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… large-scale ecological processes with characteristic species and ecosystems, which also have environmentally and … for indicators can be summarized as SMART: • Specific: the indicator is precisely, accurately, and concisely described. … are unambiguously defined. • Measurable: the indicator can be quantified precisely and repeatedly. • …

… a variety, as well as the loss of entire varieties and species. l More than 75 percent of global crop diversity has … Percentages of Food Production of Major Crops Based on Species Originating from Other Regions Source: The State of … 2.3.5. Crop, Species, Variety and Cultivar …

… volunteer associations in the U.S. can be regarded as an indicator of this phenomenon. 24 Changes in agricultural … supported. Besides reforestation of slopes with native species, participants noted that fruit trees can be used, … with permanent shrub vegetation, and that fast growing species of trees and bushes can furnish peasants with wood. …

… of water intensive invasive alien trees with native species [5]. This approach increases the available water …

… will change, leading to longer and hotter summers. Some species will not be able to adapt well to this change of …