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Autor/es | Goldie, H. S. |
Matèries en català: | Geologia ; Geografia. |
Matèries en anglès: | Geology ; Geography. |
Resum-Abstract: | [cat] El tipus de cultiu itinerant realitzat per les tribus de les muntanyes així com la cremada regular dels boscos en les àrees productores d'opi del Triangle d'Or, són responsables de seriosos danys en els recursos del sol. L'estudi de les formes exhumades de lapiaz, que presumiblement s'han desenvolupades sota la superfície en lloc de fer-ho en condicions subaèries, es presenta com a prometedor mitja per documentar l’erosió del sol; no obstant això hi ha molts de problemes que romanen sense resoldre, el que fa que encara no es puguin aconseguir resultats segurs. [eng] The limestone pavements of the British Isles provide an interesting example of human activity as an agent of geomorphological change. This paper looks at the history of human influences on limestone pavements, especially in northwestern England, examines recent damage. and discusses the actions being taken to protect these fascinating and beautiful landforms. The activities which have affected *he pavements have been varied, and the importance of any individual activity has changed over time. In recent decades the pressures have increased and conservation bodies have become concerned with the problem in order to protect pavement sites from further damage. Very few pavement sites in the British Isles have been unaffected by damage or alteration in the past 30 years, and come have suffered very severely. |
Font: | Endins 1987, Vol. 13, pp. 71-81 |
Identificador: | e-ISSN: 2386-7299 |
Tipus de document: | info:eu-repo/semantics/article ; info:eu-repo/semantics/publishedVersion |
Avís legal: | all rights reserved ; info:eu-repo/semantics/openAccess |