Publication

Effect of drought on grasslands: Soil core reciprocal transplantation experiment

2017
Student Projects

Abstract

Grassland ecosystems are challenged to meet the growing demand for ecosystem services and providing human goods. The expected increase in extreme climatic events will cause significant constraints on grassland systems that are particularly sensitive to drought. Identifying potential interactive effects of different factors, such as altitude and management, with different water availability scenarios is therefore a major challenge to anticipate the performance of grasslands and the reliability of production at a regional scale under future climate variability. The current project is part of the study of the response of pastures to simulated spring and summer droughts along an altitudinal gradient and according to two management schemes. It focuses on disentangling the soil effect from the drought treatment effect with a reciprocal transplantation experiment.

Official source

https://infoscience.epfl.ch/entities/publication/360c17d6-03fa-4b65-ac57-0220f879f4e1

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2017
Student Projects

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/360c17d6-03fa-4b65-ac57-0220f879f4e1

About this result

Related concepts (32)

Grassland

A grassland is an area where the vegetation is dominated by grasses (Poaceae). However, sedge (Cyperaceae) and rush (Juncaceae) can also be found along with variable proportions of legumes, like clover, and other herbs. Grasslands occur naturally on all continents except Antarctica and are found in most ecoregions of the Earth. Furthermore, grasslands are one of the largest biomes on earth and dominate the landscape worldwide. There are different types of grasslands: natural grasslands, semi-natural grasslands, and agricultural grasslands.

Ecosystem service

Ecosystem services are the many and varied benefits to humans provided by the natural environment and healthy ecosystems. Such ecosystems include, for example, agroecosystems, forest ecosystem, grassland ecosystems, and aquatic ecosystems. These ecosystems, functioning in healthy relationships, offer such things as natural pollination of crops, clean air, extreme weather mitigation, and human mental and physical well-being.

Soil

Soil, also commonly referred to as earth, is a mixture of organic matter, minerals, gases, liquids, and organisms that together support life of plants and soil organisms. Some scientific definitions distinguish dirt from soil by restricting the former term specifically to displaced soil. Soil consists of a solid phase of minerals and organic matter (the soil matrix), as well as a porous phase that holds gases (the soil atmosphere) and water (the soil solution). Accordingly, soil is a three-state system of solids, liquids, and gases.

Related publications (12)

Effect of drought on grasslands: Soil core reciprocal transplantation experiment

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