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| Terms for subject Environment (5949 entries) |
| lurrunkortasun | volatility (The property of a substance or substances to convert into vapor or gas without chemical change) | |
| lurruntze | evaporation (Conversion from a liquid or solid state to a vapour) | |
| lursailen batze | land consolidation (Joining small plots of land together to form larger farms or large fields) | |
| lurzoru | soil (The top layer of the land surface of the earth that is composed of disintegrated rock particles, humus, water and air) | |
| lurzoru alkalino | alkali soil (Soil that contains sufficient exchangeable sodium to interfere with water penetration and crop growth, either with or without appreciable quantities of soluble salts) | |
| lurzoru poluitu | contaminated soil (Soil which because of its previous or current use has substances under, on or in it which, depending upon their concentration and/or quantity, may represent a direct potential or indirect hazard to man or to the environment) | |
| lurzoru-geruza | soil layer (Distinctive successive layers of soil produced by internal redistribution processes. Conventionally the layers have been divided into A, B and C horizons. The A horizon is the upper layer, containing humus and is leached and/or eluviated of many minerals. The B horizon forms a zone of deposition and is enriched with clay minerals and iron/aluminium oxides from the A layer. The C layer is the parent material for the present soil and may be partially weathered rock, transported glacial or alluvial material or an earlier soil) | |
| lurzoru-mota | soil type (A phase or subdivision of a soil series based primarily on texture of the surface soil to a depth at least equal to plow depth (about 15 cm)) | |
| lurzorua asentatze | soil settling (Compaction involves the close-packing of the individual grains mainly by the elimination of pore-space and expulsion of entrapped water; this is normally brought about by the weight of the overlying sediments) | |
| lurzorua erabiltzeko erregimen | soil use regime (Type of management and utilization of the soil) | |
| lurzorua hobetze | soil improvement (Process of protecting the soil from excessive erosion and making soil more fertile and productive) | |
| lurzorua kontserbatzeko legeria | soil conservation legislation (A binding rule or body of rules prescribed by a government to protect and prevent the loss of an area's surface layer of decomposed rock and organic material, valued for its nutrients and ability to support life) | |
| lurzoruan zeharreko arazketa | purification through the soil (The act or process in which a section of the ground is freed from pollution or any type of contamination, often through natural processes) | |
| lurzoruaren ahalmen | soil capability (The suitability of soils for various uses, e.g. sustained production of cultivated crops, pasture plants, etc., depending on depth, texture, kinds of minerals, salinity, kinds of salts, acidity, etc.) | |
| lurzoruaren analisi | soil analysis (The use of rapid chemical analyses to determine the fertility status of a soil. It is used to identify those nutrients or substances that are present in either insufficient or excessive quantities for optimum plant growth. Analyses are also used to monitor increases or decreases in soil fertility over time) | |
| lurzoruaren azala zigilatze | soil surface sealing (Any activity or process in which ground surface areas are packed or plugged to prevent percolation or the passage of fluids) | |
| lurzoruaren azidotze | soil acidification (A naturally occurring process in humid climates that has long been the subject of research, whose findings suggest acid precipitation effects. The generally accepted impact of soil acidification on the productivity of terrestrial plants is summarised as follows: as soil becomes more acidic the basic cations (Ca, Mg) on the soil exchange are replaced by hydrogen ions or solubilized metals. The basic cation, now in solution, can be leached through the soil. As time progresses the soil becomes less fertile and more acidic. Resultant decreases in soil pH cause reduced, less-active population of soil microorganisms, which in turn slow decomposition of plant residues and cycling of essential plant nutrients) | |
| lurzoruaren biologia | soil biology (The study of the living organisms, mainly microorganisms and microinvertebrates which live within the soil, and which are largely responsible for the decomposition processes vital to soil fertility) | |
| lurzoruaren deskontaminazio | soil decontamination (Technologies employed in the removal of PCBs, PAH, pesticides and, more generally, of organic compounds by physical, chemical or biological treatments) | |
| lurzoruaren eginkizun | soil function (The main soil function is participation in the material transformation and migrating processes occurring in the natural environment on which the functioning of ecosystems depends. The most active participants in the occurring processes are microorganisms and invertebrates, whose activity, different variety, complex structure, and abundance accurately reflect the soil type and its characteristics: so they are important indicators of ecological stability. The variety of soil organisms determine its self-regulatory and self-cleaning capacity) |