Management of permanent set‐aside on arable land in Sweden

Hansson, Margareta L.; Fogelfors, Håkan

doi:10.1046/j.1365-2664.1998.355350.x

Cited by 74 publications

(58 citation statements)

References 25 publications

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“…This has been attributed to a number of abiotic and biotic factors in the aboveground and belowground environment that affect survival and growth of latesuccessional grassland plant species, including high availability of soil nutrients such as P, K and inorganic N (McLendon and Redente 1992;Marrs 1993), arbuscular mycorrhizal fungi (AM fungi; Van der Heijden 2004), inter-specific competition (Tilman 1993;Hansson and Fogelfors 1998) and aboveground herbivory (Edwards and Crawley 1999). While some factors of the aboveground and belowground environment have been jointly investigated (Brown and Gange 1989;Schadler et al 2004), there is a paucity of studies considering all factors at the same time and hence, the relative importance of aboveground and belowground factors for seedling survival and growth are not well understood.…”

Section: Introductionmentioning

confidence: 99%

Aboveground environment type, soil nutrient content and arbuscular mycorrhizal fungi explain establishment success of Centaurea jacea on ex-arable land and in late-successional grasslands

2009

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We studied the relative importance of the aboveground and belowground environment for survival and growth of emerged seedlings of Centaurea jacea to better understand the general difficulty of establishing late-successional species at restoration sites on ex-arable land. Potted seedlings growing on soil from six late-successional grasslands and from six ex-arable (restoration) sites were reciprocally exchanged, and survival and relative growth rate of the seedlings monitored. In addition, we assessed aboveground herbivory and colonization of roots by arbuscular myccorhizal fungi of all plants, as well as nutrient availability, and microbial biomass and community composition using PLFA techniques in all twelve soils. Seedling survival was higher in restoration habitat and soil than in grassland habitat and soil, but growth did not differ between the aboveground and belowground environment types. Shoot growth rate was initially correlated with soil nutrient content, and later in the experiment with mycorrhizal colonization levels. Our results indicate that arbuscular mycorhizal fungi may be important for the successful establishment of C. jacea and that abiotic soil factors, like K availability and N:P ratio, can promote mycorrhizal colonization. Hence, the belowground environment should be considered when selecting sites for restoring species-rich grasslands.

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Section: Introductionmentioning

confidence: 99%

Aboveground environment type, soil nutrient content and arbuscular mycorrhizal fungi explain establishment success of Centaurea jacea on ex-arable land and in late-successional grasslands

2009

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“…The proportional increase in grasses and perennials in the aboveground biomass during secondary succession (Montalvo, 1992) have been found in several experiments (Huenneke and Mooney, 1989;Hansson and Hagelfors, 1998;Kosola and Gross, 1999) and are characteristic of the transit to mid-succesional stage.…”

Section: Productivity-diversity Relationshipmentioning

confidence: 53%

“…The final outcome of all these interactions determines which species may, at a certain stage of succession, successfully compete for the available resources. Sowing later succession species essentially changed the initial stage of vegetation development at abandoned arable land (Hansson and Hagelfors, 1998). As weed suppression depended on the number of species in the sown stands, the diversity of plant species at a certain stage may affect the course of succession at least temporary.…”

Section: Biodiversity Versus Secondary Successionmentioning

confidence: 99%

“…These are opportunists with relatively poor root exploitation capacity (Grime, 1997). During the initial stage of land abandonment the initially colonising plant species are replaced by persistent perennials (Hansson and Hagelfors, 1998;Kosola and Gross, 1999). If plant propagules reach abandoned arable land by the time the vegetation is dominated by persistent Science Publications AJEAS perennials, poor establishment conditions can be crucial constraints of succession to species rich vegetation.…”

Section: Biodiversity Versus Secondary Successionmentioning

confidence: 99%

“…One of the main reasons is that the seed bank has been depleted (Cooper and Power, 1997) and that many latesuccession species have poor seed (or propagule) dispersal (Bakker and Berendse, 1999). Another constraint, which has received less attention, is that persistent competitive weed species may prevent vegetation development for many years (Leps and Rejmanek;1991;Hansson and Hagelfors, 1998).…”

Section: Biodiversity Versus Secondary Successionmentioning

confidence: 99%

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Restoration of Biodiversity and Ecosystem

Santa-Regina¹

2013

American Journal of Engineering and Applied Sciences

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Succession is one of the most studied processes in ecology and succession theory provides strong predictability. However, few attempts have been made to influence the course of succession thereby testing the hypothesis that the passage of one stage is essential to enter a next one. At each stage of succession ecosystem processes may be affected by the diversity of species present, but there is little empirical evidence showing that plant species diversity may affect succession. The main objective in the present study is to test if there is any effect of plant species diversity on the functioning of artificially-created grassland communities. We were mostly interested in how successful is the sowing of meadow species into newly abandoned land and how long do the effect of initial sowing persist, how is affected the set of natural colonizers, which includes both the weed species and also the later successional species arriving naturally into the zone. One of the main questions concerning succession is to which extent the trajectory may be predictable or not. What will be the consequence of the different succession pathways for ecosystem processes, such as productivity and resource utilization, as well as species composition of both above and belowground communities? What will be the subsequent effects of feed back to vegetation development through initial manipulation of vegetation after land abandonment? And, finally, how general may results be when obtained in specific conditions? Our hypothesis is that an increase in the initial plant species diversity at the start of secondary succession enhances the amount of biomass produced and consequently stimulates the soil microbial biomass and the abundance of soil invertebrates. It has been suggested that changes in plant species diversity affect several ecosystem processes, such as primary productivity, nutrient retention and vegetation dynamics. A positive impact of species diversity on plant productivity has been explained by the complementarity of resource use among plant species or their functional groups.

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Vegetation response to conditions caused by different soil‐preparation techniques applied to afforestation in semiarid abandoned farmland

et al. 2006

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Twelve soil-preparation techniques used in afforestation were applied and 16 environmental variables were measured to test their effects on vegetation abundance, diversity, and cover in semiarid abandoned farmland located in southeastern Spain. The soil-preparation techniques consisted of punctual treatments-making a hole and constructing a plantation bench with different types of machinery; linear treatments-making furrows along contour lines; and surface treatments-that prepare the soil in general all over the plantation surface. Variables measured were the surface and volume affected by the soil-preparation treatments, distance from sample quadrats to the remnants of natural vegetation, surface runoff estimated by slope angle, and some edaphic characteristics such as gravel content, active lime, CaCO 3 , phosphorus, oxidizable organic matter, total soil nitrogen, pH, potassium, salinity, and clay, silt and sand content. The multivariate contrasts obtained demonstrated the existence of a significant relationship between species, samples and environmental variables. Both the distance of the quadrats from the remnants of natural vegetation and the volume of soil removed in different treatments were very weighty variables in the explanation of the variance of data, negatively affecting overall vegetation development. The accumulation or loss of surface runoff and the CaCO 3 content in soil were also important variables to explain abundance and diversity data. However, not all the species responded to the variables analysed in the same way. Identification of non-uniform spatial patterns that significantly affect vegetation suggests that afforestation policies and conservation and management strategies in these semiarid abandoned lands should always take into consideration the quality of the whole landscape. Voluminous soil treatments for afforestation should be avoided.

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Management of permanent set‐aside on arable land in Sweden

Cited by 74 publications

References 25 publications

Aboveground environment type, soil nutrient content and arbuscular mycorrhizal fungi explain establishment success of Centaurea jacea on ex-arable land and in late-successional grasslands

Aboveground environment type, soil nutrient content and arbuscular mycorrhizal fungi explain establishment success of Centaurea jacea on ex-arable land and in late-successional grasslands

Restoration of Biodiversity and Ecosystem

Vegetation response to conditions caused by different soil‐preparation techniques applied to afforestation in semiarid abandoned farmland

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