Chromatic exclusivity hypothesis and the physical basis of floral color
This paper presents the results of floral spectral studies on 1275 flowers from India, Brazil, Israel, Germany, and Norway. Floral spectral reflectance from 400 to 700 nm (nm) was used to quantitatively represent ‘human-perceived’ color of...
The Maghreb (North Africa) rangelands evolution over forty years: re-greening or degradation
The Sahel region is subject of several controversies over the current trends of its ecosystems. Some consider that despite the rain recovery, this region remains in a regressive dynamics, while others consider that they are in re-greening...
Farmers’ adoption of sulla (Hedysarum coronarium L.) cultivation as an alternative livestock feed
The objective of this study was to investigate farmers' adoption of sulla (Hedysarum coronarium L.) cultivation in northern Tunisia. Sulla adoption at farmer level and farmers‟ perception about the role of sulla were investigated through a...
Chickpea chlorotic stunt and Beet western yellows viruses (genus Polerovirus, family Luteoviridae) on cool season food legumes in Tunisia: importance, characterization and management
Legumes are considered as strategic crops in Tunisia because of their economic and social relevance and directly contribute in the national alimentary equilibrium. However, legumes production levels remain quite low which is often attributed to...
Elaboration of Livestock R&D Scenarios and Assessment of the Impact of Alternative Investment Scenarios on Employment Generation: A Methodological Framework