Results 61 to 70 of about 13,342 (206)

Evidence for a by‐product mutualism in a group hunter depends on prey movement state

open access: yesFunctional Ecology, Volume 38, Issue 10, Page 2123-2138, October 2024.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Group‐hunting animals have been shown to engage their prey in long pursuits (kms) to increase capture success, but the evidence for this is limited to a few terrestrial species.
K. Pacher   +13 more
wiley   +1 more source

La cooperación como proceso: construcción de la etnografía institucional en Bangladesh

open access: yesEconomía, Sociedad y Territorio, 2001
El texto presenta una investigación acerca de las relaciones entre las diferentes organizaciones que participan en los proyectos de desarrollo, tomando como caso de estudio un proyecto de acuacultura en Bangladesh.
DAVID LEWIS
doaj   +3 more sources

Diet composition of fish species from the southern continental shelf of Colombia [PDF]

open access: yes, 2002
The diet composition of 30 fish species belonging to 16 families from the Pacific Coast of Colombia is described. Benthic crustaceans (37.5%) and bony fishes (23.7%, chiefly demersal) were the most important food items for the fish species analyzed. Data
Arcila, C.A.T., Lopez-Peralta, R.H.
core  

The Multiphasic Teeth of Chiton Articulatus, an Abrasion‐Resistant and Self‐Sharpening Tool for Hard Algae Collection

open access: yesAdvanced Functional Materials, Volume 34, Issue 33, August 14, 2024.
Investigation of the ultrahard teeth of a mollusk find in the tropical Pacific reveals the presence of multiple phases of iron oxide as well as calcium phosphate, with highly tuned microstructural features. The combination of these features results in an abrasion‐resistant tough structure with a self‐sharpening ability, which contribute to developing ...
Devis Montroni   +15 more
wiley   +1 more source

Evaluación financiera de producción de pejelagarto (atractosteus tropicus): Caso cooperativa de producción pesquera acuícola "El pejelagarto", S.C. de R.L. [PDF]

open access: yes, 2011
Se evalúo la rentabilidad de la producción de pejelagarto (Atractosteus tropicus) en dos modalidades de cultivo, en condiciones de cautiverio y en cautiverio en asociación con la mojarra castarrica y tilapia en la Sociedad Cooperativa de Producción ...
FIGUEROA HERNANDEZ, ESTHER   +7 more
core  

Global mismatches between threat mapping research effort and the potential of threat abatement actions to reduce extinction risk

open access: yesConservation Biology, Volume 38, Issue 4, August 2024.
Abstract Threat mapping is a necessary tool for identifying and abating direct threats to species in the ongoing extinction crisis. There are known gaps in the threat mapping literature for particular threats and geographic locations, and it remains unclear if the distribution of research effort is appropriately targeted relative to conservation need ...
Francesca A. Ridley   +5 more
wiley   +1 more source

Cultivo del pargo de la mancha Lutjanus guttatus (pisces: Lutjanidae) en jaulas flotantes.

open access: yesUniciencia, 1998
En dos ensayos paralelos realizados frente a Playa Pájaros, en el Golfo de Nicoya, se engordaron pargos manchados (Lutjanus guttatus) obtenidos del medio hasta 275 y 485 g, respectivamente, usando fauna de descarte obtenida de barcos camaroneros. La tasa
Ricardo Gutiérrez Vargas   +1 more
doaj  

Size at sexual maturity, seasonal variation by maturity stages, and fecundity of the spotted round ray (Urobatis maculatus) and the thorny stingray (Urotrygon rogersi) from the northern tropical eastern Pacific

open access: yesJournal of Fish Biology, Volume 104, Issue 5, Page 1587-1602, May 2024.
Abstract Round rays (family: Urotrygonidae) are commonly caught as by‐catch by shrimp trawl fisheries in the tropical eastern Pacific (TEP). However, little information on their life history and catch species composition exists for most round ray species, preventing the evaluation of the impact of fishing on their populations.
Alain García‐Rodríguez   +5 more
wiley   +1 more source

“DETERMINACIÓN EXPERIMENTAL DE LA VELOCIDAD DE CAÍDA DE SEDIMENTOS COHESIVOS EN SUSPENSIÓN [PDF]

open access: yes, 2013
Los sistemas de recirculación para acuacultura presentan el problema de la remoción de sólidos en suspensión. Estos sólidos presentan un comportamiento cohesivo, forman folículos o agregados que tienen características de sedimentación muy diferentes a ...
García Aragón, Juan Antonio   +1 more
core  

Assessing shorebird mortalities due to razor clam aquaculture at key migratory stopover sites in southeastern China

open access: yesConservation Biology, Volume 38, Issue 2, April 2024.
Abstract Aquaculture can provide foraging habitat for birds, but it can also result in intentional and accidental mortality. We examined an overlooked conflict between razor clam (Sinonovacula spp.) aquaculture and declining shorebirds in southeastern China's Fujian and Zhejiang provinces.
Dan Liang   +10 more
wiley   +1 more source

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