Resultados de búsqueda - "nature"

Uncovering spatial patterns in the natural and human history of Brazil nut (Bertholletia excelsa) across the Amazon Basin por Thomas, E., Alcázar Caicedo, Carolina, McMichael, C.H., Corvera, R., Loo, J.

“…In south‐western Amazonia, the regeneration of Brazil nut seems to have been controlled predominantly by natural processes, whereas in central and eastern Amazonia, anthropogenic disturbance has been more important since pre‐Columbian times. …”
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Secado natural de yuca para la alimentacion animal: Una nueva agroindustria en Colombia por Ospina, B., Gómez G., Guillermo G., Best, R.

“…It began with the installation of a pilot plant for natural drying of cassava, with the collaboration of a group of 15 farmers. …”
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A situational analysis of agricultural production and marketing, and natural resource management systems in the central region of Uganda por Ekesa, B., Rao, E.J.O., Cadilhon, Joseph J., Ayebare, Prudence, Bashaasha, B., Muyanja, C., Tenywa, M.M., Tumusiime, Dan, Twinamasiko, J., Jagwe, J., Mango, Nelson, Muchunguzi, P.

Materias: “…natural resources management…”
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Learning from the positive to reduce rural poverty: institutional innovations in agricultural and natural resources research and development por Biggs, Stephen D.

“…Three agricultural and natural resources case studies of positive experiences are described. …”
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Natural resource management: Africa RISING science, innovations and technologies with scaling potential from the Ethiopian highlands por Amede, Tilahun, Asrat, T., Legesse, G., Mekonnen, Kindu, Asfaw, A., Ibrahim, M., Alene, Temesgen, Dubale, Workneh, Kihara, Job Maguta, Tamene, Lulseged D.

Materias: “…natural resources management…”
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Determination of gene flow events in natural "wild-weedy-cultivated" complexes in genepools of Phaseolus lunatus L por González Torres, Rosa Inés, Suárez Baron, Harold, Martínez Garay, Carlos, Duque E., Myriam Cristina, Debouck, Daniel G., Tohme, Joseph M.

Materias: “…natural selection…”
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Lista de Museos de Historia Natural y Herbarios consultados, y fechas de visita por Debouck, Daniel G.

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Field performance of improved cowpea varieties under conditions of natural infestation by the parasitic weed Striga gesnerioides por Kamara, A.Y., Chikoye, David, Ekeleme, F., Omoigui, L.O., Dugje, I.Y.

“…Field trials over 2 years in two localities in northeast Nigeria evaluated the performance of diverse cowpea varieties under conditions of natural infestation by Striga. Grain yield was higher in Tilla than in Damboa where the higher Striga infestation may be caused by the lower rainfall and the sandy nature of the soils. …”
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Arthropod diversity in Lama forest reserve (South Benin), a mosaic of natural, degraded and plantation forests por Lachat, T., Attignon, S., Djego, J., Goergen, Georg E., Nagel, P., Sinsin, B., Peveling, R.

Materias: “…natural forest…”
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Regeneration of earthworm populations in a degraded soil by natural and planted fallows under humid tropical conditions por Tian, G., Olimah, J., Adeoye, G., Kang, B.

“…Earthworm populations (predominantly Hyperiodrilus africanus and Eudrilus eugeniae) were sampled monthly for 1 yr during 1994 and 1995 in natural regrowth vegetation fallow (dominated by the natural fallow shrub Chromolaena odorata L.), planted fallow (the woody species Senna siamea Lam., Leucaena leucocephala Lam., and Acacia leptocarpa), and intercropped maize (Zea mays L.)…”
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Improvement of the physical fertility of a degraded Alfisol with planted and natural fallows under humid tropical conditions por Salako, F., Hauser, S., Babalola, O., Tian, G.

“…The planted leguminous species were Pueraria phaseoloides, Senna siamea, Leucaena leucocephala, Acacia leptocarpa and A. auriculiformis. Also, plots with natural fallow and maize/cassava intercropping were included. …”
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Molecular detection and phylogenetic analyses of Toxoplasma gondii from naturally infected sheep in Northern and Central Tunisia por Rouatbi, M., Amdouni, Y., Amairia, S., Rjeibi, M.R., Sammoudi, S., Rekik, Mourad, Gharbi, M.

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Natural wetlands as energy efficient wastewater treatment systems: a pilot study from Hyderabad, India por Sonkamble, S., Wajihuddin, M., Ahmed, S., Jampani, M., Amerasinghe, Priyanie H.

“…Energy efficient wastewater treatment systems are the current environmental concerns which prompted for the applications of natural wetlands as efficient systems at urban areas. …”
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The logging industry and management of natural forests: Tropical timber and the forests of Central Africa in the face of market trends por Bayol, N., Anquetil, F, Bile, C., Bollen, A, Bousquet, M.A., Castadot, B, Cerutti, P., Kongape, J.A, Leblanc, M, Lescuyer, G., Meunier, Q, Melet, E, Pénelon, A., Robiglio, Valentina, Tsanga, R., Vautrin, C.

Materias: “…natural resources management…”
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Forest Stewardship Council certification of natural forest management in Indonesia: Required improvements, costs, incentives, and barriers por Ruslandi, Klassen, A, Romero, C., Putz, F.E.

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Determinants and constraints of integrating natural acacias into mechanised rain-fed agricultural schemes Sennar State, Sudan por Fahmi, M.K.M., Mohamed, E.S., Kanninen, M., Luukkanen, O., Kalame, F.B., Eltayeb, A.M.

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Investigation of the modalities for an innovative financing mechanism for participatory natural resource management in the Bale Eco-region, Ethiopia por Hagos, Fitsum, Rooijen, Daniel J. van, Haileslassie, Amare, Yehualashet, H., Indries, H.

Materias: “…natural resources management…”
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Perceptions of resilience, collective action and natural resources management in socio-ecological production landscapes in East Africa por Bedmar Villanueva, Ana, Morimoto, Y., Maundu, P., Jha, Y., Otieno, G., Nankya, R., Ogwal, R., Leles, B., Halewood, Michael

Materias: “…natural resources…”
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Hydro-geophysical characterization and performance evaluation of natural wetlands in a semi-arid wastewater irrigated landscape por Sonkamble, S., Sahya, A., Jampani, M., Ahmed, S., Amerasinghe, Priyanie H.

“…Natural wetlands are green infrastructure systems that are energy-efficient for wastewater treatment and can be found in diverse geo-environmental settings around the world. …”
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Residual effects of natural bush, Cajanus cajan, and Tephrosia candida on the productivity of an acid soil in southeastern Nigeria por Gichuru, M.P.

“…The main treatments were N levels (0 and 60 kg ha-1) with subplots of maize/natural bush, maize/Tephrosia candida, maize/Cajanus cajan, maize + cassava/natural bush, maize + cassava/Tephrosia candida, and maize + cassava/Cajanus cajan. …”
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