Results 1 to 10 of about 34,592 (135)

First Confirmed Record of a Bull Shark in Lake Gatun, the Freshwater Body of the Panama Canal [PDF]

open access: yesEcology and Evolution
Bull Sharks are circumtropical top predators able to tolerate a wide range of salinity conditions that include freshwater. In several areas of Central America this species is known to migrate upstream in rivers and is commonly found in freshwater.
Gustavo A. Castellanos‐Galindo   +7 more
doaj   +2 more sources

The role of toponymic periphrasis in developing professional competence in learning Spanish [PDF]

open access: yesTraining, Language and Culture, 2020
In this article the authors investigate the toponymical periphrasis, or toponymical metaphors of two Spanish speaking countries: Peru and Panama, and determine various aspects of their static and dynamic.
Olga S. Chesnokova   +2 more
doaj   +1 more source

Description of a new Panamanian species of Phyllophaga Harris, 1827 (Coleoptera: Scarabaeidae: Melolonthinae: Rhizotrogini) of the orosina species group.

open access: yesRevista Chilena de Entomología, 2023
Phyllophaga clavijobustosi sp. nov. from Santa Fe National Park, Veraguas province, Panama is described. The adult, diagnostic characters and distribution map are illustrated.
Manuel D. Barria   +2 more
doaj   +1 more source

Thirty-two years of mangrove forest land cover change in Parita Bay, Panama

open access: yesForest Science and Technology, 2021
Mangrove forests have experienced a rapid decline. However, the rate of loss has decreased in recent years due to enhanced conservation and nature regeneration.
Yoisy Belen Castillo   +2 more
doaj   +1 more source

What Are These Countries Doing Here? Analyzing Transparency in the Current Flag of Convenience Regime and Their Impact on Shipping in the Arctic

open access: yesNordicum-Mediterraneum, 2021
As countries such as the Russian Federation begin the exploration and development of alternative sea routes in the Arctic due to climate change, the private shipping industry has also begun to focus on the region.
Jonathan Wood   +2 more
doaj   +1 more source

The irruption of the political after the pandemic: The case of Panama

open access: yesÍconos, 2023
This article analyzes the emergence of new political agendas as a result of the social mobilization that took place in Panama during the pandemic and how these were finally translated into a new institution for the negotiation of public policies – The ...
Sergio García-Rendón, Jon Subinas
doaj   +1 more source

Gestión de editoriales universitarias y la transferencia estratégica de conocimiento en Panamá

open access: yesSignos, 2021
The researchaims to identify a competitive management model in the management of university publishing houses and the strategic transfer of knowledge in Panama, consistent with the mission of Panamanian public universities and with the dissemination of ...
Libia Batista de Muñoz
doaj   +1 more source

Adhesion and running speed of a tropical arboreal ant (Cephalotes atratus) on wet substrates [PDF]

open access: yesRoyal Society Open Science, 2018
In the tropical forest canopy, wingless worker ants must cling to and run along diverse vegetative surfaces with little protection from sun, wind and rain.
Alyssa Y. Stark, Stephen P. Yanoviak
doaj   +1 more source

Fisheries and biology of Coryphaena hippurus (Pisces: Coryphaenidae) in the Pacific coast of Colombia and Panama

open access: yesScientia Marina, 1999
The fisheries and biology of the dolphinfish Coryphaena hippurus were studied between August 1994 and December 1996, using data obtained from the fishery fleet that operates in the area known as Panama Bight.
Jairo Lasso, Luis Zapata
doaj   +1 more source

Description of a new species of Chrysina Kirby, 1828 (Coleoptera: Scarabaeidae: Rutelinae) from optima group, based on morphological characters and mtDNA COX I molecular marker

open access: yesActa Biologica Sibirica, 2019
A new species of the genus Chrysina Kirby, 1828 is decribed from Panama. Chrysina valentini sp.n. is related to Chrysina tricolor (Ohaus, 1922) and Chrysina optima (H. W. Bates, 1888) in morphology and mtDNA COX I molecular marker.
A.S. Zubov   +3 more
doaj   +1 more source

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