Methodical basis for landscape structure analysis and monitoring: inclusion of ecotones and small landscape elements

Beschreibung

Wei Hou Methodical basis for landscape structure analysis and monitoring: inclusion of ecotones and small landscape elements Volume 12 of the series "Remote Sensing and Applied Geoinformatics" Edited by Univ. Prof. Dr. habil. Elmar Csaplovics, Chair of Remote Sensing, FR Geosciences, TU Dresden 134 pages, DIN B5 format, numerous illustrations, many of them colored. Language: English. Price: 32.80 Euro. ISBN 978-3-944101-21-7. Publisher: Rhombos Verlag, Berlin 2017 A thesis submitted in partial fulfilment of the requirements of the Faculty of Forest, Geo and Hydro Sciences of Technische Universität Dresden for the degree of Doctor of Natural Sciences (Dr.rer.nat.) in 2014 About this book Effective methods for measuring habitat pattern at landscape level are crucial for understanding the ecological processes. The widely used patch-corridor-matrix model in landscape structure analysis may be oversimplified by losing valuable information, such as the terrain characteristics of landscape, ecotones, and small biotopes. The present work originates from the integration of the third spatial dimension in land-cover classification and landscape structure analysis. The focus is on the extraction of ecotones and small landscape elements based on high-resolution images and DEMs, and the integration of these elements in 3D landscape metrics. This work is meant to supply a possible way to enhance the model of landscape structure analysis. It may be interested to both scientists and practitioners in this field.

Autor*in

Wei Hou
Wei Hou (born in 1984) studied Geo-information Science at the China University of Mining and Technology from 2002 to 2009. He has been working as a guest researcher at the Leibniz Institute of Ecological Urban and Regional development in the field of landscape ecology and GIS from 2009 to 2014. Since 2015, he works at the Chinese Academy of Surveying and Mapping (CASM) as research associate. This book was part of his PhD degree of Geoinformatics from the Dresden University of Technology in 2014.

Themen in »Methodical basis for landscape structure analysis and monitoring: inclusion of ecotones and small landscape elements«

RapidEye ecotone concept land-cover classification landscape ecology landscape monitoring landscape structure analysis

Stimmen zu »Methodical basis for landscape structure analysis and monitoring: inclusion of ecotones and small landscape elements«

Foreword The now printed thesis of Mr. Wei Hou, which originated in the period of his stay at the Leibniz Institute of Ecological and Regional Development, deals with advanced methods of landscape structure analysis and remote sensing for landscape monitoring. Background is a widespread approach in landscape ecology, according to which the landscape structure or, in other words, the "pattern" or "mosaic" of a landscape arises from the composition and arrangement of discrete patches, e.g. Individual land use units. These spatial patterns can be quantified using "landscape metrics". The goal is to capture the structure of a landscape, to document it for the purpose of monitoring, or to provide it as input parameters for landscape ecological simulation models. Up to now, however, landscape metrics have mostly deviated from concrete landscape elements. Ecologically important transitional areas between such elements, e.g. height differences, have so far been not or hardly included. In addition, small-scale elements such as individual trees, shrubs, hedges, etc. are also important for a landscape monitoring, but these often do not show up in existing data. The work begins on these two points. The objectives of the work were: * Development of a model and corresponding methods for the detection of small landscape elements or biotopes as well as transitional areas between different land uses (ecotones) from remote sensing data and a high-resolution digital surface model. * Integration of the small-scale landscape elements and ecotones into the methods of landscape structure analysis by adapting or extending existing methods and indices of landscape structure analysis. For his work, he used data from the satellite “RapidEye” and high-resolution elevation data from airborne laser scanning. He subsequently developed a multi-level approach in which small-scale landscape elements can be detected using common image processing and GIS software. Furthermore, transitional areas between different land use classes, here mainly between forest and open land, can be characterized. Afterwards, methods for analyzing the landscape structure are presented on this basis. Specially developed indices allow the analysis of landscape diversity, fragmentation, landscape contrasts and biotope networks. Both for complex methods for the detection of small- scale elements and ecotones, as well as for the methods of landscape structure analysis, own algorithms and indices were developed. The developed methods were tested in study areas in Germany and China and their behavior in different landscapes and with different data bases were examined. Mr. Hou has made a significant contribution to the progress of this research area - even in the international context - with the doctoral thesis he has presented. The innovative approaches, which he developed and exemplarily prepared, testify to this. Beyond that, the work also shows the necessity and also possibilities for application in landscape monitoring. We are confident, that the methods developed by him will find interest and application in science and practice. Ulrich Walz
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