5 terms

Land Degradation

Define Land Degradation
concept in which the value of the biophysical environment is affected by one or more combination of human-induced processes acting upon the land
Define Compaction
characteristic of a dry solid material to compress and/or harden, usually due to head-load or another type of pressure. Generally, pressure sensitive or cohesive materials will compact. Also, very fine materials often exhibit this characteristic
Define Acidification
Acidication of surface waters occurs where there are large inputs of acidic pollutants and where catchments have susceptible acid soils and underlying rock
Define Weed Invasion
Reduces farm and forest productivity and they invade crops, smother pastures and in some cases can harm livestock. Weeds aggressively compete for water, nutrients and sunlight, resulting in reduced crop yield and poor crop quality
Define Introduced Animals
Simply an introduction, is a species living outside its native distributional range, which has arrived there by human activity, either deliberate or accidental. ...