Find research datasets worth reusing

opencc-by-4.0Oct 2022View details →

Figure 3 in Gene Flow Patterns of the Aedes aegypti (Diptera: Culicidae) Mosquito in Colombia: a Continental Comparison Suggests Multiple Invasion Routes and Gene Exchange

Figure 3. Representation of the gene-flow model with greater subsequent probability in the scenarios of the Americas and South America.A. Scale at American continent level (N = 2,996 specimens from six locations: Mexico–North America, Venezuela, Peru, Brazilian Amazon, southeastern Brazil, and Colombia. Within the continent context, the Stepping Stone 1 model shows through the green vectors the way the gene flow occurs among the different populations evaluated. B. Scale at South America level; the Full-migration model indicates migration among all the populations, hence, plotting of the potential migration routes through passive land transport (Pan-American highway) and riverine paths (principal rivers).

Figure 4 in Going up: new altitudinal records of orchid bees (Hymenoptera: Apidae) in the inter-Andean valleys of southern Ecuador and their potential dispersal route

Figure 4. Potential dispersal route from the west lowlands of the Andes in Azuay province to the inter-Andean valleys of southern Ecuador. / Posible ruta de dispersión desde las tierras bajas occidentales de los Andes en la provincia de Azuay hasta los valles interandinos del sur de Ecuador.

Figure 3 in Going up: new altitudinal records of orchid bees (Hymenoptera: Apidae) in the inter-Andean valleys of southern Ecuador and their potential dispersal route

Figure 3. New collected females of Euglossa (Euglossa) cf. charapensis. A. Lateral view of specimen collected in Cuenca. B. Lateral view of specimen collected in Gualaceo. C. Dorsal view of specimen collected in Cuenca.D. Lateral view of specimen collected in Gualaceo. / Nuevas hembras recolectadas de Euglossa (Euglossa) cf. charapensis. A. Vista lateral de ejemplares recolectados en Cuenca. B. Vista lateral de ejemplares recolectados en Gualaceo. C. Vista dorsal de ejemplares recolectados en Cuenca. D. Vista lateral de ejemplares colectados en Gualaceo.

Figure 2 in Going up: new altitudinal records of orchid bees (Hymenoptera: Apidae) in the inter-Andean valleys of southern Ecuador and their potential dispersal route

Figure 2. Male of Eulaema (Apeulaema) polychroma collected in Cuenca. A. Lateral view. B. Dorsal view. C. Face. D. Detail of tufts presents in the middle tibia. / Macho de Eulaema (Apeulaema) polychroma recolectado en Cuenca. A. Vista lateral. B. Vista dorsal. C. Cara. D. Detalle de mechones presentes en la tibia media.

Figure 1. A in Going up: new altitudinal records of orchid bees (Hymenoptera: Apidae) in the inter-Andean valleys of southern Ecuador and their potential dispersal route

Figure 1. A. Map showing new localities for Eulaema (Apeulaema) polychroma and Euglossa (Euglossa) cf. charapensis, in Azuay province, Ecuador. B. Female of Euglossa (Euglossa) cf. charapensis. C. Female of E. cf. charapensis visiting a flower of C. orthoneura upon which yellow resin is observed in the rear expanded tibia. / Mapa que muestra nuevas localidades para Eulaema (Apeulaema) polychroma y Euglossa (Euglossa) cf. charapensis, en la provincia de Azuay, Ecuador. B. Hembra de Euglossa (Euglossa) cf. charapensis. C. Hembra de Euglossa (Euglossa) cf. charapensis visitando una flor de C. orthoneura sobre la cual se observa resina amarilla en la tibia trasera expandida.

opencc-by-4.0Aug 2024View details →

Dataset National Tourist Routes Norway

The dataset provides information related to the 18 tourist routes ('Nasjonale Turistveger', https://www.nasjonaleturistveger.no) developed in Norway by the Norwegian Public Roads Administration ('Statens Vegvesen') since the early 1990s. The dataset includes information about the 18 routes, 130 attractions built along these routes, as well as municipality-level information on geographical, social and economic variables. The dataset was prepared for public use as part of the Horizon Europe ‘DemoTrans’ project (grant agreement nr. 101059288; Work Package Leader: Zuzana Murdoch). Neither the European Union nor the granting authority can be held responsible for the contents and use of the data. Excellent research assistance by Trym Simensen, Rasmus Skogland, Kevin Tran and Henrik Nicolajsen at various stages of the development of the dataset over the period 2020-2024 is gratefully acknowledged.

opencc-zeroJan 2024View details →

Linked collectors and determiners for: Morphological and molecular data reveal the cryptic diversity among populations of Aegla paulensis (Decapoda, Anomura, Aeglidae), with descriptions of four new species and comments on dispersal routes and conservation status.

Natural history specimen data linked to collectors and determiners held within, "Morphological and molecular data reveal the cryptic diversity among populations of Aegla paulensis (Decapoda, Anomura, Aeglidae), with descriptions of four new species and comments on dispersal routes and conservation status". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/53780a8e-66fa-4263-8542-ff9c540ab37d">https://bionomia.net/dataset/53780a8e-66fa-4263-8542-ff9c540ab37d</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/53780a8e-66fa-4263-8542-ff9c540ab37d">https://gbif.org/dataset/53780a8e-66fa-4263-8542-ff9c540ab37d</a>. Formatted as a Frictionless Data package.

Fig. 3 in Blockage of migration routes by dam construction: can migratory fish find alternative routes?

Fig. 3. Relationship between the time of recapture (days) and the movement (km) of individuals of the curimba P. lineatus, after the fish were caught and tagged near the Porto Primavera Dam. The movements above the 0 km axis represent upstream movements, and movements below the axis indicate downstream travels. The release locality of the fish is indicated in the figure (downstream or upstream).

Fig. 2 in Blockage of migration routes by dam construction: can migratory fish find alternative routes?

Fig. 2. Mean (±SE) of release-recapture time lag (a), distance traveled (b) and speed developed (c) by individual curimba Prochilodus lineatus in the Upper Paraná River region, tagged and released downstream (Down) and upstream (Up) from the Porto Primavera Dam. Location indicates, respectively, the "release point – recapture point" in relation to the Porto Primavera Dam.

Fig. 1 in Blockage of migration routes by dam construction: can migratory fish find alternative routes?

Fig. 1. Map of the study area, which includes the stretch of the Paraná River between the Jupiá and Itaipu reservoirs. Numbers between parentheses are the numbers of individuals of curimba (Prochilodus lineatus) recaptured in each place (details given in Results).

Fig. 3 in Fish ladder of Lajeado Dam: migrations on one-way routes?

Fig. 3. Mean values of water transparency (Secchi disc, m) upstream from (248 and 173 km) and within Lajeado Reservoir, from October, 2003 through September, 2004.

Fig. 1 in Fish ladder of Lajeado Dam: migrations on one-way routes?

Fig. 1. Sampling sites in the Tocantins River and Lajeado Reservoir (detail: area close to the dam and the fish ladder).

Fig. 4 in Fish ladder of Lajeado Dam: migrations on one-way routes?

Fig. 4. Proportions of the different orders of fish in the larval samples taken near the Lajeado Dam, before (bold font) and after (regular font) dam closure and above the reservoir after its formation.

Fig. 2 in Fish ladder of Lajeado Dam: migrations on one-way routes?

Fig. 2. Spatial variations in the density (± standard deviation - SD) of planktonic fish eggs and larvae in the Middle Tocantins River, before (October, 1999 – September, 2001 - a) and after (October, 2002 – September, 2004 - b) the formation of Lajeado Reservoir (UHE Luís Eduardo Magalhães).

opencc-by-4.0Sep 2021View details →

Identification and Regionalization of Streamflow Routing Parameters for the HLM Hydrological Model in Iowa

The tables contained the metrics and the peak flows estimated using HLM under three different parameterizations.

dryad40/100

Local fruit availability and en route wind conditions are poor predictors of bird abundance and composition during fall migration in coastal Yucatán Peninsula

In migratory stopover habitats, bird abundance and composition change on a near daily basis. On any given day, the local bird community should reflect local environmental conditions but also the environments that birds encountered previously along their migratory route. For example, during fall migration, the coast of the Yucatán Peninsula in Mexico receives birds that have just crossed the Gulf of Mexico and their abundance and composition may be associated with regional factors such as wind conditions experienced on previous dates but also local factors such as fruit availability. Thus, we used three data sets to quantify the influence of wind and fruit on near daily variation in bird abundance and composition. Our bird data consists of the number of individuals per species captured using mist nets for two coastal national parks in the Yucatán Peninsula during fall migration in 2016 and 2017. The data is provided daily, as are the "net-hours," i.e., the sum of the hours each net was open summed across nets. Thus, we analyzed bird captures standardized by net-hours. Our fruit data consists of the number of unripe and ripe fruits per species counted on each side of each mist net lane at various points during fall migration. Our wind data consists of the wind costs birds arriving at our sites would have experienced when departing the north coast of the Gulf of Mexico two days prior to their arrival. Wind cost reflects wind speed and direction and it was calculated using the wind.dl_2 function in the rWind package. The wind costs are averaged across the entire US Gulf coastline. We used Moran eigenvector maps to quantify the temporal structure of the bird, wind, and fruit data and we partitioned the variance in the bird data into the components explainable by wind or fruit, the temporal structure of wind or fruit, and temporal structure independent of wind or fruit. After running the analysis, we did not find a strong association between daily changes in bird abundance or community composition with wind conditions and ripe fruit availability. Thus, despite wind and fruit being known to be important to individual birds (influencing stopover duration and departure decisions), their effects might not scale up to be drivers of population and community-level variation.

opencc-zeroOct 2021View details →

opencc-by-4.0May 2022View details →

Local Optima Network Analysis of Multi-attribute Vehicle Routing Problem

Multi-Attribute Vehicle Routing Problems (MAVRP) are variants of Vehicle Routing Problems (VRP) in which, besides the original constraint on vehicle capacity present in Capacitated Vehicle Routing Problem (CVRP), there are other restrictions that model diverse real-life system attributes. Among the most common attributes studied in the literature are the vehicle capacity and the maximum route length constraints. The impact of these restrictions on the overall structure of the problem and on the performance of local search algorithms used to solve it is not well known. This paper aims to explain how constraints impact different variants of VRP by altering the structure of the underlying search space. We focus on the analysis of Local Optima Networks (LON) for multiple Traveling Salesman Problem (m-TSP), and VRP with capacity (CVRP), distance (DVRP), and both (DCVRP) constraints. We present results that indicate that metrics obtained for a sample of local optima provide valuable information on the behavior of the landscape under modifications in the constraints of the problem.  The dataset contains the data extracted from the local optima network for a set of variants belonging to the family of vehicle routing problems.

dryad40/100

Data from: Time series of bird abundances, land cover and temperature from standardized breeding bird monitoring schemes (line transects and point count routes) from Norway, Sweden and Finland, for 1975-2016

These data on bird species abundance and environmental variables were used in testing and comparing two different species distribution model validation methods that are applied to models which are used to predict the effects of climate change on species' distributions. The aim of the study was to investigate whether different validation methods give different results of the model's predictive performance and to demonstrate that validation methods based on measuring and validating a "static" pattern in distribution can assess model performance over-optimistically compared to methods based on measuring and validating a "change" in the distribution, which can assess the predictive performance more critically.

opencc-zeroFeb 2023View details →

opencc-by-4.0Apr 2023View details →

Data for: "A Route to Stabilize Uranium(II) and Uranium(I) Synthons in Multimetallic Complexes"

Lowvalent uranium can be stabilized via an unprecedented mechanism involving intramolecular ligand migration:the two-and three-electron reduction of the oxo-bridgedU(IV)/U(IV)complex,[{(Ph3SiO)3(DME)U}2(O)], yields formal “U(II)”/U(IV) and “U(I)”/U(IV) complexes,via ligand migration and formation of uranium-arene δ-bond interactions,that can transfer up to threeelectrons tosubstrates by restoring the original ligand arrangement.