What is a suitable management for Typha latifolia control in wet meadows?

IF 2 3区环境科学与生态学 Q3 ECOLOGY

Applied Vegetation Science Pub Date : 2023-07-26 DOI:10.1111/avsc.12740

Jan Titěra, Lenka Pavlů, Vilém V. Pavlů, Petr Blažek

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引用次数: 0

Abstract

Aim

Typha latifolia causes serious problems in wet meadows by overgrowing and suppressing other native plants. To determine suitable management for T. latifolia control, we addressed the following question: What are the effects of long-term cutting at different frequencies (once or twice per year and no management) and biomass removal on cover and other characteristics of T. latifolia, and on sward productivity and plant species composition?

Location

Malá Strana nature reserve, Jizerské hory Mountains, Czechia.

Methods

A long-term experiment arranged in a randomised block design with three blocks was established in 2005. Data were collected from five treatments: unmanaged control; cutting once a year in June without biomass removal and with biomass removal; cutting twice per year in June and August without biomass removal and with biomass removal. Percentage cover of T. latifolia and other vascular plant species was visually estimated and T. latifolia characteristics (tiller density, height, dry-matter biomass [DMB] yield and litter), sward height and DMB yield were measured during 2005–2018 at the end of June.

Results and Discussion

Regular cutting once or twice per year regardless of cut biomass removal led to reductions in tiller density, height, litter and DMB yield of T. latifolia. Biomass removal had only a slight tendency to affect T. latifolia characteristics. The higher frequency of cutting significantly decreased the mean T. latifolia cover, litter and DMB yield. Cutting once or twice per year regardless of biomass removal led to successive changes in plant species composition but had no effect on the species richness and evenness.

Conclusions

Cutting at least once per year without biomass removal seems to be sufficient to achieve a decrease in DMB yield and litter of T. latifolia plants, and thereby maintain the wet-meadow vegetation without loss of species richness and also preventing the overgrowth of shrubs and trees.

Abstract Image

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在湿润的草地上，什么是合适的控制草叶Typha的管理方法?

目的风叶在潮湿的草地上过度生长，抑制了其他本地植物的生长，造成了严重的问题。为了确定适宜的防治措施，我们研究了以下问题:不同频率的长期刈割(每年1次或2次，不进行管理)和生物量去除对阔叶树的覆盖度和其他特征、对阔叶树的生产力和植物物种组成的影响?位置mal Strana自然保护区，jizerskrehory山脉，捷克。方法于2005年采用三组随机区组设计进行长期试验。数据收集自五个处理:无管理控制;每年6月采伐一次，不除生物质和有除生物质;每年6月和8月两次采伐，不进行生物质去除和进行生物质去除。在2005-2018年6月底，通过目测方法估算了阔叶树和其他维管植物的盖度百分比，并测量了阔叶树的分蘖密度、高度、干物质生物量(DMB)产量和凋落物)、阔叶树高度和DMB产量。结果与讨论不论刈割生物量是否减少，每年定期刈割1 ~ 2次，可导致柽柳分蘖密度、高度、凋落物和DMB产量下降。生物量去除对柽柳的特性影响不大。较高的刈割频率显著降低了柽柳平均盖度、凋落物和DMB产量。无论生物量是否减少，每年1次或2次采伐导致植物物种组成的连续变化，但对物种丰富度和均匀度没有影响。结论在不去除生物量的情况下，每年至少采伐一次似乎足以减少油叶DMB的产量和凋落物，从而在不损失物种丰富度的情况下维持湿草甸植被，并防止灌木和乔木的过度生长。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Applied Vegetation Science 环境科学-林学

CiteScore

6.00

自引率

10.70%

发文量

审稿时长

3 months

期刊介绍： Applied Vegetation Science focuses on community-level topics relevant to human interaction with vegetation, including global change, nature conservation, nature management, restoration of plant communities and of natural habitats, and the planning of semi-natural and urban landscapes. Vegetation survey, modelling and remote-sensing applications are welcome. Papers on vegetation science which do not fit to this scope (do not have an applied aspect and are not vegetation survey) should be directed to our associate journal, the Journal of Vegetation Science. Both journals publish papers on the ecology of a single species only if it plays a key role in structuring plant communities.