The effect of site preparation on vegetation restoration in young hemiboreal mixed stands

IF 0.7 4区农林科学 Q3 FORESTRY

Baltic Forestry Pub Date : 2023-07-20 DOI:10.46490/bf705

A. Zuševica, D. Lazdiņa, Toms A. Štāls, Kārlis Dūmiņš

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引用次数: 0

Abstract

Tree logging significantly impacts environmental conditions, increases soil and air temperature, and changes the microclimate and soil hydrology. This contributes to the changes in bryophyte and vascular plant cover and species composition. Site preparation positively affects the growth of planted trees in young stands but also causes forest understorey disturbance. During site preparation in young stands by spot mounding and disc trenching methods, new microtopographies, e.g. soil tumps and hollows are made in young stands. Site preparation generally increases vascular plant diversity, but there is a lack of information about the vegetation differences between microtopography depending on different site preparation methods and soil types. The aim of this study was to investigate how the microtopography formed during site preparation by spot mounding or disc trenching affects bryophyte and vascular plant communities in hemiboreal young stands two to three years after tree logging. Spot mounding altered vegetation composition more than disc trenching. Bryophyte species cover decreased in prepared soil, but Ellenberg’s moisture value increased; therefore, site preparation before planting contributes to the conservation of typical forest bryophyte species in young stands. Hollows lead to better typical forest habitat species preservation, but soil tumps diversify environmental conditions by providing new patches for the development of grassland habitat species that are not typical in this ecosystem, but temporally provide new ecosystem services. Keywords: bryophytes, spot mounding, disc trenching, vascular plants, plant growth forms, Ellenberg’s indicator values

查看原文本刊更多论文

整地对半北方幼林植被恢复的影响

伐木会显著影响环境条件，增加土壤和空气温度，并改变小气候和土壤水文。这有助于苔藓植物和维管植物覆盖和物种组成的变化。整地对幼林中种植树木的生长有积极影响，但也会引起森林下层干扰。在通过点丘和圆盘挖沟法对幼林进行场地准备的过程中，在幼林中形成了新的微观地形，如土坑和凹陷。整地通常会增加维管植物的多样性，但根据不同的整地方法和土壤类型，缺乏关于微观地形之间植被差异的信息。本研究的目的是研究通过点丘或圆盘挖沟在整地过程中形成的微地形如何影响树木砍伐后两三年半北方幼林中的苔藓植物和维管植物群落。斑点堆积比圆盘挖沟更能改变植被组成。配制土壤中苔藓植物种类覆盖率降低，但埃伦伯格水分值增加；因此，造林前的场地准备有助于保护幼林中典型的森林苔藓植物。Hollows可以更好地保护典型的森林栖息地物种，但土丘为草原栖息地物种的发展提供了新的斑块，从而使环境条件多样化，而草原栖息地物种在该生态系统中并不典型，但在时间上提供新的生态系统服务。关键词：苔藓植物，斑丘，盘沟，维管植物，植物生长形式，埃伦伯格指示值

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来源期刊

Baltic Forestry 农林科学-林学

CiteScore

1.60

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： The journal welcomes the original articles as well as short reports, review papers on forestry and forest science throughout the Baltic Sea region and elsewhere in the area of boreal and temperate forests. The Baltic Sea region is rather unique through its intrinsic environment and distinguished geographical and social conditions. A temperate climate, transitional and continental, has influenced formation of the mixed coniferous and deciduous stands of high productivity and biological diversity. The forest science has been affected by the ideas from both the East and West. In 1995, Forest Research Institutes and Universities from Estonia, Latvia and Lithuania joined their efforts to publish BALTIC FORESTRY.