Page 161 - LAS CIENCIAS AMBIENTALES EN EL ANTROPOCENO - DIGITAL(1)

áreas con gran variabilidad ambiental, exceso de N depositado y la factibilidad
como lo es Argentina, dada su extensión, de aplicación del indicador. El uso de
donde los procesos de degradación FCs dependientes del sitio permite
son diversos. El indicador requiere prescindir de los foráneos. Este aporte
valores de emisión, deposición y carga generará un avance en los estudios de
crítica regionales, para poder calcular riesgos ambientales y contribuye a la
factores de caracterización (FCs). sustentabilidad regional.
Hasta el momento, se ha avanzado en
la recolección de datos de emisiones
de compuestos nitrogenados y se ha
efectuado una aproximación a valores
de deposición. Se prevé continuar
con la definición y el cálculo de la
superación de la carga crítica del área
de interés, es decir, con la información
sobre la sensibilidad de los ecosistemas
terrestres expuestos para evaluar el

SUMMARY

rowth based on productive and phosphorus nutrients in exposed ecosystems. Methodologically, the
expansion, characterized by aquatic and terrestrial ecosystems. environmental mechanism of terrestrial
Gintensive levels of production In Argentina there are changes in the eutrophication was identified, following
and extraction, has had environmental use and management of soils and the guidelines of IRAM-ISO 14044
consequences, generating pressures the disappearance of natural species (2008). A comprehensive national and
on soil, water and natural vegetation due to the advance of the agricultural international literature review was then
resources (Subsecretaría de Planificación frontier, among other aspects, but little conducted for the selection of a midpoint
Territorial de la Inversión Pública, 2013). development of eutrophication has been environmental category indicator
Life Cycle Impact Assessment (LCIA) reported in areas with environmental based on current practices and existing
focuses on connecting emissions from significance within the Life Cycle LCIA models. Finally, an approach was
anthropogenic sources with the impacts approach. The objective of this work made to the feasibility of applying
of an environmental category (Payen et is to identify and select the midpoint this indicator in the region, according
al., 2019), such as eutrophication, which indicator that best represents this to its own bioclimatic characteristics,
is a consequence of excess nitrogen (N) category of impact on regional terrestrial taking into account that emissions of

152