Floodplain Forests—Key Forest Ecosystems for Maintaining and Sustainable Management of Water Resources in Alluvial Landscape

Machar, Ivo; Hager, Herbert; Pechanec, Vilém; Kulhavý, J.; Minďáš, J.

doi:10.1007/978-3-030-18363-9_11

Cited by 5 publications

(7 citation statements)

References 82 publications

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“…1). The studied area covers 4000 ha situated in the cadastral territory of the city Lanžhot, where the mean annual rainfall reaches 500 mm and the mean annual temperature 9.6 °C (Miklín and Hradecký, 2016). The area is relatively flat with a maximum elevation difference of 35 m. The area spreads on river geological sediments, while the higher sandy parts (called 'hrudy') represent remains of old dunes.…”

Section: Methodsmentioning

confidence: 99%

“…The area is relatively flat with a maximum elevation difference of 35 m. The area spreads on river geological sediments, while the higher sandy parts (called 'hrudy') represent remains of old dunes. A several-metre-thick layer of flood soils and clays has been deposited since the twelfth century as a result of deforestation of higher parts of the river basins (Miklín and Hradecký, 2016). The study area is located within the Lower Morava Biosphere Reserve and is part of NATURA 2000.…”

Section: Methodsmentioning

confidence: 99%

“…The mapping of trees took place through a systematic walking of the study area. Data from the studies Dreslerová (2011) and Miklín et al (2016) were used as supporting material. The trees were evaluated as monumental according to the established registration values of the girth at breast height (Tab.…”

Section: Methodsmentioning

confidence: 99%

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Public recreation and landscape protection - with environment hand in hand…

2022

Public Recreation and Landscape Protection - With Environment Hand in Hand…

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The climatological station in the city of Hradec Králové allows one to evaluate the dynamics of air temperature as an indicator of conditions for recreation in the city. A suitable indicator is the air temperature during various seasons, especially in the summer and possibly in the winter. Increase in the average air temperature in the summer during the period of 1961 to 2020 in the city of Hradec Králové is 2° C. The air temperature has risen more significantly in the last 30 years. Each consecutive decade in the period from 1961 has been the warmest on record. Change in the average temperature in winter changes the conditions for winter sports, both the duration and period of continuous snow cover and restrictions for skating.

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

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Public recreation and landscape protection - with environment hand in hand…

2022

Public Recreation and Landscape Protection - With Environment Hand in Hand…

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“…to agricultural and watercourse regulation, HFFs in Europe have been facing a high level of anthropogenic pressure during the last centuries (Klimo and Hager 2001;Stojanović et al 2015;Schindler et al 2016;Machar et al 2020). Most floodplains in Germany have been converted to agricultural fields or grasslands, others faced a serious alteration of their hydrological regime due to diking.…”

Section: Introductionmentioning

confidence: 99%

Fine root mortality under severe drought reflects different root distribution of Quercus robur and Ulmus laevis trees in hardwood floodplain forests

Leonova

Heger

Navas

et al. 2022

Trees

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Key message Extremely high fine root mortalities were observed under drought in 2018, increasing fine root mortality in young trees could be explained by differences in root distribution compared to old trees. Abstract Juvenile trees in floodplains are prone to high mortality leading to a low success in reforestation in these habitats. One of the reasons contributing to high mortality of juvenile trees could be limited water and nutrient uptake due to a high level of fine root mortality, especially during summer droughts on higher terraces of floodplains. Strategies of different tree species in hardwood floodplain forests (HFFs) on keeping fine roots alive are still poorly understood. During the record-breaking summer drought of 2018, we examined the relationship between tree age and fine root dynamics of Quercus robur and Ulmus laevis along the Elbe River in Germany. Root area index (RAI), live root density (LRD) and relative root mortality (RRM) of young and old Q. robur and U. laevis were analysed by taking soil cores three times during the progression of a summer drought. Old oaks had a lower RAI in the upper soil than young oaks, while RAI of elms did not differ between young and old trees. RRM was very high during summer reaching more than 100% on average. RRM of young trees of both species increased with increasing drought during summer, while RRM of old trees did not change. We argue that differences in the response of RAI between oaks and elms reflect the sink competition between growing deep roots and shallow roots, which is pronounced in oaks due to their characteristic tap root system. Differences in root distribution patterns and the ability to perform hydraulic redistribution may explain the differences in RRM between trees of different species and ages.

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“…Anthropogenic modifications to the water regime are one of the main factors threatening the stability and existence of floodplain forests [1,2,5,12]. Significant landscape-level management interventions, such as extensive river regulations in many European countries [4,6], have significantly affected large areas of original floodplain forests, but their impacts on ecosystem functions have not been always fully explored [13]. As a result of the elimination of regular flooding following river regulations, many floodplain forest ecosystems have become increasingly dependent on ground-water supply of variable quantity and quality.…”

Section: Introductionmentioning

confidence: 99%

The Influence of Forest Management and Changed Hydrology on Soil Biochemical Properties in a Central-European Floodplain Forest

Valtera

Volánek

Holík

et al. 2021

Forests

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Anthropogenic modifications to water regimes are one of the main factors threatening the stability and existence of floodplain forests. This study presents an analysis of topsoil biogeochemistry within three floodplain forest stands with different levels of human alteration. Decreasing contents of soil organic carbon (OC) and microbial biomass were observed along the gradient from natural to plantation forest. High annual variations were observed in soil N contents and in microbial biomass, while comparable spatial variations were observed within the natural forest. High ground-water levels resulted in increased accumulation of available Na+ and SO42− in the natural forest soil, yet the concentrations of ions were at sub-saline levels. The increasing contents of available Mn, SO42− or Cl− had mostly positive effects on soil microbial activity across the sites, though the results indicate the existence of a certain ecological limit for soil microorganisms. Reintroduction of surface-water flooding should be considered in future forest and water management to promote the dilution of ions accumulated in soils and natural deposition of sediments rich in organic matter (OM) at the sites.

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Floodplain Forests—Key Forest Ecosystems for Maintaining and Sustainable Management of Water Resources in Alluvial Landscape

Cited by 5 publications

References 82 publications

Public recreation and landscape protection - with environment hand in hand…

Public recreation and landscape protection - with environment hand in hand…

Fine root mortality under severe drought reflects different root distribution of Quercus robur and Ulmus laevis trees in hardwood floodplain forests

The Influence of Forest Management and Changed Hydrology on Soil Biochemical Properties in a Central-European Floodplain Forest

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