Functional syndromes as indicators of ecosystem change in temperate grasslands
نویسندگان
چکیده
منابع مشابه
Climate change experiments in temperate grasslands: synthesis and future directions.
The immediate need to understand the complex responses of grasslands to climate change, to ensure food supplies and to mitigate future climate change through carbon sequestration, necessitate a global, synthesized approach. Numerous manipulative experiments have altered temperature or precipitation, often in conjunction with other interacting factors such as grazing, to understand potential eff...
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BACKGROUND AND AIMS Fodder provision in species-rich grasslands, i.e. herbage growth, proportion of leaf, and leaf and stem digestibility, is difficult to predict for short periods of time, such as between two defoliations or less. The value of two methods based on plant traits for evaluating these agronomic properties was examined. METHODS One method is based on plant trait measurements on t...
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In order to estimate the air-surface mercury exchange of grasslands in temperate climate regions, fluxes of gaseous elemental mercury (GEM) were measured at two sites in Switzerland and one in Austria during summer 2006. Two classic micrometeorological methods (aerodynamic and modified Bowen ratio) have been applied to estimate net GEM exchange rates and to determine the response of the GEM flu...
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Large changes in atmospheric CO2, temperature, and precipitation are predicted by 2100, yet the long-term consequences for carbon (C), water, and nitrogen (N) cycling in forests are poorly understood. We applied the PnET-CN ecosystem model to compare the long-term effects of changing climate and atmospheric CO2 on productivity, evapotranspiration, runoff, and net nitrogen mineralization in curr...
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Grassland humus forms have been investigated morphologically in the field and with the microscope (Barratt 1960, 1964). They are divisible into two main groups: mulls and mors. In mulls, organic residues are finely conllninuted and intimately mixed with the colloidal-sized fraction of the mineral soil. In mors, organic residues accumulate predominantly above the mineral soil surface, but show p...
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ژورنال
عنوان ژورنال: Ecological Indicators
سال: 2019
ISSN: 1470-160X
DOI: 10.1016/j.ecolind.2018.09.046