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… involve less intensive interventions – for example, less drainage, less intensive tillage, less reliance on large … tree and shrub boles. These habitats encompass most of the drainage basin and harbour its biological rich- ness. … by upland sheep, ploughing up of species-rich grasslands, drainage of wetlands, excessive use of chemical inputs, and …

… and transport, new housing projects, new quarries, new drainage and dam systems as well as urban sprawl. Both … pour toute une série d'activités comme, entre autres, le drainage des zones humides, les plantations d'arbres, … dug up by machinery for purposes of road construction and drainage systems. A feeling which can be described as a …

… under threat from slash-and-burn practices, followed by drainage to allow for smallholder agricultural production of …

… cleanup into waterways and wetlands created pollution and drainage problems that hampered long-term recovery; • Several …

… have no access to a piped sewage supply − the main drainage channel for the city, enter the top end of the …

… most threatened ecosystems, owing mainly to ongoing drainage, conversion, pollution and over- exploitation of … these impacts have obvious and immediate effects, such as drainage and conversion. However, some effects, such as those … 2012]. Fritsch, M. S. (1997). Health issues related to drainage water management, Chapter 7. In: Management of …

… broadleaf forest on high ground in a white-water drainage (Freese et al . , in Wolfheim, 1983), whereas in … in the east in the Upper Benue River valley and nearby drainage (Oates, 1977a; Nigeria CITES MA, 1987). Rwanda Once … the park numbers 'in the thousands'; on the Koumbala River drainage alone there were probably over lOOC in 1985 (Fay, …

… and skidding trails do not block watercourses or impede drainage Directional felling is an important aspect of … and skidding trails do not block watercourses or impede drainage   ITTO/IUCN GUIDELINES FOR THE CONSERVATION AND …

… direct discharge of untreated hazardous wastes into the drainage system. The discharge was recorded by the company’s …

… risk-prone areas and degradation of the soil and natural drainage systems, making it even more difficult to recuperate …