An assessment of the consequences of biological invasions and of the measures taken against must be at the base of each social decision in this field. Three forms of uncertainty can be distinguished that make such a decision difficult to take: (1) factual uncertainty, which encompasses not only...

With growing awareness of the dangers of an irreversible loss of plant genetic resources for food and agriculture (PGRFA), there has been a major effort devoted to collecting and conserving plant genetic resources. The objective of this study is to assess the level of investments in PGRFA...

With growing awareness of the dangers of an irreversible loss of plant genetic resources for food and agriculture (PGRFA), there has been a major effort devoted to collecting and conserving plant genetic resources. The objective of this study is to assess the level of investments in PGRFA...