How do tree crowns, trees or forest stands respond to thinning in the long term? What effect do tree species mixtures and multi-layering have on the productivity and stability of trees, stands or forest enterprises? This book focuses on the experimental designs, analytical metho…
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Jointly published with INRA, Paris. What will people eat in the future and how can the food requirements in terms of quantity and quality be met? This EU-based study elucidates the need for a productivity level that will make agriculture competitive on the market and yet is reco…
Aimed at taking the mystery out of soil science, Soils: Principles, Properties and Management is a text for undergraduate/graduate students who study soil as a natural resource. Written in a reader-friendly style, with a host of examples, figures and tables, the book leads the r…
Necropsies of several wild California condors indicated that they died from lead poisoning due to ingestion of lead from bullet fragments in carcasses of abandoned game animals. The purpose of this study was to evaluate the toxicity of alternative, non-lead based ballistic mater…
The objectives of this project were to evaluate roosting habitat and poult survival of Merriam's turkeys in the southern Black Hills, South Dakota. Merriam's turkeys roosted exclusively in ponderosa pine. Larger trees within the forest stand were selected for roosting. Roost sit…