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Biodiversity - The Dynamic Balance of the Planet

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ISBN: 9789535113157 Year: Pages: 380 DOI: 10.5772/57015 Language: English
Publisher: IntechOpen
Subject: Biology
Added to DOAB on : 2019-10-03 09:47:09

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The current world biodiversity consists of an inestimable amount of living forms, that at all levels, from genes to biomes, from individuals to populations, from species to communities, are in constant pursuit of the best strategies to react to the natural and anthropic environmental changes. The arrangement of new and dynamic ecosystems balanced by the formation and the vanishing of species, is the direct consequence of these changes. This book contains comprehensive overviews and original studies focused on ecological and ecosystem functioning studies, hazards and conservation management, assessment of environmental variables affecting species diversity, also considering species richness and distribution, in order to identify the best management strategies to face and solve the conservation problems.

Advances in Biology and Ecology of Nitrogen Fixation

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ISBN: 9789535112167 9789535142386 Year: Pages: 284 DOI: 10.5772/56990 Language: English
Publisher: IntechOpen
Subject: Botany
Added to DOAB on : 2019-10-03 07:51:49

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Biological nitrogen fixation has essential role in N cycle in global ecosystem. Several types of nitrogen fixing bacteria are recognized: the free-living bacteria in soil or water; symbiotic bacteria making root nodules in legumes or non-legumes; associative nitrogen fixing bacteria that resides outside the plant roots and provides fixed nitrogen to the plants; endophytic nitrogen fixing bacteria living in the roots, stems and leaves of plants. In this book there are 11 chapters related to biological nitrogen fixation, regulation of legume-rhizobium symbiosis, and agriculture and ecology of biological nitrogen fixation, including new models for autoregulation of nodulation in legumes, endophytic nitrogen fixation in sugarcane or forest trees, etc. Hopefully, this book will contribute to biological, ecological, and agricultural sciences.

Rice - Germplasm, Genetics and Improvement

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ISBN: 9789535112402 9789535142348 Year: Pages: 318 DOI: 10.5772/51100 Language: English
Publisher: IntechOpen
Subject: Plant Sciences
Added to DOAB on : 2019-10-03 07:51:49

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Rice is a staple food for half of the worlds population mostly in Asia. Productivity of rice has largely been improved since the Green Revolution in 1960s. Further improvement of rice yield is necessary to keep pace with population growth, which is a challenging task for breeders. This book, Rice - Germplasm, Genetics and Improvement, as its name implies, comprehensively reviews current knowledge in germplasm exploration, genetic basis of complex traits, and molecular breeding strategies in rice. In the germplasm part, we highlight the application of wild rice in rice breeding. In the genetics part, most of the complex traits related with yield, disease, quality have been covered. In the improvement part, Chinese experiences in hybrid rice breeding have been summarized together with many molecular breeding practices scattering in different chapters.

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