Results 51 to 60 of about 205,242 (252)

Typology and varietal biodiversity of date palm farms in the North-East of Algerian Sahara

open access: yesJournal of Taibah University for Science, 2019
In Algerian desert, oases are characterized by the presence of date palm (Phoenix dactylifera L.) as a dominant species. This plant gives fruit but also creates a favourable microclimate for other crops.
Mohammed Faci
doaj   +1 more source

Digitisation of herbarium specimens to the benefit of research: An African perspective focusing on South Africa and Western Indian Ocean Island states

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Botanical exploration, discovery and conservation rely heavily on access to herbarium collections. Recently, digital access to label information, including georeferenced locality data, and images of herbarium specimens available online have greatly increased usage of herbarium specimen data.
Ronell R. Klopper   +9 more
wiley   +1 more source

The archaeology of rock art in Northern Africa [PDF]

open access: yes, 2017
The first reports on the rock art of north Africa were written in the mid-nineteenth century. Since then, rock art has become a key area of African archaeological research.
DI LERNIA, Savino
core   +1 more source

A case study of temperature tendency mechanisms operating over northern Africa during and following midlatitude winter troughs

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
An Iberia‐Central Mediterranean trough sequence (7–10 February 2018) delivers anomalous low‐level temperature tendencies attributable to dynamics across most of northern Africa, with warming over northeastern Africa, especially 10–12 February into the eastern Sahel. An ECMWF product attributes the tendencies (see Figure).
Neil Ward   +3 more
wiley   +1 more source

Dampak Kenaikan Tarif Dasar Listrik Terhadap Kinerja Sektor Pertanian di Indonesia dalam Jangka Pendek dan Panjang

open access: yesCaraka Tani: Journal of Sustainable Agriculture, 2018
Increasing on electricity price by Indonesian Government in 2001 by 17.47% and 2002 by 24% not only has negative impact on industry sectors but also on agricultural sectors.
Sahara Sahara
doaj   +1 more source

Nilai-Nilai edukatif dalam Novel Derap-Derap Tasbih Karya Hadi S.Khuli:Tinjauan Sosiologi Sastra [PDF]

open access: yes, 2012
Tujuan penelitian ini untuk (1) mendeskripsikan struktur yang membangun novel Derap-Derap Tasbih karya Hadi S. khuli dan (2) mendeskripsikan nilai-nilai edukatif yang tergambar dalam novel Derap-Derap Tasbih karya Hadi S.
Rita Sahara , Rita Sahara
core  

Meteorological conditions leading to a catastrophic, rain‐induced landslide in Cameroon in October 2019

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
October 2019 was characterized by three main multiday wet spells in Bafoussam and Dschang. Our results indicated that wet spells were influenced by a vortex pair near the Gulf of Guinea, a strong Sahara Heat Low located anomalously far east and north, a northward shift of the intertropical discontinuity, an enhancement of the inland penetration of the ...
Derbetini A. Vondou   +3 more
wiley   +1 more source

Cleft lip: The historical perspective

open access: yesIndian Journal of Plastic Surgery, 2009
The earliest documented history of cleft lip is based on a combination of religion, superstition, invention and charlatanism. While Greeks ignored their existence, Spartans and Romans would kill these children as they were considered to harbour evil ...
S. Bhattacharya, V. Khanna, R. Kohli
doaj   +1 more source

Dynamics and model representation of two contrasting extreme precipitation events in the Sahel

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
Hovmöller diagrams of the two investigated extreme precipitation events in Mali are shown for (i) IMERG observations, and ICOsahedral Nonhydrostatic model (ICON) runs with parameterization of explicit convection (ii) enabled and (iii) disabled. This work highlights that the commonly perceived benefit of using explicit convection in a state‐of‐the‐art ...
Souleymane Sanogo   +4 more
wiley   +1 more source

Spatiotemporal evolution of land surface temperature of Lake Oubeira catchment, northeastern Algeria

open access: yesJournal of Water and Land Development, 2019
The difficulties of access and detailed measurements of land surface temperature (LST) and water surface temperature (WST) especially in wetlands made the use of remote sensing data as one of the sources and techniques to estimate many climate elements ...
Rezzag Bara Chouaib   +3 more
doaj   +1 more source

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