Results 31 to 40 of about 14,932 (160)
Report of the Inter-American Tropical Tuna Commission for the year 2008 [PDF]
ENGLISH: The Inter-American Tropical Tuna Commission (IATTC) operates under the authority and direction of a convention originally entered into by Costa Rica and the United States. The convention, which came into force in 1950, is open to adherence by
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Abstract Pedro de Ayala served as a diplomat for King Ferdinand II of Aragon and Queen Isabella I of Castile at the courts of Henry VII, King of England, and James IV, King of Scots. In July 1498, he wrote a letter, partly in cipher, to report to his king and queen on such matters as Spain's interests in international diplomacy; the characters and ...
Adrian William Jaime +2 more
wiley +1 more source
Abundancia y talla de esponjas comerciales (Spongiidae) en el Golfo de Batabanó, Cuba
Las fluctuaciones de las capturas de esponja en Cuba evidencian disminuciones que obligan a mantener un enfoque precautorio y velar por el estricto cumplimiento de las medidas regulatorias.
Alexander Lopeztegui-Castillo +2 more
doaj
El pejerrey Odontesthes bonariensis (Actinopterygii; Atherinopsidae) es un recurso pesquero relevante en varios países sudamericanos. En Argentina, su pesca permite la obtención de un importante volumen de proteína en numerosos ambientes acuáticos.
Miguel Mancini +5 more
doaj +1 more source
Report of the Inter-American Tropical Tuna Commission for the year 1952 [PDF]
ENGLISH: The Inter-American Tropical Tuna Commission, established by a Convention between the United States and Costa Rica, has as its purpose the collection and interpretation of information which will facilitate maintaining, at levels of maximum ...
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Nutrient and light availability control food webs and fish larvae in the Peruvian upwelling system
Abstract Upwelling ecosystems sustain some of the world's most productive fisheries by supplying deep‐water nutrients to the sunlit ocean surface. Yet, how spatiotemporal variability in nutrient‐upwelling and light availability regulates trophic transfer to fish remains poorly understood. We investigated these dynamics in a 36‐d mesocosm experiment off
Silvan Urs Goldenberg +9 more
wiley +1 more source
La central hidroeléctrica Zimapán, construida en 1995, fue el primer proyecto en aprovechar las aguas residuales de la Ciudad de México para generar energía eléctrica.
Omar Rivera-Cervantes +3 more
doaj +1 more source
The food of the larvae of the northern anchovy Engraulis mordax [PDF]
ENGLISH: Hitherto the only investigation dealing with the food and feeding of the larvae of the northern anchovy, Engraulis mordax Girard, was that of Arthur (1956).
Berner, Jr., Leo
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Stomach flushing technique applied to quantify microplastics in Crocodilians
The impact of microplastics on wildlife is a recent problem for which methods to evaluate exposure still need development. Being able to identify and quantify microplastics (particles < 5 mm) in the gastric contents of live crocodiles allows us to ...
Mauricio Gonzalez-Jauregui +5 more
doaj +1 more source
Latitudinal changes in the euphausiid assemblages were compared to the morphological structure (size and compactness) of the sound scattering layer (SSL) during ten 24-h surveys made in October 1994 along the west coast of Baja California, México. During
J. Gómez-Gutiérrez +3 more
doaj +1 more source

