Impact of mass movements on geo- and biodiversity in the Polish Outer (Flysch) Carpathians

Alexandrowicz, Zofia; Margielewski, Włodzimierz

doi:10.1016/j.geomorph.2010.07.020

Cited by 68 publications

(44 citation statements)

References 22 publications

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“…The box plots of these two variables are given in Figures 11 and 12, respectively. Stem volume is calculated from the stem curve using Equation (8). The result of the volume comparison also shows a good accuracy, with a relative RMSE of 7.07%.…”

Section: Resultsmentioning

confidence: 99%

“…In particular, understanding the role of trees and forests is increasingly important in high mountain areas, as sloping regions are often characterized by shallow and very slow moving landslides [7]. The so-called "drunken trees", which means that tree stems are displaced from their vertical alignments, are caused by such soil movements [8]. In recent decades, there has been an increased occurrence of soil erosion in many alpine regions [9].…”

Section: Introductionmentioning

confidence: 99%

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Automatic and Self-Adaptive Stem Reconstruction in Landslide-Affected Forests

et al. 2016

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Abstract:Terrestrial laser scanning (TLS) is a promising technique for plot-wise acquisition of geometric attributes of forests. However, there still exists a need for TLS applications in mountain forests where tree stems' growing directions are not vertical. This paper presents a novel method to model tree stems precisely in an alpine landslide-affected forest using TLS. Tree stems are automatically detected by a two-layer projection method. Stems are modeled by fitting a series of cylinders based on a 2D-3D random sample consensus (RANSAC)-based approach. Diameter at breast height (DBH) was manually measured in the field, and stem curves were measured from the point cloud as reference data. The results showed that all trees in the test area can be detected. The root mean square error (RMSE) of estimated DBH was 1.80 cm (5.5%). Stem curves were automatically generated and compared with reference data, as well as stem volumes. The results imply that the proposed method is able to map and model the stem curve precisely in complex forest conditions. The resulting stem parameters can be employed in single tree biomass estimation, tree growth quantification and other forest-related studies.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Automatic and Self-Adaptive Stem Reconstruction in Landslide-Affected Forests

et al. 2016

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“…Including them can complement the present valuation of the stage of nature areas selected for the implementation of tasks in the programme of nature conservation under discussion. The geological and geomorphological locations, usually involving small surfaces, are important to biodiversity, because many of them often form diverse microenvironments that are beneficial to the development of selected priority species of fauna and flora Brancucci et al 2004;Alexandrowicz and Alexandrowicz 2006;Alexandrowicz and Margielewski 2010;Gray 2013;Matthews 2014;Hjort et al 2015). In Poland, these sites principally include the protected monuments of nature and documented sites.…”

Section: Introductionmentioning

confidence: 99%

Conservation of the Natura 2000 Areas in the Context of Environmental Changes in Past and Present: a Case from the Polish Carpathians Geoheritage

Alexandrowicz

Buczek

2018

Geoheritage

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The Ecological Network Natura 2000 project has been implemented in Poland since 2004, based on the Act on Nature Conservation. The Natura 2000 areas are often distinguished by particular values of the geological heritage, and sometimes also of cultural heritage. According to the premises of the programme, natural habitat should be identified by the conditions of occurrence and mutual relationships between the abiotic and biotic elements. Despite this assumption, in many cases, their valuation and description of the abiotic features is too cursory, and sometimes, it is even lacking. The valley of the Tarnawka River in the Polish Carpathians is the selected example of a Natura 2000 area. The presented characteristic of this area constitutes a supplement to its importance in the field of geological and cultural heritage. Also documented was the history of causes and changes of the natural environment dating back to the early Middle Ages. The physiographic characteristic of the area and the results of analysing the past transformations of its environment provide very rich material. It should be useful and used not only to supplement the importance of the area but also to conduct the comparative evaluation of the current and potential changes and threats caused by natural processes but, above all, by human activities.

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“…The research problems undertaken since the turn of the 20th and 21st century, consider geodiversity integrated with the natural habitats and landscapes (silva 2004, jačková, romportl 2008, Alexandrowicz, Margielewski 2010, Parks, Mulligan 2010, Virtanen et al 2010, Pellitero et al 2010, Hjort et al 2012, Kistowski 2012, Hjort et al 2015, and even cultural heritage (Mazurek et al 2015). The preparation of a good zoning plan or landscape-ecological plan (Pauditšová, reháčková 2010(Pauditšová, reháčková , łowicki 2014 requires taking into account the existing and possibly appointing new nature reserves, specifying the directions of their management.…”

Section: Introductionmentioning

confidence: 99%

Geodiversity and Biodiversity of the Postglacial Landscape (Dębnica River Catchment, Poland)

Najwer

Borysiak

Gudowicz

et al. 2016

Quaestiones Geographicae

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NAJWER A., BORYSIAK J., GUDOWICZ J., MAZUREK M., ZWOLIŃSKI ZB., 2016. Geodiversity and biodiversity of the postglacial landscape (dębnica river catchment, Poland). Quaestiones Geographicae 35(1), Bogucki Wydawnictwo Naukowe, Poznań, pp. 5-28, 12 fi gs, 4 tables. ABSTRACT:The preparation of a proper zoning plan or landscape-ecological plan requires taking into account recognition of the natural values of an area covered by the plan and evaluating its abiotic and biotic diversities. The aim of the paper is to present the new approach to the procedure of geodiversity and biodiversity assessment. This procedure is used to characterise abiotic and biotic heterogeneity of the postglacial landscape modifi ed by a man, tested on dębnica River catchment (Western Pomerania, Poland). This catchment is a representative example illustrating the landscape of Central European Plain. The analytical algorithm of the geodiversity assessment is based on appropriate selection of the evaluation criteria: lithological, relative heights, landform fragmentation, hydrographical elements and mesoclimatic conditions. Biodiversity was assessed on the basis of real vegetation, potential natural vegetation and the degree of anthropisation of the natural vegetation with respect to syngenesis of plant associations. Seven factor maps were obtained: fi ve for the diversity of abiotic elements, and two for the diversity of biotic elements, which became the basis for the creation of total geodiversity and biodiversity maps. Maps produced in accordance with given methodology may fi nd a wide range of applications.

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Impact of mass movements on geo- and biodiversity in the Polish Outer (Flysch) Carpathians

Cited by 68 publications

References 22 publications

Automatic and Self-Adaptive Stem Reconstruction in Landslide-Affected Forests

Automatic and Self-Adaptive Stem Reconstruction in Landslide-Affected Forests

Conservation of the Natura 2000 Areas in the Context of Environmental Changes in Past and Present: a Case from the Polish Carpathians Geoheritage

Geodiversity and Biodiversity of the Postglacial Landscape (Dębnica River Catchment, Poland)

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