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The first and major part of this publication, devoted to the proceedings of the conference on crop germplasm conservation with special emphasis of rye, consists of 22 papers grouped into five sessions: (1) plant genetic resources conservation and rye breeding in Poland; (2) long-term storage prac...
Medicinal plants are the most important source of life saving drugs for the majority of the world's population. The biotechnological tools are important to select, multiply and conserve the critical genotypes of medicinal plants. In-vitro regeneration holds tremendous potential for the production...
We discuss the main ecological factors that influence tree recruitment in neotropical moist-and wet forests within the context of timber management based on selective logging. We argue that setting aside protection areas in managed forests as a way to preserve ecological processes may not be suff...
Fire, grazing, browsing and tree cutting are major anthropogenic determinants of vegetation patterns in African savannas. In Burkina Faso forest management policies prohibit grazing while recommending annual early fire and selective tree cutting of 50% of the merchantable standing volume on a 20-...
This paper analyses the underlying causes of secondary forest formation and recovery in India, particularly the Western Ghats region of south India, from precolonial times to the present. In the pre colonial period, hunter gatherers, shifting cultivators and settled cultivators were the dominant ...
This paper discusses the socioeconomic, policy and ecological opportunities and constraints to the regeneration and management of secondary forests (SF) on small scale colonist farms in three Latin American countries. So far there has been little recognition of SF as a forest resource. Survey dat...
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