## Abstract In the Canary Islands a number of factors, both natural and induced by human activity, act on the fragile ecosystems and agricultural land to cause increasing problems with desertification and progressive degradation of soil productivity. the results of an assessment of soil degradation
Concentration of fluoride in beers and soft drinks consumed in the Autonomous Community of the Canary Islands, Spain
✍ Scribed by M.Ma. Martín Delgado; A. Hardisson de la Torre; R. Alvarez Marante
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- English
- Weight
- 513 KB
- Volume
- 5
- Category
- Article
- ISSN
- 0889-1575
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Two drifting buoys equipped with downward looking 4-channel colour sensors were deployed south-west of Gran Canaria island in the vicinity of a cyclonic eddy. Diffuse upwelling irradiance was measured in four channels (corresponding to some of the SeaWlFS channels) centred on wavelengths 440, 490, 5
## Abstract The oil constituents from the roots, fruits, leaves and stems of __Pimpinella cumbrae__ Link gathered in the Canary Islands, Spain, have been studied by GC and GC–MS in combination with retention indices. The major constituents in the root oil were found to be isokessane (17%), β‐dihydr