Consulta: subjectFacets:"Natural conditions"
Registros recuperados: 4
Data/hora: 06/06/2024 14:12:36

Etude comparative du cycle de reproduction de la palourde Ruditapes decussatus en milieu naturel (sud Tunisie) et contrôlé (écloserie)
Provedor de dados: 5
Autores: Hamida, Leila; Medhiouband, Mohamed; Cochard, Jean-claude; Romdhane, Mohamed; Le Pennec, Marcel.
A comparative study of the reproductive cycle of Ruditapes decussatus under natural (South of Tunisia) and controlled conditions (hatchery). The aim of this study was to describe and compare the gametogenic activity of Ruditapes decussatus in situ and in hatchery. Criteria of maturity were characterized and the positive role of conditioning in the success of artificial reproduction was underlined. Specimens sampled in the South of Tunisia were conditioned at the experimental station of Monastir (Tunisia). The parameters studied were the variation of the condition index and the frequency distribution of oocyte diameters. Results showed that the reproductive cycle was continuous in situ. Gametogenesis started in January and February. Gonadic activity...
Tipo: Text
Palavras-chave: Ruditapes; Natural conditions; Hatchery; Reproduction; Gonatic activity; Gametogenesis.
Ano: 2004
URL: http://archimer.ifremer.fr/doc/2004/publication-882.pdf

TERRITORIAL AND NATURAL PRIORITIES OF MACEDONIA - IMPORTANT FACTOR FOR TOBACCO PRODUCTION DEVELOPMENT
Provedor de dados: 31
Autores: Kabranova,   Romina; Arsov,   Zlatko.
Territory and natural conditions in Macedonia are well known in the World market of high quality production of oriental type of tobacco. Production of oriental tobacco at such a small territory is insignificant towards other producers (Bulgaria, Turkey), buy it is very important for Macedonian economy. The high value of exported tobacco and other tobacco products is regularly above 100 million USD (113 million USD for 2006 and 106 million USD for 2007). As a family production with low grade of mechanized labor processes, it provides survival of more than 100 000 residents of Macedonia. These reasons are enough to evaluate the importance of tobacco for a country with a gross national income per capita of around $4,120 in 2008, (GNI, Atlas method) and high...
Tipo: Conference Paper or Presentation
Palavras-chave: Oriental tobacco; Production; Natural conditions; Quality; Export; Competitive product; Agribusiness; Crop Production/Industries.
Ano: 2009
URL: http://purl.umn.edu/57349

The range and the structure of subsidies in agriculture companies reaching a different economical level
Provedor de dados: 31
Autores: Svobodova,   Eliska; Vinohradsky,   Karel.
The paper deals with a range and a structure of subsidies in agricultural companies reach a different economic level and farm in different natural conditions.  The research realized within a set of 109 agricultural companies of NUTS II South-East throughout the years 2001-2003 shows that the endowment support of field economy had the same extent in the main (subsidies for 1 ha of agricultural land and for one worker), both in the group of different economic level and in the group of agricultural companies running their own business in different natural conditions during this period.  The structure of subsidies, in a view-point of their special purpose, is a bit different among the companies running businesses in less favored areas (LFA), namely in a higher...
Tipo: Journal Article
Palavras-chave: Agricultural companies; Subsidies; Economical level of companies; Natural conditions; Agricultural and Food Policy.
Ano: 2009
URL: http://purl.umn.edu/96852

Preservation of Bio-Diversity, Heterogeneity of Farm Practices and Payments for Cultural Landscapes under Inhomogeneous Natural Conditions
Provedor de dados: 31
Autores: Nuppenau,   Ernst-August.
The paper explores the question of diversity in agricultural practice as related to bio-diversity and landscape appearance. It starts with the observation that, in the past, diverse natural conditions have considerably impacted on adapted modes of agricultural production, more than today, and that previously performed farm practices were strongly affiliated with specific natural conditions. These practices positively contributed to a motified, diverse and man-made environment which is frequently considered a beautiful landscape. This has changed dramatically. Particularly, where the European countryside is regarded a natural heritage, today, the public seems to be worried about modern farm practices. After the adoption of modern techniques, farmers prefer...
Tipo: Conference Paper or Presentation
Palavras-chave: Bio-diversity; Natural conditions; Diversity in farming; Payments for nature; Resource /Energy Economics and Policy.
Ano: 2002
URL: http://purl.umn.edu/24937