Sentence examples for biotic materials from inspiring English sources
The material flow analysis, on the other hand, which is the basis of the material footprint, considers all biotic materials at harvest to be part of the ecosphere (nature) [21].
As is the case with abiotic material, not only the used extraction of biotic material is considered but also all organic material that is taken from nature (including biotic material taken from agricultural systems).
However, specific materials or crops per kilogram were chosen here as functional unit to make it easier to grasp the concept of abiotic and biotic material input.
Some foraminiferans, such as members of the planktonic genus Globigerina, are so abundant that their empty tests dominate the biotic material in about 35% of the Earth's seafloor [ 1]; half of the CaCO3 deposited in the deep ocean is in the form of foraminiferal tests [ 2].
For the other processes, on the other hand, the contribution of biotic raw materials to the overall material footprint is lower than 1%.
Based on the proposition made in [15] to measure abiotic and biotic raw materials, we chose the material footprint as an indicator.
For the agriculturally based processes, biotic raw materials account for a large proportion of the material footprint: 76% for corn, 72% for wheat, 33% for paper, and 24% for cotton fibers.
They propose measuring the cumulated energy demand as well as abiotic and biotic raw materials in addition to LCIAMs, since the trade-off between stressing abiotic raw materials and impacts on land use cannot be assessed using current methods.
While the accounting for abiotic raw material lies within the system boundaries of the International Reference Life Cycle Data System ILCD and ISO [35], the method of accounting for biotic raw materials differs from the LCA perspective.
Biotic raw materials in particular are often neglected [11, 12].
