Effects of Neck Bands on Reproduction and Survival of Female Greater Snow Geese

Reed, Eric T.; Gauthier, Gilles; Pradel, Roger

doi:10.2193/0022-541x(2005)069<0091:eonbor>2.0.co;2

Cited by 34 publications

(52 citation statements)

References 53 publications

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“…Neckbands also reduced clutch size and breeding propensity in Greater Snow Goose females as inferred from reduced capture probabilities with no concurrent effects on apparent survival (Reed et al 2005). Reduced breeding probability in that case was considered as a form of temporary emigration.…”

Section: Discussionmentioning

confidence: 99%

Movement and persistence by Ross’s Geese (Chen rossii) in Canada’s arctic

et al. 2010

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We have been studying population biology of Ross's Geese south of Queen Maud Gulf (QMG) in Canada's central arctic from 1989 to 2008. Many Ross's Geese there nest in a small number of discrete colonies which form the QMG metapopulation. In addition to capture and marking of geese, we have used ground-based sampling of nests to estimate the annual rate of population growth at Karrak Lake, one of the largest colonies within the QMG metapopulation. Between 1993 and 2008, Ross's Geese at Karrak Lake have been growing in an uninterrupted fashion at about 11% per year and numbered about 726,000 ± 91,000 (95% CL) breeders in 2008. In addition, substantial numbers of Ross's Geese had colonized an area about 750 km southeast of QMG at McConnell River on the west coast of Hudson Bay (WHB) in 1994. We have been marking Ross's Geese at WHB from 2001 to 2006. In addition, we used complementary ground-based methods similar to those at QMG to estimate annually the abundance of nesting geese at WHB. The population increased at WHB by 11% per year between 2003 and 2007, a rate very similar to that observed at Karrak Lake near QMG. In 2007, the population of nesting Ross's Geese at WHB was about 81,000 ± 12,000. In addition to contributions through local recruitment, we wished to better understand the role of movement and source-sink dynamics between QMG and WHB. We used joint multistate-dead recovery mark-recapture models to estimate movement probability of adults between these two regions. The greater likelihood of movement (0.24 ± 0.18) from WHB to QMG, compared to the inverse (0.05 ± 0.04) was restricted to males; there was virtually complete philopatry by females at both study areas. The high rate of philopatry by adult females suggested that population growth in each study area was most likely sustained by in situ recruitment. We also tested and confirmed the assumption that movement probability between regions was unrelated to marker type.

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Section: Discussionmentioning

confidence: 99%

Movement and persistence by Ross’s Geese (Chen rossii) in Canada’s arctic

et al. 2010

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“…Since movements are biased towards wetlands where both average nesting success and density are consistently higher than in mesic tundra, fidelity to habitat type could be explained by the public information hypothesis. According to this hypothesis, we would also expect little heterogeneity in nesting success within individual habitat patches or among similar habitat patches across the colony, two predictions for which we have some evidence (Reed et al 2005). However, in order to Table 3 Inter-annual median distances (m) between nest-site locations of individual females in three goose species This study Oecologia (2008) 155:33-41 39 conclusively discriminate between the environmental cues and the public information hypotheses, experimental manipulation of nesting success would be required.…”

Section: Nesting Habitat Usementioning

confidence: 98%

Breeding dispersal in a heterogeneous landscape: the influence of habitat and nesting success in greater snow geese

2007

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Despite numerous studies on breeding dispersal, it is still unclear how habitat heterogeneity and previous nesting success interact to determine nest-site fidelity at various spatial scales. In this context, we investigated factors affecting breeding dispersal in greater snow geese (Anser caerulescens atlanticus), an Arctic breeding species nesting in two contrasting habitats (wetlands and mesic tundra) with variable pattern of snowmelt at the time of settlement in spring. From 1994 to 2005, we monitored the nesting success and breeding dispersal of individually marked females. We found that snow geese showed a moderate amount of nest-site fidelity and considerable individual variability in dispersal distance over consecutive nesting attempts. This variability can be partly accounted for by the annual timing of snowmelt. Despite this environmental constraint, habitat differences at the colony level consistently affected nesting success and settlement patterns. Females nesting in wetlands had higher nesting success than those nesting in mesic tundra. Moreover, geese responded adaptively to spatial heterogeneity by showing fidelity to their nesting habitat, independently of snowmelt pattern. From year to year, geese were more likely to move from mesic to high-quality wetland habitat, regardless of previous nesting success and without cost on their subsequent nesting performance. The unpredictability of snowmelt and the low cost of changing site apparently favour breeding-site dispersal although habitat quality promotes fidelity at the scale of habitat patches.

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“…[68,75]). Marking birds in a control group with lightweight visual marks (metal and colour rings) is usually considered to be of little influence on the bird [13], while it enables later recognition in the field.…”

Section: Towards Reduction In Adverse Effectsmentioning

confidence: 99%

“…Marking birds in a control group with lightweight visual marks (metal and colour rings) is usually considered to be of little influence on the bird [13], while it enables later recognition in the field. Simple neck collars can probably be used for long-necked waterfowl without long-term effects, but have been found to affect reproduction and survival in some species [15,51,68,75], and should thus be used as a control with caution. A control group should be treated in the same way as the tagged group in as many aspects as possible, including the method of capture, other samples taken (e.g.…”

Section: Towards Reduction In Adverse Effectsmentioning

confidence: 99%

Reduction in adverse effects of tracking devices on waterfowl requires better measuring and reporting

Lameris

Kleyheeg

2017

Anim Biotelemetry

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Since the first studies in the mid-twentieth century, lightweight electronic tracking devices have been increasingly used to study waterfowl movements. With half a century of experience and growing sample sizes, it has become clear that the attachment of a tracking device can affect a bird's behaviour and fitness. This becomes problematic when it introduces uncertainty about whether the recorded data represent natural behaviour. Waterfowl may be particularly prone to tag effects, since many species are migratory and tracking devices can disrupt their waterproof plumage. The primary aim of this paper is to identify how tracking devices may affect waterfowl survival, migration and reproduction, and how better measuring and reporting of such effects can improve our understanding of the risks, providing a first step towards reducing their impact in future studies. We reviewed literature on electronic tracking of waterfowl to create an overview of currently recognized effects of harness-attached backpacks, implants, subcutaneous attachments and neck collars. Additionally, we analysed developments in the use of attachment methods, the weight of tracking devices relative to bird body mass, and the reporting rate of effects of tracking devices in 202 original tracking studies. We found that although the number of waterfowl tracking studies described in peer-reviewed literature has steeply increased over the past decades, reporting rates of potential effects have decreased from 65.0 to 26.5%. Meanwhile, the mean weight of the tracking devices relative to the bird's body mass remained stable around 2.0%. Major negative effects were reported in 17% of all studies and were found for all attachment methods. Overall, large differences exist in the occurrence and type of negative effects between species and studies, even if the same tracking methods were used. Inconsistent reporting of effects, lack of control groups to measure effects and incomplete descriptions of the methodology hamper the identification of factors contributing to these effects. To accomplish a reduction in adverse effects of tracking, it is necessary to improve the measuring and reporting of effects. We propose a framework for standardized reporting of methods in primary tracking studies and standardized protocols to measure effects of tracking devices on waterfowl.

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Effects of Neck Bands on Reproduction and Survival of Female Greater Snow Geese

Cited by 34 publications

References 53 publications

Movement and persistence by Ross’s Geese (Chen rossii) in Canada’s arctic

Movement and persistence by Ross’s Geese (Chen rossii) in Canada’s arctic

Breeding dispersal in a heterogeneous landscape: the influence of habitat and nesting success in greater snow geese

Reduction in adverse effects of tracking devices on waterfowl requires better measuring and reporting

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