Results 121 to 130 of about 41,039 (215)

Europe's ecological backbone: recognising the true value of our mountains [PDF]

Europe's mountain areas have social, economic and environmental capital of significance for the entire continent. This importance has been recognised since the late 19th century through national legislation; since the 1970s through regional structures ...
Hazeu, G.W., Perez-Soba, M., Roupioz, L.F.S.   +2 more
core   +3 more sources

Atmospheric Rivers and precipitation in the Madeira Island: 10-years analysis

, 2014
The purpose of this work is to bring more evidence about the Atmospheric Rivers (ARs) occurrence in the North Atlantic Ocean (NAO) and their relationship with significant precipitation in the Madeira Island during 10 winter seasons. In this study, the meridional water vapor transport associated to the ARs is visually identified from total precipitable ...
Couto, Flavio, Salgado, Rui, Costa, Maria João, Prior, Victor   +3 more
openaire   +1 more source

Catfishes of the genus Auchenipterichthys (Osteichthyes: Siluriformes: Auchenipteridae): a revisionary study

Neotropical Ichthyology
The Neotropical auchenipterid catfish genus Auchenipterichthys is reviewed and found to include four species. Auchenipterichthys thoracatus, formerly considered to be widely distributed throughout the Amazon River basin, is found to be restricted to the ...
Carl J. Ferraris Jr., Richard P. Vari, Sandra J. Raredon   +2 more
doaj   +1 more source

Sediment transport modeling for run-of-river hydropower in the Madeira River: Calibration with conventional and remote sensing data

International Journal of Sediment Research
This study aims to evaluate sediment transport processes in the Madeira River, a high-load Amazon tributary altered by the Jirau run-of-river hydropower dam. A methodology for sensitivity analysis and calibration of the HEC-RAS one-dimensional morphodynamic model is developed. It integrates multiple model to measured comparisons, including conventional
Zandonadi Moura, Leonardo, Martinez, Jean-Michel, Santini, William, Koide, Sergio, Roig, Henrique, E Santos, Diego R.A., Kepler Soares, Alexandre   +6 more
openaire   +2 more sources

Pacu fish (Cuvier, 1818) (Characiformes: Characidae) landed in Porto Velho (Rondônia) fish market from 1985 to 2004 [PDF]

Biotemas, 2008
This study evaluated various aspects of the profile of pacu (Mylossoma spp., Myleus spp., Metynnis spp.) fish marketed on the Cai N’água floating platform of Porto Velho (RO) from 1985 to 2004.
Maria Alice Leite Lima, Carolina Rodrigues da Costa Doria   +1 more
doaj  

Technology Management with Focus on Fish Transposition System (FTS) [PDF]

, 2018
Fish transposition mechanisms have been installed near hydroelectric busses in order to reconnect sections of sectioned rivers and attract fish, offering them a route for the continuity of their displacement, essential for their feeding and reproduction.
AntonioFaianoLuquez, F. (Filipe), Arenhardt, V. (Valéria), Filho, F. D. (Flávio), Martins, S. L. (Sidney), Pires, S. H. (Silvia), Silva, A. B. (Alisson)   +5 more
core  

SOYBEAN PRODUCTION COSTS: AN ANALYSIS OF THE UNITED STATES, BRAZIL, AND ARGENTINA [PDF]

U.S. farmers' share of world soybean exports has declined, while Brazil and Argentina are gaining. There is much debate concerning the competitive advantage of U.S. versus Latin American soybean producers.
Huerta, Alexandria I., Martin, Marshall A.   +1 more
core   +1 more source

Viewpoint – Decision Making on Amazon Dams: Politics Trumps Uncertainty in the Madeira River Sediments Controversy

Water Alternatives, 2013
The Madeira River, an Amazon tributary draining parts of Bolivia, Peru and Brazil, has one of the highest sediment loads in the world. The questions of how these sediments would affect the Santo Antônio and Jirau hydroelectric dams, now under ...
Philip M. Fearnside
doaj  

The Darien Scheme and anglophobia in Scotland [PDF]

Scottish attempts at financial innovation in the late seventeenth century included the Bank of Scotland and the Darien Scheme. The Bank is still in existence, but the Darien scheme’s mission to site a Scottish colony on the isthmus of Darien, Panama, was
Paul, Helen Julia
core  

Qualitative and quantitative investigations on the macrobenthic fauna of Central Amazon lakes. 1. Lago Tupé, a black water lake on the lower Rio Negro

, 1977
Lago Tupé is a black water "ria lake". It is connected with the Rio Negro throughout the year and shows similarly large fluctuations in water level, amounting to nearly 8 m in 1971.
Reiss, F.
core