Changes in botanical diversity of sown grasslands due to naturalization and extensive management

Sendžikaitė, Jūratė; Pakalnis, Romas; Gudžinskas, Zigmantas

doi:10.2478/botlit-2013-0013

Cited by 4 publications

(1 citation statement)

References 24 publications

(13 reference statements)

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“…The short‐term treatments decreased the frequency of large perennials (like Arrhenatherum elatius ) and increased the frequency of annuals (like Medicago lupulina or Picris hieracioides ), often observed in the early stages of succession. The same tendency was found under long‐term mowing and grazing management: the dominance of short annuals and an increase in vegetatively spreading species when compared to the controls, which was also observed by Sendžikaitė et al (2013). Other findings concluded that short‐term mowing treatments were more effective at reducing the stem density of the invader than with long‐term mowing as a management tool.…”

Section: Discussionsupporting

confidence: 84%

The more we do, the less we gain? Balancing effort and efficacy in managing the Solidago gigantea invasion

Nagy

Rauschert

Henn³

et al. 2020

Weed Research

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Weed Research. 2020;60:232-240. wileyonlinelibrary.com/journal/wre | INTRODUC TI ONInvasive plant species can be a major factor in causing biodiversity loss (Pyšek et al., 2004). Land use change and cultivation/ livestock practices, together with rapid increases in population and the transportation of goods, have opened new ways of introducing organisms onto new continents. Invasive plant species are now colonising habitats independently of their natural dispersal AbstractDeveloping invasive plant management strategies is an important task in modern ecology, conservation biology and land management. Solidago gigantea is considered a problematic invader in Europe and Asia, where it forms dominant stands that can decrease species diversity. There is, therefore, an urgent need for effective management to reduce S. gigantea infestations and their negative impacts. We examined the efficacy of multiple approaches to S. gigantea management in Hungary. In our study, we evaluated the effect of several long-term management techniques such as grazing, mowing and periodic flooding on the invader's density as well as native community diversity. In addition, we investigated the short-and long-term effects of mowing combined with other treatment options, to estimate the influence of increased management intensity.Our results indicate that all tested management techniques had negative impacts on S. gigantea density. Short-term mowing did not appear to improve species diversity in the resident community; however, all long-term options improved species diversity. Moreover, combining treatments with mowing varied in its effectiveness; mowing once increased the efficacy of flooding, but decreased the efficacy of grazing, while mowing twice decreased efficacy of flooding. We suspect this is due to the increased intensity of disturbance, which does not allow for the natural recovery of communities, and after management ceases, invasion is able to re-occur. Our results indicate that for effective management, we need to combine management options which act via different mechanisms, leading to cumulative positive effects on the resident community when applied at moderate levels. K E Y W O R D Sbiodiversity, invasive species, long-term management, physical weed control, weed control

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Section: Discussionsupporting

confidence: 84%