Estimating Territory and Home-range Sizes: Do Singing Locations Alone Provide an Accurate Estimate of Space Use?

Anich, Nicholas M.; Benson, Thomas J.; Bednarz, James C.

doi:10.1525/auk.2009.08219

Cited by 87 publications

(91 citation statements)

References 35 publications

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“…As reported in other populations, ornate box turtles in northwestern Illinois exhibited high site fidelity both to previous years' home ranges (Nieuwolt 1996;Curtain 1997;Bernstein et al 2007) and to overwintering sites (Metcalf and Metcalf 1979;Doroff and Keith 1990;Converse et al 2002;Bernstein et al 2007). In our study population, 82% of overwintering locations were within 15 m of an individual's hibernaculum of the previous year, and 57% were within 5 m. Estimates of home range size were not larger for individuals for which we had more radio-locations or tracked over more years (e.g., Anich et al 2009); therefore, we are confident that we acquired sufficient radio-locations for all individuals to accurately assess home range sizes.…”

Section: Discussionmentioning

confidence: 85%

“…To determine whether estimates of home range fidelity were correlated with those of overwintering site fidelity, we regressed each individual's mean percentage of home range overlap against mean distance between subsequent overwintering locations using the GLM procedure. Finally, because individual home ranges can be underestimated if too few locations are obtained (e.g., Anich et al 2009), we regressed individual MCP (years pooled) against both the number of years tracked and the total number of radiolocations obtained using the GLM procedure. All values are reported as means ± standard deviation (SD).…”

Section: Area Overlapmentioning

confidence: 99%

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Home Range and Site Fidelity of Imperiled Ornate Box Turtles (Terrapene ornata) in Northwestern Illinois

Refsnider¹,

Strickland

Janzen³

2012

Chelonian Conservation and Biology

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The destruction of prairies has led to the decline of the ornate box turtle (Terrapene ornate) across much of its range. Land management agencies are considering translocation programs to restore populations to areas from which they have been extirpated. For these conservation efforts to be successful, long-term posttranslocation monitoring is necessary to ensure that translocated individuals behave and use habitat similarly to unmanipulated individuals. We conducted a 3-yr radiotelemetry study of a potential source population of ornate box turtles to provide baseline data on home range size and site fidelity pretranslocation. Adult males and females did not differ in minimum convex polygon home range size (mean 4.0 ha), 95% fixed kernel home ranges (mean 2.6 ha), or 50% fixed kernel home ranges (mean 0.4 ha). Both sexes showed high site fidelity to annual home ranges and to previously used overwintering sites, although distance between subsequent overwintering sites was less for females than for males. At our study site, ornate box turtles have relatively small home ranges and exhibit strong site fidelity. Translocation programs for this species should closely monitor movements of translocated individuals to assess whether they are successfully establishing new home ranges or attempting to return to their site of origin. Moreover, the high site fidelity exhibited by this species suggests that newly translocated individuals may be at increased mortality risk because they are unfamiliar with suitable overwintering and/or nesting sites in their new location. The results of our study will be used to ensure that sites to which animals are translocated are comparable to the site of origin in terms of home range size requirements and important habitat features. In addition, our data serve as a critical baseline to which the habitat use and movement patterns of monitored animals posttranslocation can be directly compared to assess the success of the translocation. RightsWorks produced by employees of the U.S. Government as part of their official duties are not copyrighted within the U.S. The content of this document is not copyrighted. ABSTRACT. -The destruction of prairies has led to the decline of the ornate box turtle (Terrapene ornate) across much of its range. Land management agencies are considering translocation programs to restore populations to areas from which they have been extirpated. For these conservation efforts to be successful, long-term posttranslocation monitoring is necessary to ensure that translocated individuals behave and use habitat similarly to unmanipulated individuals. We conducted a 3-yr radiotelemetry study of a potential source population of ornate box turtles to provide baseline data on home range size and site fidelity pretranslocation. Adult males and females did not differ in minimum convex polygon home range size (mean 4.0 ha), 95% fixed kernel home ranges (mean 2.6 ha), or 50% fixed kernel home ranges (mean 0.4 ha). Both sexes showed high site fidelity to annual home ranges...

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Section: Discussionmentioning

confidence: 85%

Section: Area Overlapmentioning

confidence: 99%

Home Range and Site Fidelity of Imperiled Ornate Box Turtles (Terrapene ornata) in Northwestern Illinois

Refsnider¹,

Strickland

Janzen³

2012

Chelonian Conservation and Biology

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“…The use of space by a species is important for understanding its ecology (Anich et al 2009), the function of a singing territory (Naguib et al 2001), and the social relationships among conspecifics (Catchpole and Slater 1995). In the case of species at risk, this information is necessary in order to be able to map habitat necessary for protection (Anderson 2001;Clark et al 2002).…”

mentioning

confidence: 99%

“…In the case of species at risk, this information is necessary in order to be able to map habitat necessary for protection (Anderson 2001;Clark et al 2002). Territory mapping (defined by observations of males singing and perching) may underestimate the size of the area that is required, especially for secretive species (Anich et al 2009). However, radio-telemetry is a reliable way to obtain information about movements outside of a male's singing territory and to measure area accurately (Naguib et al 2001;Anich et al 2009.…”

mentioning

confidence: 99%

“…Territory mapping (defined by observations of males singing and perching) may underestimate the size of the area that is required, especially for secretive species (Anich et al 2009). However, radio-telemetry is a reliable way to obtain information about movements outside of a male's singing territory and to measure area accurately (Naguib et al 2001;Anich et al 2009. ) This is the case for a population of the Western Yellow-breasted Chat (Icteria virens auricollis).…”

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confidence: 99%

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Size of Territories and Home Ranges of Male Western Yellow-breasted Chats (<em>Icteria virens auricollis</em>) in British Columbia

McKibbin

Bishop

2012

Can Field Nat

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McKibbin, René, and Christine A. Bishop. 2012 , the 95% kernel density estimation (KDE) revealed that mean area used by male Western Yellow-breasted Chats, as determined by radio-tracking (n = 5), was 1.16 ha, whereas the mean area as defined by observations of breeding males singing and perching was 0.62 ha (no statistical difference). Our hypothesis that the area determined by radio-tracking would be significantly larger than the area defined by observations of males singing and perching was rejected, but the area determined by radio-tracking was almost twice the area defined by observations of breeding males singing and perching.

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Catastrophic storms, forest disturbance, and the natural history of Swainson's warbler

Graves

2024

Ecology and Evolution

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The core breeding range of Swainson's warbler (Limnothlypis swainsonii) overlaps a zone of exceptionally high tornado frequency in southeastern North America. The importance of tornadoes in creating breeding habitat for this globally rare warbler and other disturbance‐dependent species has been largely overlooked. This paper estimates tornado frequency (1950–2021) and forest disturbance in the 240 counties and parishes in which breeding was documented from 1988 to 2014. The frequency of destructive tornadoes (EF1‐EF5) varied 6‐fold across the breeding range with a peak in the Gulf Coast states. Counties from east Texas to Alabama experienced the lowest median return interval of 5.4 years per 1000 km2, resulting in approximately 2477 ha of forest damage per 1000 km2 per century, based on current forestland cover. Tornadoes were significantly less frequent north and east of the core breeding range, with return intervals increasing to 9.1 years per 1000 km2 for breeding counties on the Atlantic coastal plain, 10.2 years per 1000 km2 in the Ozark Mountains, and 32.3 years per 1000 km2 in the Appalachian Mountains. Breeding counties within 150 km of the coastline from east Texas to North Carolina are also subjected to the highest frequency of hurricanes in the Western Hemisphere. Hurricanes often cause massive forest damage but archived meteorological and forestry data are insufficient to estimate the aggregate extent of forest disturbance in breeding counties. Nevertheless, the combined impact of tornadoes and hurricanes in the pre‐Anthropogenic era was likely sufficient to produce a dynamic mosaic of early‐successional forest crucial for the breeding ecology of Swainson's warbler. To ensure the long‐term survival of this rare warbler, it is advisable to develop habitat management plans that incorporate remote sensing data on early‐successional forest generated by catastrophic storms as well as anthropogenic activities.

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Estimating Territory and Home-range Sizes: Do Singing Locations Alone Provide an Accurate Estimate of Space Use?

Cited by 87 publications

References 35 publications

Home Range and Site Fidelity of Imperiled Ornate Box Turtles (Terrapene ornata) in Northwestern Illinois

Home Range and Site Fidelity of Imperiled Ornate Box Turtles (Terrapene ornata) in Northwestern Illinois

Size of Territories and Home Ranges of Male Western Yellow-breasted Chats (<em>Icteria virens auricollis</em>) in British Columbia

Catastrophic storms, forest disturbance, and the natural history of Swainson's warbler

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