Ethiopia negussie zeray1, belaineh legesse2, jema haji mohamed2 and mengistu ketema aredo2,3 abstract this paper examines impacts of prosopis juliflora hereinafter may be referred as prosopis invasion on livelihoods of agro pastoral households using detailed household data in rural dire dawa administration of ethiopia. Prosopis juliflora thrives in most soils including. Experiences on prosopis management case of afar region. Prosopis juliflora was introduced to eastern ethiopia, for the purpose of degraded rangeland reclamation, but it.
Report submitted to cab international under the pdfb phase of the. Utilization assessment of prosopis juliflora in afar region, ethiopia us forest service, usda office of international programs usaid pastoral livelihoods initiative ii project pli ii tewodros wakie1, paul evangelista2 and melinda laituri3. The study aims to assess 1 the effects of prosopis invasion on land use land cover henceforth referred to lulc, and 2 extent of vegetation cover changes. Impacts and management in the face of climate change in ethiopia s middle awash valley. Utilization of pods of prosopis juliflora, an invasive. Mapping prosopis juliflora in west somaliland with landsat 8 satellite imagery and ground information michele meroni1, waitim ng2, felix rembold1, ugo leonardi3, clement atzberger2, hussein gadain3, muse shaiye3 1joint research centre jrc, food security unit, directorate d sustainable resources, via fermi 2749, tp.
Since its introduction to middle awash area of ethiopia late 1970s, it has invaded a huge amount of grasslands, rangelands and farmlands. Nowadays it is notorious and emerging problems to animals, native plant species and ecosystems in the country. It is spreading rapidly in the rangelands, croplands and forests and in particular is. The invasion of prosopis juliflora and afar pastoral livelihoods in the. They often thrive in arid soil and are resistant to drought, on occasion developing extremely deep root systems. Since its introduction to the middle awash area of ethiopia, it has invaded a huge acreage of grass and rangelands. Simone rettberg, university of bonn,and yohannes ayanu, university bayreuth the spread of prosopis juliflora in baadu, ethiopia from a socioecological perspective. Cabi scientists have helped map the ferocious speed and probable cause of a devastating spread of the invasive alien tree prosopis juliflora swartz dc across an area equivalent to half of neighbouring djibouti in the afar region of north eastern ethiopia. Invasion of alien prosopis species in israel, the west. It has become established as an invasive weed in africa, asia, australia and elsewhere. The demand is expected to increase to 225 million m 3 by the year 2001. It has inflicted hurt to rangelands and farm lands and in particular is threatening pastoral and agropastoral livelihoods. Distribution and socioeconomic impacts of prosopis.
An analytical assessment within the context of rural development in the horn of africa. Prosopis management in ethiopia although the exact date and source of prosopis introduction to ethiopia had not been documented, it was believed to be introduced from india in 1970s by the ministry of agriculture for conservation purposes hdra, 2005a. Utilization assessment of prosopis juliflora in afar. Prosopis juliflora management stakeholders analysis in afar national regional 86 state, ethiopia.
The use of prosopis juliflora for irrigated shelterbelts in arid conditions in northern sudan. The ecological and socioeconomic role of prosopis juliflora. Pdf utilization assessment of prosopis juliflora in afar. Survey, using group discussion and questionnaire, was made to study the effect of p. Pdf ecological and economic dimensions of the paradoxical. Ethiopia many of which have been produced after 2001, hardly any references published. Since its introduction to the middle awash area of ethiopia, it has. We conducted a contingent valuation study to assess rural households willingness to contribute in cash and labor to mitigate p. New study reveals the massive ecological and economic. Prosopis juliflora, an evergreen shrub, is one of the most invasive alien species causing economic and environmental harm in arid and semiarid areas. A socialeconomic assessment of the impact of prosopis juliflora invasion and participative management approaches in the afar region, ethiopia.
The spread of prosopis juliflora in baadu, ethiopia from a socioecological perspective regional conference on invasive species in asal, addis ababa, may 2014. The aim of this study was to assess the impact of prosopis juliflora on diversity of plant species found in alledeghi wildlife. Recommendations on prosopis juliflora management in afar, ethiopia, from an interdisciplinary perspective. The level and intensity of the species expansion and its ecological impacts are different among the east african countries. Wakie and paul evangelista and melinda laituri, year2012.
Prosopis hybridizes very rapidly and identification at. An evergreen shrub, prosopis juliflora is one of the most invasive species in arid and semiarid areas. The case of gewane district in afar regional state, ethiopia improved management, utilization and marketing could provide incalculable benefits to rural. Dominant invasive species and their management practice in. Prosopis juliflora, which is an alien tree species in ethiopia, has invaded over 360,500 ha of land in the afar region of the country and is threatening pastoral livelihoods. Metrics for the assessment of alien prosopis invasion in israel and in jordan based on the methodology suggested by wilson et al. It contains around 45 species of spiny trees and shrubs found in subtropical and tropical regions of the americas, africa, western asia, and south asia. Ecological and economic dimensions of the paradoxical invasive species prosopis juliflora and policy challenges in ethiopia. Invasion of alien prosopis species in israel, the west bank.
Impact assessment of prosopis juliflora invasion in the afar region, ethiopia 65 synthesis and recommendations from an interdisciplinary perspective. The expert consultation was held in ethiopia, but issues of invasion from prosopis affect all. Distribution and socioeconomic impacts of prosopis juliflora. Controlling the spread of prosopis in ethiopia by its utilisation prosopis is now a serious topic in ethiopia, especially in afar and diredawa. Utilization assessment of prosopis juliflora in afar region. Since its introduction to the middle awash area of ethiopia, it has invaded a huge acreage of grass and rangelands which are lifesupporting unit for afar pastoralists. Prosopis juliflora invasion and environmental factors on. Invasion of alien prosopis species in israel, the west bank and western jordan 5 table 1. Increased food security control and management of prosopis. Impact of moisture content and mound size on recovery and. In africa there are only two native prosopis species. Aug 19, 2016 a socialeconomic assessment of the impact of prosopis juliflora invasion and participative management approaches in the afar region, ethiopia. Addis abeba, april 252019 cabi scientists have revealed the massive ecological and economic impacts that the invasive alien tree prosopis juliflora has had across the afar region of north eastern ethiopia. Fabaceae it is a perennial evergreen multipurpose dry land tree or shrub native to the caribbean, north and south america.
Ethiopias natural resource base is the foundation of economic. This briefing paper is aimed at decision makers in ethiopia involved in. Biological control of mesquite prosopis species fabaceae. This briefing paper is aimed at decision makers in ethiopia involved in issues related to the problems of prosopis. Chillines are present in neighboring sudan and kenya choge et al. This paper examines impacts of prosopis juliflora hereinafter may be referred as. Invasive mesquite prosopis juliflora near the awash river, afar region, ethiopia image courtesy of t. The spread of prosopis juliflora in baadu, ethiopia from a. We used correlative models with species occurrence points, moderate resolution imaging spectroradiometer modis vegetation indices, and topoclimatic predictors to map the current distribution and potential habitat of invasive prosopis juliflora in afar, ethiopia. The case of gewane district in afar regional state, ethiopia mohammed jemaneh seid department of agricultural economics, school of graduate studies haramaya university, ethiopia. Controlling andor using prosopis juliflora in spate irrigation systems 73.
Distribution and socioeconomic impacts of prosopis juliflora in east shewa and west arsi zones, ethiopia niguse hundessa and amare fufa ethiopia institute of agricultural research, p. Roberts3 1agricultural research council, plant protection research institute, private bag x6006, hilton, 3245 south africa. Controlling the spread of prosopis in ethiopia by its. Prosopis juliflora invasion and environmental factors on density of soil seed bank in afar region, northeast ethiopia wakshum shiferaw1, tamrat bekele2, sebsebe demissew2 and ermias aynekulu3 abstract the aims of the study were to analyze 1 the effects of prosopis juliflora prosopis on the spatial distribution and. Summary prosopis juliflora, an evergreen shrub, is one of the most invasive alien species causing economic and environmental harm in arid and semiarid areas. Apr 25, 2019 invasive mesquite prosopis juliflora near the awash river, afar region, ethiopia image courtesy of t. Mapping prosopis juliflora in west somaliland with landsat 8 satellite imagery and ground information michele meroni1, waitim ng2, felix rembold1, ugo leonardi3, clement atzberger2, hussein gadain3, muse shaiye3. Pdf utilization assessment of prosopis juliflora in afar region. The ecological and socioeconomic role of prosopis juliflora in eritrea. Prosopis in east africa east african countries are the most volunerable countries in africa for the problems related to the prosopis juliflora.
Prosopis juliflora henceforth referred as prosopis plant is an invasive species affecting the health of rangelands in afar region of ethiopia. Prosopis is a genus of flowering plants in the pea family, fabaceae. Dc and rural livelihoods the case of afar pastoralists at middle awash area of ethiopia zeraye mehari haile a thesis submitted in partial fulfillment of the requirement for the degree of master of science. Prosopis juliflora is known for invading millions of hectares of land which were under different land use systems in africa, asia, australia and south america pasiecznik 1999, haile 2008. Household perception about prosopis juliflora and its effect on pastoral livelihood diversification 23 strategy. It is native to mexico, south america and the caribbean. In ethiopia, the aggressive invasion of prosopis juliflora in pastoral areas is displacing native trees, forming impenetrable thickets and reducing grazing potential pasiecznik et. Desalegn hotel, addis ababa, ethiopia prosopis juliflora is one of the worlds worst invasive alien species and threatens the asal areas in the horn of africa with environmental. Israel western jordan current status1 e e number of foci2 18 16 extent of occurrence invaded area3 689. Thus the aim of this study was to generate information for a better. Invasion of prosopis juliflora and local livelihoods. In ethiopia prosopis juliflora henceforth called prosopis is an invasive alien species ias causing, economic and environmental harm. Addressing the issue of prosopis juliflora in ethiopia.
The introduced prosopis species this section aims to provide users with a brief guide to the genus prosopis and especially prosopis juliflora for correct identification. Distribution, impacts and available control methods in ethiopia article pdf available in tropical and subtropical agroecosystems 201. Controlling the spread of prosopis juliflora in ethiopia by its utilization, hdra. Prosopis juliflora as a source of food and medicine for rural inhabitants in rio grande do norte. The invasion of prosopis juliflora in the drylands of northeast ethiopia. Regional conference on managing prosopis juliflora for better agropastoral livelihoods in the horn of africa conference date. The study was conducted by producing charcoal from a naturally grown p. Introduction invasive plant species, introduced deliberately or accidentally to different parts of the world, can cause important economic, environmental and social losses anderson, 2005. Controlling the spread of prosopis in ethiopia by its utilisation. Utilization of prosopis juliflora in afar region ethiopia. Preliminary investigations of allelopathic effects and. The spread of prosopis in historical and spatial context. O box 2003, addis ababa, ethiopia abstract prosopis juliflora is exotic species which have been thought to be introduced to ethiopia as agroforestry.
It is a contributing factor to continuing transmission of malaria, especially during dry periods. Mapping prosopis juliflora in west somaliland with landsat. Impacts of prosopis juliflora invasion on livelihoods of pastoral and. Introduction invasive plant species, introduced deliberately or accidentally to different parts of the world, can cause important economic, environmental and. Research progress on the use of plant allelopathy in agriculture and. Abstract prosopis juliflora, an evergreen treebush, is one of the most invasive species in arid and semi arid areas. Householdlevel preferences for mitigation of prosopis. The invasive plant species prosopis juliflora is continuing to expand into new areas within the middle awash valley.
Distribution, impacts and available control methods in ethiopia. It is spreading rapidly in the rangelands, croplands and forests and in particular is threatening pastoral and agropastoral livelihoods. Precise distribution and socioeconomic impacts of the weed is not predictable in the study area. Managing prosopis juliflora for better agro pastoral. However, this long history of misidentification appears to have been resolved by the publication of a new field guide pasiecznik et al. Mapping current and potential distribution of nonnative. The genus comprises 44 species of which 40 are native to the americas.
Utilization assessment of prosopis juliflora in afar region, ethiopia technical report pdf available july 2012 with 1,151 reads how we measure reads. The distinctive features of some important introduced prosopis species in india are described. In managing prosopis juliflora for better agro pastoral livelihoods in the horn of africa proceedings of the regional conference may 1 may 2, 2014, addis ababa, ethiopia. Research progress on the use of plant allelopathy in agriculture and the physiological and ecological mechanisms of allelopathy. Roberts3 1agricultural research council, plant protection research institute, private bag x6006, hilton, 3245 south africa 2school of biological and conservation sciences, university of kwazulunatal, private bag x01, pietermaritzburg. Prosopis juliflora, an evergreen shrub, is one of the most invasive alien species causing economic and. Biological control of mesquite prosopis species fabaceae in south africac. An evergreen shrub, prosopis juliflora is one of the most invasive species in. In ethiopia and kenya, prosopis juliflora is one of the worlds worst woody invasive plant forming impenetrable shrubby thickets, causing an. The invasion of prosopis juliflora and afar pastoral. Prosopis juliflora is an ecosystem engineer that was introduced to ethiopia in the 1970s to address erosion problems but has subsequently become an important invader. Addis abeba, april 252019 cabi scientists have revealed the massive ecological and economic impacts that the invasive alien tree prosopis juliflora has had across the afar region of north eastern ethiopia dr urs schaffner, who is supervising lead author hailu shiferaw for. Prosopis is a genus belonging to the botanical family of fabaceae, capable to bind atmospheric nitrogen and hence to contribute to soil fertility improvement.
Utilization of pods of prosopis juliflora, an invasive tree. Prosopis is now a serious topic in ethiopia, especially in afar and diredawa. Managing prosopis juliflora for better agro pastoral livelihoods in the horn of africa. Impacts of prosopis juliflora invasion on livelihoods of. Mapping prosopis juliflora in west somaliland with landsat 8. It has invaded large areas of mostly grazing land in these regions and elsewhere, and is the national no. Prosopis juliflora is a thorny shrub 35 m or tree growing up to 15 m height. Prosopis has invaded parts of wildlife reserves and national parks. Prosopis juliflora is exotic species which have been thought to be introduced to ethiopia as agroforestry.