نتایج جستجو برای: central highlands

تعداد نتایج: 473859  

Journal: :international journal of agricultural science, research and technology in extension and education systems 0
reta hailu lecturer school of environment, gender and development studies, hawassa university, ethiopia ali hassen assistant professor, college of development studies, addis ababa university, ethiopia

this article examines the livelihood strategies of land scarce peasants in ethiopian. land scarce peasants have a limited livelihood security on a sustainable manner and bypassed by major development programmes. the study was centred on two sets of rationales. first, for those peasants who do not have sufficient farmland, agriculture provides only a limited portion of households’ livelihood sec...

Journal: :Molecular ecology 2005
Thomas J Near Benjamin P Keck

The species diversity of North American freshwater fishes is unparalleled among temperate regions of the planet. This diversity is concentrated in the Central Highlands of eastern North America and this distribution pattern has inspired different models involving either dispersal or vicariance to explain the high species diversity of North American fishes. The most popular of these models is th...

2007
María Belén Noroña

The present paper is aimed at understanding how indigenous people in the highlands of Ecuador adapt to capitalist economic alternatives in order to complement their agrarian economies. Specifically this study examines the experience of the indigenous community Ponce-Quilotoa located next to the Volcanic Lake Quilotoa in the central highlands of Ecuador. This community is currently undertaking t...

Journal: :Emerging Infectious Diseases 2008
Cesar M. Gavidia Armando E. Gonzalez Wenbao Zhang Donald P. McManus Luis Lopera Berenice Ninaquispe Hector H. Garcia Silvia Rodríguez Manuela Verastegui Carmen Calderon William K.Y. Pan Robert H. Gilman

We evaluated prevalence of cystic echinococcosis (CE) in a central Peruvian Highland district by using 4 diagnostic methods: ultrasonography for 949 persons, radiography for 829, and 2 serologic tests for 929 (2 immunoblot formats using bovine hydatid cyst fluid [IBCF] and recombinant EpC1 glutathione S-transferase [rEpC1-GST] antigens). For the IBCF and rEpC1-GST testing, prevalence of liver a...

2014
Tran Thi Giang Guohua Wang Danping Yan

This paper focuses on examining the key factors that affect poor households in the Central Highlands by using the Ordinary Least Square (OLS) methods to analyze the Vietnam Living Standard Survey (VLSS) in 2008 panel dataset. In the 597 surveyed households in the Central Highlands, we selected 95 poor households to make research group. The empirical findings indicate that income per capita of p...

Ali Hassen Reta Hailu

This article examines the livelihood strategies of land scarce peasants in Ethiopian. Land scarce peasants have a limited livelihood security on a sustainable manner and bypassed by major development programmes. The study was centred on two sets of rationales. First, for those peasants who do not have sufficient farmland, agriculture provides only a limited portion of households’ livelihood...

Journal: :Molecular phylogenetics and evolution 2006
Rauri C K Bowie Jon Fjeldså Shannon J Hackett John M Bates Timothy M Crowe

Although many studies have documented the effect of glaciation on the evolutionary history of Northern Hemisphere flora and fauna, this study is the first to investigate how the indirect aridification of Africa caused by global cooling in response to glacial cycles at higher latitudes has influenced the evolutionary history of an African montane bird. Mitochondrial DNA sequences from the NADH 3...

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