A comprehensive introduction to vascular plant phylogeny, the third edition of "Plant Systematics" reflects changes in the circumscription of many orders and families to represent monophyletic groups, following the most recent classification of the Angiosperm Phylogeny Group. Mo…
This book describes Ireland's lichens. Part I describes with accurate line drawings the essential features of lichen anatomy. This is followed with guidelines on how to equip oneself for a comfortable and rewarding outing, maintaining a field notebook, collecting specimens and d…
. The first is subject of this thesis and refers to the persistence of potato genetic resources. In areas where everyday practices of farmers maintain diversity on-farm. The second concerns the more. Recent phenomenon of Research & amp; Development (R & amp;D) interventions wh…
In-situ conservation Two types of in-situ conservation of crop genetic resources can be distinguished: farmer-driven and externally driven. The first is subject of this thesis and refers to the persistence of potato genetic resources in areas where everyday practices of farm…
Bogen indeholder kun få linier om hver art: Latinsk navn, amerikansk trivialnavn, hvilken familie arten tilhører, den udbredelse i USA. For halvdelen af de nævnte arter oplyses også med et enkelt ord for hver: farmakologisk virkning (f.eks. astringent, tonic), lidelse, som plant…
This book is a comprehensive examination of all 285 species of squirrels worldwide. The authors reveal virtually every detail of the family Sciuridae, which includes ground squirrels, tree squirrels, flying squirrels, prairie dogs, and chipmunks. Each species — from the familiar…
Interactions between species are of fundamental importance to all living systems and the framework we have for studying these interactions is community ecology. This is important to our understanding of the planet's biological diversity and how species interactions relate to the…