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Integrating biodiversity conservation and sustainable use: Lessons learned from ecological networks
… has become greatly degraded by deforest- ation and wood collection. About a third of all the forests have been … per cent a year. Surface waters are polluted by untreated waste water, and irrigation and hydro- electric projects are …
The green belt of Europe: From vision to reality
… collaborative activities: biological field projects; collection of data and planning work for the establishment of … built into practical work on many different areas such as waste management, economic use of nature resources, new bio- … consumption of resources (land, water, energy), and waste and sewage products also have a negative impact (Engels …
Linkages in the landscape : The role of corridors and connectivity in wildlife conservation
… conservation has outpaced scientific understanding and the collection of empirical data (especially experimental data) … and phosphorus, from fertilizers and human or animal waste causes artificial enrichment (eutrophication) of water … has been banned but traditional Maasai uses, such as the collection of firewood and grazing of livestock, are …