Results 41 to 50 of about 18,359 (139)

Dynamic Downscaling of the Impact of Climate Change on the Ocean Circulation in the Galápagos Archipelago

open access: yesAdvances in Meteorology, 2013
The regional impact of global climate change on the ocean circulation around the Galápagos Archipelago is studied using the Hybrid Coordinate Ocean Model (HYCOM) configured for a four-level nested domain system.
Yanyun Liu   +3 more
doaj   +1 more source

Urban Land Cover Change in Ecologically Fragile Environments: The Case of the Galapagos Islands

open access: yesLand, 2018
The Galapagos Islands are a unique sanctuary for wildlife and have gone through a fluctuating process of urbanization in the three main inhabited islands. Despite being colonized since the 1800s, it is during the last 25 years that a dramatic increase in
Fátima L. Benítez   +2 more
doaj   +1 more source

Perceptions and attitudes of residents toward small-scale longline tuna fishing in the Galapagos Marine Reserve: conservation and management implications

open access: yesFrontiers in Marine Science, 2023
Longlining represents a cost-effective fishing modality for catching tuna, but its use is contentious due to the unintended catch of endangered, threatened, and protected (ETP) species.
Mauricio Castrejón, Omar Defeo
doaj   +1 more source

Seed dispersal networks in the Galápagos and the consequences of alien plant invasions

open access: yes, 2015
Alien plants are a growing threat to the Galápagos unique biota. We evaluated the impact of alien plants on eight seed dispersal networks from two islands of the archipelago. Nearly 10 000 intact seeds from 58 species were recovered from the droppings of
Vargas, Pablo   +4 more
core   +1 more source

Equatorial Undercurrent Influence on Surface Seawater δ18O Values in the Galápagos

open access: yesGeophysical Research Letters, 2023
Stable isotopes of oxygen (δ18O) in seawater reflect the combined influences of ocean circulation and atmospheric moisture balance. However, it is difficult to disentangle disparate ocean and atmosphere influences on modern seawater δ18O values, partly ...
Jessica L. Conroy   +7 more
doaj   +1 more source

Haemosporidian parasite community in migrating bobolinks on the Galapagos Islands

open access: yesInternational Journal for Parasitology: Parasites and Wildlife, 2018
Bobolinks (Dolichonyx oryzivorus) migrate from their breeding grounds in North America to their wintering grounds in South America during the fall each year. A small number of Bobolinks stop temporarily in Galapagos, and potentially carry parasites.
Noah G. Perlut   +3 more
doaj   +1 more source

Evolutionary History of the Galápagos Rail Revealed by Ancient Mitogenomes and Modern Samples

open access: yesDiversity, 2020
The biotas of the Galápagos Islands are one of the best studied island systems and have provided a broad model for insular species’ origins and evolution.
Jaime A. Chaves   +6 more
doaj   +1 more source

Cotton-Tipped Plastic Swabs for SARS-CoV-2 RT-qPCR Diagnosis to Prevent Supply Shortages

open access: yesFrontiers in Cellular and Infection Microbiology, 2020
CDC and WHO guidelines for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) diagnosis only recommend synthetic fiber swabs for nasopharyngeal (NP) sampling.
Byron Freire-Paspuel   +6 more
doaj   +1 more source

Descripción inicial de la dieta de la tortuga gigante de la Isla Santiago (Chelonoidis darwini), Galápagos, Ecuador

open access: yes, 2020
Dentro de la Iniciativa de Restauración de Tortugas Gigantes, se realizó la primera descripción de la dieta en estado silvestre de Chelonoidis darwini, especie de tortuga gigantes endémica de la Isla Santiago.
Pillajo Montesdeoca, Pamela Salomé
core   +1 more source

Temporal comparison of coral reefs in the Galápagos using differential alignment of 3D models and Machine-Learning

open access: yesEcological Indicators
Underwater photogrammetry is a popular tool for coral community surveys, however, comparing 3D maps over time requires a complicated set of operations. Primarily, it is difficult to align dynamic scenes in order to visualize and measure changes because ...
Matan Yuval, Inti Keith
doaj   +1 more source

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