For a hazard classification of soils or a ranking of soils this may not be so important. However, to evaluate potential risk-reduction measures or risk management procedures it may be important to identify the most problematic substances. A comparison of soil screening values with measured ...
Figure 3. A very simple classification of the three key physical soil-forming environments on the basis of landsurface stability (reproduced from Dietrich WE and Perron JT (2006) The search for a topographic signature of life. Nature 439: 411–418). S = slope = (dz/dx), z = vertical ...
Due to this relationship, many researchers have used it to predict a number of soil properties and to assess threats such as degradation to soil and soil classification (Ben-Dor and Banin, 1995; Islam et al., 2003; Awiti et al., 2008). Show moreView chapter Book series 2013, ...
To further investigate how the size–density exponents of non-urban tree communities differed throughout forest succession, we refitted ISD regression models across three categories (‘Shrubland’, ‘Secondary’ and ‘Old-growth’) based on a vegetation classification of the plots (Holdaway et al....
impudicus impelled the soil bacterial taxa classification to be more similar with that in fallow land, while closely associating with fungal taxa in G. elata cultivation (Fig. 1b, d). These findings suggested that P. impudicus contributed and shaped the taxonomic distribution patterns of ...
Furthermore, the Vs 30 value determined using the National Earthquake Hazards Reduction Program (NEHRP) [32] site classification for the liquefied site of Tripura reveals that the site falls under Site Class D (180 m/s ≤ Vs≤ 360 m/s). In contrast, the shear wave velocity values are ...
For estimation of the resistance and resilience of functional gene categories, the arcsine square-root-transformed relative abundances of functional genes at each level of the SEED Subsystems classification84were first calculated. Mixed-effects models were fitted to these values with the lme4 v.1 pa...
red bars for invasiveA. artemisiifolia, and blue bars for invasiveB.Pilosa; asterisks over red or blue bars indicate significantly different rates in the invasion treatment compared to the native treatment; the scatter plot refers to the mean rates in each plant. Abbreviations:A. + C.— ...
Another complicating factor in getting a worldwide inventory of salt-affected soil is the different systems of classification used by individual countries. Aside from the classification system established by the U.S. Salinity Laboratory, which was adopted by the old Soil Conservation Service (now ...
A functional land use classification system is established,which includs 3 classes,namely "industrial land","living land" and "ecological land". 在综述已有的土地利用分类体系的基础上,以土地利用的生态、生产、生活功能为立足点,建立了土地利用功能分类体系,包括生活用地、生产用地、生态用地3个一级类型;针...