نتایج جستجو برای: central highlands
تعداد نتایج: 473859 فیلتر نتایج به سال:
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...
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...
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...
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...
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...
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...
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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