Understanding changes in bird populations – the role of bird marking

Baillie, Stephen R.; Schaub, Michael

doi:10.1080/03078698.2009.9674391

Cited by 20 publications

(15 citation statements)

References 63 publications

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“…This could threaten the long‐term viability of schemes where costs to the host institution are partly offset by the benefits of enhanced data access for research by their own scientists, potentially weakening the link between scheme development and research. Research scientists at scheme organizations have a successful track record of designing and developing long‐term recording and monitoring schemes (e.g., Baillie & Schaub, ; Balmer et al., ; Pocock et al., ; Sullivan et al., ), a role that cannot be readily undertaken by external scientists alone. Given the current difficulty of funding long‐term monitoring (Birkhead, ), the risk that PDA may pose to the business model of any scheme should be assessed, and where significant, alternative models for data sharing adopted or further sources of income secured.…”

Section: Potential Implications Of Pdamentioning

confidence: 99%

Overcoming the challenges of public data archiving for citizen science biodiversity recording and monitoring schemes

Pearce‐Higgins

Baillie

Boughey

et al. 2018

Journal of Applied Ecology

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Public data archiving (PDA) is widely advocated as a means of achieving open data standards, leading to improved data preservation, increased scientific reproducibility, and transparency, as well as additional data use. Public data archiving was primarily conceived to archive data from short‐term, single‐purpose scientific studies. It is now more widely applied, including to large‐scale citizen science biodiversity recording and monitoring schemes which combine the efforts of volunteers with professional scientists. This may affect the financial security of such schemes by reducing income from data and analytical services. Communication between scheme organizers and researchers may be disrupted, reducing scientific quality and impeding scheme development. It may also have an impact on the participation of some volunteers. Synthesis and applications. In response to the challenges of public data archiving for citizen science biodiversity recording and monitoring schemes, the archive function of scheme organizations should be better recognized by those promoting open data principles. Increased financial support from the public sector or from commercial or academic data users may offset financial risk. Those in favour of public data archiving should do more to facilitate communication between nonscheme users and the originating schemes, while a more flexible approach to data archiving may be required to address potential impacts on volunteer participation.

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Section: Potential Implications Of Pdamentioning

confidence: 99%

Overcoming the challenges of public data archiving for citizen science biodiversity recording and monitoring schemes

Pearce‐Higgins

Baillie

Boughey

et al. 2018

Journal of Applied Ecology

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“…These schemes are volunteer-based, enabling cost-effective collection of data at large spatial scales, which also democratises a process in which the data collected can have important policy outcomes (Greenwood 2007;Gregory et al 2005). Although efforts have been made to integrate data collection, both through the development of specific schemes and software to record such data (Baillie and Schaub 2009), corresponding fully integrated analysis of the data has somewhat lagged behind. In recent years, much progress has been made on this front, both in applying classical maximum-likelihood methods (e.g.…”

Section: Introductionmentioning

confidence: 99%

Population processes in European Blackbirds Turdus merula: a state–space approach

2010

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Understanding the demographic processes driving populations is critical in formulating effective management plans. State-space models offer an appealing framework in which to construct models to examine temporal and spatial variation in population dynamics, as they make efficient use of the varied sources of data available. We develop a Bayesian state-space model of the population dynamics of European Blackbird Turdus merula using data collected as part of the British Trust for Ornithology's Integrated Population Monitoring programme. Previous models of similar data have concentrated on simultaneous estimation of abundance and survival parameters and we extend this approach by incorporating the direct estimation of brood size and nesting success. We show that annual population change is most correlated with adult survival, but that population processes appear to differ in eastern and western regions of Britain which themselves differ markedly in their landscape composition.

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“…It is essential, however, to consider whether there may be any impact of such activities both on individuals themselves and on the populations of which they are a part. Wild birds have been marked with metal rings (bands) as part of scientific ringing programs throughout the world for over a century to quantify demographic processes and movements at a range of scales (e.g., Baillie & Schaub, ; Clark, Thorup, & Stroud, ; Ralph & Dunn, ). Furthermore, ringing data have informed a wide variety of other ecological and conservation research programmes (Anderson & Green, ), for example, diet, seed dispersal and genetics (González‐Varo, Arroyo, & Jordano, ), phenology (Reed, Jenouvrier, & Visser, ), moult (Newton, ), or host–parasite relationships (Møller et al., ).…”

Section: Introductionmentioning

confidence: 99%

Estimating mortality rates among passerines caught for ringing with mist nets using data from previously ringed birds

Clewley

Robinson

Clark

2018

Ecology and Evolution

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Mist netting is the most commonly used method for catching birds for scientific ringing, but despite decades of use, there have been few attempts to quantify the associated potential risks to the individuals caught. Any incidence of mortality through capture and handling, however low, is of potential ethical concern and may also introduce biases into the data. We estimate the mortality rate associated with capture of previously ringed (recaptured) passerines from the British and Irish Ringing Scheme (c. 1.5 million records) caught using mist nets. The importance of species, age, mass, month, time, previous captures, and an index of predator occurrence was tested using generalized linear mixed‐effects models. The average mortality rate was 0.0011, most of which was reported to occur before the individuals had been extracted from the nets (c. 70% of incidents). Juveniles appeared to be at higher risk and the incidence of predation from mist nets was seasonal, with increased risk during the winter. Species differed in their reported mortality rates with the apparent risk being greatest for Chiffchaff Phylloscopus collybita (0.0029) and Bullfinch Pyrrhula pyrrhula (0.0027). To improve our understanding (and hence minimize risk in future), we recommend collecting more complete data on incidences of mortality, and also injuries; exercising increased care when the species we have identified as being at greater risk are likely to be captured, and ensuring there are robust procedures for the checking of nets (as most reported incidents of mortality occur before handling). We also recommend that all Ringing Schemes should collate and make available data on capture‐related mortality. Overall rates of mortality associated with capture, although, were low and support the use of mist netting as a safe capture technique, without undue bias from mortality, when used by appropriately trained individuals.

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Understanding changes in bird populations – the role of bird marking

Cited by 20 publications

References 63 publications

Overcoming the challenges of public data archiving for citizen science biodiversity recording and monitoring schemes

Overcoming the challenges of public data archiving for citizen science biodiversity recording and monitoring schemes

Population processes in European Blackbirds Turdus merula: a state–space approach

Estimating mortality rates among passerines caught for ringing with mist nets using data from previously ringed birds

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