Seven spruce species on a mountain site - performance, foliar nutrients, and forest floor properties in stands 20 years old

Špulák, O.; Kacálek, D.; Balcar, V.

doi:10.3832/ifor2731-011

Cited by 6 publications

(1 citation statement)

References 28 publications

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“…Through reforestation, in the 1990s, several exotic species (blue spruce-Picea pungens, black spruce-Picea mariana, etc.) were introduced to produce stands more resistant to air pollution [34]. Currently, conversion projects to establish forests close to the native composition are motivated by the need for higher ecosystem stability and resistance to global warming.…”

Section: Study Sitementioning

confidence: 99%

Environmental Role of Snowmelt in Headwaters Affected by Atmospheric Acid Deposition

Křeček,

Šedivá,

Palán

et al. 2023

Water

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In headwaters, snowmelt affects the replenishment of water resources as well as the occurrence of natural hazards. The environmental impacts of snowpack were analysed in a small forest catchment (Jizera Mountains, Czech Republic) in the context of forest dynamics, atmospheric deposition, and climate, 1982–2021. Snowmelt dominates in March–May with 41% of the long-term annual water yield; however, there is also seasonal acidification of stream water. Forest clear-cutting together with air pollution control has contributed to a decrease in the acid atmospheric load, but, in the spring, streams’ pH is often below the environmental threshold of 5.3. Snowmelt volumes did not show significant transformation with forest canopy and do not affect summer low flows. Peak flows in the springtime do not exceed summer flash floods (frequencies up to 0.13 against 0.02). Mean annual air temperature is increasing by 0.26 ± 0.08 °C per decade with more intensive warming (0.64 ± 0.1 °C per decade) in the winter season. The seasonal reduction in snowpack duration and maximum snow water equivalent (5.5 ± 1.2 days and 34 ± 8.6 mm per decade) corresponds with the largest drop in snow cover duration reported in zones of seasonal temperatures ranging from −5° to +5 °C.

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Section: Study Sitementioning

confidence: 99%

Environmental Role of Snowmelt in Headwaters Affected by Atmospheric Acid Deposition

Křeček,

Šedivá,

Palán

et al. 2023

Water

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Role of forests in headwater control with changing environment and society

Křeček

Nováková²,

Palán³

et al. 2021

International Soil and Water Conservation Research

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Worldwide comparison of carbon stocks and fluxes between native and non‐native forests

Lázaro‐Lobo,

Fernandez,

Alonso

et al. 2024

Biological Reviews

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Climate change is one of the main challenges that human societies are currently facing. Given that forests represent major natural carbon sinks in terrestrial ecosystems, administrations worldwide are launching broad‐scale programs to promote forests, including stands of non‐native trees. Yet, non‐native trees may have profound impacts on the functions and services of forest ecosystems, including the carbon cycle, as they may differ widely from native trees in structural and functional characteristics. Also, the allocation of carbon between above‐ and belowground compartments may vary between native and non‐native forests and affect the vulnerability of the carbon stocks to disturbances. We conducted a global meta‐analysis to compare carbon stocks and fluxes among co‐occurring forests dominated by native and non‐native trees, while accounting for the effects of climate, tree life stage, and stand type. We compiled 1678 case studies from 250 papers, with quantitative data for carbon cycle‐related variables from co‐occurring forests dominated by native and non‐native trees. We included 170 non‐native species from 42 families, spanning 55 countries from all continents except Antarctica. Non‐native forests showed higher overall carbon stock due to higher aboveground tree biomass. However, the belowground carbon stock, particularly soil organic carbon, was greater in forests dominated by native trees. Among fluxes, carbon uptake rate was higher in non‐native forests, while carbon loss rate and carbon lability did not differ between native and non‐native forests. Differences in carbon stocks and fluxes between native and non‐native trees were greater at early life stages (i.e. seedling and juvenile). Overall, non‐native forests had greater carbon stocks and fluxes than native forests when both were natural/naturalised or planted; however, native natural forests had greater values for the carbon cycle‐related variables than plantations of non‐native trees. Our findings indicate that promoting non‐native forests may increase carbon stocks in the aboveground compartment at the expense of belowground carbon stocks. This may have far‐reaching implications on the durability and vulnerability of carbon to disturbances. Forestry policies aimed at improving long‐term carbon sequestration and storage should conserve and promote native forests.

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Seven spruce species on a mountain site - performance, foliar nutrients, and forest floor properties in stands 20 years old

Cited by 6 publications

References 28 publications

Environmental Role of Snowmelt in Headwaters Affected by Atmospheric Acid Deposition

Environmental Role of Snowmelt in Headwaters Affected by Atmospheric Acid Deposition

Role of forests in headwater control with changing environment and society

Worldwide comparison of carbon stocks and fluxes between native and non‐native forests

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