Since 1987, CIRAD has been working with the Nigerian administration (in the form of several successive partnerships*), on development-oriented research projects concerning the development of natural forests and the supply of dendroenergy to towns.
Today, more than 600 000 hectares of developed forest are managed sustainably. Over 300 local rural market structures for dendroenergy and syndicates for dum leaf and gum Arabic have been created. The annual revenue generated locally by the commercial production from these markets alone is estimated at nearly 500 million CFA francs. On a technical level, sylvicultural guidelines for the main types of forest formation have now been defined and pastoral management has become an integral part of new development plans.
The supply of dendroenergy, which is vital for town populations, can be insured if forestry resources are managed sustainably. Moreover, the rural populations manage their woody resources, redistributing revenue to the local populations, villages and authorities. In fact, the authorities recognise the local communities as the legitimate interlocutors within a legislative framework which includes a fiscal incentive.
The system for sustainable management still needs to be extended in order to secure the long-term supply of dendroenergy. The administrative forestry control system is lacking and the decentralisation and devolution process should be completed. The institutional framework was modified with a new forestry law. This means that, today, the effective transfer of forestry management skills has been formalised to benefit the territorial bodies and local communities.
In the near future, the establishment of bodies devolved from the rural code (regional and communal forestry commissions), will mean that communities and authorities have access to a valuable tool for controlling and conserving sylvopastoral areas in the form of a land development scheme.
Helen Burford | alfa
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Whether you call it effervescent, fizzy, or sparkling, carbonated water is making a comeback as a beverage. Aside from quenching thirst, researchers at the University of Illinois at Urbana-Champaign have discovered a new use for these "bubbly" concoctions that will have major impact on the manufacturer of the world's thinnest, flattest, and one most useful materials -- graphene.
As graphene's popularity grows as an advanced "wonder" material, the speed and quality at which it can be manufactured will be paramount. With that in mind,...
Physicists at the University of Bonn have managed to create optical hollows and more complex patterns into which the light of a Bose-Einstein condensate flows. The creation of such highly low-loss structures for light is a prerequisite for complex light circuits, such as for quantum information processing for a new generation of computers. The researchers are now presenting their results in the journal Nature Photonics.
Light particles (photons) occur as tiny, indivisible portions. Many thousands of these light portions can be merged to form a single super-photon if they are...
For the first time, scientists have shown that circular RNA is linked to brain function. When a RNA molecule called Cdr1as was deleted from the genome of mice, the animals had problems filtering out unnecessary information – like patients suffering from neuropsychiatric disorders.
While hundreds of circular RNAs (circRNAs) are abundant in mammalian brains, one big question has remained unanswered: What are they actually good for? In the...
An experimental small satellite has successfully collected and delivered data on a key measurement for predicting changes in Earth's climate.
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A study led by scientists of the Max Planck Institute for the Structure and Dynamics of Matter (MPSD) at the Center for Free-Electron Laser Science in Hamburg presents evidence of the coexistence of superconductivity and “charge-density-waves” in compounds of the poorly-studied family of bismuthates. This observation opens up new perspectives for a deeper understanding of the phenomenon of high-temperature superconductivity, a topic which is at the core of condensed matter research since more than 30 years. The paper by Nicoletti et al has been published in the PNAS.
Since the beginning of the 20th century, superconductivity had been observed in some metals at temperatures only a few degrees above the absolute zero (minus...
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