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Displaying 1446 - 1450 of 1605impact of farm management on species-specific leaf area index (LAI): Farm-scale data and predictive models
Leaf area index (LAI; the single-sided leaf area per unit area of ground) is a measure of plant standing crop in terrestrial ecosystems and is a key parameter in meteorological, climate and hydrological models. While the LAI of individual species can be measured by destructive harvesting and LAI of whole landscapes can be estimated by remote sensing, estimates of species-specific LAI at the landscape-scale are lacking.
Development of a pathogen transport model for Irish catchments using SWAT
SWAT (Soil and Water Assessment Tool) represents a dynamic catchment modelling application that can be applied to any river basin and used to quantify the impact of land management practices on water quality over a continuous period. The objective of this study is to apply the Soil and Water Assessment Tool (SWAT) to model pathogen transport, simulate management practices affecting water quality and predict pathogen loads in Irish catchments.
Grazing effects on the sustainability of an oak coppice forest
In Greece, deciduous oak forests usually provide both, wood production and grazing of understory vegetation. Grazing as a management tool was assayed in a deciduous oak coppice forest of 2000ha under conversion during the management period of 1991-2005 in Central Macedonia, Greece. In this forest, 1340 cows and 3880 goats were grazing from May to October along the years. The impact of grazing pressure on forest growth was related to the difference of the overall wood stock in two sampling times conducted during the management period of 1991 and 2005.
Edge microclimate of temperate woodlands as affected by adjoining land use
While edge microclimates are well described for closed forests, they remain under-examined in more sparse vegetation types like the temperate woodlands of south-eastern Australia. This limits predictions of edge effects on remnant vegetation in cleared agricultural landscapes, and of changes in these effects with reforestation.
Functional response traits in relation to land use change in the Montado
The socio-economic changes of the last decades have resulted in changes in traditional land uses with consequent abandonment of large farmland areas in the Mediterranean region. We assessed the response of species richness and composition, and species functional traits to decreasing land use intensity in a Montado system, an agro-pastoral system characteristic of the Alentejo, Southern Portugal. Additionally, we investigated whether plant functional types can be established based on the response to decreasing land use intensity in these systems.