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Selection: with tag africa [13 articles] 

 

Malaria prevalence metrics in low- and middle-income countries: an assessment of precision in nationally-representative surveys

  
Malaria Journal, Vol. 16 (21 November 2017), 475, https://doi.org/10.1186/s12936-017-2127-y

Abstract

[Background] One pillar to monitoring progress towards the Sustainable Development Goals is the investment in high quality data to strengthen the scientific basis for decision-making. At present, nationally-representative surveys are the main source of data for establishing a scientific evidence base, monitoring, and evaluation of health metrics. However, little is known about the optimal precisions of various population-level health and development indicators that remains unquantified in nationally-representative household surveys. Here, a retrospective analysis of the precision of prevalence from these surveys was ...

 

New crop pest takes Africa at lightning speed

  
Science, Vol. 356, No. 6337. (04 May 2017), pp. 473-474, https://doi.org/10.1126/science.356.6337.473

Abstract

The fall armyworm (Spodoptera frugiperda) is marching across Africa and destroying maize fields with an astonishing speed, after arriving from the Western Hemisphere at least 16 months ago. The damage to maize could total $3 billion in the next 12 months. Eventually, damage could be limited with a range of pest-management techniques, including plant extracts such as neem oil or biopesticides based on viruses that infect armyworms. Parasitoid wasps could serve as biological control. Planting insect-repellant legumes alongside the maize seems ...

 

Predictors of elevational biodiversity gradients change from single taxa to the multi-taxa community level

  
Nature Communications, Vol. 7 (22 December 2016), 13736, https://doi.org/10.1038/ncomms13736

Abstract

The factors determining gradients of biodiversity are a fundamental yet unresolved topic in ecology. While diversity gradients have been analysed for numerous single taxa, progress towards general explanatory models has been hampered by limitations in the phylogenetic coverage of past studies. By parallel sampling of 25 major plant and animal taxa along a 3.7 km elevational gradient on Mt. Kilimanjaro, we quantify cross-taxon consensus in diversity gradients and evaluate predictors of diversity from single taxa to a multi-taxa community level. While single ...

 

Green and blue water demand from large-scale land acquisitions in Africa

  
Proceedings of the National Academy of Sciences, Vol. 113, No. 41. (11 October 2016), pp. 11471-11476, https://doi.org/10.1073/pnas.1524741113

Abstract

[Significance] Freshwater appropriation can have vast impacts, depending on management and scale of water use. Since 2000, foreign investors have contracted an area the size of the United Kingdom in Africa, leading to increased pressure on water resources. Here we couple site-specific water demand for the crops planted there to the efficiency of different irrigation systems, while relating these estimates to local water availability. This approach enables us to identify “hotspot” areas of freshwater use where crops demand more water from irrigation ...

 

The impact of charcoal production on forest degradation: a case study in Tete, Mozambique

  
Environmental Research Letters, Vol. 11, No. 9. (01 September 2016), 094020, https://doi.org/10.1088/1748-9326/11/9/094020

Abstract

Charcoal production for urban energy consumption is a main driver of forest degradation in sub Saharan Africa. Urban growth projections for the continent suggest that the relevance of this process will increase in the coming decades. Forest degradation associated to charcoal production is difficult to monitor and commonly overlooked and underrepresented in forest cover change and carbon emission estimates. We use a multitemporal dataset of very high-resolution remote sensing images to map kiln locations in a representative study area of tropical ...

 

Reduced vaccination and the risk of measles and other childhood infections post-Ebola

  
Science, Vol. 347, No. 6227. (12 March 2015), pp. 1240-1242, https://doi.org/10.1126/science.aaa3438

Abstract

[Editor summary: Vaccinate children despite Ebola] During the medical emergency caused by the Ebola virus outbreak in West Africa, routine childhood vaccination programs have been suspended. If vaccination is not resumed soon, there could be even more deaths. Measles is highly infectious, and outbreaks are a sign of health care systems in trouble. Using mathematical modelling, Takahashi et al. estimate that about a million children across Liberia, Sierra Leone, and Guinea are vulnerable to measles. Aggressive public health programs are vital for ...

 

Dust and biological aerosols from the Sahara and Asia influence precipitation in the Western U.S.

  
Science, Vol. 339, No. 6127. (2013), pp. 1572-1578, https://doi.org/10.1126/science.1227279

Abstract

Snowfall in the Sierra Nevada provides a large fraction of the water that California receives as precipitation. Knowing what factors influence the amount of snow that falls is thus critical for projecting how water availability may change in the future. Aerosols have an important effect on cloud processes and precipitation. Creamean et al. (p. 1572, published online 28 February) found that dust and biological aerosols originating from as far away as the Sahara facilitate ice nuclei formation and ice-induced precipitation in ...

 

Future risks of pest species under changing climatic conditions

  
PLoS ONE, Vol. 11, No. 4. (7 April 2016), e0153237, https://doi.org/10.1371/journal.pone.0153237

Abstract

Most agricultural pests are poikilothermic species expected to respond to climate change. Currently, they are a tremendous burden because of the high losses they inflict on crops and livestock. Smallholder farmers in developing countries of Africa are likely to suffer more under these changes than farmers in the developed world because more severe climatic changes are projected in these areas. African countries further have a lower ability to cope with impacts of climate change through the lack of suitable adapted management ...

 

Waterborne infectious diseases - could they be consigned to history?

  
Science, Vol. 313, No. 5790. (2006), pp. 1077-1081, https://doi.org/10.1126/science.1127184

Abstract

The development of water resources, particularly in Africa, has changed the face of the continent, opening up land for agriculture, providing electric power, encouraging settlements adjacent to water bodies, and bringing prosperity to poor people. Unfortunately, the created or altered water bodies provide ideal conditions for the transmission of waterborne diseases and a favorable habitat for intermediate hosts of tropical parasitic infections that cause disease and suffering. The recent progress in control of these waterborne and vector-borne diseases, such as guinea ...

 

Fragmentation of forest landscapes in Central Africa: causes, consequences and management

  
In Patterns and Processes in Forest Landscapes (2008), pp. 67-87, https://doi.org/10.1007/978-1-4020-8504-8_5

Abstract

Forest fragmentation has a paramount impact on landscape pattern and has therefore been a key focus of landscape ecology. Trends and causes of deforestation are analysed for the Democratic Republic of the Congo, Rwanda and Burundi, and are put in a regional, continental and global perspective. In order to investigate the role of shifting cultivation as a driver of fragmentation, the dynamics of a forest landscape between 1970 and 2005 for a study area in the Bas-Congo province of the Democratic ...

 

(INRMM-MiD internal record) List of keywords of the INRMM meta-information database - part 1

  
(February 2014)
Keywords: 10th-percentile-training-presence   80-20-principle   abies-alba   abies-balsamea   abies-borisii-regis   abies-bornmulleriana   abies-cephalonica   abies-cilicica   abies-concolor   abies-equi-trojani   abies-firma   abies-grandis   abies-holophylla   abies-lasiocarpa   abies-magnifica   abies-marocana   abies-nebrodensis   abies-nephrolepis   abies-nordmanniana   abies-numidica   abies-pinsapo   abies-procera   abies-sachalinensis   abies-sibirica   abies-spp   abiotic-factors   above-ground-biomass   abrupt-changes   acacia-auriculiformis   acacia-dealbata   acacia-erioloba   acacia-farnesiana   acacia-koa   acacia-saligna   acacia-seyal   acacia-spp   acacia-tortilis   acacia-xanthophloea   acalitus-rudis   accessibility   accuracy   accuracy-vs-precision   acer-campestre   acer-circinatum   acer-heldreichii   acer-lobelii   acer-macrophyllum   acer-mono   acer-monspessulanum   acer-negundo   acer-opalus   acer-peronai   acer-platanoides   acer-pseudoplatanous   acer-pseudoplatanus   acer-pseudosieboldianum   acer-rubrum   acer-saccharum   acer-sempervirens   acer-spp   acer-tataricum   aceraceous   aceria-parapopuli   acid-deposition   acm   acorns   acrocomia-aculeata   acute-oak-decline   adansonia-digitata   adaptation   adaptive-control   adaptive-response   adda-lake   adenium-obesum   adonidia-merrillii   adventitious-root   aerosol   aesculus-californica   aesculus-hippocastanum   aesculus-spp   aesthetic-value   afforestation   africa   agave-spp   age   age-distribution   aggregated-indices   agile-programming   agricultural-abandonment   agricultural-land   agricultural-policy   agricultural-resources   agriculture   agrilus-anxius   agrilus-biguttatus   agrilus-pannonicus   agrilus-planipennis   agrilus-spp   agrochemistry   inrmm-list-of-tags  

Abstract

List of indexed keywords within the transdisciplinary set of domains which relate to the Integrated Natural Resources Modelling and Management (INRMM). In particular, the list of keywords maps the semantic tags in the INRMM Meta-information Database (INRMM-MiD). [\n] The INRMM-MiD records providing this list are accessible by the special tag: inrmm-list-of-tags ( http://mfkp.org/INRMM/tag/inrmm-list-of-tags ). ...

 

Soil erosion prediction using RUSLE for central Kenyan highland conditions

  
Agriculture, Ecosystems & Environment, Vol. 97, No. 1-3. (July 2003), pp. 295-308, https://doi.org/10.1016/s0167-8809(03)00011-2
Keywords: africa   kenya   rusle   soil-erosion   soil-resources  

Abstract

Soil erosion by water is serious global problem. In Africa, about 5 Mg ha−1 of productive topsoil is lost to lakes and oceans each year. This study was conducted at the Kianjuki catchment in central Kenya to predict annual soil loss using the Revised Universal Soil Loss Equation (RUSLE Version 1.06) to determine the erosion hazard in the area and target locations for appropriate initiation of conservation measures. All factors used in RUSLE were calculated for the catchment using local data. The rainfall ...

 

Optimal Flow Allocation in the Zambezi River System

  
Water Resources Management In Water Resources Management, Vol. 11, No. 5. (1997), pp. 377-393, https://doi.org/10.1023/a%3a1007964732399

Abstract

The optimal flow allocation in the Zambezi system, the largest multi-reservoir water resources system in southern Africa, is analysed. The problem is formulated in network terms and solved with a network flow algorithm. The present configuration of the system is taken as the reference to evaluate the benefits of the proposed modifications to the existing hydropower schemes. The introduction of additional operational constraints is also considered in order to analyse the costs of environmental protection of paludal ecosystems and to account ...

This page of the database may be cited as:
Integrated Natural Resources Modelling and Management - Meta-information Database. http://mfkp.org/INRMM/tag/africa

Publication metadata

Bibtex, RIS, RSS/XML feed, Json, Dublin Core

Meta-information Database (INRMM-MiD).
This database integrates a dedicated meta-information database in CiteULike (the CiteULike INRMM Group) with the meta-information available in Google Scholar, CrossRef and DataCite. The Altmetric database with Article-Level Metrics is also harvested. Part of the provided semantic content (machine-readable) is made even human-readable thanks to the DCMI Dublin Core viewer. Digital preservation of the meta-information indexed within the INRMM-MiD publication records is implemented thanks to the Internet Archive.
The library of INRMM related pubblications may be quickly accessed with the following links.
Search within the whole INRMM meta-information database:
Search only within the INRMM-MiD publication records:
Full-text and abstracts of the publications indexed by the INRMM meta-information database are copyrighted by the respective publishers/authors. They are subject to all applicable copyright protection. The conditions of use of each indexed publication is defined by its copyright owner. Please, be aware that the indexed meta-information entirely relies on voluntary work and constitutes a quite incomplete and not homogeneous work-in-progress.
INRMM-MiD was experimentally established by the Maieutike Research Initiative in 2008 and then improved with the help of several volunteers (with a major technical upgrade in 2011). This new integrated interface is operational since 2014.