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Assessing land degradation and identifying potential sustainable land management practices at the subnational level in Lebanon.

Abstract：

:Assessing land degradation is essentially needed for decision-makers to monitor and mitigate degradation and implement sustainable land management practices. More specifically, monitoring land degradation on a regular basis enables decision-makers to analyze impact of degradation and effects of sustainable land management practices. This requires adopting a precise methodology for assessing land degradation. With information form assessments, decision-makers can establish achievable management goals to attain land degradation neutrality as addressed by the Sustainable Development Goal 15 (i.e., SDG 15). Accordingly, this work aimed at developing a systematic approach for assessing land degradation at the subnational level with the combined use of geo-spatial information and field data. The specific objectives were to (1) assess trends in land degradation and the impact of historical land uses on the current landscape characters, (2) investigate and characterize principal criteria of land degradation, and (3) identify sustainable land management practices. Multi-source and multi-resolution spatial data were employed for assessing the three indicators of land degradation neutrality (i.e., changes in vegetation cover, land productivity, and soil organic carbon). Prioritizing lands prone to degradation was investigated using a set of spatial attributes of different weights. Field data collection involved the use of pre-defined set of questions for assessing the principal criteria of land degradation including type, extent, rate, degree, and causes of land degradation. Sustainable land management practices were identified and categorized accordingly. This assessment provided a means for prioritization of interventions (i.e., prevention, mitigation, and/or rehabilitation) in an area characterized by a climate varying from semi-arid to moist subhumid.

journal_name

Environ Monit Assess

journal_title

Environmental monitoring and assessment

authors

Mitri G,Nasrallah G,Gebrael K,Bou Nassar M,Abou Dagher M,Nader M,Masri N,Choueiter D

doi

10.1007/s10661-019-7739-y

subject

Has Abstract

pub_date

2019-08-15 00:00:00

pages

567

issue

eissn

0167-6369

issn

1573-2959

pii

10.1007/s10661-019-7739-y

journal_volume

191

pub_type

杂志文章

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Assessing land degradation and identifying potential sustainable land management practices at the subnational level in Lebanon.