Detecting Trends in Landuse and Landcover Change of Nech Sar National Park, Ethiopia

Fetene, Aramde; Hilker, Thomas; Yeshitela, Kumelachew; Prasse, Ruediger; Cohen, Warren B.; Yang, Zhiqiang

doi:10.1007/s00267-015-0603-0

Cited by 42 publications

(65 citation statements)

References 27 publications

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“…On the contrary, the net change-to-persistence ratio was negative for a water body, forestland, and shrubland, suggesting their net loss rather than their persistence in the study landscape [85]. The findings of this study were consistent with numerous studies' findings in other parts in Ethiopia [111][112][113][114][115][116][117][118][119], and elsewhere in the world [5,16,17]. These studies have revealed a heterogeneity in the spatial and temporal extent of LULCCs.…”

Section: Assessment Of Lulcc In the Erer Sub-basinsupporting

confidence: 86%

Effect of Land Use and Land Cover Change on Soil Erosion in Erer Sub-Basin, Northeast Wabi Shebelle Basin, Ethiopia

Woldemariam

Harka

2020

Land

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Land use and land cover change (LULCC) is a critical factor for enhancing the soil erosion risk and land degradation process in the Wabi Shebelle Basin. Up-to-date spatial and statistical data on basin-wide erosion rates can provide an important basis for planning and conservation of soil and water ecosystems. The objectives of this study were to examine the magnitude of LULCC and consequent changes in the spatial extent of soil erosion risk, and identify priority areas for Soil and Water Conservation (SWC) in the Erer Sub-Basin, Wabi Shebelle Basin, Ethiopia. The soil loss rates were estimated using an empirical prediction model of the Revised Universal Soil Loss Equation (RUSLE) outlined in the ArcGIS environment. The estimated total annual actual soil loss at the sub-basin level was 1.01 million tons in 2000 and 1.52 million tons in 2018 with a mean erosion rate of 75.85 t ha−1 y−1 and 107.07 t ha−1 y−1, respectively. The most extensive soil loss rates were estimated in croplands and bare land cover, with a mean soil loss rate of 37.60 t ha−1 y−1 and 15.78 t ha−1 y−1, respectively. The soil erosion risk has increased by 18.28% of the total area, and decreased by 15.93%, showing that the overall soil erosion situation is worsening in the study area. We determined SWC priority areas using a Multi Criteria Decision Rule (MCDR) approach, indicating that the top three levels identified for intense SWC account for about 2.50%, 2.38%, and 2.14%, respectively. These priority levels are typically situated along the steep slopes in Babile, Fedis, Fik, Gursum, Gola Oda, Haramaya, Jarso, and Kombolcha districts that need emergency SWC measures.

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Section: Assessment Of Lulcc In the Erer Sub-basinsupporting

confidence: 86%

Effect of Land Use and Land Cover Change on Soil Erosion in Erer Sub-Basin, Northeast Wabi Shebelle Basin, Ethiopia

Woldemariam

Harka

2020

Land

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“…The degradation and conversion of grasslands to cultivated land and settlement in the study area are similar to Fetene et al's. () findings in Nech Sar Park.…”

Section: Discussionmentioning

confidence: 84%

“…Subsequent reduction in forestland and shrubland was observed across the study period. This has been evidenced by many studies in Ethiopia (Fetene et al, 2016;Meshesha, Tsunekawa, Tsubo, Ali, & Haregeweyn, 2014;Reid et al, 2000;Tsegaye et al, 2010;Wondrade et al, 2014) and many tropical countries (Lira, Tambosi, Ewers, & Metzger, 2012;Nahuelhual, Carmona, Aguayo, & Echeverria, 2014;Putz et al, 2014). Such conversion of forestland, shrubland, and grasslands was anthropogenic in nature conditioned by socioeconomic, political, and institutional factors (Echeverria et al, 2008;Temesgen et al, 2013).…”

Section: Land Use/land Cover Analysismentioning

confidence: 94%

“…Anthropogenic habitat loss and fragmentation commonly influence ecosystem services provided by forests, shrubs, and grasslands across landscapes on spatial and temporal scales (Berhane, Totland, & Moe, ; Cuke & Srivastava, ; Fetene et al., ; Laurance, ; Midha & Mathur, ; Pinto‐Ledezma & Rivero, ; Wang & Yang, ; Zipperer, Foresman, Walker, & Daniel, ). Many studies conducted so far in different parts of the world on various ecosystem types revealed that habitat loss has a greater effect on ecosystem services such as biodiversity conservation among other things than fragmentation (Debuse, King, & House, ; Fahrig, ; Hillers, Veith, & Rödel, ; Peh, Lin, Luke, Foster, & Turner, ; Yaacobi, Ziv, & Rosenzweig, ).…”

Section: Introductionmentioning

confidence: 99%

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Landscape composition and configuration in the central highlands of Ethiopia

Tolessa

Senbeta

Kidane

2016

Ecology and Evolution

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Landscape dynamics are common phenomenon in the human‐dominated environments whereby it can be observed that the composition and configuration between landscape elements change over time. This dynamism brings about habitat loss and fragmentation that can greatly alter ecosystem services at patch, class, and landscape levels. We conducted a study to examine composition and configuration of forested landscape in the central highlands of Ethiopia using satellite images of over a period of four decades, and FRAGSTAT raster dataset was used to analyze fragmentation. Our result showed five land use/land cover (LULC) types in the study area. Cultivated land and settlement land increased at the expense of forestland, shrubland, and grassland. Fragmentation analysis showed the number of patches increased for all LULC types, indicating the level of fragmentation and interspersion. Juxtaposition increased for shrubland, grassland, and cultivated lands and decreased for settlement and forestland resulting in the fragmentation and isolation of patches. The study of LULC along with fragmentation at the landscape level can help improve our understanding of the pace at which conversion of landscape elements is happening and the impacts on ecosystem services as studies of LULC are courser in nature and would not show how each land use is reducing in size, proximity and shape among other things that determine ecosystem services. Such type of studies in rural landscapes are very vital to consider appropriate land management policies for the landscape level by taking into account the interaction between each element for sustainable development. We recommend land managers, conservationists, and land owners for observing the roles of each patch in the matrix to maximize the benefits than focusing on a single element.

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“…The LandTrend algorithms can be used to analyse, monitor and describe sequences of disturbances and regrowth in FES. Comprehensive analyses of FH have been conducted based on LandTrend and LandSat Time Series (LTS) [392][393][394][395][396]. Comprehensive information and reviews of remote-sensing change detection and ecological monitoring can be found in [397,398].…”

Section: Monitoring Stress On Vegetation In Fes With Rsmentioning

confidence: 99%

Understanding Forest Health with Remote Sensing -Part I—A Review of Spectral Traits, Processes and Remote-Sensing Characteristics

et al. 2016

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Anthropogenic stress and disturbance of forest ecosystems (FES) has been increasing at all scales from local to global. In rapidly changing environments, in-situ terrestrial FES monitoring approaches have made tremendous progress but they are intensive and often integrate subjective indicators for forest health (FH). Remote sensing (RS) bridges the gaps of these limitations, by monitoring indicators of FH on different spatio-temporal scales, and in a cost-effective, rapid, repetitive and objective manner. In this paper, we provide an overview of the definitions of FH, discussing the drivers, processes, stress and adaptation mechanisms of forest plants, and how we can observe FH with RS. We introduce the concept of spectral traits (ST) and spectral trait variations (STV) in the context of FH monitoring and discuss the prospects, limitations and constraints. Stress, disturbances and resource limitations can cause changes in FES taxonomic, structural and functional diversity; we provide examples how the ST/STV approach can be used for monitoring these FES characteristics. We show that RS based assessments of FH indicators using the ST/STV approach is a competent, affordable, repetitive and objective technique for monitoring. Even though the possibilities for observing the taxonomic diversity of animal species is limited with RS, the taxonomy of forest tree species can be recorded with RS, even though its accuracy is subject to certain constraints. RS has proved successful for monitoring the impacts from stress on structural and functional diversity. In particular, it has proven to be very suitable for recording the short-term dynamics of stress on FH, which cannot be cost-effectively recorded using in-situ methods. This paper gives an overview of the ST/STV approach, whereas the second paper of this series concentrates on discussing in-situ terrestrial monitoring, in-situ RS approaches and RS sensors and techniques for measuring ST/STV for FH.

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Detecting Trends in Landuse and Landcover Change of Nech Sar National Park, Ethiopia

Cited by 42 publications

References 27 publications

Effect of Land Use and Land Cover Change on Soil Erosion in Erer Sub-Basin, Northeast Wabi Shebelle Basin, Ethiopia

Effect of Land Use and Land Cover Change on Soil Erosion in Erer Sub-Basin, Northeast Wabi Shebelle Basin, Ethiopia

Landscape composition and configuration in the central highlands of Ethiopia

Understanding Forest Health with Remote Sensing -Part I—A Review of Spectral Traits, Processes and Remote-Sensing Characteristics

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