The earth beneath our feet

Celebrating World Soil Day 2019
Published in Ecology & Evolution
The earth beneath our feet

World Soil Day takes place on 5 December.  This annual event was first recommended by the International Union of Soil Sciences in 2002, to raise awareness of the need for healthy soil and promote sustainable management of soil resources.  

To join in the celebration of World Soil Day, we have dug around in the community (soil pun!) and invited contributions to showcase research, ideas and opinions in any area of soil-related science.  The posts, brought together in a special channel, cover a diversity of topics, including microbes, nematodes and carbon storage.

Plants of the ancient orchid family - like most other terrestrial plants - form a symbiotic relationship with soil fungi and rely on healthy soil ecosystems. In Zhong-Jian Liu's post, we hear about the early stages of orchid seed development into non-photosynthetic seedlings, and the orchid's reliance on mycorrhizal fungi for germination.

Camille Delavaux outlines why understanding plant-microbe interaction can help restore prairies in the Midwestern United States - almost all of which have been lost due to human activity.  Camille’s work focuses on understanding the complex relationship between soil fungi and plant roots, particularly how the fungi confer plant pathogen resistance.

The benefits and challenges of longitudinal climate change studies, using time-series data to provide a clearer picture of the climate feedback effects of soil microbes, are discussed in a post by Jizhong Zhou. Overcoming the issues of repeated soil sampling from small plots, long-term site management and changes in the research team led Jizhong to rewarding results.

A post from Paul George describes the effects of changing land use on the diversity of soil species.  Paul and colleagues used metabarcoding and physico-chemical analyses to study the richness of different soil communities, identifying the relative abundance of bacteria, fungi, protists, archaea and animals.

The soils of ‘blue carbon’ ecosystems - salt marsh, mangrove and seagrass - effectively store organic carbon.  Amanda Spivak tells us of research that set out to answer questions such as “How will the importance of blue carbon storage change at a global scale in the future?” And “What kinds of management and restoration practices will promote carbon storage and ecosystem sustainability?”

Browse our World Soil Day channel to read more from Community contributors.

World Soil Day - FAO

World Soil Day was officially adopted by the United Nations General Assembly in 2014 and is supported by the Food and Agriculture Organization of the UN, within the framework of the Global Soil Partnership

The 2019 campaign focuses on ways to “Stop soil erosion, Save our future”.

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Life Sciences > Biological Sciences > Ecology