Results 11 to 20 of about 13,695 (144)

Régimen jurídico de las aguas de lastre en Colombia

open access: yesRevista Ciencias Marinas y Costeras
In the context of globalization, 80% of world trade is conducted via the oceans. This implies that navigation constitutes not only one of the drivers of the global economy but also one of the factors with the greatest impact on marine ecosystems. From a technical navigation perspective, ships require mechanisms to stabilize themselves and their cargo ...
Roberto Lastra Mier   +2 more
openaire   +3 more sources

Contaminación en la Bahía de Cartagena por agua de lastre de los buques

open access: yesBoletín Científico CIOH, 2003
En Colombia la Dirección General Marítima (DIMAR) a través del Centro de Investigaciones Oceanográficas e Hidrográficas (CIOH), inició un programa de investigación para identificar las especies presentes en las aguas de lastre de los buques que arriban a puerto colombiano. La primera fase del proyecto se ejecutó en el año 2002 y en esta se ...
Pablo C. Tigreros   +2 more
openaire   +3 more sources

Caracterización fisicoquímica, biológica y microbiológica en aguas de lastre de buques de tráfico internacional

open access: yesBoletín Científico CIOH, 2007
Durante los años 2005 y 2006 se continuaron realizando muestreos a tanques de lastre de buques de tráfico internacional que arribaron a la Bahía de Cartagena, la cual está ubicada en el sector sur occidental de la costa Caribe colombiana y localizada entre los 75º30’-75º36’W y 10º26’-10º16’N.
Fernando Orozco   +5 more
openaire   +3 more sources

Characterisation of Drought and Wet Events in the Paraíba do Sul River Basin—Brazil

open access: yesInternational Journal of Climatology, EarlyView.
Trend analysis identified statistically significant reductions in precipitation (at the 5% significance level) at specific pluviometric stations in São Paulo and Rio de Janeiro, while other areas, mainly in Minas Gerais, experienced significant increases in annual and seasonal rainfall, particularly during summer and spring. These significant trends at
Gildo Rafael de Almeida Santana   +4 more
wiley   +1 more source

Evaluating the sustainability of mineral water consumption using multi‐scale hydrogeophysics in Caxambu, Brazil

open access: yesNear Surface Geophysics, EarlyView.
Abstract A better understanding of the near‐surface aquifer system of the Caxambu Water Park, located in the Minas Gerais State, Brazil, has been achieved. The study aimed to identify groundwater reservoirs and flow patterns and contribute to the hydrogeological conceptual model using a multi‐scale geophysical approach.
Emanuele F. La Terra   +5 more
wiley   +1 more source

When invasions go unnoticed: Public perception of the freshwater jellyfish Craspedacusta sowerbii in Europe

open access: yesPeople and Nature, EarlyView.
Abstract Biological invasions are a major driver of biodiversity loss, yet inconspicuous or “cryptic” species often escape detection and public awareness, limiting management responses. We investigated the freshwater jellyfish Craspedacusta sowerbii, likely native to China and now present on six continents, through a 22‐month multilingual online survey
Guillaume Marchessaux   +17 more
wiley   +1 more source

THE AESTHETICS OF URBAN METABOLISM: Landscape, Design and the Politics of In/Visibility

open access: yesInternational Journal of Urban and Regional Research, EarlyView.
Abstract In this article, we chart the evolving aesthetic contours of urban metabolism across London, focusing on the River Lea and Thamesmead to the north and south of the River Thames, respectively. We begin in the nineteenth century, when these two sites formed critical nodes within a new sewerage system that relegated the city’s circulatory flows ...
Ben Platt, Zuhri James
wiley   +1 more source

When “Rescue” Means Exile: The Urgency of Science‐Based Protocols for Large Carnivore Interactions and Coexistence in the Neotropics

open access: yesAnimal Conservation, EarlyView.
Using the recent case of an Andean jaguar translocated hundreds of kilometers to a distinct savanna ecosystem in Colombia, we critique the prevalent “Reactive Removal” model often framed misleadingly as “rescue.” We contrast this approach, which disregards local adaptation, creates ecosystem mismatches, and blocks natural range recovery, with a needed “
José F. González‐Maya   +3 more
wiley   +1 more source

Presencia de Stephanopyxis nipponica Gran y Yendo, 1914 (Stephanopyxidaceae) en el agua de lastre de buques en la Bahía de Santa Marta, Caribe colombiano.

open access: yesIntropica, 2010
Con el objetivo de conocer la microflora presente en las aguas de lastre de la bahía de Santa Marta se realizaron muestreos en 34 buques, de enero a septiembre de 2006.
Luis M. Rangel G., Luis A. Vidal V.
doaj  

Dispositivo para aprovechar la energía de corrientes marinas [PDF]

open access: yes, 2012
En este articulo se expone el proceso seguido en la definición y desarrollo de un generador, denominado GESMEY, para el aprovechamiento de la energía de las corrientes marinas situadas a más de 40 metros de profundidad, lo que junto a sus características
Carneros Lozano, Alfonso M.   +4 more
core   +1 more source

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