Glossary

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A B C D E F G H I L M N O P R S T U V W Z

acids and bases 0 (0)

Acids are substances that cause a pH value of less than 7 in an aqueous solution. The pH of bases is between 7 and 14. Acids and bases usually react with one another in what is known as an acid-base reaction and can neutralise one another.

thickness growth 0 (0)

The stem of a plant not only grows in length, but also in girth. This increases the stability of the plant on the one hand and improves the transport capacity on the other.

synthetic fertiliser 0 (0)

Synthetic fertilisers or mineral fertilisers are inorganic plant fertilisers that can be used in conventional agriculture. The most common ingredients are nitrogen and phosphate compounds.

indicator 0 (0)

An indicator is a pointer to a specific feature, occurrence, or state.

bog/ moor/ peatlands 0 (0)

Bogs are wet habitats overgrown with low vegetation. They consist of 95 percent water and are therefore large water reservoirs. Bogs are habitats in which more organic matter forms than is decomposed. In addition, peatlands are important carbon reservoirs. Almost half of the carbon dioxide in the atmosphere is bound in bogs.

soil particles 0 (0)

At the earth’s surface, the soil material is not present as a continuum, but in the form of soil particles. These particles are granular and consist of inorganic material. Soil particles are classified according to grain size into sand, silt and clay. The size of the soil particles determines the pore volume and thus the

primary decomposer (first decomposer) 0 (0)

Organisms that live on animal excrement, dead plants and dead animals (carrion). They break up and transport organic material in the soil. This is then broken down by secondary decomposers into inorganic substances. Important primary decomposers are earthworms, enchytraea, soil mites, fly larvae, isopods and snails.

zoning 0 (0)

In the context of landscape planning, the term “zoning” refers to the administrative act by which something is released for public use and subject to public law.

microclimate 0 (0)

A microclimate denotes local atmospheric conditions that differ from those in the surrounding areas. Often it differs only slightly, but sometimes there is a significant difference. The term can refer to areas as small as a few square meters (e.g., a garden bed or a den) or many square kilometres.

land grabbing 0 (0)

“Land grabbing” is a term for the (often illegal) appropriation of land, mostly by governments or corporations.

cellulose and lignin 0 (0)

Cellulose and lignin are components of the cell walls of plants. At around 50 percent, cellulose is the main component and is therefore the most common organic compound. Lignin is deposited in the cell walls and leads to wood formation, also called “lignification”, of the cell wall.

drain 0 (0)

Drains are specially designed drainage pipes that collect and drain groundwater or rainwater through slots or holes in the pipes. In this way, wet areas are made available for agricultural use or building.

peat 0 (0)

Peat is a substrate of bogs that contains more than 30 percent organic matter in dry matter. Peat is formed by the activity of bacteria and fungi in soils with high water content from the accumulation of incompletely decomposed plant matter in the absence of oxygen.

weathering 0 (0)

Physical influences such as wind, water, heat and cold, or chemical processes such as chalk leaching from limestone mountains cause cracks in the rock. When it rains on limestone, carbonic acid (H2CO3) is formed from H2O and CO2 and dissolves limescale. Soil organisms can also alter the soil chemically and roots can mechanically reshape the

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