Resultados de búsqueda - "Rangeland"
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Genetic diversity of maize landraces from lowland and highland agro‐ecosystems of Southern South America: implications for the conservation of native resources
Publicado 2019“…On the one hand, significant structural and functional changes have modified the rural environment with the boundaries of cropland areas experiencing a rapid expansion at the expense of northern natural forests and rangelands; and on the other, native gene pools are increasingly threatened by hybrids and commercial varieties which are more attractive relative to landraces. …”
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Artículo -
Changes in soil organic carbon in native forests of Argentina related to land use change and environmental factors
Publicado 2024“…The replacement of native forests by rainfed annual crops resulted in the largest decrease in SOC (−28 Mg C ha−1), which was twice as large as the decrease observed in rangelands (−14 Mg C ha−1). On the contrary, neither irrigated croplands nor tree plantations of fast-growing species caused a decrease in SOC stocks (p > .10). …”
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Why is the grass greener on the other side?
Publicado 2008“…The main finding was that summer pasture use has declined since democratization in 1991, and that the main reason is that it is not feasible to use the rangelands far away from the village with the few heads of animals that farmers hold after the reform. …”
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Otro -
Activity patterns of large carnivores in a fenced conservation area in Laikipia District, Kenya
Publicado 2016“…Large carnivores are sensitive to land-use changes and in African rangelands they have suffered seriously from an increased demand for land for agriculture and husbandry during the last decades. …”
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Second cycle, A2E -
Status of livestock research and Development in the highlands of Ethiopia
Publicado 2001“…In general, three production systems can be recognised; extensive pastoralism in arid and semiarid rangelands, integration of animals with cropping in rain-fed and irrigated areas and systems associated with perennial tree crops. …”
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Conference Paper -
Feed resources vis-à-vis livestock and fish productivity in a changing climate
Publicado 2015“…The main pathways in which climate change can affect the availability of feed resources for livestock - land-use and -systems changes, changes in the primary productivity of crops, forages and rangelands, changes in species composition and changes in the quality of plant material - will be discussed in the chapter. …”
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Brucellosis in livestock in and near the Maasai Mara national reserve in Kenya
Publicado 2017“…Approximately, 68% of Narok County is rangelands with conservancies such as Lemek, Mara North, Koiyaki, Mara-Naboisho, Ol Kinyei, Olare Orok, Motorogi and Olarro which offer prime grazing for ranching and livestock production. …”
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Second cycle, A2E -
Carbon Storage in Cold Temperate Ecosystems in Southern Patagonia, Argentina.
Publicado 2022“…Erosion and degradation processes have occurred in several areas of Patagonia due to an overestimation of the carrying capacity of these rangelands, inadequate distribution of animals in very large and heterogeneous paddocks, and year-long continuous grazing (Golluscio et al., 1998). …”
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