for at udvide
kategorilisten.
Søgning på underkategorier- og emner:
Bemærk: Kan ikke leveres før jul.
Within the context of other economic activities this text examines the wide range of marine ecotourism resources, including natural, cultural and... Læs mere
Bemærk: Kan ikke leveres før jul.
The book will explore tourism in the context of climate change and vulnerable environments, exploring the situation at local level and in a wider perspective using international case studies throughout and providing future recommendations.
Bemærk: Kan leveres før jul.
Written by one of the world's leading and most respected experts on butterfly ecology, behaviour and conservation,... Læs mere
Bemærk: Kan ikke leveres før jul.
This book presents revised papers from a workshop held at the University of Hohenheim in September 1996 with the theme "Policy measures to control... Læs mere
Bemærk: Kan ikke leveres før jul.
This book, a collection of refereed papers from the First International Congress of the European Society for Soil Conservation, covers the assessment, prediction and modelling of soil degradation, and the strategies used to combat the problem.
Bemærk: Kan ikke leveres før jul.
This textbook introduces the basic concepts of mathematical modelling when applied to natural systems. It focuses on tackling real-world problems from a variety of fields including physics, ecology, geology and epidemiology.
Bemærk: Kan leveres før jul.
Volume 2 reviews research on optimising Conservation Agricultural (CA) practices and their benefits. Chapters cover soil management, crop nutrition and irrigation, pest and disease management, as well as broader issues such as managing carbon, biodiversity and ecosystem services.
Bemærk: Kan ikke garanteres før jul.
By focussing on soil health, Conservation Agriculture (CA) is seen as more sustainable than conventional production. This volume... Læs mere
Bemærk: Kan ikke leveres før jul.
As the biodiversity crisis deepens, Anna Wienhues sets out radical environmental thinking and action to respond to the threat of mass species extinction.
Bemærk: Kan ikke leveres før jul.
This authoritative handbook covers the identification of this difficult group of warblers in breathtakingdetail, illustrated with line drawings, sonograms, wonderful colourplates and photographs. It is destined to become the ultimate referencefor these challenging birds.
Bemærk: Kan ikke garanteres før jul.