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4 results for “trip duration”
Road distances and trip duration matrix for Brazilian municipalities
<p>This dataset presents a matrix with road distance and travel duration estimates for all the trips combination among the Brazilian municipalities. More details about the methodology are available <a href="https://rfsaldanha.github.io/data-projects/brazil_road_distances.html" target="_blank" rel="noopener">here</a>.</p> <p>This version was generated considering the road network at the OSRM project on May 2024.</p> <p><strong>Variable dictionary</strong></p> <ul> <li>orig: Code of the municipality of origin (IBGE 7-digits) </li> <li>dest: Code of the municipality of destiny (IBGE 7-digits) </li> <li>dist: Road distance of the shortest route, in meters</li> <li>dur: Travel time estimation, in minutes.</li> </ul> <p><strong>Files</strong></p> <ul> <li>dist_brasil.rds : R serialized object</li> <li>dist_brasil.parquet : Parquet format</li> <li>dist_brasil.zip : Compressed CSV file. Semi-colon ( ; ) field delimiter and point ( . ) as decimal separator</li> </ul>
Partner intrinsic characteristics influence foraging trip duration, but not coordination of care in wandering albatrosses Diomedea exulans
<p>1. Long-lived monogamous species gain long-term fitness benefits by equalising effort during bi-parental care. For example, many seabird species coordinate care by matching foraging trip durations within pairs.</p> <p>2. Age affects coordination in some seabird species; however, the impact of other intrinsic traits, including personality, on potential intraspecific variation in coordination strength is less well understood.</p> <p>3. The impacts of pair members' intrinsic traits on trip duration and coordination strength were investigated using data from saltwater immersion loggers deployed on 71 pairs of wandering albatrosses <em>Diomedea</em> <em>exulans</em>. These were modelled against pair members' age, boldness and their partner's previous trip duration.</p> <p>4. At the population level, the birds exhibited some coordination of parental care that was of equal strength during incubation and chick-brooding. However, there was low variation in coordination between pairs and coordination strength was unaffected by the birds' boldness or age in either breeding stage. Surprisingly, during incubation, foraging trip duration was mainly driven by partner traits, as birds that were paired to older and bolder partners took shorter trips. During chick-brooding, shorter foraging trips were associated with greater boldness in focal birds and their partners, but age had no effect.</p> <p>5. These results suggest that an individual's assessment of their partner's capacity or willingness to provide care may be a major driver of trip duration, thereby highlighting the importance of accounting for pair behaviour when studying parental care strategies.</p>
Partner intrinsic characteristics influence foraging trip duration, but not coordination of care in wandering albatrosses Diomedea exulans
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Road distances and trip duration matrix for USA counties
<p>This dataset presents a matrix with road distance and travel duration estimates for all trip combinations among USA counties. More details about the methodology are available <a href="https://rfsaldanha.github.io/data-projects/usa_road_distances.html" target="_blank" rel="noopener">here</a>.</p> <p>This version was generated considering the road network at the OSRM project in October 2024.</p> <p><strong>Variable dictionary</strong></p> <ul> <li>orig: County FIPS code of origin</li> <li>dest: County FIPS code of destiny</li> <li>dist: Road distance of the shortest route, in meters</li> <li>dur: Travel time estimation, in minutes.</li> </ul> <p><strong>Files</strong></p> <ul> <li>dist_usa.rds : R serialized object</li> <li>dist_usa.parquet : Parquet format</li> <li>dist_usa.csv : CSV file. Colon (, ) field delimiter and point ( . ) as decimal separator</li> <li>uscounties.csv : CSV file with counties names, codes, and other information, from the <a href="https://simplemaps.com/data/us-counties" target="_blank" rel="noopener">Simple Maps database</a>.</li> </ul>
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