The effects of colony size interacting with extra food supply on the breeding success of the White Stork (Ciconia ciconia)

Djerdali, Sofia; Guerrero-Casado, José; Tortosa, Francisco S.

doi:10.1007/s10336-016-1343-5

Cited by 17 publications

(19 citation statements)

References 26 publications

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“…In 2010, which was extremely humid, hence prey was abundant, we observed unusually many new nests been built, and all of them where located in close proximity to meadows (Tobolka et al 2013). In Algeria, the proximity of landfills was a significant predictor for breeding effect, except the one very dry year of the study (Djerdali et al 2016b), which contradicts our results and may be due to differences in food composition between different population of white stork under different climate (compare, e.g. Kosicki et al 2006 andChenchouni 2016).…”

Section: Anthropogenic Food Sourcesmentioning

confidence: 71%

“…As the energetic costs of breeding are very high, food abundance plays a crucial role in limiting breeding success (Martin 1987). Hence, foraging at landfills which provide stable and constant access to food of high energy content has raised the Western European population's productivity level (Tortosa et al 2003;Djerdali et al 2008aDjerdali et al , 2016b and ultimately its size (Djerdali et al 2016a) following a tremendous collapse in the past (Bairlein 1991). Landfills, as a certain anthropogenic source of food, have also affected the migration strategy of white storks (Gilbert et al 2016;Massemin-Challet et al 2006).…”

Section: Habitat Loss and Anthropogenic Food Sourcesmentioning

confidence: 99%

“…Opposite to Western European population of the white stork which profit from foraging on landfills on the brood level (Tortosa et al 2003), on the population level (Blanco 2006;Djerdali et al 2016b), and also during migration (Massemin-Challet et al 2006;Rotics et al 2017;Arizaga et al 2018), however sometimes suffer (de la Casa-Resino et al 2014, 2015, the consequences of feeding at landfills for Central-Eastern European white stork populations are unknown. Our results show that proximity to a landfill determines the probability of nest occupation, but strictly in connection with a particular year.…”

Section: Anthropogenic Food Sourcesmentioning

confidence: 99%

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Determination of nest occupation and breeding effect of the white stork by human-mediated landscape in Western Poland

Bialas

Dylewski

Tobółka

2019

Environ Sci Pollut Res

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Choosing an appropriate nest site is essential for successful breeding. Changes in land use cause populations of many species to decline although some species adapt to anthropogenic changes. The white stork Ciconia ciconia commonly uses artificial nest sites. Recently, white storks from Western Europe have been using landfills as feeding sites; the beginnings of this process are being observed in Central-Eastern Europe. The study aimed to determine factors influencing the probability of nest occupation and breeding effect in a Central-Eastern European population of white storks. We used long-term data from Western Poland on breeding effect, nest occupation, the structure supporting the nest, the proximity of the nearest landfills, landfill area, and land cover. The probability of nest occupation was significantly dependent on habitat quality (based on the share of the preferred type of land cover), the structure supporting the nest, and landfill proximity within a specific year. The breeding effect was influenced by habitat quality and nesting structure. We demonstrate that the type of nesting structure is an important factor influencing both the probability of nest reoccupation and breeding effect. However, the significance of landfills appears to be growing, and in recent years, storks prefer occupying nests closer to landfills, which may have significant consequences for the population of the white stork.

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Section: Anthropogenic Food Sourcesmentioning

confidence: 71%

Section: Habitat Loss and Anthropogenic Food Sourcesmentioning

confidence: 99%

Section: Anthropogenic Food Sourcesmentioning

confidence: 99%

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Determination of nest occupation and breeding effect of the white stork by human-mediated landscape in Western Poland

Bialas

Dylewski

Tobółka

2019

Environ Sci Pollut Res

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“…In many aspects of life, the white stork demonstrates its opportunism and ability to adapt to changing environments, e.g. its exploitation of a wide range of new food resources (Tortosa et al 2002 ; Djerdali et al 2008 , 2016 ; Ciach and Kruszyk 2010 ; Gilbert et al 2016 ), its use of new nesting sites, and its tendency to nest close to human settlements (Tryjanowski et al 2009 ; Flack et al 2016 ); the use of debris as a lining material is another example. The most probable reason for incorporating anthropogenic materials into the nest structure is that these materials are common and easily accessible in the agricultural landscape, which we have shown in the case of the white stork.…”

Section: Discussionmentioning

confidence: 99%

Factors determining the occurrence of anthropogenic materials in nests of the white stork Ciconia ciconia

Jagiełło

Dylewski

Winiarska

et al. 2018

Environ Sci Pollut Res

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Birds have been using anthropogenic materials for nest construction for the past few decades. However, there is a trade-off between the use of new nesting material, which is often linked to greater breeding success, and the higher risk of nestling mortality due to entanglement or ingestion of debris. Here, we investigate the incorporation of anthropogenic materials into nests of the white stork Ciconia ciconia, based on a long-term study of a population in Western Poland. We recorded at least one item of debris in 50 and 42% of nests at the egg and nestling stages, respectively. More debris was found in nests located in territories with higher number of anthropogenic material in the surrounding environment. We found a relationship between the age of females, the number of debris in the area surrounding a nest, and the number of debris in the nest. We found no significant effect of the total number of debris in nests on clutch size, number of fledglings, or breeding success. Studies on the influence of the age and sex of individuals in understanding this behaviour and its drivers in bird populations should be continued.Electronic supplementary materialThe online version of this article (10.1007/s11356-018-1626-x) contains supplementary material, which is available to authorized users.

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“…Considering the growth of the stork population and the ongoing nest concentration in transmission pylons (Moreira et al, 2017), the proportion of pylons with nests will presumably increase in the future. Alternatively, given the semi-colonial behaviour of the species typical of the southwestern European stork populations (Djerdali, Guerrero-Casado, & Tortosa, 2016;Schulz, 1998;Tryjanowski et al, 2009;Vergara & Aguirre, 2006), storks might prefer to build nests on already occupied pylons, rather than the colonising new (empty) ones. Pylons used tended to be spatially aggregated, with large (sometimes tens of kilometers) sections of the power grid being used and others being not.…”

Section: Spatial Patterns Of Pylon Use and Nest Abundancementioning

confidence: 99%

Drivers of power line use by white storks: A case study of birds nesting on anthropogenic structures

Moreira

Martins

Catry

et al. 2018

Journal of Applied Ecology

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Anthropogenic structures are mainly known to have negative impacts on wildlife populations but they can be beneficial. Power lines are a main driver of bird mortality through collision or electrocution, but electricity pylons are also commonly used for nest building by some species. Birds and nests cause power outages that need to be tackled by electricity companies. However, the use of pylons by threatened species provides an opportunity for conservation purposes. In this study, we describe an empirical modelling approach to predict the circumstances under which nesting birds use electricity pylons. We focused on white storks Ciconia ciconia, a species that has been increasingly using electricity pylons for nesting across Europe. In a country‐level census in Portugal, we found a total of 1,348 white stork nests in 668 of the 8,680 very high‐tension power line pylons occurring in the distribution range of this colonial species, with spatial clustering in pylon occupation up to a distance of 30 km. The number of nests in each used pylon ranged from 1 to 21 (M ± SD = 2.2 ± 2.06). The main drivers of pylon use by nesting storks were distance to major feeding areas (rice fields, landfills and large wetlands), with more intensive use closer to these features, followed by land cover type surrounding each pylon. Pylon type and age, and stork population density in the region, had comparatively less importance. Synthesis and applications. We developed an approach to predict the use of anthropogenic structures by nesting birds that can be used both for species conservation and minimising damage to infrastructures. For power lines, applications include: (1) planning power line routes to take account of the probability of pylon use; (2) applying nesting deterrent devices (to reduce bird mortality and power outage risk) and providing nesting platforms (to promote bird use) on suitable pylons and (3) selecting adequate pylon types to promote or inhibit nesting.

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The effects of colony size interacting with extra food supply on the breeding success of the White Stork (Ciconia ciconia)

Cited by 17 publications

References 26 publications

Determination of nest occupation and breeding effect of the white stork by human-mediated landscape in Western Poland

Determination of nest occupation and breeding effect of the white stork by human-mediated landscape in Western Poland

Factors determining the occurrence of anthropogenic materials in nests of the white stork Ciconia ciconia

Drivers of power line use by white storks: A case study of birds nesting on anthropogenic structures

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