Brown Bullhead as an Indicator Species: Seasonal Movement Patterns and Home Ranges within the Anacostia River, Washington, D.C

We monitored the movements of 97 female and 15 male juvenile American black ducks (Anas rubripes) in the vicinity of Moosehom National Wildlife Refuge in eastern Maine and southwestern New Brunswick from September through mid-December, 1985–1987. Movements were described by estimating home ranges and radial movements from the primary roost marsh. Overall home range sizes averaged 4987 ha (range 54 – 28 070 ha), and maximum distances moved from the roost averaged 9.9 km (range 0.9–42.8 km). Home ranges were linear (linearity index 2.8), and home range area and distance of movements from the roost both increased monthly. Ducks that used >15% riverine habitat had larger home ranges and moved greater distances from the roost than ducks using <15% riverine wetlands. Movements did not differ between ducks usually alone and those usually in flocks. Juvenile black ducks moved in small flocks and were often alone (34% of 355 observations). Most ducks showed fidelity to one roost-marsh complex from September until migration in late November. Daily and seasonal movement patterns were similar to those predicted for refuging systems.

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Seasonal and year-round use of the Ramsar-listed Kushiro Wetland by sika deer (Cervus nippon yesoensis)

10.7287/peerj.preprints.3048v1 ◽

2017 ◽

Author(s):

Hino Takafumi ◽

Tatsuya Kamii ◽

Takunari Murai ◽

Ryoto Yoshida ◽

Atsuki Sato ◽

...

Keyword(s):

Sika Deer ◽

Movement Patterns ◽

Cervus Nippon ◽

Population Level ◽

Seasonal Migration ◽

Home Ranges ◽

Seasonal Movement ◽

Annual Population ◽

The Impact ◽

Cervus Nippon Yesoensis

The sika deer (Cervus nippon yesoensis) population in the Ramsar-listed Kushiro Wetland has increased in recent years, and the Ministry of the Environment of Japan has decided to take measures to reduce the impact these sika deer are having on the ecosystem. However, their seasonal movement patterns, i.e., when and how the deer inhabit the wetland, remain unclear. Thus, we examined seasonal movement patterns and the population structure of sika deer in the Kushiro Wetland from 2013 to 2015 by analyzing GPS location data for 28 hinds captured at three sites in the wetland. Seasonal movement patterns were quantitatively classified as seasonal migration, dispersal, nomadic, resident, or atypical, and the degree of wetland utilization for each individual was estimated. The overlap areas of population-level home ranges among capture sites were calculated for both the entire year and for individual seasons. Our results showed that approximately one-third of the individuals moved into and out of the wetland during the year as either seasonal migrants or individuals with atypical movement. Some of the individuals migrated to farmland areas outside the wetland (the farthest being 64 km away). Half of the individuals inhabited the wetland all or most of the year, i.e., 81–100% of their annual home range was within the wetland area. The movement patterns of these deer were classified not only as resident but also as seasonal migration, dispersal, nomadic, and atypical. Even among individuals captured at the same site, various seasonal movement patterns were identified. Annual population-level home ranges showed little to no overlap, and seasonal population-level home ranges were completely segregated among capture sites. Individual deer used the wetland either seasonally or year-round, and some populations inhabiting the wetland had sub-populations with different seasonal movement patterns, which need to be considered to achieve more effective ecosystem management including deer management in the wetland.

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Seasonal and year-round use of the Ramsar-listed Kushiro Wetland by sika deer (Cervus nippon yesoensis)

10.7287/peerj.preprints.3048 ◽

2017 ◽

Author(s):

Hino Takafumi ◽

Tatsuya Kamii ◽

Takunari Murai ◽

Ryoto Yoshida ◽

Atsuki Sato ◽

...

Keyword(s):

Sika Deer ◽

Movement Patterns ◽

Cervus Nippon ◽

Population Level ◽

Seasonal Migration ◽

Home Ranges ◽

Seasonal Movement ◽

Annual Population ◽

The Impact ◽

Cervus Nippon Yesoensis

The sika deer (Cervus nippon yesoensis) population in the Ramsar-listed Kushiro Wetland has increased in recent years, and the Ministry of the Environment of Japan has decided to take measures to reduce the impact these sika deer are having on the ecosystem. However, their seasonal movement patterns, i.e., when and how the deer inhabit the wetland, remain unclear. Thus, we examined seasonal movement patterns and the population structure of sika deer in the Kushiro Wetland from 2013 to 2015 by analyzing GPS location data for 28 hinds captured at three sites in the wetland. Seasonal movement patterns were quantitatively classified as seasonal migration, dispersal, nomadic, resident, or atypical, and the degree of wetland utilization for each individual was estimated. The overlap areas of population-level home ranges among capture sites were calculated for both the entire year and for individual seasons. Our results showed that approximately one-third of the individuals moved into and out of the wetland during the year as either seasonal migrants or individuals with atypical movement. Some of the individuals migrated to farmland areas outside the wetland (the farthest being 64 km away). Half of the individuals inhabited the wetland all or most of the year, i.e., 81–100% of their annual home range was within the wetland area. The movement patterns of these deer were classified not only as resident but also as seasonal migration, dispersal, nomadic, and atypical. Even among individuals captured at the same site, various seasonal movement patterns were identified. Annual population-level home ranges showed little to no overlap, and seasonal population-level home ranges were completely segregated among capture sites. Individual deer used the wetland either seasonally or year-round, and some populations inhabiting the wetland had sub-populations with different seasonal movement patterns, which need to be considered to achieve more effective ecosystem management including deer management in the wetland.

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Short- and long-term movement patterns of six temperate reef fishes (Families Labridae and Monacanthidae)

Marine and Freshwater Research ◽

10.1071/mf9950853 ◽

1995 ◽

Vol 46 (5) ◽

pp. 853 ◽

Cited By ~ 67

Author(s):

NS Barrett

Keyword(s):

Natural Habitat ◽

Movement Patterns ◽

Reef Fishes ◽

Long Term Results ◽

Home Ranges ◽

Temperate Reef ◽

Effective Deterrent ◽

Short And Long Term ◽

Natural Boundaries

Movement patterns were studied on a 1-ha isolated reef surrounding Arch Rock in southern Tasmania. Short-term movements were identified from diver observations, and interpretation of long-term movements involved multiple recaptures of tagged individuals. Visual observations indicated that the sex-changing labrids Notolabrus tetricus, Pictilabrus laticlavius and Pseudolabrus psittaculus were all site-attached, with females having overlapping home ranges and males being territorial. In the non-sex-changing labrid Notolabrus fucicola and in the monacanthids Penicipelta vittiger and Meuschenia australis, there was no evidence of territorial behaviour and 1-h movements were in excess of the scale of the study. The long-term results indicated that all species were permanent reef residents, with most individuals of all species except M. australis always being recaptured within a home range of 100 m × 25 m or less. Only 15% of individuals of M. australis were always recaptured within this range category. The natural habitat boundary of open sand between the Arch Rock reef and adjacent reefs appeared to be an effective deterrent to emigration. The use of natural boundaries should be an important consideration in the design of marine reserves where the aim is to minimize the loss of protected species to adjacent fished areas.

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Movement patterns of feral predators in an arid environment – implications for control through poison baiting

Wildlife Research ◽

10.1071/wr08098 ◽

2009 ◽

Vol 36 (5) ◽

pp. 422 ◽

Cited By ~ 64

Author(s):

K. E. Moseby ◽

J. Stott ◽

H. Crisp

Keyword(s):

Home Range ◽

Sand Dunes ◽

Activity Patterns ◽

Movement Patterns ◽

Home Range Size ◽

Range Size ◽

Home Ranges ◽

Feral Cats ◽

Poison Baiting ◽

Specific Variation

Control of introduced predators is critical to both protection and successful reintroduction of threatened prey species. Efficiency of control is improved if it takes into account habitat use, home range and the activity patterns of the predator. These characteristics were studied in feral cats (Felis catus) and red foxes (Vulpes vulpes) in arid South Australia, and results are used to suggest improvements in control methods. In addition, mortality and movement patterns of cats before and after a poison-baiting event were compared. Thirteen cats and four foxes were successfully fitted with GPS data-logger radio-collars and tracked 4-hourly for several months. High intra-specific variation in cat home-range size was recorded, with 95% minimum convex polygon (MCP) home ranges varying from 0.5 km2 to 132 km2. Cat home-range size was not significantly different from that of foxes, nor was there a significant difference related to sex or age. Cats preferred habitat types that support thicker vegetation cover, including creeklines and sand dunes, whereas foxes preferred sand dunes. Cats used temporary focal points (areas used intensively over short time periods and then vacated) for periods of up to 2 weeks and continually moved throughout their home range. Aerial baiting at a density of 10 baits per km2 was ineffective for cats because similar high mortality rates were recorded for cats in both baited and unbaited areas. Mortality was highest in young male cats. Long-range movements of up to 45 km in 2 days were recorded in male feral cats and movement into the baited zone occurred within 2 days of baiting. Movement patterns of radio-collared animals and inferred bait detection distances were used to suggest optimum baiting densities of ~30 baits per km2 for feral cats and 5 per km2 for foxes. Feral cats exhibited much higher intra-specific variation in activity patterns and home-range size than did foxes, rendering them a potentially difficult species to control by a single method. Control of cats and foxes in arid Australia should target habitats with thick vegetation cover and aerial baiting should ideally occur over areas of several thousand square kilometres because of large home ranges and long-range movements increasing the chance of fast reinvasion. The use of temporary focal points suggested that it may take several days or even weeks for a cat to encounter a fixed trap site within their home range, whereas foxes should encounter them more quickly as they move further each day although they have a similar home-range size. Because of high intra-specific variability in activity patterns and home-range size, control of feral cats in inland Australia may be best achieved through a combination of control techniques.

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TUMOR PREVALENCE AND BIOMARKERS OF EXPOSURE AND RESPONSE IN BROWN BULLHEAD (AMEIURUS NEBULOSUS) FROM THE ANACOSTIA RIVER, WASHINGTON, DC AND TUCKAHOE RIVER, MARYLAND, USA

Environmental Toxicology and Chemistry ◽

10.1897/03-77 ◽

2004 ◽

Vol 23 (3) ◽

pp. 638 ◽

Cited By ~ 31

Author(s):

Alfred E. Pinkney ◽

John C. Harshbarger ◽

Eric B. May ◽

William L. Reichert

Keyword(s):

Washington Dc ◽

Brown Bullhead ◽

Anacostia River ◽

Biomarkers Of Exposure ◽

Ameiurus Nebulosus

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Home ranges and movement patterns of the marine tucuxi dolphin, Sotalia fluviatilis, in Baía Norte, southern Brazil

Latin American Journal of Aquatic Mammals ◽

10.5597/lajam00047 ◽

2004 ◽

Vol 3 (1) ◽

Cited By ~ 27

Author(s):

P. A. C. Flores ◽

M. Bazzalo

Keyword(s):

Movement Patterns ◽

Home Ranges ◽

Southern Brazil ◽

Sotalia Fluviatilis

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Movement Patterns of Wintering Grassland Sparrows in Arizona

The Auk ◽

10.1093/auk/117.3.748 ◽

2000 ◽

Vol 117 (3) ◽

pp. 748-759 ◽

Cited By ~ 4

Author(s):

Caleb E. Gordon

Keyword(s):

Large Scale ◽

Radio Telemetry ◽

Movement Patterns ◽

Movement Pattern ◽

Summer Rainfall ◽

Movement Behavior ◽

Home Ranges ◽

Mark Recapture ◽

Mobile Species ◽

Study Sites

Abstract I used mark-recapture analysis and radio telemetry to characterize winter movement patterns of six grassland sparrows in southeastern Arizona. Mark-recapture data were generated by banding birds captured during repeated flush-netting sessions conducted on a series of 7-ha plots over three consecutive winters. This resulted in 2,641 captures of 2,006 individual sparrows of the six species. Radio telemetry was conducted concurrently on 20 individuals of four of these species. Recapture data and radio telemetry indicated that Cassin's Sparrow (Aimophila cassinii) and Grasshopper Sparrow (Ammodramus savannarum) were the most sedentary, followed by Baird's Sparrow (Ammodramus bairdii), Vesper Sparrow (Pooecetes gramineus), Savannah Sparrow (Passerculus sandwichensis), and Brewer's Sparrow (Spizella breweri). Grasshopper, Baird's, Savannah, and Vesper sparrows tended to remain within fixed home ranges during winter. With the exception of Savannah Sparrows, whose movement behavior varied among study sites, movement patterns remained constant within species across years and study sites despite radical fluctuations in the absolute and relative abundances of all species. Interspecific differences in movement pattern suggest that species in this system partition niche space according to the regional-coexistence mechanism. Abundances of the most sedentary species, Cassin's, Grasshopper, and Baird's sparrows, were poorly or negatively correlated with summer rainfall at the between-year landscape scale, whereas abundances of the more mobile Savannah, Vesper, and Brewer's sparrows were strongly positively correlated. This is consistent with the theoretical prediction that movement constrains large-scale habitat selection, favoring mobile species in fragmented environments.

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