Between a rock and a large place: the importance of multi‐scale geomorphological features to seabird nest site selection

Eveillard‐Buchoux, Marie; Beninger, Peter G.

doi:10.1002/ecy.3566

Cited by 4 publications

(4 citation statements)

References 22 publications

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“…Perea and Gutiérrez‐Galán (2016) estimated that the distance of olive seed dispersal by wood pigeons between olive groves and their roost sites was between 1.8 and 7.4 km. Gulls can access remote islands, with poor vegetation for breeding, that forest birds that disperse olives, such as pigeons, cannot inhabit (Bosch & Sol, 1998; Eveillard‐Buchoux & Beninger, 2022). Hence, gulls have a bigger potential to contribute to the spatial spread of wild and domestic olives, especially for the colonisation of more remote islets.…”

Section: Discussionmentioning

confidence: 99%

“…Seabirds are major components of island ecosystems, and their daily movement can affect plant communities through increasing in nitrogen availability in the soil by food transportation or seabird guano, physical disturbances such as trampling and nesting and seed dispersal (Aoyama et al, 2012; Duda et al, 2020; Ellis, 2005). They are highly vagile and can breed on islands with poor vegetation where other frugivores cannot thrive (Bosch & Sol, 1998; Eveillard‐Buchoux & Beninger, 2022). Thus, their ecological roles may be especially important during the initial stages of vegetation succession on islands (Smyshlyaeva et al, 2021).…”

Section: Introductionmentioning

confidence: 99%

“…They are highly vagile and can breed on islands with poor vegetation where other frugivores cannot thrive (Bosch & Sol, 1998;Eveillard-Buchoux & Beninger, 2022). Thus, their ecological roles may be especially important during the initial stages of vegetation succession on islands (Smyshlyaeva et al, 2021).…”

Section: Introductionmentioning

confidence: 99%

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Gulls contribute to olive seed dispersal within and among islands in a Mediterranean coastal area

Ando,

Martín‐Vélez,

Tavecchia

et al. 2023

Journal of Biogeography

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AimTo analyse the role of non‐frugivorous birds on seed dispersal, seed dispersal by gulls is expected to be especially instrumental in island ecosystems, as these have a smaller subset of frugivores when compared to the mainland, and because long‐distance dispersal is required for plant colonisation. Here, we investigated the seed dispersal of olives by gulls among 10 islands of the same archipelago to reveal if gulls contribute to long‐distance seed dispersal including different islands, and how gulls' adaptation to domestic olives and individual differences in foraging activities affect their seed dispersal pattern.LocationBalearic Islands in the Western Mediterranean Sea, Spain.TaxonYellow‐legged gulls (Larus michahellis), Domestic and wild Olives (Olea europaea and O. europaea var. sylvestris).MethodsWe developed seed dispersal models of the two ecotypes of olives dispersed by gulls across an archipelago, based on GPS tracking data, gut passage time and seed viability.ResultsMean dispersal distances were 7.67 (±12.48) km in wild and 12.57 (±13.08) km in domestic olives. 7.1% of wild and 8.5% of domestic olives were dispersed among islands. Among these, 8.2% of domestic seeds were transported from large to small islands where gull colonies are located, whereas wild olives were dispersed in more variable directions. Such dispersal pattern of two olive ecotypes was consistent despite the differences in dispersal distances among individuals.Main ConclusionsGulls contributed to long‐distance olive seed dispersal including different islands. The seed dispersal of domestic olives to longer distances with specific directions may facilitate colonisation and expansion of that variant if the conditions of seed deposition sites are suitable. Our findings indicate that gulls are relevant vectors for long‐distance dispersal of large fleshy fruits in island ecosystems where specialist large frugivores are absent.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Gulls contribute to olive seed dispersal within and among islands in a Mediterranean coastal area

Ando,

Martín‐Vélez,

Tavecchia

et al. 2023

Journal of Biogeography

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“…(i) Spatial variation The deposition of seabird-derived nutrients varies spatially. Most seabirds are colonial nesters (Danchin and Wagner, 1997) and many have habitat-specific preferences for nesting locations (Eveillard-Buchoux and Beninger, 2021;Warham, 1990). Seabird-mediated nutrient subsidisation diminishes with distance from a colony (Bokhorst et al, 2019;Bokhorst and Convey, 2016;Caut et al, 2012;Crittenden et al, 2015;Jones, 2010a), although the reach of seabird influence is variable, ranging from homogenised levels across smaller islands (Jones, 2010a), to being detectable kilometres away (Crittenden et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

Temporal and spatial variability in stable isotope values on seabird islands: What, where and when to sample

Pascoe

Shaw²,

Trebilco³

et al. 2022

Ecological Indicators

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Some observations and reflections on geodiversity, the oft-forgotten half of nature

Gray

2022

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Geodiversity first emerged nearly 30 years ago in the wake of the Convention on Biological Diversity when geoscientists realised that they too study diverse natural phenomena that are also often threatened with loss or degradation resulting from human activities. Since then, geodiversity has emerged as an important geoscientific paradigm with a central position in the relationships between the geoscientific ‘Gs'. It has spawned much discussion on how geodiversity can be classified and measured, it is often used as the basis for selecting geoheritage sites for geoconservation, including the development of the World Heritage List, it is often used by geoparks to publicise their range of geofeatures, and it is the basis for many ‘geosystem services’ essential to our modern societies. But despite this importance, it is a poorly understood and poorly integrated into nature conservation policy and practice. The result is that the value of the whole of nature is underestimated and the policy and practice for the management of nature lacks integration.

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Between a rock and a large place: the importance of multi‐scale geomorphological features to seabird nest site selection

Cited by 4 publications

References 22 publications

Gulls contribute to olive seed dispersal within and among islands in a Mediterranean coastal area

Gulls contribute to olive seed dispersal within and among islands in a Mediterranean coastal area

Temporal and spatial variability in stable isotope values on seabird islands: What, where and when to sample

Some observations and reflections on geodiversity, the oft-forgotten half of nature

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