepa et al 2019)…”

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2021

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Akadēmiskā Dzīve ir latviešu valodā vienīgais nopietna rakstura žurnāls akadēmiskajai saimei un visiem zinātkārajiem par Tēvzemei nozīmīgiem zinātnes, kultūras un sabiedriskiem jautājumiem. Žurnāls iznāk kopš 1958. gada, līdz 2005. gadam -ASV, kopš 2006. gada Akadēmiskās Dzīves apgāds izdod to kopā ar Latvijas Universitātes Akadēmisko apgādu. Pilns žurnāla komplekts atrodas ASV Kongresa bibliotēkā, žurnāls pieejams starptautiskajā zinātnisko publikāciju datubāzē EBSCO

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Structural diversity of dead wood in small-scaled protected forest parcels in Latvia

Cited by 3 publications

References 12 publications

Deadwood Characteristics in Mature and Old-Growth Birch Stands and Their Implications for Carbon Storage

Deadwood Characteristics in Mature and Old-Growth Birch Stands and Their Implications for Carbon Storage

Carbon Sequestration Dynamics in Urban-Adjacent Forests: A 50-Year Analysis

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