Kategoria BISAC: Nature >> Plants - Trees

These handy, accurate, and easily used keys to fruit and twig identification are the only guides of their sort with photographs -- over 350 of them, of nearly every twig and fruit described -- making them especially valuable to the novice.
The fruit key (dealing with both deciduous trees and evergreens) begins with a concise introduction, explaining simply and lucidly the process of seeding, and identifying the various organs involved: the cones and flowers, and their component parts and variations. Next the various types of fruits are described -- drupe, berry, pome, legume, follicle,...

This book provides the first comprehensive examination of nontimber forest products (NTFPs) in the United States, illustrating their diverse importance,...

This book provides the first comprehensive examination of nontimber forest products (NTFPs) in the United States, illustrating their diverse importance,...

In a Dark Wood presents a history of debates among ecologists over what constitutes good forestry, and a critique of the ecological reasoning behind contemporary strategies of preservation, including the Endangered Species Act. Chase argues that these strategies, in many instances adopted for political, rather than scientific reasons, fail to promote biological diversity and may actually harm more creatures than they help. At the same time, Chase offers examples of conservation strategies that work, but which are deemed politically incorrect and ignored.

In a Dark Wood...

The forests of British Columbia and the U.S. Pacific Northwest have long been key to the biophysical and economic well-being and the cultural identity of the region. During the last two decades these forests have become the subject of increasing conflict due to competing demands, which are a reflection of conflicting economic interests and social/political values and visions.

This book examines the sources of conflict and suggests steps toward resolving forest policy issues. It is unique in two ways: First, it examines forest policy in the context of a binational region, exploring...