| Title: | Modificaao do ambiente das Ilhas de S. Tome e Principe |
| Author: | Campos, E. de |
| Year: | 1956 |
| Periodical: | Boletim da Sociedade de Geografia de Lisboa |
| Volume: | 74 |
| Issue: | 4 |
| Pages: | 141-149 |
| Language: | Portuguese |
| Geographic term: | So Tom and Principe |
| Subject: | economic conditions |
| Abstract: | Beschouwing over de sterke daling gedurende de laatste 30 40 jaar van de cacao- en koffieopbrengsten, die schr. een gevolg noemt van een klimaatsverandering, erosie en achteruitgang in vruchtbaarheid van de grond. Suggesties tot verbetering. |
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