Restoration Potential of Sedge Meadows in Hand‐Cultivated Soybean Fields in Northeastern China

Wang, Guodong; Middleton, Beth A.; Jiang, Ming

doi:10.1111/rec.12015

Cited by 26 publications

(12 citation statements)

References 25 publications

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“…(Silvertown et al 1999). Former studies have demonstrated that these six wetland species can coexist in wetlands but may differ in their ability of resource utilization, such as utilization of light, CO 2 and soil nutrients (Lai et al 2012;Wang et al 2013;Wu and Chen 2004;Ye et al 2014). We conclude that hydrological fluctuation can decrease biomass of wetland plant communities but may not alter the diversity-productivity relationship.…”

Section: Discussionmentioning

confidence: 68%

Does hydrological fluctuation alter impacts of species richness on biomass in wetland plant communities?

Luo

Jiang

et al. 2015

JPECOL

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Aims The diversity-productivity relationship is one of the most critical questions in ecology and can be altered by environmental factors. Hydrological fluctuation affects growth of wetland plants, and such effects vary with plant species. Therefore, we hypothesized that hydrological fluctuation changes effects of species richness on productivity of wetland plant communities. Methods We constructed wetland plant communities consisting of three or six wetland plant species and subjected them to hydrological fluctuation (i.e. gradually changing water level) of two frequencies and two ranges, with unchanged water level as the control. We measured height, root and shoot dry mass of each plant at harvest. Important Findings Hydrological fluctuation significantly decreased biomass of wetland plant communities, which was due to impacts of fluctuation range, but not those of fluctuation frequency. Community biomass was significantly higher when species richness was higher, and such an effect did not depend on hydrological fluctuation. Therefore, hydrological fluctuation can decrease the productivity of wetland plant communities but may not alter the diversity-productivity relationship.

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Section: Discussionmentioning

confidence: 68%

Does hydrological fluctuation alter impacts of species richness on biomass in wetland plant communities?

Luo

Jiang

et al. 2015

JPECOL

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“…Nevertheless, these types of species generally have long-lived seed banks that could support their re-establishment after flooded conditions return to the wetland (Middleton et al, 1991). Furthermore, our study suggests that aquatic species with robust roots and propagules in the short-term and seed banks in the long-term might be used for the restoration of monsoonal wetlands (Wang et al, 2013).…”

Section: Implications For Managementmentioning

confidence: 89%

“…1) so that concerns have been raised about the drying of these wetlands (Sebastion, 2012). Nevertheless, a counter-trend has developed in recent years in Asia, so that wetland restoration programs have emerged, particularly to create wildlife corridors and recreational parks (Wang et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

Responses to water depth and clipping of twenty-three plant species in an Indian monsoonal wetland

2015

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a b s t r a c tResponses of species to disturbances give insights into how species might respond to future wetland changes. In this study, species of monsoonal wetlands belonging to various functional types (graminoid and non-graminoid emergents, submersed aquatic, floating-leaved aquatic) varied in their growth responses to water depth and harvesting. We tested the effects of water depth (moist soil and flooded) and clipping (unclipped and clipped) on the biomass and longevity of twenty-three dominant plant species of monsoonal wetlands in the Keoladeo National Park, India in a controlled experiment. With respect to total biomass and survival, six species responded positively to flooding and twelve species responded negatively to clipping. Responses to flooding and clipping, however, sometimes interacted. Individualistic responses of species to water levels and clipping regimes were apparent; species within a functional group did not always respond similarly. Therefore, detailed information on the individualistic responses of species may be needed to predict the vegetation composition of post-disturbance wetlands. In particular, as demands for fresh water increase around the world, studies of life history constraints and responses to hydrological changes will aid wetland managers in developing strategies to conserve biodiversity.Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http:// creativecommons.org/licenses/by-nc-nd/4.0/).

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“…Environmental vectors were examined based on continuous variables including SOC, AN, AP, TK, Na + , Cl - , SO 4 2- , pH, EC, RSC, Alkalinity, SAR and ESP. Data were centered and scaled prior to the analysis [ 5 ], which was carried out using the Vegan Package in R [ 43 ].…”

Section: Methodsmentioning

confidence: 99%

“…As a consequence of global environmental changes and human utilization, many of the world’s ecosystems have degraded since the middle of the 20th century, including large proportions of grasslands [ 1 – 4 ], wetlands and coastal saline marshes [ 5 , 6 ] and forests [ 7 ]. Restoration of these degraded ecosystems is an increasingly relevant focus of current ecological research [ 8 , 9 ].…”

Section: Introductionmentioning

confidence: 99%

Effects of 10-Year Management Regimes on the Soil Seed Bank in Saline-Alkaline Grassland

Yang

Liang

et al. 2015

PLoS ONE

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BackgroundManagement regimes for vegetation restoration of degraded grasslands can significantly affect the process of ecological succession. However, few studies have focused on variation in the soil seed bank during vegetation restoration under different management regimes, especially in saline-alkaline grassland habitats. Our aim was to provide insights into the ecological effects of grassland management regimes on soil seed bank composition and vegetation establishment in mown, fenced, transplanted and natural grassland sites, all dominated by the perennial rhizomatous grass Leymus chinensis.MethodologyWe studied species composition and diversity in both the soil seed bank and aboveground vegetation in differently managed grasslands in Northeast China. An NMDS (nonmetric multidimensional scaling) was used to evaluate the relationship between species composition, soil seed banks, aboveground vegetation and soil properties.Principal FindingsFenced and mown grassland sites had high density and species richness in both the soil seed bank and aboveground vegetation. The Transplanted treatment exhibited the highest vegetation growth and seed production of the target species L. chinensis. Seeds of L. chinensis in the soil occurred only in transplanted and natural grassland. Based on the NMDS analysis, the number of species in both the soil seed bank and aboveground vegetation were significantly related to soil Na+, Cl-, RSC (residual sodium carbonate), alkalinity, ESP (exchangeable sodium percentage) and AP (available phosphorus).ConclusionsSoil seed bank composition and diversity in the saline-alkaline grassland were significantly affected by the management regimes implemented, and were also significantly related to the aboveground vegetation and several soil properties. Based on vegetative growth, reproductive output and maintenance of soil seed bank, the transplanting was identified as the most effective method for relatively rapid restoration of the target species L. chinensis. This approach could be beneficial for the restoration of dominant species in a wide range of degraded grassland ecosystems.

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Restoration Potential of Sedge Meadows in Hand‐Cultivated Soybean Fields in Northeastern China

Cited by 26 publications

References 25 publications

Does hydrological fluctuation alter impacts of species richness on biomass in wetland plant communities?

Does hydrological fluctuation alter impacts of species richness on biomass in wetland plant communities?

Responses to water depth and clipping of twenty-three plant species in an Indian monsoonal wetland

Effects of 10-Year Management Regimes on the Soil Seed Bank in Saline-Alkaline Grassland

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