IUCN

Outlines the needs for, and benefits of, economic valuation techniques as applied to wetlands and development projects intended to alter them, and describes some of these techniques in detail. A number of case studies, a glossary and a 10-pages bibliography increase the importance of this book for theoreticians and practical managers alike.

Grebes are specisalised waterbirds which inhabit marshlands and reed-fringed lakes. Their dependence on wetlands is total and as a result they are particularly vulnerable to changes in ecosystems and their deterioration. So adapted are they to the wetlands they inhabit that they are an ideal indicator of the health of wetlands and the changes taking place, changes often imperceptible to humans. Since c.

The bodiversity of southern Africa depends on water as does the regional economy. Water flows through every economic sector: agriculture, energy, industry, mining, tourism, and fisheries. However, this vital resource is under threat from environmental degradation due to population growth, poverty, climate change and pollution.

This publication presents information on the identification, phytogeography, utilisation and promotional potentials of rattans in Nepal. It also highlights the status of rattan utilisation and conservation along with prospects for their cultivation and domestication. Rattan habitats in the sultry forest of terai and the damp gorges of deep rivers are being progressively reduced due to human encroachment.