Experimental weed control of Najas marina ssp. intermedia and Elodea nuttallii in lakes using biodegradable jute matting

Hoffmann, Markus; González, Alberto Benavent; Raeder, Uta; Melzer, Arnulf

doi:10.4081/jlimnol.2013.e39

Cited by 16 publications

(6 citation statements)

References 17 publications

(26 reference statements)

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“…In laboratory experiments, some submerged plants such as Myriophyllum spicatum could easily be established from fragments, while, in other species such as Potamogeton pusillus , only few fragments survived after plantation (Barrat-Segretain et al, 1998 [ 136 ], 1999 [ 137 ], Vári 2013 [ 138 ]). Different kinds of substrates have been used, preferably decomposable ones, such as jute mats, wood, wool, or decomposable pots (Rott 2005 [ 139 ], Hoffmann et al, 2013 [ 140 ], Hussner et al, 2014 [ 79 ], van de Weyer et al, 2021 [ 83 ]). Substrates and techniques differ considerably in costs and especially in labor input.…”

Section: Transplantations Of Submerged Vegetationmentioning

confidence: 99%

Re-Establishment Techniques and Transplantations of Charophytes to Support Threatened Species

Blindow

Carlsson

Weyer³

2021

Plants

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Re-establishment of submerged macrophytes and especially charophyte vegetation is a common aim in lake management. If revegetation does not happen spontaneously, transplantations may be a suitable option. Only rarely have transplantations been used as a tool to support threatened submerged macrophytes and, to a much lesser extent, charophytes. Such actions have to consider species-specific life strategies. K-strategists mainly inhabit permanent habitats, are perennial, have low fertility and poor dispersal ability, but are strong competitors and often form dense vegetation. R-strategists are annual species, inhabit shallow water and/or temporary habitats, and are richly fertile. They disperse easily but are weak competitors. While K-strategists easily can be planted as green biomass taken from another site, rare R-strategists often must be reproduced in cultures before they can be planted on-site. In Sweden, several charophyte species are extremely rare and fail to (re)establish, though apparently suitable habitats are available. Limited dispersal and/or lack of diaspore reservoirs are probable explanations. Transplantations are planned to secure the occurrences of these species in the country. This contribution reviews the knowledge on life forms, dispersal, establishment, and transplantations of submerged macrophytes with focus on charophytes and gives recommendations for the Swedish project.

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Section: Transplantations Of Submerged Vegetationmentioning

confidence: 99%

Re-Establishment Techniques and Transplantations of Charophytes to Support Threatened Species

Blindow

Carlsson

Weyer³

2021

Plants

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“…It is vital to study the possibility of using UV-C applications as weed management strategies, as well as their mechanisms. Many alternative aquatic weed control techniques were successful due to their process of inhibiting major biological and physical factors necessary for the growth and development of the weed plant, such as light for photosynthesis and/or nutrients for growth and development [ 6 , 34 ]. The UV-C region is defined as 100–280 nm wavelength [ 69 ].…”

Section: Why Uv-c As An Alternative/novel Aquatic Weed Control Method?mentioning

confidence: 99%

“…Negative effects of aquatic weeds not only affect irrigation channels but a wide variety of other natural and man-made aquatic habitats, like lakes [ 5 , 6 , 7 ], ponds [ 8 ], rivers [ 9 , 10 , 11 , 12 ], reservoirs [ 13 ], and coastal lagoons [ 14 ]. The spread of aquatic weeds can significantly impact various commercial activities.…”

Section: Introductionmentioning

confidence: 99%

Nonchemical Aquatic Weed Control Methods: Exploring the Efficacy of UV-C Radiation as a Novel Weed Control Tool

Udugamasuriyage,

Kahandawa,

Tennakoon

2024

Plants

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Aquatic weeds, including invasive species, are a worldwide problem. The presence of aquatic weeds poses several critical issues, such as hindering the continuous flow of water in irrigation channels and preventing the proper distribution of adequate water quantities. Therefore, effective control measures are vital for agriculture and numerous downstream industries. Numerous methods for controlling aquatic weeds have emerged over time, with herbicide application being a widely used established method of weed management, although it imposes significant environmental risks. Therefore, it is important to explore nonchemical alternative methods to control existing and emerging aquatic weeds, potentially posing fewer environmental hazards compared with conventional chemical methods. In this review, we focus on nonchemical methods, encompassing mechanical, physical, biological, and other alternative approaches. We primarily evaluated the different nonchemical control methods discussed in this review based on two main criteria: (1) efficiency in alleviating aquatic weed problems in location-specified scenarios and (2) impacts on the environment, as well as potential health and safety risks. We compared the nonchemical treatments with the UV-C-radiation-mediated aquatic weed control method, which is considered a potential novel technique. Since there is limited published literature available on the application of UV-C radiation used exclusively for aquatic weed control, our review is based on previous reports of UV-C radiation used to successfully control terrestrial weeds and algal populations. In order to compare the mechanisms involved with nonchemical weed control methods, we reviewed respective pathways leading to plant cell death, plant growth inhibition, and diminishing reemergence to justify the potential use of UV-C treatment in aquatic habitats as a viable novel source for aquatic weed control.

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“…Casper and Krausch, 1980;Simpson, 1984), therefore the regenerative capacity and the survivability of the fragments is crucial for its ability to colonise new areas or to recolonise harvested areas. Although some previous studies have examined the spread of E. nuttallii or the effect of management on its populations, for example Barrat-Segretain and Bornette (2000), Barrat-Segretain et al (2002), Nino et al (2005) and Hoffmann et al (2013), none of these studies considered the influence of environmental conditions on the management methods or fragments with less than five initial nodes. Small fragments, however, are still able to regenerate (Casper and Krausch, 1980) and often remain in the lakes after a management campaign.…”

Section: Field Experimentsmentioning

confidence: 99%

“…Depending on the nutrient concentration and composition, the frequency and intensity of the management can be adjusted to counter the increased growth and/or regenerative capacity of the plants. Additionally, the cutting and harvesting of the plants could be combined with different management methods, for example benthic barriers (Hoffmann et al, 2013), to increase the efficiency and success of the management.…”

Section: Field Experimentsmentioning

confidence: 99%

Influence of environmental conditions on the regenerative capacity and the survivability of Elodea nuttallii fragments

Hoffmann¹,

Raeder²,

Melzer³

2014

J Limnol

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Experimental weed control of Najas marina ssp. intermedia and Elodea nuttallii in lakes using biodegradable jute matting

Abstract: The

Cited by 16 publications

References 17 publications

Re-Establishment Techniques and Transplantations of Charophytes to Support Threatened Species

Re-Establishment Techniques and Transplantations of Charophytes to Support Threatened Species

Nonchemical Aquatic Weed Control Methods: Exploring the Efficacy of UV-C Radiation as a Novel Weed Control Tool

Influence of environmental conditions on the regenerative capacity and the survivability of Elodea nuttallii fragments

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