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171 results for “home range”
Fig. 1 in Home range, habitat use and roost-site selection by lowland female Siamese fireback Lophura diardi in northeastern Thailand
Fig. 1. Location of Sakaerat Environmental Research Station (SERS), northeastern Thailand, including the locations of 60 available sites, two food supplementary sites, 14 nesting sites, and 52 roosting sites. Polygons shown are the home range boundaries of the eight radiotagged Siamese firebacks (group A–H).
Fig. 1 in Preliminary estimation of home range size for Meristogenys orphnocnemis, a common Bornean Ranid, in an altered forest ecosystem using radiotelemetry
Fig. 1. Section of stream in SAFE Project experimental site, known as logged forest edge (LFE) stream, where all radiotracking occurred.
Fig. 2 in Home range and activity patterns of Sunda scops owl in Peninsular Malaysia
Fig. 2. Home range pattern generated by each of the six radiotracked owls, based on 95% MCP (shaded area) and HM (nonshaded area) methods.
Home range use in the West Australian seahorse Hippocampus subelongatus is influenced by sex and partner's home range but not by body size or paired status
<p><span>These data and scripts form the basis for </span>Kvarnemo C, Andersson SE, Elisson J, Moore GI and Jones AG (2021). Home range use in the West Australian seahorse <em>Hippocampus subelongatus</em> is influenced by sex and partner's home range but not by body size or paired status. Journal of Ethology 39: 235–248. https://doi.org/10.1007/s10164-021-00698-y. The abstract below is from this paper:</p> <p>Genetic monogamy is the rule for many species of seahorse, including the West Australian seahorse Hippocampus subelongatus. In this paper, we revisit mark-recapture and genetic data of H. subelongatus, allowing a detailed characterization of movement distances, home range sizes and home range overlaps for each individual of known sex, paired status (paired or unpaired) and body size. As predicted, we find that females have larger home ranges and move greater distances compared to males. We also confirm our prediction that the home ranges of pair-bonded individuals (members of a pair known to reproduce together) overlap more on average than home ranges of randomly chosen individuals of the opposite or same sex. Both sexes, regardless of paired status, had home ranges that overlapped with, on average, 6–10 opposite-sex individuals. The average overlap area among female home ranges was significantly larger than the overlap among male home ranges, probably reflecting females having larger home ranges combined with a female biased adult sex ratio. Despite a prediction that unpaired individuals would need to move around to find a mate, we find no evidence that unpaired members of either sex moved more than paired individuals of the same sex. We also find no effect of body size on home range size, distance moved or number of other individuals with which a home range overlapped. These patterns of movement and overlap in home ranges among individuals of both sexes suggest that low mate availability is not a likely explanation for the maintenance of monogamy in the West Australian seahorse.</p>
Data from: "Influence of natal habitat preference on habitat selection during extra-home range movements in a large ungulate"
<p>Secondary dataset used for analysis in "Influence of natal habitat preference on habitat selection during extra-home range movements in a large ungulate". Raw GPS relocation data are not publicly available due to potential ethical implications but are available from the corresponding author (Nathan Hooven, nathan.d.hooven@gmail.com) upon reasonable request. Files include:</p> <p>deer_data_6.csv: Sampled covariate values for each used and available location used in SSF analysis</p> <p>Metadata: Metadata information for deer_data_6.csv</p>
HomeRange: A global database of mammalian home ranges
<p><strong>Motivation</strong>: Home range is a common measure of animal space use as it provides ecological information that is useful for conservation applications. In macroecological studies, values are typically aggregated to species means to examine general patterns of animal space use. However, this ignores the environmental context in which the home range was estimated and does not account for intraspecific variation in home range size. In addition, the focus of macroecological studies on home ranges has been historically biased toward terrestrial mammals. The use of aggregated numbers and terrestrial focus limits our ability to examine home range patterns across different environments, variation in time and between different levels of organisation. Here we introduce HomeRange, a global database with 75,611 home-range values across 960 different mammal species, including terrestrial, as well as aquatic and aerial species.</p> <p><strong>Main types of variable contained: </strong>The dataset contains mammal home-range estimates, species names, methodological information on data collection, home-range estimation method, period of data collection, study coordinates and name of location, as well as species traits derived from the studies, such as body mass, life stage, reproductive status and locomotor habit.</p> <p><strong>Spatial location and grain: </strong>The collected data is distributed globally. Across studies, the spatial accuracy varies, with the coarsest resolution being 1 degree.</p> <p><strong>Time period and grain: </strong>The data represent information published between 1939 and 2022. Across studies, the temporal accuracy varies, some studies report start and end dates specific to the day. For other studies, only the month or year is reported.</p> <p><strong>Major taxa and level of measurement: </strong>Mammal species from 24 of the 27 different taxonomic orders. Home-range estimates range from individual-level values to population-level averages. </p>
Are trapping data suited for home-range estimation?
<p>Modern home-range estimation typically relies on data derived from expensive radio- or GPS-tracking. Although trapping represents a low-cost alternative to telemetry, there lacks an evaluation of the performance of home-range estimators on trap-derived data. Using simulated data, we evaluate three variables reflecting the key trade-offs ecologists face when designing a trapping study: 1) the number of observations obtained per individual, 2) the trap density, and 3) the proportion of the home range falling inside the trapping area. We compare the performance of five home-range estimators (MCP, LoCoH, KDE, AKDE, bicubic interpolation). We further explore the potential benefits of combining these estimators with asymptotic models, which leverage the saturating behavior of changes in the estimated home-range area as the number of observations increases to improve accuracy, as well as different data ordering procedures. We then quantified the bias in home-range size under the different scenarios investigated. The number of observations and the proportion of the home range within the trapping grid were the most important predictors of the accuracy and the precision of home-range estimates. The use of asymptotic models helped obtain accurate estimates at smaller sample sizes, while distance-ordering improved the precision and asymptotic consistency of estimates. While AKDE was the best-performing estimator under most conditions evaluated, bicubic interpolation was a viable alternative under common real-world conditions of low trap density and area covered. A case study using empirical data from white-tailed deer in Florida and another from jaguars in Belize demonstrated support for the findings of our simulation results. Although researchers with trap data often overlook home-range estimation, our results indicate that these data have the capacity to yield accurate estimates of home-range size. Trapping data can therefore lower the economic costs of home-range analysis, potentially enlarging the span of species, researchers and questions studied in ecology and conservation.</p>
Predator home range size mediates indirect interactions between prey species in an arctic vertebrate community
<ol> <li>Indirect interactions are widespread among prey species that share a common predator, but the underlying mechanisms driving these interactions are often unclear, and our ability to predict their outcome is limited. </li> <li>Changes in behavioural traits that impact predator space use could be a key proximal mechanism mediating indirect interactions, but there is little empirical evidence of the causes and consequences of such behavioural-numerical response in multi-species systems. </li> <li>Here, we investigate the complex ecological relationships between seven prey species sharing a common predator. We used a path analysis approach on a comprehensive 9-year dataset simultaneously tracking predator space use, prey densities, and prey mortality rate on key species of a simplified Arctic food-web. </li> <li>We show that high availability of a clumped and spatially predictable prey (goose eggs) leads to a two-fold reduction in predator (arctic fox) home range size, which increases local predator density and strongly decreases nest survival of an incidental prey (American golden plover). On the other hand, a scattered cyclic prey with potentially lower spatial predictability (lemming) had a weaker effect on fox space use and an overall positive impact on the survival of incidental prey.</li> <li>These contrasting effects underline the importance of studying behavioural responses of predators in multi-prey systems and to explicitly integrate behavioural-numerical responses in multi-species predator-prey models.</li> </ol>
Data for: Marine fish movement: home range sizes for commercially relevant species
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Data from: Sex-specific resource strategies mediate home range sizes of an endangered carnivore across multiple scales
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Are trapping data suited for home-range estimation?
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Data from: Home range and habitat selection of wolves recolonising Central European human-dominated landscapes
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HomeRange: A global database of mammalian home ranges
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Data from: Functional connectivity and home range inferred at a microgeographic landscape genetics scale in a desert-dwelling rodent
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Predator home range size mediates indirect interactions between prey species in an arctic vertebrate community
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Data from: Social and seasonal variation in dwarf mongoose home-range size, daily movements and burrow use
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No evidence for the consistent effect of supplementary feeding on home range size in terrestrial mammals
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Data from: Digging deeper: habitat selection within the home ranges of a threatened marsupial
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Data from: Effects of home range size and burrow fidelity on survival and reproduction in eastern chipmunks (Tamias striatus) across different environmental contexts
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Home range use in the West Australian seahorse Hippocampus subelongatus is influenced by sex and partner’s home range but not by body size or paired status
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