Restoration of two small Mediterranean lagoons: The dynamics of submerged macrophytes and factors that affect the success of revegetation

Rodrigo, María A.; Rojo, Carmen; Alonso-Guillén, Jose L.; Vera, Pablo

doi:10.1016/j.ecoleng.2013.01.022

Cited by 74 publications

(34 citation statements)

References 46 publications

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“…Moreover, the charophyte community in the water spring has provided ecological services because it has procured stocks for use as founder colonies in the revegetation of the two small shallow lagoons of the same Reserve Area, which are under restoration (Rodrigo et al, 2013a). …”

Section: Discussionmentioning

confidence: 99%

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The role of charophytes in a Mediterranean pond created for restoration purposes

et al. 2015

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Section: Discussionmentioning

confidence: 99%

“…1A), a 40 ha zone formerly devoted to rice crops (Rodrigo et al, 2013a). After the construction of the basin, it was fed by groundwater sources via a deep artesian well.…”

Section: Study Sitementioning

confidence: 99%

The role of charophytes in a Mediterranean pond created for restoration purposes

et al. 2015

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“…Therefore, restoration of submerged macrophytes has become one of the key components in eutrophic lake recovery (Dai et al 2012;Rodrigo et al 2013).…”

Section: Introductionmentioning

confidence: 99%

Effects of sediment burial on seed germination and seedling establishment ofVallisneria natans

Zuo

Liu

Kong

et al. 2015

Journal of Freshwater Ecology

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Burial of seeds by sediment often happens in lakes. Laboratory experiments were conducted to investigate the effects of burial by river sand and fishpond sediment on seed germination and seedling establishment of Vallisneria natans at depths of 0, 1, 3, and 5 cm. Sediment type had significant effects only on dry weight and total leaf area of the seedlings and did not interact with burial depth. In contrast, a significant negative correlation was observed between burial depth and all of the variables, including seed germination rate, seedling emergence rate, shoot length, dry weight, leaf number, total leaf area, root number, and total root length. Moreover, no seedlings emerged above the sediment surface in the 5 cm depth treatment in either sediment, even though seed germination was observed. In addition, the results showed that fishpond sediment was more effective than river sand in accumulation of dry matter and increase of leaf area. Therefore, taking measures to accelerate seed germination and seedling emergence could promote V. natans restoration when sowing seeds in eutrophic lakes.

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“…Aquatic plants, especially submerged macrophytes, play a crucial role in the recovery process of polluted shallow lake ecosystems by providing habitats for a diverse faunal community [1,2], sequestering carbon and nutrients through absorption by the root and stem [3], and reducing phytoplankton biomass by either direct or indirect pathways [4,5]. However, the decline of submerged macrophytes continually happens in many eutrophic lakes throughout the world as a result of eutrophication with increasing nutrients [6,7].…”

Section: Introductionmentioning

confidence: 99%

The Biomass and Physiological Responses of Vallisneria natans (Lour.) Hara to Epiphytic Algae and Different Nitrate-N Concentrations in the Water Column

Min

Zuo

Zhang

et al. 2017

Water

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Abstract:Increasing N concentration and the high density of epiphytic algae are both key factors leading to the decline of submerged macrophytes in many eutrophic lakes. In order to investigate the impacts of increased nitrate-N concentration and the growth of epiphytic algae on the decline of submerged vegetation, we conducted a 2 × 4 factorial experiment with the submerged macrophyte Vallisneria natans (Lour.) Hara by measuring the biomass of plants and some physiological indexes in leaves of V. natans under four nitrate-N concentrations in the water column (0.5, 2.5, 5, and 10 mg/L) and two epiphytic groups (epiphytic algae group and no epiphytic algae group). The results suggested that epiphytic algae could impose adverse effects on the biomass accumulation of V. natans, while the increasing nitrate-N concentration (0.5-10 mg/L) could oppositely promote this process and counteract the adverse effect of epiphytic algae. When nitrate-N concentration was 5 mg/L, the total chlorophyll content in leaves of V. natans in the epiphytic algae group was prominently lower compared with the no epiphytic algae group, while MDA, free proline, and anti-oxidant enzyme (SOD, POD, CAT) activities were significantly higher. Overhigh nitrate-N concentration in the water column also directly imposed adverse effects on the physiology of V. natans. When nitrate-N concentration was over 5 mg/L, the total chlorophyll content and free proline decreased in the no epiphytic algae group, while soluble carbohydrates and soluble proteins decreased when nitrate-N was over 2.5 mg/L. Meanwhile, epiphytic algae and nitrate-N content imposed a synergetic effect on the anti-oxidant enzyme activities of V. natans. When nitrate-N concentration was over 5 mg/L, SOD, POD, and CAT activities kept constant or decreased, which indicated that the oxidation resistance of V. natans was inhibited by stress. Our results indicate that epiphytic algae and increasing nitrate-N concentration in the water column could severally or synergistically impose adverse effects on the physiology of submerged macrophytes and are both key factors leading to the decline of submerged macrophytes.

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Restoration of two small Mediterranean lagoons: The dynamics of submerged macrophytes and factors that affect the success of revegetation

Cited by 74 publications

References 46 publications

The role of charophytes in a Mediterranean pond created for restoration purposes

The role of charophytes in a Mediterranean pond created for restoration purposes

Effects of sediment burial on seed germination and seedling establishment ofVallisneria natans

The Biomass and Physiological Responses of Vallisneria natans (Lour.) Hara to Epiphytic Algae and Different Nitrate-N Concentrations in the Water Column

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