Journal
PLANTS-BASEL
Volume 10, Issue 8, Pages -Publisher
MDPI
DOI: 10.3390/plants10081624
Keywords
climate change; droughts; desertification; land cover degradation; NDVI; LST
Categories
Funding
- Taif University, Taif, Saudi Arabia [TURSP2020/13]
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The drought episodes experienced by Morocco in the 1980s and 1990s had long-lasting effects, leaving some affected areas practically deserted and posing serious problems for environmentalists. This study analyzed changes in vegetation cover in the Rif region of Morocco between 1984 and 2017, contributing valuable data on the consequences of climate change and potential protective strategies for vegetation cover.
Episodes of drought that Morocco experienced in the years 1984-1986, 1993-1995, and 1997-2000 had repercussions that were felt many years later and continue to pose serious problems for environmentalists, as some of the affected lands have become practically deserted. These problems acted on the socio-economic conditions and created severe constraints for the development of the country. This work was conducted to study and identify changes that occurred in vegetation cover in the Oued Lahdar watershed (Rif, Morocco) between 1984 and 2017 using Land Surface Temperature (LST), Normalized Difference Vegetation Index (NDVI), Landsat TM 5, and Landsat OLI 8. The LST had significantly increased overall from 1984 to 2017, where it moved from a mean value of 29.4 degrees C in 1984 to 40.4 degrees C in 2007 and then reduced slightly to 37.9 degrees C in 2017. The vegetation cover index for the study area indicates that in 1984, fully vegetated areas represented 94.3% before deteriorating to 35.4% in 2007 and recovering in 2017 to 54.3%. While bare soil, which previously constituted 5.7%, reached a very high value of 64.6% in 2007 and then decreased to 47.7%. This study contributes towards society as it provides interesting data about the consequences of climate change in the area studied as well as potential protective strategies to protect vegetation cover.
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