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Biologia do Solo
A biologia do solo é fundamental para vários setores da produção primária, contudo ainda não é componente curricular de muitos cursos de agronomia, engenharia florestal, engenharia ambiental ou zootecnia. O movimento do mercado de produtos biológicos, nos últimos anos, demonstrou a importância de o profissional ter o conhecimento mínimo dos processos biológicos que ocorrem no solo, como manejá-los para melhorar o desempenho produtivo e otimizar recurso financeiro dos agricultores. Nesta obra, são abordados conceitos básicos sobre microbiologia, fauna e ecologia do solo, assim como estratégias para o manejo do solo, visando proteger a biodiversidade e aprimorando a produção agrícola e florestal. Para isso, elaboramos 13 capítulos, trazendo a base da biologia do solo, associada a informações científicas atuais direcionados para a aplicação em campo.
Biological Invasions in South Africa
This open access volume presents a comprehensive account of all aspects of biological invasions in South Africa, where research has been conducted over more than three decades, and where bold initiatives have been implemented in attempts to control invasions and to reduce their ecological, economic and social effects. It covers a broad range of themes, including history, policy development and implementation, the status of invasions of animals and plants in terrestrial, marine and freshwater environments, the development of a robust ecological theory around biological invasions, the effectiveness of management interventions, and scenarios for the future. The South African situation stands out because of the remarkable diversity of the country, and the wide range of problems encountered in its varied ecosystems, which has resulted in a disproportionate investment into both research and management. The South African experience holds many lessons for other parts of the world, and this book should be of immense value to researchers, students, managers, and policy-makers who deal with biological invasions and ecosystem management and conservation in most other regions.
Landscapes and Landforms of Brazil
This book presents Brazil as a country of continental dimensions. Its territory has a large variety of rock types, geological structures and climates. The country has a large variety of landscapes, such as the humid plains of the Amazon River, the dry plateaus of the semi-arid region or the subtropical mountains of the southern region. On the coast, some plateaus and mountains, like the Serra do Mar Mountain range, formed a significant barrier front to access the hinterland of Brazil. On the other side of these coastal plateaus and mountains, there is a large collection of other plateaus, mountains, plains and depressions little altered by human interference. Thus, Brazil has a unique variety of different landscapes and extraordinary geomorphological sites. The book invites readers to learn more about the beautiful Brazilian landscapes, their complexity and vastness.
How Big (Small?) are Fiscal Multipliers?
We contribute to the intense debate on the real effects of fiscal stimuli by showing that the impact of government expenditure shocks depends crucially on key country characteristics, such as the level of development, exchange rate regime, openness to trade, and public indebtedness. Based on a novel quarterly dataset of government expenditure in 44 countries, we find that (i) the output effect of an increase in government consumption is larger in industrial than in developing countries, (ii) the fisscal multiplier is relatively large in economies operating under predetermined exchange rate but zero in economies operating under flexible exchange rates; (iii) fiscal multipliers in open economies are lower than in closed economies and (iv) fiscal multipliers in high-debt countries are also zero.
Placar Magazine
PLACAR: a maior revista brasileira de futebol. Notícias, perfis, entrevistas, fotos exclusivas.
Diario Oficial
Laws, decrees, and administrative acts of government.
The Xavante in Transition
DIVIlluminates the experience of a small-scale culture with large-scale change /div
Dictionnaire Hachette-Oxford Concise
This intermediate French dictionary now has a new grammar supplement that focuses on the key points of French grammar providing invaluable support to anyone learning to speak, read and write in French.
