The vegetation of the cultivated areas neighbourhood of Bucharest
Author | : |
Publisher | : |
Total Pages | : 8 |
Release | : 1969 |
Genre | : |
ISBN | : |
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Author | : |
Publisher | : |
Total Pages | : 8 |
Release | : 1969 |
Genre | : |
ISBN | : |
Author | : W. Holzner |
Publisher | : Springer Science & Business Media |
Total Pages | : 446 |
Release | : 2013-03-14 |
Genre | : Science |
ISBN | : 9401709165 |
Weeds are a fascinating study for specialists, not only because of their economic importance, but also since in this case biology must be combined with history and agriculture (and its economic aspects). Thus, weed scientists may be concerned with pure basic research, concentrating on general aspects, or with applied science, i.e. having a practical orientation. One of the aims of this book is to create a synthesis between these two branches of study and to review the literature of both fields. The agrestals, the weeds of arable land ~ the most important group from an economic point of view ~ was chasen as the main topic. Other weed groups could only be mentioned briefly (e.g. grassland weeds), or superficially (e.g. aquatic weeds), or had to be omitted completely (e.g. ruderals, because they are so heterogeneous), to keep this volume to an acceptable size and price. Nevertheless, nearly all subsections of botanical science have been treated.
Author | : Great Britain. Admiralty |
Publisher | : |
Total Pages | : 218 |
Release | : 1920 |
Genre | : Romania |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 306 |
Release | : |
Genre | : Science |
ISBN | : |
Author | : Sydenham Edwards |
Publisher | : |
Total Pages | : 398 |
Release | : 1845 |
Genre | : |
ISBN | : |
Author | : D. Pimentel |
Publisher | : Elsevier |
Total Pages | : 363 |
Release | : 2012-12-02 |
Genre | : Technology & Engineering |
ISBN | : 0444596763 |
The preservation of biodiversity is a high priority among biologists, ecologists and environmentalists. The impact that human activities have on biodiversity is clear; however, few studies have focused on the importance of biodiversity to natural and agricultural ecosystems. In fact, many natural species are essential to sustainable agricultural programs. A new school of thought is appreciating the ecological principles and benefits that diversity of natural biota have for humans and the environment. Landscape ecology and agroecology can play a major role in protecting the environment and conserving biological diversity. The practical opportunities for improving the sustainability of agriculture and making it more environmentally sound were discussed at the Symposium on Agroecology and Conservation Issues, from which 22 papers were collected for this volume. Strategies for increasing biodiversity in agricultural landscapes are provided alongside discussion that agriculture will continue to spread into forests, to meet the growing need for food. Although humans recognize the value of crop and livestock species, few really appreciate the fact that agriculture and forestry cannot function in a productive sustainable way when significant numbers of species in natural biota are lost.
Author | : Great Britain. Naval Intelligence Division |
Publisher | : |
Total Pages | : 236 |
Release | : 1918 |
Genre | : Romania |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 640 |
Release | : 1974 |
Genre | : Forests and forestry |
ISBN | : |
Author | : Ion Velcea |
Publisher | : Bucharest : Meridiane |
Total Pages | : 182 |
Release | : 1976 |
Genre | : Natural resources |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 876 |
Release | : 1972 |
Genre | : Agriculture |
ISBN | : |