Emiru Birhane

Emiru Birhane
Mekelle univesity & Norwegian University of Life Sciences (NMBU) · Land resources management and environmental protection in Mekelle university ; Ecology & conservation of natural resources in NMBU

Ph.D.

About

137
Publications
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Introduction

Publications

Publications (137)
Article
Full-text available
Wild edible plant species (WEPs) are sources of food, nutrition, and medicine to people. However, often, the nutritional value of WEPs is unknown. This study was conducted to determine proximate and mineral contents of Balanites aegyptiaca, Cordia africana and Ziziphus spina-christi fruit. Fruit samples were collected from 10 trees of each species...
Article
Aboveground carbon (AGC) stock in forests is affected by several biotic and abiotic factors. Understanding those factors is crucial in managing forests for climate change mitigation and other ecosystem services. This study examined effects of diversity attributes (species and stand structural diversity of woody plants) and topographic attributes (a...
Article
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Farmer Managed Natural Regeneration (FMNR) is a rapid, low cost and easily replicated approach to restore and improve degraded agricultural, forest and pasture lands. The study was conducted in low (500–1500 m.a.s.l) and mid (1500–2300 m.a.s.l) altitude agro-ecologies of Tigray region assessing farmer’s perception and reasons to practice FMNR. Purp...
Article
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Agroforestry plays a significant role in climate change mitigation through improved sequestration and storage of carbon in farmlands. However, quantitative information on above and belowground carbon inputs in agroforestry systems practiced is limited in the drylands is limited. This study estimated biomass and soil carbon stocks of Rhamnus prinoid...
Article
In northern Ethiopia, considerable enrichment planting is essential to enhance the regeneration of dry forests. However, planted seedlings suffer high levels of mortality in arid climates. Biochar can enhance seedling survival and growth. Therefore, this study aimed to determine the effect of biochar (derived from Vachellia etbaica) on the survival...
Chapter
The chapter explicitly shows the potential of Assisted Natural Regeneration (ANR) or Farmer Management Natural Regeneration (FMNR) for restoring degraded landscapes and promotion of Agroforestry in the Ethiopian context. ANR/FMNR as a tool could bring a significant change and speed up the restoration initiatives and commitments of Ethiopia taking t...
Article
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Bauhinia thonningii is a woody leguminous tree species, which is endowed with enormous soil improvement, medicinal, nutritional, and socio-ecological benefits in African. The current study was carried out to systematically review and document findings on the multiple benefits of B. thonningii and thereby identify gaps and opportunities for further...
Article
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Understanding the performance of agroforestry woody species in controlled and free grazing systems is crucial for scaling up agroforestry practices. The objective of this study was to identify and evaluate the determinants of agroforestry woody species composition and regeneration in free and controlled grazing systems in the Ethiopian highlands. H...
Article
Water use efficiency (WUE) measures the trade-off between carbon gain and water loss and is an important link between the carbon and water cycles. A better understanding of spatiotemporal variation in WUE and its controlling factors will help to improve ecosystem management for adapting to and mitigating the impacts of climatic change. We examined...
Article
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Arbuscular mycorrhizal fungi (AMF) spore density and root colonization are considered sensitive to host species and abiotic factors such as climate and soil. However, there is a knowledge gap about how fragmented native forest remnants might contribute to AMF conservation, what is the AMF spore density and root colonization, and to what extent clim...
Article
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Increased presence of expansive plant species could bring about various ecological influences on biomass carbon, soil organic carbon, and the physical and chemical properties of the soils. However, their impacts on these ecological parameters could differ due to a wide range of life forms, plant communities of the invaded ecosystems, and abiotic co...
Article
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Ethiopia is one of the countries with the most degraded forest resources. Information on tree structure is needed at some points in the process to assess the appropriateness of forest management. The objectives are to examine whether the Structure from Motion (SfM)-based photogrammetry can be used to derive the forest structural parameters, and how...
Article
Expansive native species have the same ecological and economic consequences as invasive alien species through the reduction of ecosystem goods and services. We assessed human disturbance and environmental factors that are contributing to the expansion of two expansive shrubs, Cadia purpurea and Tarchonanthus camphoratus in Desa’a dry Afromontane fo...
Article
The establishment of grazing exclosures is widely practiced to restore degraded agricultural lands and forests. Here, we evaluated the potential of grazing exclosures to contribute to the”4 per 1000” initiative by analyzing the changes in soil organic carbon (SOC) stocks and sequestration (SCS) rates after their establishment on degraded communal g...
Article
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The adverse impacts of ecosystem degradation have raised the need for forest landscape restoration (FLR) to be included in international sustainability agendas. However, the path towards successful FLR implementation faces numerous biophysical, socioeconomic and governance challenges because FLR operates within complex socioecological systems. In t...
Article
Grazing exclosures have been promoted as an effective and low-cost land management strategy to recover vegetation and associated functions in degraded landscapes in the tropics. While grazing exclosures can be important reservoirs of biodiversity and carbon, their potential in playing a dual role of conservation of biodiversity and mitigation of cl...
Preprint
Among the least know species found in Desa'a forest is Draceana ombet, which grows in the dry Afromontane forest region in open Olea europaea and semi-desert grasslands associated with scattered acacia scrub. Regardless of its being an endangered species, no assessment on its distribution and socioeconomic use has been done in Tigray. No comprehens...
Article
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Background Stone mining is one of the main livelihood activities in areas close to major cities in Ethiopia. Mining tends to make a notable impact on woody plant species and soil properties. Information regarding the effect of stone mining on woody plant species diversity and soil properties is limited in Ethiopia. It is also less known how people...
Article
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The increasing rate of land use intensification and the rising evidence of climate change impacts raise concerns about the viability of valued non-timber forest product (NTFP)-providing trees. This calls for the assessment of the current status and future trajectories of their populations. Using population data collected from three land-use types (...
Article
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Introduction Pastoralism and agro-pastoralism are the major modes of life in arid and semi-arid rangelands. However, rangeland quality and quantity are rapidly deteriorating due to a number of natural and human-induced factors, one of which is bush encroachment. Little is known on how bush encroachment affects the ecosystem functions and services e...
Article
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Lianas contribute substantially to plant diversity and to local people’s livelihood in tropical forests around the world. However, their species composition and the factors that determine their distribution in dry Afromontane forests are less explored. In this study, we quantified the diversity and density of lianas under various anthropogenic dist...
Article
Full-text available
We investigated arbuscular mycorrhizal fungi (AMF) spore density and root colonization in three distinct dry Afromontane forest plant communities, representing differing levels of disturbance and soil properties. Soil and root samples were collected from sixty-five 50 × 50-m plots from four plant communities. We collected data for AMF spore density...
Article
Shortage of fuel wood is both the cause and the consequence of deforestation and degradation of most forests and woodlands in developing countries. Agroforestry can be a sustainable option to meet household fuel demand and thus reduce pressure on natural vegetation. This study assessed the contribution of Parkland agroforestry (PLAF) practice as an...
Article
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Area exclosure is a widely practiced intervention of restoring degraded lands though its impact in sequestering terrestrial and soil carbon is scanty. The study was initiated to investigate the effect of exclosure of different ages on carbon sequestration potential of restoring degraded dryland ecosystems in eastern Tigray, northern Ethiopia. Twelv...
Article
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Land use and the associated ecosystem service functions vary with changes in agroecological conditions. This study analyzed distribution of ecosystem service values along the agroecological gradient in Borena landscape. Land cover information was extracted from Landsat satellite images; and ecosystem service values estimated using established globa...
Article
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Abebe Damtew, Emiru Birhane and Hadgu Hishe (2019)፡ Vermicomposting enhances the growth of Olea europea subsp. Cuspidata seedlings: nursery study from Tigray, northern Ethiopia. Journal of the Drylands, 9(1): 977-985. Although vermicompost has been found to improve the condition of the soil and the growth of plants, there has not been much study on...
Article
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Exclosures are established with the objective of rehabilitating degraded lands and restoring of woody vegetation. Various studies have been conducted to evaluate the success of exclosure on restoring woody species diversity. However, works focusing on the effect of topographic factors on woody species diversity are scarce. Understanding the factors...
Article
Full-text available
Exclosures are established with the objective of rehabilitating degraded lands and restoring of woody vegetation. Various studies have been conducted to evaluate the success of exclosure on restoring woody species diversity. However, works focusing on the effect of topographic factors on woody species diversity are scarce. Understanding the factors...
Article
Full-text available
Acacia polyacantha is a fast growing indigenous tree legume that can be integrated with crops as parkland agroforestry system. Farmers keep Acacia polyacantha on their farmlands mainly for fuel wood, animal fodder, farm tools and construction. However, quantitative information on the effect of Acacia polyacantha on soil fertility improvement and so...
Article
Full-text available
Dispersed trees such as Oxytenanthera abyssinica (A. Rich.) and Dalbergia melanoxylon (Guill. & Perr.) which are objectively maintained or planted on farmland provide a significant contribution to soil fertility improvement. However, there was no quantitative information on the level of soil nutrient additions of these trees to the soil system. Thi...
Article
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In Ethiopia, the Afromontane forests have experienced severe deforestation and forest degradation and loss of biodiversity. Hence, there is a need for soil seed bank to play a great role in rehabilitation and restoration of degraded areas. However, assessment of soil seed bank has not been of research interest. Therefore, this study was conducted t...
Article
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In northern Ethiopia, revegetation is necessary for preventing land degradation. However, planting seedlings show high mortality under arid climate. Biochar has the capacity to enhance seedling survival and symbiosis with arbuscular mycorrhizal fungi. We planted Olea europaea subsp. cuspidata and Dodonaea angustifolia into soil treated with biochar...
Article
Full-text available
Trees on farm provide numerous supporting and regulating services. Some services are biodiversity conservation and enhancement of carbon stock storage. This depends upon the exclusion of livestock intervention to farmlands. In Ethiopia, exclosure has been implemented on communal grazing lands which brought better abundance and enhanced carbon stock...
Book
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In Sub-Saharan Africa, the majority of the population depends on subsistence farming in a system characterized by high forest landscape degradation, low soil fertility, erratic rainfall, small farm sizes, and a high population. Over 936.1 million people live in this region, and over 60% of the population depends on farming, according to 2015 data f...
Book
Full-text available
In Sub-Saharan Africa, the majority of the population depends on subsistence farming in a system characterized by high forest landscape degradation, low soil fertility, erratic rainfall, small farm sizes, and a high population. Over 936.1 million people live in this region, and over 60% of the population depends on farming, according to 2015 data f...
Chapter
Full-text available
Smallholder farming systems in Sub-Saharan Africa (SSA) have been characterized by low crop yields as well as their reliance on ecosystem services. With chronically stagnant productivity, accommodating the growing demand for food, fuel, and income sources for a population that has doubled in the last decades has mainly been accomplished by the expa...
Chapter
Full-text available
Summary Climate change influences agricultural production and threatens the livelihoods of farming households in Africa. The impacts of climate change have been more severe for poor and marginalized peoples, especially women, than they have been for other groups in the society, due to their disadvantaged access to technologies, resources, informati...
Article
Full-text available
Integrated watershed management (IWSM) technologies have been implemented around the world, including in the northern highlands of Ethiopia during the last few decades. However, their role in improving soil-health along different geological formations is not well studied. This study was, thus, aimed at quantifying the impact of IWSM on soil-health...
Article
The litter fall production, decomposition and subsequent nutrient release of Carrisa edulis, Juniperus procera, Maytenus obscura and Olea europaea was monitored in the dry Afromontane forest of Northern Ethiopia by collecting abscised leaves using litter trap with a 192 litter bags in a randomised complete block design and collected monthly for 8 m...
Article
Full-text available
The litter fall production, decomposition and subsequent nutrient release of Carrisa edulis, Juniperus procera, Maytenus obscuraandOlea europaeawas monitored in the dry Afromontane forest of Northern Ethiopia by collecting abscised leaves using litter trap with a 192 litter bags in a randomised complete block design and collected monthly for 8 mont...
Article
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The harvest of plant parts and exudates from wild populations contributes to the income, food security and livelihoods of many millions of people worldwide. Frankincense, an aromatic resin sourced from natural populations of Boswellia trees and shrubs, has been cherished by world societies for centuries. Boswellia populations are threatened by over...
Article
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Acacia saligna provides multi-functions such as production of particle board. However, quantitative information on the physico-mechanical properties of particle board made from A. saligna is scarce. This study evaluated the physicomechanical properties of A.saligna particle board. Physico-mechanical properties of boards were evaluated with respect...
Article
Full-text available
Rehabilitation of degraded lands is the priority in the current natural resource management agenda of the country. Exclosures coupled with enrichment plantation have been recognized as successful instruments of restoring degraded landscapes of northern Ethiopia, Tigray. Acacia saligna is one among the other plants, which is widely being planted in...
Article
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Provenance selection, undertaken through provenance adaptation trials to ensure the right species is selected for the right purpose. A provenance adaptation trial was undertaken in Tigray with the objectives of comparing adaptability and growth performance, and selecting pole type and multipurpose Acacia saligna provenances suitable to the middle a...
Article
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Woody diversity and carbon stock estimation of land use types have critical role for the successful implementation of climate change mitigation and adaptation strategies. This study investigated relationships between woody species diversity and carbon stock in different land use types. Three land use types (area exclosure, homestead agroforestry an...
Article
Full-text available
Understanding the spatial variability of groundwater recharge in response to distributed Land-use, soil texture, topography, groundwater level, and hydrometeorological parameters is significant when considering the security of groundwater resource development. Thus, this study was aimed at estimating the spatial groundwater recharge of Raya valley,...
Article
Full-text available
Exclosures are used to regenerate native vegetation as a way to reduce soil erosion, increase rain water infiltration and provide fodder and woody biomass in degraded grazing lands. Therefore, this study assessed the impact of grazing exclosure on carbon sequestration and soil nutrients under 5 and 10 years of grazing exclosures and freely grazed a...
Article
Full-text available
Study region: This study focuses on Tekeze river basin of northern Ethiopia, and it is characterized by a typical dry biogeophysical environment. Study focus: In recent years, recurrent droughts are having an adverse impact on agricultural production and water resources in northern Ethiopia. Climate change through changes on temperature , precipita...