Resultados de búsqueda - "African continent"

Long-term recovery of the functional community assembly and carbon pools in an African tropical forest succession por Bauters, M., Vercleyen, O., Vanlauwe, Bernard, Six, Johan, Bonyoma, B., Badjoko, H., Hubau, W., Hoyt, A., Boudin, M., Verbeeck, H., Boeckx, P.

“…On the African continent, the population is expected to expand fourfold in the next century, which will increasingly impact the global carbon cycle and biodiversity conservation. …”
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Prevalence and genotyping of Echinococcus granulosus sensu lato from livestock in north-eastern Kenya por Omondi, H.A., Gitau, G., Gathura, P., Mulinge, E., Zeyhle, E., Kimeli, P., Bett, Bernard K.

“…CE occurs in the wider African continent and in Kenya, notably in the Maasailand and Turkana regions; however, recent studies demonstrate its presence in other parts of Kenya. …”
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Neglected and underutilised crops: a systematic review of their potential as food and herbal medicinal crops in South Africa por Mudau, F. N., Chimonyo, Vimbayi Grace Petrova, Modi, Albert Thembinkosi, Mabhaudhi, Tafadzwanashe

“…The African continent harbours many native species with nutraceutical and pharmaceutical potential. …”
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THE 14TH SYMPOSIUM OF THE INTERNATIONAL SOCIETY OF TROPICAL ROOT CROPS – AFRICA BRANCH (ISTRC-AB) por International Institute of Tropical Agriculture

“…At this symposium, they share current research outputs, decide future patterns, and make wide-ranging decisions on the position of tropical root and tuber crops on the African continent and global agenda. The 14th International Symposium of the International Society for Tropical Root Crops -Africa Branch (ISTRC-AB) will be held in Lusaka, Zambia on 20-24 September 2021. …”
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Understanding N2O emissions in African ecosystems: Assessments from a semi-arid Savanna grassland in Senegal and sub-tropical agricultural fields in Kenya por Bigaignon, L, Delon, C, Ndiaye, O, Galy-Lacaux, C, Serça, D, Guérin, F, Tallec, T, Merbold, Lutz, Tagesson, T, Fensholt, R, André, A, Galliau, S

“…This study aims at improving present knowledge and inventories of N2O emissions from the African continent. N2O emissions were larger at the agricultural sites in the Mbita region (range: 0.0 ± 0.0 to 42.1 ± 10.7 ngN m−2 s−1) than at the Dahra site (range: 0.3 ± 0 to 7.4 ± 6.5 ngN m−2 s−1). …”
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The soil microbiomes of forest ecosystems in Kenya: their diversity and environmental drivers por Onyango, L.A., Ngonga, F.A., Karanja, E.N., Kuja, J.O., Boga, H.I., Cowan, D.A., Mwangi, Kennedy Wanjau, Maghenda, M.W., Lebre, P.B.N.M., Kambura, A.K.

“…Most forest soil microbial diversity studies have been performed in the northern hemisphere, and very little has been done in forests within African continent. This study examined the composition, diversity and distribution of prokaryotes in Kenyan forests top soils using amplicon sequencing of V4-V5 hypervariable region of the 16S rRNA gene. …”
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Dorper sheep in Africa: A review of their use and performance in different environments por Ojango, Julie M.K., Okpeku, M., Osei-Amponsah, R., Kugonza, D.R., Okeyo Mwai, Ally, Chagunda, Mizeck G.G., Olori, V.E.

“…The Dorper breed developed in South Africa is used either as a pure breed or crossbred with existing indigenous breeds by many countries across the African continent to improve sheep production. This article presents documented information on the adoption, use, and performance of Dorper sheep across the continent of Africa and opportunities for their more sustainable production under the changing climatic conditions in Africa. …”
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Citizen science mitigates the lack of distributional data on Nigerian birds por Tende, T., Iniunam, I., Ivande, S.T., Awoyemi, A.G., Danmallam, B.A., Ringim, A.S., Bako, L.A., Ramzy, F.J., Kazeh, N.W., Izang, A.I., Kumdet, P.S., Ibrahim, J.I., Haruna, M.A., Eyos, K., Iki, E.D., Chaskda, A.A., Ottosson, U.

“…Citizen science projects are expanding globally, with the African continent, particularly Nigeria, registering significant growth. …”
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Youth in extension and advisory services: Rwanda por Franzel, S., Kinyua, H., Rucibigango, M., Davis, Kristin E., Makh, S.

“…By 2050, the global population of youth is projected to rise to 1.8 billion, with 35 percent of that estimated to live on the African continent. This presents a challenge to many developing countries given the need to create economic opportunities for this growing segment of the population. …”
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Natural resource curse in Africa: Dutch Disease and institutional explanations por Mulwa, Richard, Mariara, Jane

“…The African continent is endowed with rich natural resources, including minerals and fossil fuels. …”
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Chapter 7. The way forward: recommendations for further actions por Houmy, Karim, Mpagalile, Joseph, Flores Rojas, Mayling, Odjo, Sylvanus

“…This involves not only acknowledging the multifaceted nature of post-harvest losses but also actively seeking innovative solutions that address the root causes whilst promoting sustainable food security for the African continent. This publication has shown that despite the ongoing efforts to reduce PHL, it remains a significant challenge for many smallholder farmers in Africa. …”
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African goat genetic resources, diversity and unique features por Okpeku, M., Bemji, M.N., Houaga, I., Fantazi, K., Banda, L.J., Gondwe, T., Chenyambuga, S., Elnahta, S.A., Mthiyane, D.M.N., Belay, S., Dessie, Tadelle, Adewumi, T.S., Hanotte, Olivier H.

“…This chapter introduces indigenous African goats, exploring their origins of domestication, dispersal and distribution across the African continent. The first two sections provide a general overview (Sects. 5.1 and 5.2). …”
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Harnessing multi-country cooperations, initiatives, facilities, and technologies for advancing livestock genetic improvement in Africa por Mapholi, N.O., Banga, C., Mrode, Raphael A., Opoola, O., Houaga, I., Nesengani, L.T., Ibeagha-Awemu, E.M.

“…Despite the need to establish multi-country genetic evaluation schemes for livestock production suitable for the African continent, few initiatives have been put in place to achieve this. …”
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Climate variability and change: Farmer perceptions and understanding of intra-seasonal variability in rainfall and associated risk in semi-arid Kenya por Rao, K.P.C., Ndegwa WG, Kizito, K., Oyoo A

“…In relation to long-term changes in the climate, farmer observations in our study that rainfall patterns are changing corroborated well with reported perceptions from other places across the African continent but were not supported by the observed trends in rainfall data from the five study locations. …”
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Emerging vector borne diseases as public health threats and diseases of trade. The case of Rift Valley fever: a threat to livestock trade and food security in the Horn of Africa por Tibbo, Markos, Workalemahu, A., Bonnet, P.

“…The epidemics that occurred in Egypt in 1977-78 and current human and animal cases in Yemen and Saudi Arabia (first case out of Africa) indicated the potential for spread to other inter-tropical regions of the world outside the African continent. An embargo on livestock export by Gulf countries has brought in food insecurity in the East African countries due to indirect socio-economic mechanisms and impact of ban on pastoralists household economy. …”
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Rift Valley fever - an emerging threat to livestock trade and food security in the Horn of Africa: A review por Bonnet, P., Tibbo, Markos, Workalemahu, A., Gau, M.

“…The epidemics that occurred in Egypt in 1977-78 and recent human and livestock cases in Yemen and Saudi Arabia (in September 1000) indicated the potential for the disease to spread to other inter-tropical regions of the world outside African continent. An embargo on livestock export by Gulf countries has brought in food insecurity in the East African countries due to indirect socio-economic mechanisms and impact of the ban on pastoralists household economy. …”
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Rift Valley fever - an emerging threat to livestock trade and food security in the Horn of Africa: A review. Poster presentation por Tibbo, Markos, Workalemahu, A., Bonnet, P., Domenech, J.

“…The epidemics that occurred in Egypt in 1993 and current human and animal cases in Yemen and Saudi Arabia indicate that the potential exists for spread to other regions of the world outside the African continent. In recent years, livestock ban by Gulf countries for fear of the introduction of the disease has become a great problem of food security for livestock exporting countries in the Horn of Africa. …”
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Reducing uncertainty in nitrogen budgets for African livestock systems por Rufino, Mariana C., Brandt, P., Herrero, Mario, Butterbach-Bahl, Klaus

“…Livestock is poorly represented in N budgets for the African continent although some studies have examined livestock-related N flows at different levels. …”
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Trypanosomosis, the disease and its control por Prowse, Elin

“…Trypanosomosis, a disease caused by protozoan parasites of the genus, Trypanosoma and transmitted cyclically by the tsetse fly (Glossina spp) is arguably still the one of the main constraints to livestock production on the African continent, preventing full use of the land to feed the rapidly increasing human population. …”
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Comparative analysis of variation in African Bambara groundnut [Vigna subterranea (L) Verdc.] landraces assessed through seed traits por Uba, C.U., Oselebe, H.O., Tesfaye, A.A., Agbo, C.U., Abtew, W.G.

“…Verdc.] originated from the African continent and plays social-economic roles in regions where it is consumed. …”
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