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182 results for “Galapagos”
Fig. 3 in A new lineage of Galapagos giant tortoises identified from museum samples
Fig. 3 Bayesian Inference maximum clade credibility cladogram showing relationships among the San Cristóbal historical samples from the cave and collected alive in 1906, and a reference dataset of 93 Galapagos giant tortoise haplotypes and three outgroups based on the mitochondrial control region (alignment length 718 bp), estimated using BEAST with a strict clock and Birth Death tree. The numbers on the branches are the posterior probability support values. § indicates the C. chathamensis type specimen. The name of the island where each clade is found is in capitals, with current taxonomy in italics.
Fig. 1 in A new lineage of Galapagos giant tortoises identified from museum samples
Fig. 1 Map of the Galapagos Archipelago, indicating the locations of each Chelonoidis species, with San Cristóbal Island enlarged in the inset map. Island names are in capital letters. The approximate location of the cave where the bones were found in 1906 is marked, as is the approximate location where CAS 8133 was collected alive and the region of Punta Pitt.
Fig. 1 in From Galapagos doves to passerines: Spillover of Haemoproteus multipigmentatus
Fig. 1. Map of the Galapagos Islands indicating sampling sites during our haemosporidian survey 2013‾2015. Prevalence percentages are provided only for those sites where Haemoproteus multipigmentatus was found.
Fig. 2. a in From Galapagos doves to passerines: Spillover of Haemoproteus multipigmentatus
Fig. 2. a. Mean prevalence of Haemoproteus multipigmentatus in passerines on sampling sites on Santiago. b. Mean relative abundance of doves and passerines on sampling sites on Santiago. Bars indicate standard error. (Sullivan was sampled only in 2014 and 2015).
Linked collectors and determiners for: Two new endemic species of Chrysopodes (Neosuarius) (Neuroptera, Chrysopidae) from the Galapagos Islands.
Natural history specimen data linked to collectors and determiners held within, "Two new endemic species of Chrysopodes (Neosuarius) (Neuroptera, Chrysopidae) from the Galapagos Islands". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/a05d10ec-8ed6-48d0-acce-66810d5a714b">https://bionomia.net/dataset/a05d10ec-8ed6-48d0-acce-66810d5a714b</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/a05d10ec-8ed6-48d0-acce-66810d5a714b">https://gbif.org/dataset/a05d10ec-8ed6-48d0-acce-66810d5a714b</a>. Formatted as a Frictionless Data package.
Suppl. figures of otoliths of pelagic shorefish larvae captured over the Galapagos Rift for Victor, B.C. (2023) Rapid long-distance multispecies transport of shorefish larvae to the oceanic tropical eastern Pacific, revealed by DNA-barcodes and otolith aging of larvae captured over the Galapagos Rift
<p>Supplementary figures of otoliths of pelagic shorefish larvae captured over the Galapagos Rift</p> <p>Victor, B.C. (2023)</p> <p><strong>Rapid long-distance multispecies transport of shorefish larvae to the oceanic tropical eastern Pacific, revealed by DNA-barcodes and otolith aging of larvae captured over the Galapagos Rift</strong></p> <p>in volume: Early Life History and Biology of Marine Fishes: Research inspired by the work of H Geoffrey Moser</p> <p>Figure Sup A1 Sagittal otolith of 5.9 mm SL Stegastes sp. fish larva (Pomacentridae) captured over the Galapagos Rift, age since hatching is 23 days.</p>
Suppl. figures of pelagic shorefish larvae captured over the Galapagos Rift for Victor, B.C. (2023) Rapid long-distance multispecies transport of shorefish larvae to the oceanic tropical eastern Pacific, revealed by DNA-barcodes and otolith aging of larvae captured over the Galapagos Rift
<p>Supplementary figures of pelagic shorefish larvae captured over the Galapagos Rift</p> <p>Victor, B.C. (2023)</p> <p><strong>Rapid long-distance multispecies transport of shorefish larvae to the oceanic tropical eastern Pacific, revealed by DNA-barcodes and otolith aging of larvae captured over the Galapagos Rift</strong></p> <p>in volume: Early Life History and Biology of Marine Fishes: Research inspired by the work of H Geoffrey Moser</p> <p>Figure S1 Gobioid fish larvae captured over the Galapagos Rift.</p> <p>Figure S2 Labrid fish larvae captured over the Galapagos Rift.</p> <p>Figure S2. Pomacentrid fish larvae captured over the Galapagos Rift.</p> <p>Figure S4 Lythrypnus sp 5.4 mm SL fish larva captured over the Galapagos Rift.</p> <p>Figure S4a Lythrypnus sp 5.4 mm SL fish larva (head) captured over the Galapagos Rift.</p> <p>Figure S5 Abudefduf troschelii 7.3 mm SL fish larva captured over the Galapagos Rift.</p> <p>Figure S6 Chaetodon humeralis 8.9 mm SL fish larva captured over the Galapagos Rift.</p> <p>Figure S7 Gerreidae 10.6 mm SL fish larva captured over the Galapagos Rift.</p> <p>Figure S8 Neoniphon suborbitalis 6.8 mm SL fish larva captured over the Galapagos Rift.</p> <p>Figure S9 Ophioblennius steindachneri 10.6 mm SL fish larva captured over the Galapagos Rift.</p> <p>Figure S9a Ophioblennius steindachneri 10.6 mm SL fish larva (head) captured over the Galapagos Rift.</p> <p>Figure S9b Ophioblennius steindachneri 10.6 mm SL fish larva (ventral) captured over the Galapagos Rift.</p> <p>Figure Sup10 Sphoeroides lobatus 12.0 mm SL fish larva captured over the Galapagos Rift.</p>
Fig. 36 in New Genera and Species of Weevils from the Galapagos Islands, Ecuador, and Cocos Island, Costa Rica (Coleoptera; Curculionidae; Entiminae; Entimini)
Fig. 36. Coconotus tuberculatus Anderson and Lanteri, dorsal habitus, female.
Figs. 1–2 in New Genera and Species of Weevils from the Galapagos Islands, Ecuador, and Cocos Island, Costa Rica (Coleoptera; Curculionidae; Entiminae; Entimini)
Figs. 1–2. Galapagonotus cuneiformis (Waterhouse), female. 1, Lateral habitus; 2, dorsal habitus.
Figure 2 in Some Ceratozetoidea species (Acari: Oribatida: Ceratozetidae, Humerobatidae) from the Galapagos Islands
Figure 2 Ceratozetes yupanquin. sp., adult: ventral aspect (legs not shown). Scale bar 100 µm.
Microsatellite genotypes for temporal monitoring of the Floreana Island Galapagos Giant Tortoise captive breeding program
<p><span>Captive breeding programs benefit from genetic analyses that identify relatedness between individuals, assign parentage to offspring, and track levels of genetic diversity. Monitoring these parameters across breeding cycles is critical to the success of a captive breeding program as it allows conservation managers to iteratively evaluate and adjust program structure. However, in practice, genetic tracking of breeding outcomes is rarely conducted. Here, we examined the first three offspring cohorts (2017 – 2020) of the genetically-informed captive breeding program for the Floreana Island Galapagos giant tortoise, </span><em><span>Chelonoidis niger</span></em><span>. This captive breeding program is unique as the Floreana tortoise has been extinct since the 1800s, but its genome </span><span>persists, in part, in the form of living hybrids with the extant Volcano Wolf tortoise, <em>Chelonoidis becki</em>. Breeding over the study period took place at the Galapagos National Park Directorate breeding facility in four corrals, each containing three females and two males. Using 17 microsatellite markers, we were able to assign parentage to 94 of the 98 offspring produced over the study period. </span><span>We observe that despite the addition of more founders since the pilot breeding program, the effective population size remains low, and changes to the arrangements of breeding corrals may be necessary to encourage more equal reproductive output from the males. </span><span>This study demonstrates the value of hybrids for species restoration and the importance of continually reassessing the outcomes of captive breeding. </span></p>
Data obtained during classification of intertidal habitats using UAV imagery in the Galapagos Archipelago (Orthophotos, digital elevation models (DEM) and orthophoto-draped 3D models)
<p>In the repository 5 folders exist. 1) Digital elevation models (DEMs), 2) Intertidal habitat map, 3) Othophoto draped 3D models, 4) Orthophotos, and 5) Processing reports. The data has been collected in Puerto Ayora at Santa Cruz in August 2017, the most urbanized island of the Galapagos Archipelago. The purpose of this study was to investigate the image classification opportunities for these intertidal habitats using Uncrewed Aerial Vehicle (UAV) imagery. This dataset is cited in an open-access publication: https://doi.org/10.3390/drones7070416. </p>
Raw data from: Environmental variation structures reproduction and recruitment in long-lived mega-herbivores: Galapagos Giant Tortoises
<p>Understanding drivers of vital rates is important for testing life history theory, predicting population dynamics, and guiding conservation. Migratory, long-lived animals are important to life history theory because they present an extreme among trade-offs in vital rates: delayed maturity, low fecundity, variable recruitment rates, and long generation times. Understanding how vital rates respond to environmental variation has been elusive for such species because of difficulties in studying wide-ranging animals over extended periods. Populations that live on elevation gradients can provide tractable study systems because considerable environmental change occurs over small geographic distances. Galapagos tortoises are an iconic example; they are long-lived, migrate seasonally, face multiple anthropogenic threats, and have cryptic early life history stages for which vital rates are unknown. From 2012–2021, we studied the reproductive ecology of two species of Galapagos tortoises along elevation gradients that coincided with substantial change in climate and vegetation productivity. Specifically, we 1) measured physical and reproductive condition of adult females, 2) tracked the movements of 33 adult females using GPS telemetry, and re-located them seasonally to measure condition, 3) recorded nest temperatures, clutch characteristics, and egg survival from 107 nests, and 4) used radio telemetry to re-locate 104 hatchlings to monitor growth, survival, and movements. We also monitored temperature, rainfall, and primary productivity from field and remotely sensed data along the elevation gradient. Adult females were either elevational migrants or year-round lowland residents. Migrants had higher body condition than residents, and body condition was positively correlated with fecundity. Nests occurred in the hottest, driest part of the tortoise's range, between 6–165m elevation. Clutch size increased with elevation, egg survival declined, and hatchling survival and growth were highest at intermediate elevations. Hatchlings dispersed rapidly between 100–750 m from their nests before becoming sedentary in ranges <0.05 ha. Environmental variability mediated by elevation influenced adult fecundity and juvenile recruitment. Predicted future climates will profoundly impact the relationships between elevation and vital rates of Galapagos tortoises and other species living on elevation gradients. Resilience will be maximized by ensuring connectivity of foraging and reproductive areas within current and possible future elevational ranges of these species.</p>
Raw data containing microsatellite genotypes and otolith microchemistry data for Lutjanus argentiventris individuals from Galapagos (Ecuador) and the Gulf of California (Mexico)
<p>The dataset contains the raw microsatellite genotypes and otolith microchemistry data for yellow snapper (Lutjanus argentiventris) individuals from Galapagos (Ecuador) and the Gulf of California (Mexico), described in the journal publication:</p> <p>Cavole LM, Munguia-Vega A, Miller JA, Salinas-de-Leon P, Marin Jarrin JR, Johnson AF, Laplane ER, Giron-Nava A, Aburto-Oropeza O (2023) Combining otolith chemistry and genetics to infer the population structure of yellow snapper <em>Lutjanus argentiventris. </em>Ecosphere.</p> <p> </p> <p> </p>
Data from: El Niño drives a widespread ulcerative skin disease outbreak in Galapagos marine fishes
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Whole-genome sequencing confirms multiple species of Galapagos giant tortoises
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Suckling observations of Galapagos sea lions
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Microsatellite genotypes for temporal monitoring of the Floreana Island Galapagos Giant Tortoise captive breeding program
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Synteny enabled upgrade of the Galapagos giant tortoise genome improves inferences of runs of homozygosity
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Raw data from: Environmental variation structures reproduction and recruitment in long-lived mega-herbivores: Galapagos Giant Tortoises
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