Results 31 to 40 of about 3,867 (185)

A DNA Barcode Dataset for the Aquatic Fauna of the Panama Canal: Novel Resources for Detecting Faunal Change in the Neotropics

open access: yesData
DNA metabarcoding is a powerful biodiversity monitoring tool, enabling simultaneous assessments of diverse biological communities. However, its accuracy depends on the reliability of reference databases that assign taxonomic identities to obtained ...
Kristin Saltonstall   +40 more
doaj   +1 more source

MAJOR PROJECTS THAT INFLUENCE WORLD TRADE [PDF]

open access: yesGlobal Economic Observer, 2014
In 1869, with the opening of the Suez Canal, world trade entered a new era of development. The commercial routes linking the Far East to the western countries were shortened considerably as compared to the maritime corridor around the Cape of Good Hope.
GEORGE CORNEL DUMITRESCU
doaj  

Giants in the cold: Morphological evidence for vascular heat retention in the viscera but not the skeletal muscle of the basking shark (Cetorhinus maximus)

open access: yesJournal of Fish Biology, EarlyView.
Abstract Fewer than 50 of the over 30,000 extant species of fishes have developed anatomical specializations facilitating endothermy in specific body regions. The plankton‐feeding basking shark (Cetorhinus maximus), traditionally classified as an ectotherm, was recently shown to have regionally endothermic traits such as centralized red muscle (RM ...
C. Antonia Klöcker   +9 more
wiley   +1 more source

Distribution modelling for Neotropical freshwater stingrays Potamotrygon brachyura and Potamotrygon motoro (Myliobatiformes, Potamotrygonidae) in the Uruguay River basin

open access: yesJournal of Fish Biology, EarlyView.
Abstract This study aimed to identify geographical distribution patterns of the giant short‐tailed river stingray Potamotrygon brachyura and the motoro stingray Potamotrygon motoro in the Uruguay River basin. Data on presence/absence of stingrays were based on fishers' knowledge accessed by interviews through expeditions in Brazil, Argentina and ...
Danilo Araujo Soares Pereira   +2 more
wiley   +1 more source

Wildlife rescue and relocation efforts associated with the Panamá Canal Third Locks Expansion Project

open access: yesTropical Zoology, 2019
Since the ceding of the Panamá Canal from the United States to the Republic of Panamá in 1999, human development has accelerated in Panamá, resulting in the loss of habitat and declines in wildlife populations.
Jennifer L. Swan   +3 more
doaj  

Law and Infrastructure: Reliability, Automation Transition, and Irregularities of “U‐Space”

open access: yesRegulation &Governance, EarlyView.
ABSTRACT The European Union (EU) is making regulatory efforts to allow for the safe integration of drones into civilian airspace through automated means. Commission Implementing Regulation (EU) 2021/664 concerning unmanned traffic management (a system referred to as “U‐Space”) furthers that commitment. Accordingly, drone operators must avail themselves
Samar Abbas Nawaz
wiley   +1 more source

A Description of Pocobletus Coroniger Simon (Araneae, Linyphiidae)

open access: yesPsyche: A Journal of Entomology, 1969
More than thirty years ago I began finding this species in my coIlections from localities in the Panama Canal Zone. For many years they were regarded as representatives of a new genus.
Arthur M. Chickering
doaj   +1 more source

The Impacts of Weather Variability and Shocks on Farmers and Indigenous Peoples' Consumption: Evidence From Panama

open access: yesReview of Development Economics, EarlyView.
ABSTRACT Weather variability and shocks pose significant challenges for tropical developing countries, making it crucial to understand their effects on consumption to address the existing deficiencies among the most vulnerable groups. This study examines the impact of weather variability and shocks on household consumption in Panama, utilizing repeated
Ambar Lineth Chavez Espinosa   +1 more
wiley   +1 more source

CUERPOS DE PASO: capital, raza y género en el Canal de Panamá (una cuestión de realismos)/ PASSING BODIES: Capital, Race and Gender in the Panama Channel (A Question of Realism)

open access: yesRevista Brasileira do Caribe, 2012
Este artigo analisa os romances que sucedem na zona do canal, em Panamá: Canal Zone (1935), do ecuatoriano Demetrio Aguilera-Malta, e Luna verde (1950) do panamenho Joaquín Beleño.
Daniel Noemi Voionmaa
doaj  

Climate Data Agency: Intra‐Active Knowledge Production Between the Human and Non‐Human World

open access: yesTransactions of the Institute of British Geographers, EarlyView.
Short Abstract In this intervention, we engage with Karen Barad's agential‐realist concept of intra‐action to explore how knowledge about climate emerges from the intra‐active entanglements between climate scientists and nature through processes of data collection, representation and interpretation.
Stefan Brönnimann, Jeannine Wintzer
wiley   +1 more source

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