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Journal articles on the topic 'Ethiopian Highland'

Author: Grafiati

Published: 4 June 2021

Last updated: 18 February 2022

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1

Thompson, Daniel K. "Border crimes, extraterritorial jurisdiction, and the racialization of sovereignty in the Ethiopia–British Somaliland borderlands during the 1920s." Africa 90, no. 4 (2020): 746–73. http://dx.doi.org/10.1017/s0001972020000303.

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AbstractThis article argues that the politics of extraterritorial jurisdiction in the 1920s reshaped relations between ethnicity and territorial sovereignty in Ethiopia's eastern borderlands. A 1925 criminal trial involving Gadabursi Somalis began as what Britons deemed a ‘tribal matter’ to be settled through customary means, but became a struggle for Ethiopia's regent, Ras Tafari, to assert Ethiopia's territorial authority and imperial sovereignty. British claims of extraterritorial jurisdiction over Somalis amidst 1920s global geopolitical shifts disrupted existing practices of governance in

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2

Young, John. "Along Ethiopia's western frontier: Gambella and Benishangul in transition." Journal of Modern African Studies 37, no. 2 (1999): 321–46. http://dx.doi.org/10.1017/s0022278x9900302x.

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The lowland Ethiopian regions of Gambella and Benishangul, bordering Sudan, form a classic frontier zone. ‘Modern’ politics dates from the 1974 Ethiopian revolution, and has been shaped by developments on either side of the frontier, as well as by the complex relations among indigenous peoples, and between them and immigrants and officials from highland areas of Ethiopia. The implementation of the post-1991 Ethiopian government's programme of ethnic regionalism has intensified local rivalries, and regional governments remain weak, being highly dependent on professionals from highland Ethiopia.

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3

Smith, Megan L., Brice P. Noonan, and Timothy J. Colston. "The role of climatic and geological events in generating diversity in Ethiopian grass frogs (genus Ptychadena )." Royal Society Open Science 4, no. 8 (2017): 170021. http://dx.doi.org/10.1098/rsos.170021.

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Ethiopia is a world biodiversity hotspot and harbours levels of biotic endemism unmatched in the Horn of Africa, largely due to topographic—and thus habitat—complexity, which results from a very active geological and climatic history. Among Ethiopian vertebrate fauna, amphibians harbour the highest levels of endemism, making amphibians a compelling system for the exploration of the impacts of Ethiopia's complex abiotic history on biotic diversification. Grass frogs of the genus Ptychadena are notably diverse in Ethiopia, where they have undergone an evolutionary radiation. We used molecular da

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4

Rege, J. E. O., F. Toe, E. Mukasa-Mugerwa, et al. "Reproductive characteristics of Ethiopian highland sheep." Small Ruminant Research 37, no. 3 (2000): 173–87. http://dx.doi.org/10.1016/s0921-4488(00)00140-1.

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5

Toe, F., J. E. O. Rege, E. Mukasa-Mugerwa, et al. "Reproductive characteristics of Ethiopian highland sheep." Small Ruminant Research 36, no. 3 (2000): 227–40. http://dx.doi.org/10.1016/s0921-4488(99)00117-0.

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6

Hagmann, Tobias. "Beyond clannishness and colonialism: understanding political disorder in Ethiopia's Somali Region, 1991–2004." Journal of Modern African Studies 43, no. 4 (2005): 509–36. http://dx.doi.org/10.1017/s0022278x05001205.

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This article proposes an alternative interpretation of political disorder in Ethiopia's Somali Regional State since the rise to power of the Ethiopian People's Revolutionary Democratic Front (EPRDF) in 1991. Some observers have perceived contemporary politics in the former Ogaden as an example of ‘internal colonisation’ by highland Ethiopians. Others attribute political instability to the ‘nomadic culture’ inherent in the Somali clan structure and the ineptness of its political leaders. This study argues that neither of these two politicised narratives grasps the contradictory interactions bet

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7

Saleem, M. A. Mohamed. "Fragile East African Highlands: a Development Vision for Smallholder Farmers in the Ethiopian Highlands." Outlook on Agriculture 24, no. 2 (1995): 111–16. http://dx.doi.org/10.1177/003072709502400208.

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For societies that depend on agriculture, the process of meeting current or future welfare demands should not continue without regard to the potential long-term dangers of land resource over-use. With an increasing human and animal population in the Ethiopian highlands development efforts so far have been hasty and disjointed, and have sidetracked issues of production base security and conservation. As a result, large-scale degradation has ensued, and if the trend continues the agricultural future of the country is threatened. Cohesive land-use practices are needed in order to manage the fragi

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8

Hailu, Teweldemedhn Gebretinsae, Paul D'Alvise, and Martin Hasselmann. "Disentangling Ethiopian Honey Bee (Apis mellifera) Populations Based on Standard Morphometric and Genetic Analyses." Insects 12, no. 3 (2021): 193. http://dx.doi.org/10.3390/insects12030193.

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The diversity and local differentiation of honey bees are subjects of broad general interest. In particular, the classification of Ethiopian honey bees has been a subject of debate for decades. Here, we conducted an integrated analysis based on classical morphometrics and a putative nuclear marker (denoted r7-frag) for elevational adaptation to classify and characterize these honey bees. Therefore, 660 worker bees were collected out of 66 colonies from highland, midland and lowland agro-ecological zones (AEZs) and were analyzed in reference to populations from neighboring countries. Multivaria

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9

Bekele, T., and E. Mukasa-Mugerwa. "Oestrus ovis infection in Ethiopian highland sheep." Veterinary Research Communications 18, no. 6 (1994): 439–42. http://dx.doi.org/10.1007/bf01839420.

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10

Mukasa-Mugerwa, E., and B. Tekelye. "The reproductive performance of Ethiopian Highland sheep." Animal Reproduction Science 17, no. 1-2 (1988): 95–102. http://dx.doi.org/10.1016/0378-4320(88)90049-8.

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11

Kamara, C. S., and I. Haque. "Faidherbia albida and its effects on Ethiopian highland Vertisols." Agroforestry Systems 18, no. 1 (1992): 17–29. http://dx.doi.org/10.1007/bf00114814.

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12

AYELET, G., F. ROGER, M. TIBBO, and S. TEMBELY. "Survey of Maedi-Visna (MV) in Ethiopian Highland Sheep." Veterinary Journal 161, no. 2 (2001): 208–10. http://dx.doi.org/10.1053/tvjl.2000.0544.

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13

Alemneh, Temesgen, Argaw Ambelu, Benjamin F. Zaitchik, Simon Bahrndorff, Seid Tiku Mereta, and Cino Pertoldi. "A macroinvertebrate multi-metric index for Ethiopian highland streams." Hydrobiologia 843, no. 1 (2019): 125–41. http://dx.doi.org/10.1007/s10750-019-04042-x.

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14

Siraj, Amir S., Menno J. Bouma, Mauricio Santos-Vega, et al. "Temperature and population density determine reservoir regions of seasonal persistence in highland malaria." Proceedings of the Royal Society B: Biological Sciences 282, no. 1820 (2015): 20151383. http://dx.doi.org/10.1098/rspb.2015.1383.

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A better understanding of malaria persistence in highly seasonal environments such as highlands and desert fringes requires identifying the factors behind the spatial reservoir of the pathogen in the low season. In these ‘unstable’ malaria regions, such reservoirs play a critical role by allowing persistence during the low transmission season and therefore, between seasonal outbreaks. In the highlands of East Africa, the most populated epidemic regions in Africa, temperature is expected to be intimately connected to where in space the disease is able to persist because of pronounced altitudina

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15

Kahurananga, J. "Intercropping Ethiopian Trifolium Species with Wheat." Experimental Agriculture 27, no. 4 (1991): 385–90. http://dx.doi.org/10.1017/s0014479700019359.

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SUMMARYTrials were conducted in 1987 and 1988 to test methods of intercropping annual Ethiopian clovers, Trifolium spp, with wheat. Several different clover varieties, sowing methods, plant spacings, planting dates and rates of phosphorus application were compared. Planting in single or double alternative rows 20 cm apart did not affect wheat grain and straw yield but broadcast sowing of Trifolium in wheat rows 20 cm apart reduced wheat yield. The Trifolium species used significantly affected legume yield. Phosphorus fertilizer increased yield significantly, especially that of the legume compo

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16

SHIGETA, Masayosi. "Diversity of cultivated plants and highland environment in tropical Africa with special reference to Ethiopian highland." Tropics 5, no. 3/4 (1996): 151–60. http://dx.doi.org/10.3759/tropics.5.151.

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17

Gutema, Tariku Mekonnen, Anagaw Atickem, Diress Tsegaye, et al. "Foraging ecology of African wolves ( Canis lupaster ) and its implications for the conservation of Ethiopian wolves ( Canis simensis )." Royal Society Open Science 6, no. 9 (2019): 190772. http://dx.doi.org/10.1098/rsos.190772.

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African wolves (AWs) are sympatric with endangered Ethiopian wolves (EWs) in parts of their range. Scat analyses have suggested a dietary overlap between AWs and EWs, raising the potential for exploitative competition, and a possible conservation threat to EWs. However, in contrast to that of the well-studied EW, the foraging ecology of AWs remains poorly characterized. Accordingly, we studied the foraging ecology of radio-collared AWs ( n = 11 individuals) at two localities with varying levels of anthropogenic disturbance in the Ethiopian Highlands, the Guassa-Menz Community Conservation Area

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18

Nnadi, L. A., I. Haque, and L. M. Mugwira. "Phosphorus response and mineral composition of ethiopian highland trifolium (clover) species." Communications in Soil Science and Plant Analysis 24, no. 7-8 (1993): 641–56. http://dx.doi.org/10.1080/00103629309368830.

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19

Addisie, Meseret B., Getaneh K. Ayele, Nigus Hailu, et al. "Connecting hillslope and runoff generation processes in the Ethiopian Highlands: The Ene-Chilala watershed." Journal of Hydrology and Hydromechanics 68, no. 4 (2020): 313–27. http://dx.doi.org/10.2478/johh-2020-0015.

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AbstractEffective watershed planning requires an understanding of the hydrology. In the humid tropical monsoon climates and especially in volcanic highland regions such as the Ethiopian Highlands, the understanding of watershed processes is incomplete. The objective is to better understand the hydrology of the volcanic regions in the humid highlands by linking the hillslope processes with the discharge at the outlet. The Ene-Chilala watershed was selected for this study. The infiltration rate, piezometric water levels and discharge from two nested sub watersheds and at the watershed outlet wer

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20

Lavers, Tom. "Food security and social protection in highland Ethiopia: linking the Productive Safety Net to the land question." Journal of Modern African Studies 51, no. 3 (2013): 459–85. http://dx.doi.org/10.1017/s0022278x13000402.

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ABSTRACTWhile much recent research has focused on the Productive Safety Net Programme (PSNP), this is by no means the only social protection policy in rural Ethiopia. Drawing on a very different rationale to the PSNP, the Ethiopian government also justifies state land ownership as a form of social protection for smallholders. This paper examines the links between these policies through a case study of an extremely food-insecure site. The paper concludes that while the PSNP and land policy together provide minimal security for landholders, land shortages and the problematic nature of agricultur

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21

Mukasa-Mugerwa, E., Azage Tegegne, M. Mattoni та G. Cecchini. "Effect of oestrous synchronization with prostaglandin F2α in Ethiopian highland zebu (Bos indicus) cows". Animal Science 48, № 2 (1989): 367–73. http://dx.doi.org/10.1017/s0003356100040356.

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ABSTRACTThe length of the oestrous cycle and plasma progesterone concentration in Ethiopian Highland zebu cows were monitored after treatment with prostaglandin F2α (PGF) (25 mg Lutalyse®) 12 days after spontaneous oestrus. PGF induced luteolysis followed by a significant drop in progesterone values to proportionately 0·11, 0·04 and 0·03 of the pre-treatment values (range 6·3 to 11·4 μg/l) within 24, 48 and 72 h of PGF injection, respectively (P < 0·001). PGF treatment resulted in oestrus within 72 to 120 h and did not influence the length of the subsequent oestrous cycle (P > 0·05). Mea

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22

Fetahi, Tadesse, Michael Schagerl, and Seyoum Mengistou. "Key drivers for phytoplankton composition and biomass in an Ethiopian highland lake." Limnologica 46 (March 2014): 77–83. http://dx.doi.org/10.1016/j.limno.2013.10.007.

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23

Regassa, F., H. Tamrat, and M. Bekana. "Ovarian activity, transuterine embryo migration and prenatal losses in Ethiopian highland ewes." Tropical Animal Health and Production 39, no. 2 (2007): 131–39. http://dx.doi.org/10.1007/s11250-007-4355-6.

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24

Lack, Justin B., Matthew J. Monette, Evan J. Johanning, Quentin D. Sprengelmeyer, and John E. Pool. "Decanalization of wing development accompanied the evolution of large wings in high-altitude Drosophila." Proceedings of the National Academy of Sciences 113, no. 4 (2016): 1014–19. http://dx.doi.org/10.1073/pnas.1515964113.

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In higher organisms, the phenotypic impacts of potentially harmful or beneficial mutations are often modulated by complex developmental networks. Stabilizing selection may favor the evolution of developmental canalization—that is, robustness despite perturbation—to insulate development against environmental and genetic variability. In contrast, directional selection acts to alter the developmental process, possibly undermining the molecular mechanisms that buffer a trait’s development, but this scenario has not been shown in nature. Here, we examined the developmental consequences of size incr

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25

Tamrat, Taddesse. "Processes of Ethnic Interaction and Integration in Ethiopian History: the Case of the Agaw." Journal of African History 29, no. 1 (1988): 5–18. http://dx.doi.org/10.1017/s0021853700035957.

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The earliest documents available on the Ethiopian region, in the form of Greek and Ge'ez inscriptions, give a general picture of considerable ethnic and linguistic diversity in a relatively small area of northern Ethiopia. One of the ethnic groups referred to then and subsequently, with remarkable continuity from pre-Aksumite times until the present day, is the Agaw. Different sections of the Agaw seem to have constituted an important part of the population occupying the highland interior of northern Ethiopia from ancient times. In the early days of the gradual formation and consolidation of t

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26

Gebeyehu, Getaneh, Teshome Soromessa, and Demel Teketay. "Organic Carbon Stocks, Dynamics and Restoration in Relation to Soils of Agroecosystems in Ethiopia: A Review." International Journal of Environment 6, no. 1 (2017): 1–22. http://dx.doi.org/10.3126/ije.v6i1.16864.

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Soils represent the largest carbon pool and play important roles for carbon storage for prolonged periods in agroecosystems. A number of studies were conducted to quantify soil organic carbon (SOC) worldwide. The objective of this review was to evaluate organic carbon stocks, dynamics and restoration in soils of agroecosystems in Ethiopia. Soil data from 32 different observations, representing four different agroecosystems, were analysed. The mean SOC stocks in the four agroecosystems varied and ranged from 25.66 (sub-humid agroecosystem) to 113.17 (humid mid-highland agroecosystems) Mg C ha-1

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27

Lebay, Muluken, Wudu Abiye, Tilahun Taye, and Seid Belay. "Evaluation of Soil Drainage Methods for the Productivity of Waterlogged Vertisols in Jama District, Eastern Amhara Region, Ethiopia." International Journal of Agronomy 2021 (June 24, 2021): 1–10. http://dx.doi.org/10.1155/2021/5534866.

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Vertisols are important agricultural soils in the Ethiopian highlands. The highland part of the Jama district is one of which Vertisols have huge coverage and are underutilized due to waterlogging. Such potential Vertisol areas need to be put under wise cultivation. Thus, a study was conducted to investigate the effects of soil drainage methods on surface runoff, soil loss, and yield of wheat crop as indicators of productivity improvement of typical Vertisol in the Jama district of Amhara Region, Ethiopia, during the rainy season of 2017/18. The treatment comprised three soil drainage methods

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28

Heinonen, Kalevi, Tsegaye Shiferaw, and Mari Heinonen. "Oestrous synchronisation in ethiopian highland zebu cattle by means of intravaginal cloprostenole administration." Tropical Animal Health and Production 28, no. 1 (1996): 121–25. http://dx.doi.org/10.1007/bf02250736.

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29

Wassie, Alemayehu, Frank J. Sterck, and Frans Bongers. "Species and structural diversity of church forests in a fragmented Ethiopian Highland landscape." Journal of Vegetation Science 21, no. 5 (2010): 938–48. http://dx.doi.org/10.1111/j.1654-1103.2010.01202.x.

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30

Friedericks, J. B., C. Hagedorn, and R. B. Reneau. "Evaluation of African annual clovers to moisture stress in two Ethiopian highland soils." Plant and Soil 133, no. 2 (1991): 271–79. http://dx.doi.org/10.1007/bf00009199.

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31

Beyene, T., A. M. Botha, and A. A. Myburg. "Phenotypic diversity for morphological and agronomic traits in traditional Ethiopian highland maize accessions." South African Journal of Plant and Soil 22, no. 2 (2005): 100–105. http://dx.doi.org/10.1080/02571862.2005.10634689.

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32

Woldemeskel, Moges, and M. Tibbo. "Pulmonary adenomatosis and maedi-visna in Ethiopian central highland sheep: a microscopic study." Tropical Animal Health and Production 42, no. 5 (2009): 995–99. http://dx.doi.org/10.1007/s11250-009-9520-7.

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33

Kassa, Alemayehu, Heino Konrad, and Thomas Geburek. "Landscape genetic structure of Olea europaea subsp. cuspidata in Ethiopian highland forest fragments." Conservation Genetics 18, no. 6 (2017): 1463–74. http://dx.doi.org/10.1007/s10592-017-0993-z.

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34

Regassa, F., D. Mengesha, M. Dargie, and T. Tolosa. "Abattoir evidence on association between uterine and ovarian abnormalities in Ethiopian highland ewes." Animal Reproduction Science 111, no. 2-4 (2009): 384–90. http://dx.doi.org/10.1016/j.anireprosci.2008.03.020.

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35

Hailu, Abebe, Amine Mustefa, Tesfalem Asegede, Abraham Assefa, Seble Sinkie, and Semere Tsewene. "Phenotypic characterization of sheep populations in Tahtay Maichew district, Northern Ethiopia." Genetic Resources 1, no. 2 (2020): 12–22. http://dx.doi.org/10.46265/genresj.shbd3744.

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Eighteen quantitative measurements and fourteen qualitative characteristics taken from 306 adult sheep (57 rams and 249 ewes) were used to characterize sheep populations of district, Ethiopia. Most traits showed significant variation by zone, sex and age groups with higher values generally recorded for rams as compared to ewes. Middle age group animals displayed highest values for several traits, reflecting the optimal production age. zone affected ewes more than rams. The highland sheep height at withers, widest shoulder points and longest hair, indicative of adaptation to their environment.

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36

Embaye, Esayas, Mulugeta Wakjira, and Seid Tiku. "Diversity and Abundance of Crustacean Zooplankton Community in Gilgel Gibe Reservoir, Southwestern Ethiopian Highland." Journal of Applied Life Sciences International 11, no. 2 (2017): 1–12. http://dx.doi.org/10.9734/jalsi/2017/32916.

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37

Astatke, Abiye, Mohammad Jabbar, and Douglas Tanner. "Participatory conservation tillage research: an experience with minimum tillage on an Ethiopian highland Vertisol." Agriculture, Ecosystems & Environment 95, no. 2-3 (2003): 401–15. http://dx.doi.org/10.1016/s0167-8809(02)00225-6.

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38

Samberg, Leah H., Carol Shennan, and Erika S. Zavaleta. "Human and Environmental Factors Affect Patterns of Crop Diversity in an Ethiopian Highland Agroecosystem." Professional Geographer 62, no. 3 (2010): 395–408. http://dx.doi.org/10.1080/00330124.2010.483641.

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39

Dubale, Paulos. "Soil and Water Resources and Degradation Factors Affecting Productivity in Ethiopian Highland Agro-Ecosystems." Northeast African Studies 8, no. 1 (2001): 27–51. http://dx.doi.org/10.1353/nas.2005.0015.

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40

Zegeye, Assefa D., Eddy J. Langendoen, Seifu A. Tilahun, Wolde Mekuria, Jean Poesen, and Tammo S. Steenhuis. "Root reinforcement to soils provided by common Ethiopian highland plants for gully erosion control." Ecohydrology 11, no. 6 (2018): e1940. http://dx.doi.org/10.1002/eco.1940.

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41

Bekele, T., E. B. Otesile, and O. B. Kasali. "Influence of passively acquired colostral immunity on neonatal lamb mortality in Ethiopian highland sheep." Small Ruminant Research 9, no. 3 (1992): 209–15. http://dx.doi.org/10.1016/0921-4488(92)90151-s.

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42

Demeke, S., C. J. Thwaites, and S. Lemma. "Effects of ewe genotype and supplementary feeding on lambing performance of Ethiopian highland sheep." Small Ruminant Research 15, no. 2 (1995): 149–53. http://dx.doi.org/10.1016/0921-4488(94)00008-u.

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43

Melaku, Nigus Demelash, Wondimu Bayu, Feras Ziadat, et al. "Effect of nitrogen fertilizer rate and timing on sorghum productivity in Ethiopian highland Vertisols." Archives of Agronomy and Soil Science 64, no. 4 (2017): 480–91. http://dx.doi.org/10.1080/03650340.2017.1362558.

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44

ASTATKE, ABIYE, TEKALIGN MAMO, DON PEDEN, and MAMADOU DIEDHIOU. "PARTICIPATORY ON-FARM CONSERVATION TILLAGE TRIAL IN THE ETHIOPIAN HIGHLAND VERTISOLS: THE IMPACT OF POTASSIUM APPLICATION ON CROP YIELDS." Experimental Agriculture 40, no. 3 (2004): 369–79. http://dx.doi.org/10.1017/s0014479704002029.

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The two years on-farm tillage research during the 1999 and 2000 cropping seasons in Ethiopian highland Vertisol area demonstrated the importance of adapting cultural practices into participatory trials. The minimum tillage package could be an effective intervention for soil conservation due to the early-vegetative cover of the soil. Based on farmers' application of ash on Vertisols at Chefe Donsa, the incorporation of 50 kg ha−1 of potassium sulphate (K2SO4) in the on-farm trial significantly increased grain and straw yields of wheat. The nitrogen levels in the grain and straw of wheat on plot

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45

Tefera, Tewodros, Eyasu Elias, and Christy van Beek. "Determinants of smallholder farmers’ decisions on fertilizer use for cereal crops in the Ethiopian highlands." Experimental Agriculture 56, no. 5 (2020): 677–87. http://dx.doi.org/10.1017/s001447972000023x.

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AbstractThis study identified decision variables influencing fertilizer adoption and optimal fertilizer rates among smallholder farmers in the Ethiopian highlands. The fertilizer adoption and fertilizer use were examined in four regional states using a questionnaire survey, which was administered to 2880 farm households. A double hurdle model was used to analyze factors influencing the two independent decisions of adoption of fertilizers and use of fertilizers. The model estimates of the first hurdle revealed that the probability of fertilizer adoption increased by 1.2% as household education

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46

Quinlan, Marsha B., Robert J. Quinlan, and Samuel Dira. "Sidama Agro-Pastoralism and Ethnobiological Classification of its Primary Plant, Enset (Ensete ventricosum)." Ethnobiology Letters 5 (October 2, 2014): 116–25. http://dx.doi.org/10.14237/ebl.5.2014.222.

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Enset is an essential plant for the Ethiopian Sidama system of agropastoralism. Sidama agropastoralism and the folk taxonomy of enset is presented here in ethnographic context. One of several societies of Ethiopia’s enset complex, the highland Sidama are among the most wholly reliant on enset and maintain more enset varieties in their gardens than other groups. Sidama agro-pastoral systems revolve around human-enset-cattle interaction: Sidama eat low-protein parts of enset; cattle eat high-protein parts of enset; Sidama get protein from dairy; Sidama fertilize enset with cattle manure. In the

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47

Beyene, Yoseph, Anna-Maria Botha, and Alexander A. Myburg. "Genetic diversity in traditional Ethiopian highland maize accessions assessed by AFLP markers and morphological traits." Biodiversity and Conservation 15, no. 8 (2005): 2655–71. http://dx.doi.org/10.1007/s10531-005-5407-8.

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48

Beyene, Yoseph, Anna-Maria Botha, and Alexander A. Myburg. "Genetic Diversity Among Traditional Ethiopian Highland Maize Accessions Assessed by Simple Sequence Repeat (SSR) Markers." Genetic Resources and Crop Evolution 53, no. 8 (2006): 1579–88. http://dx.doi.org/10.1007/s10722-005-8509-y.

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49

Bekele, Tekelye, Tadesse Woldeab, A. Lahlou-Kassi, and J. Sherington. "Factors affecting morbidity and mortality on-farm and on-station in the Ethiopian highland sheep." Acta Tropica 52, no. 2-3 (1992): 99–109. http://dx.doi.org/10.1016/0001-706x(92)90025-s.

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50

Tadesse, Zenebe. "Diet composition impacts the fatty acid contents of Nile tilapia,Oreochromis niloticusL., in Ethiopian highland lakes." SIL Proceedings, 1922-2010 30, no. 9 (2010): 1363–68. http://dx.doi.org/10.1080/03680770.2009.11902333.

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