Results 21 to 30 of about 54,702 (145)

Estimation of the abundance of yellowfin tuna, Thunnus albacares, by age groups and regions within the Eastern Pacific Ocean [PDF]

, 1991
ENGLISH: Monthly estimates of the abundance of yellowfin tuna by age groups and regions within the eastern Pacific Ocean during 1970-1988 are made, using purse-seine catch rates, length-frequency samples, and results from cohort analysis.
Deriso, Richard B., Punsly, Richard G.
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Aquaponics: A Sustainable Food Production System That Provides Research Projects for Undergraduate Engineering Students [PDF]

, 2013
Aquaponics is a closed-loop, recirculating water system in which plants and fish grow together mutualistically. Aquaponics resembles a natural river or lake basin in which fish waste serves as nutrients for the plants, which in turn clean the water for ...
Cariapa, Vikram, Marklin, Richard W., Jr., Mathison, Margaret, Mayer, Brooke, Nagurka, Mark L., Schabelski, Jay   +5 more
core   +1 more source

Mapping area of habitat for inland wetland species

Conservation Biology, Volume 40, Issue 1, February 2026.
Abstract Area of habitat (AOH) maps provide a high‐resolution representation of the habitat available in a species’ range and can support conservation policy and planning processes. However, until recently, there was insufficient knowledge on the distribution of inland wetlands and freshwater biodiversity to develop AOH mapping methods specifically ...
Francesca A. Ridley, Catherine A. Sayer, Louise Mair, Daniele Baisero, Monika Böhm, Thomas M. Brooks, Stuart H. M. Butchart, Viola Clausnitzer, Jeorg Freyhof, Günther Grill, Ian Harrison, Randall R. Jiménez, Bernhard Lehner, Nicholas B. W. Macfarlane, Andrew J. Plumptre, Arnout van Soesbergen, Thomas A. Worthington, Thomas Starnes   +17 more
wiley   +1 more source

Incidencia de los virus de la enfermedad de linfocistis (LCDV-Sa), papillomavirus (SaPV1) y poliomavirus (SaPyV1) en doradas cultivadas en el área mediterránea [PDF]

, 2018
La enfermedad de linfocistis (LCD), causada por el virus de la enfermedad de linfocistis (LCDV), es una patología común descrita en más de 150 especies de peces en todo el mundo, siendo la enfermedad de etiología viral más frecuentemente detectada en las
Alejo, Alí, Borrego-Garcia, Juan Jose, Castro-Lopez, Maria Dolores, Labella, Alejandro, Leiva, Rocío   +4 more
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Threshold responses of floating meadow fish communities to floodplain forest cover in the lower Amazon River

Conservation Biology, Volume 39, Issue 6, December 2025.
Abstract Forest cover is positively associated with fish biomass and fisheries yield in the Amazon River floodplain, and many species enter flooded forests to feed, spawn, or seek refuge from predation. Floating macrophyte beds, known as floating meadows, in Amazon floodplains support high fish diversity and serve as nursery habitat for many fishes of ...
Sam Grinstead, Caroline C. Arantes, Kirk O. Winemiller, Leslie C. Kelso‐Winemiller, Jonas Alves de Oliveira, Miguel Petrere Jr, Carlos E. C. Freitas   +6 more
wiley   +1 more source

Comparación de la riqueza y abundancia de peces arrecifales criptobentónicos en microhábitats coralinos y rocosos en Bahía de los Ángeles, Golfo de California

Ciencias Marinas
Los ecosistemas rocosos-coralinos poseen hábitats altamente heterogéneos y comunidades de peces funcionalmente diversas. En estos ecosistemas, los microhábitats coralinos juegan un papel importante al proporcionar un subconjunto de los recursos ...
Luis M Jáquez-Domínguez, Rodrigo D Chiriboga-Ortega, Lydia B Ladah, Luis E Calderón-Aguilera, Omar Valencia-Méndez   +4 more
doaj   +1 more source

Report of the Inter-American Tropical Tuna Commission for the year 2008 [PDF]

, 2010
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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La sedimentación litoral y continental durante el Cretácico inferior. Sinclinal de Galve, Teruel

Estudios Geologicos, 1987
El objetivo de este trabajo es la reconstrucción del contexto paleoambiental en el cual se encuentran los arcosaurios de Galve. Los restos de arcosaurios son muy frecuentes en los 500 m basales de la sucesión estratigráfica del Cretácico Inferior.
M. Díaz Molina, A. Yébenes
doaj   +1 more source

A review of the population structure of yellowfin tuna, Thunnus albacares, in the Eastern Pacific Ocean [PDF]

, 1964
ENGLISH: Since its inception in 1950 by agreement between the Republic of Costa Rica and the United States of America, the Inter-American Tropical Tuna Commission has been engaged in studies of the biology, ecology and population dynamics of yellowfin ...
Alverson, Franklin G., Davidoff, Edwin B., Fink, Bernard D., Joseph, James   +3 more
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Reciprocal contributions: Indigenous perspectives and voices on marine‐coastal experiences in the channels of northern Patagonia, Chile

People and Nature, Volume 7, Issue 5, Page 1086-1098, May 2025.
Abstract The recovery of marine ecosystems in areas heavily impacted by fishing and environmental exploitation depends, to some extent, on the sustainable management of resources and should be complemented by cultural traditions, practices and scientific knowledge.
Ricardo Alvarez, Daniel Caniullán, Juan Catín, Pérsida Cheuquenao, Yohana Coñuecar, Florencia Diestre, Pedro Jara, Nelson Millatureo, Darly Vargas, Jaime Ojeda   +9 more
wiley   +1 more source