The article aims to characterize the transformations that have occurred in family agriculture by examining social, economic and political aspects semi-arid region of Bahia. It has as its central axis statement rural world remains an important category for analysis relations among social classes. For this purpose, a bibliographic review was carried out on subject, well legal frameworks legitimiz...

1. Definitions 1.1. Types of Aridity 1.2. Levels of Aridity 2. Paleoperspective 3. People and Land Use in Arid Lands 3.1. Foragers/Hunter–gatherers 3.2. Agriculturists 3.3. Pastoralists 4. Geomorphology of Arid and Semiarid Lands 5. Biological Diversity in Arid Lands 5.1. Arid and Semiarid Lands Plants and their Uses 5.2. The Future of the Conservation of Wild Plants in Arid Regions 6. Climatic...

Background: This work aims to analyze and evaluate the feeding systems of dairy farms in order provide a diagnosis constraints potentialities current food practices under Algerian production conditions, particularly semi-arid region Sétif. Methods: The survey was carried out between 2021-2022 on 147 different agro-ecological zones data were collected through personal interviews using structured...

ABSTRACT Exploitation of groundwater resources with no proper characterization water reserves jeopardizes the quantity and quality available in future. A major challenge is finding appropriate methods or coefficients to evaluate carrying capacity aquifer. The objective this study was quantitatively qualitatively characterize provide information management strategies for rational use an alluvial...

Abstract Umbu fruits from four municipalities of Paraíba were morphologically characterized in order to identify promising genotypes for fresh consumption and agro-industrial use. We used 400 parent plants located São Vicente do Seridó, Queimadas, Boqueirão, Cabaceiras 40 commercial two open fairs Campina Grande, PB. The experimental unit consisted ten fruits. analyzed total mass (MTF), length ...