地形和林分结构对风灾影响的调查:杜兹塞森林管理局案例

Yılmaz Türk, Hamza Çalişkan, T. Çinar, Abdurrahim Aydin
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引用次数: 0

摘要

研究目的研究的目的是确定风倒地区的树木数量和受损程度,并评估地形因素和森林结构对风倒受损的影响。 研究区域:我们的研究在 Düzce 森林管理局内进行。 材料和方法:Düzce 森林管理局辖区内的风蚀面积来自特别产量报告。根据使用谷歌地球核实的风蚀数据,确定了每个损害的边界,并将其转移到 ArcMap 中。利用数字地图和森林管理计划确定了风蚀区域与环境参数之间的关系。应用相关分析找出了风蚀面积与地形和森林特征之间的关系。此外,还进行了方差分析,以确定风蚀区和风蚀量之间在主要方面和森林类型方面是否存在差异。还进行了 T 检验,以确定风蚀面积和风蚀量与主导风向之间是否存在差异。根据具有统计学意义的结果,对环境参数进行了交叉分析,以生成风刺易感性地图。 主要结果风蚀主要发生在西南方向、杉木-山毛榉树种和 cd 树龄级别。在统计意义上(p
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Topoğrafya ve Meşcere Yapısının Rüzgâr Devriği Zararlarına Etkisinin Araştırılması: Düzce Orman İşletme Müdürlüğü Örneği
Aim of study: The aim of the study was to determined the tree volume and damage level in windthrow areas and to assess the impact of topographic factors and forest structure on windthrow damaged. Area of study: Our study was conducted within the Düzce Forest Management Directorate. Material and methods: The windthrow areas within the boundaries of Düzce Forest Management Directorate were obtained from extraordinary yield reports. According to windthrow data verified using Google Earth, the borders for each damage were determined and transferred to ArcMap. The relationships between windthrow areas and enviromental parameters were determined using digital maps and forest management plans. Correlation analysis was applied to find out the relationship between windthrow areas and topographic and forest characteristics. Additionally, variance analysis was performed to determine if there were differences in terms of dominant aspects and forest types between windthrow areas and amounts. T-tests were conducted to determine if there were differences between windthrow areas and amounts and the dominant wind direction. Based on the statistically significant results, an intersect analysis was applied to environmental parameters to generate a windthrow susceptibility map. Main results: Windthrow occurred mostly in the southwest aspect, in the Fir-Beech species and in the cd age classes. A statistically significant relationship (p
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