Interspecific competition between two partridges in farmland landscapes

Rinaud, Tony; Harmange, Clément; Pays, Olivier; Sarasa, Mathieu; Saillard, Maxime; Bretagnolle, Vincent

doi:10.1016/j.anbehav.2020.04.018

Cited by 7 publications

(7 citation statements)

References 57 publications

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“…For instance, the negative associations inside the Parus guild, in particular between the goldcrest Regulus regulus and titmice ( Poecile montanus , Lophophanes cristatus ) may be related to dominance behaviour of the last two species leading to the spatial exclusion of the goldcrest (Alatalo et al 1985). Negative associations between the red‐legged and the grey partridge are in line with the interspecific competition reported by Rinaud et al (2020). The positive association between the Eurasian wryneck and the lesser spotted woodpecker can be related to the reuse of lesser spotted woodpecker's cavities by the wryneck (Pakkala et al 2019).…”

Section: Discussionsupporting

confidence: 91%

Biotic homogenisation in bird communities leads to large‐scale changes in species associations

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Gaüzère

et al. 2021

Oikos

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The impact of global change on biodiversity is commonly assessed in terms of changes in species distributions, community richness and community composition. Whether and how much associations between species are also changing is much less documented. In this study, we quantify changes in large-scale patterns of species associations in bird communities in relation to changes in species composition. We use network approaches to build three community-aggregated indices reflecting complementary aspects of species association networks. We characterise the spatio-temporal dynamics of these indices using a large-scale and high-resolution dataset of bird co-abundances of 109 species monitored for 17 years (2001-2017) from 1969 sites across France. We finally test whether spatial and temporal changes in species association networks are related to species homogenisation estimated as the spatio-temporal dynamics of species turnover (β-diversity) and community generalism (community generalisation index). The consistency of these relationships is tested across three main habitats, namely woodland, grassland and human settlements. We document a directional change in association-based indices in response to modifications in species turnover and community generalism in space and time. Weaker associations and sparser networks were related to lower spatial species turnover and higher community generalism, suggesting an overlooked aspect of biotic homogenisation affecting species associations and may also have an impact on species interactions. We report that this overall pattern is not constant across habitats, with opposite relationships between biotic homogenisation and change in species association networks in urban versus forest communities suggesting distinct homogenisation processes. Although species associations contain only partial signatures of species interactions, our study highlights that biotic homogenisation translates to finer changes in community structure by affecting the number, strength and type of species associations.

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Section: Discussionsupporting

confidence: 91%

Biotic homogenisation in bird communities leads to large‐scale changes in species associations

Rigal

Devictor

Gaüzère

et al. 2021

Oikos

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“…The negative association between the common chaffinch and the common cuckoo can be linked to the chaffinch’s choice for breeding-site location that reduces parasitism from the cuckoo (Tolvanen et al ., 2017). Negative associations between the mistle thrush ( Turdus viscivorus ) and the common blackbird or the great spotted woodpecker ( Dendrocopos major ) can be the result of territoriality as reported by Skórka & Wójcik (2005), whereas the negative association between the red-legged and the grey partridge are in line with the interspecific competition reported by (Rinaud et al ., 2020). The positive association between the Eurasian treecreeper ( Certhia familiaris ) and the goldcrest may result from exploitation of the treecreeper using high vigilance information from Parus guild species (Henderson, 1989).…”

Section: Discussionsupporting

confidence: 81%

Biotic homogenisation in bird communities leads to large-scale changes in species associations

Rigal

Devictor

Gaüzère

et al. 2020

Preprint

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AimThe impact of global change on biodiversity is commonly assessed in terms of changes in species distributions, species richness and species composition across communities. Whether and how much interactions between species are also changing is much less documented and mostly limited to local studies of ecological networks. Moreover, we largely ignore how biotic homogenisation (i.e. the replacement of a set of diverse and mainly specialist species by a few generalists) is affecting or being affected by changes in the structure of species interactions. Here, we approximate species interactions with species associations based on the correlation in species spatial co-occurrence to understand the spatio-temporal changes of species interactions and their relationship to biotic homogenisation.LocationFrance.Time period2001-2017.Major taxa studiedCommon breeding birds.MethodsWe use network approaches to build three community-aggregated indices to characterise species associations and we compare them to changes in species composition in communities. We evaluate the spatial distribution and temporal dynamics of these indices in a dataset of bird co-abundances of more than 100 species monitored for 17 years (2001-2017) from 1,969 sites across France. We finally test whether spatial and temporal changes of species associations are related to species homogenisation estimated as the spatio-temporal dynamics of β-diversity.ResultsWe document a non-random spatial distribution of both structure and temporal changes in species association networks. We also report a directional change in species associations linked to β-diversity modifications in space and time, suggesting that biotic homogenisation affects not only species composition but also species associations.Main ConclusionsOur study highlights the importance of evaluating changes of species association networks, in addition to species turnover when studying biodiversity responses to global change.

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“…Datasets of the two field trips were combined to avoid that habitat overlap, and similarity analyses were affected by imperfect detection; an issue that can also be accounted for by analysing data using occupancy models (MacKenzie et al 2006), when an adequate number of sampling replicates is available (MacKenzie and Royle 2005; Paniccia et al 2018). In addition, the two main axes of the principal component analyses, In spring, they start to separate again; males show courtship display behaviour; and finally breeding pairs are formed (Potts 2012;Rinaud et al 2020). Common Pheasants concentrate on traditional areas, which provide food and shelter to overwinter in groups (Gates and Hale 1974).…”

Section: Discussionmentioning

confidence: 99%

“…Species-specific knowledge is necessary to gain insight into habitat selection (Harmange et al 2019); however, interspecific competition can shape habitat choice and thereby the species' realized niches (Wang et al 2020). Until now, only a few studies have focussed on the effects of interspecific competition on habitat selection of bird species having a strong association to agricultural areas (Robillard et al 2012;Rinaud et al 2020).…”

Section: Introductionmentioning

confidence: 99%

Habitat preferences and similarities of Grey Partridges and Common Pheasants in agricultural landscapes under organic and conventional farming

et al. 2023

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Agricultural landscapes had been inhabited by a vast number of bird species in the past; however, especially in the last decades, agricultural intensification had negatively affected habitat composition. Habitat heterogeneity decreased and the number of many species inhabiting farmland has severely declined. These landscapes still offer a home for species, but with decreasing environmental variability, less suitable habitat might be available and interspecific competition might have been altered. Agricultural fields under organic farming are often assumed to provide adequate habitats for farmland birds, thus competition for these areas might be high and affect species’ habitat selection. We compared habitat selection of two typical farmland bird species, Grey Partridges (Perdix perdix) and Common Pheasants (Phasianus colchicus), to determine the extent of habitat overlap in agricultural landscapes under organic and conventional farming in spring. Our study showed that both species preferred study squares with high habitat heterogeneity. In addition, squares with agricultural fields (e.g. without culture, winter cereals and fallow land) under organic farming were preferred by Grey Partridges, while Common Pheasants were mainly found on study squares containing agricultural fields under conventional farming. A broad habitat width in respect to food selection might have driven habitat choice of Common Pheasants; however, occupation of agricultural fields under organic farming by Grey Partridge males might also explain habitat selection of Common Pheasants. Awareness should be raised when releasing captive-rearing pheasants because interspecific competition between Grey Partridges and Common Pheasants could also affect fecundity and survival of both species.

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Interspecific competition between two partridges in farmland landscapes

Cited by 7 publications

References 57 publications

Biotic homogenisation in bird communities leads to large‐scale changes in species associations

Biotic homogenisation in bird communities leads to large‐scale changes in species associations

Biotic homogenisation in bird communities leads to large-scale changes in species associations

Habitat preferences and similarities of Grey Partridges and Common Pheasants in agricultural landscapes under organic and conventional farming

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