Long-term effects of combined land-use and climate changes on local bird communities in mosaic agricultural landscapes

Gaüzère, Pierre; Barbaro, Luc; Calatayud, François; Princé, Karine; Devictor, Vincent; Raison, L.; Sirami, Clélia; Balent, Gérard

doi:10.1016/j.agee.2019.106722

Cited by 29 publications

(29 citation statements)

References 72 publications

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“…There is also evidence that land‐cover or agricultural practices can cause varying types of range shifts depending on behavioural and trophic characteristics of the species (e.g. Gaüzère et al, 2020; Reino et al, 2018). For example, Spiza americana , a grassland bird from North America, displayed northward expansions during 1960–1980 owing to changes in winter food supply associated with changing agricultural practices from rice growing to cattle raising (MacArthur, 1972).…”

Section: Discussionmentioning

confidence: 99%

Discriminating climate, land‐cover and random effects on species range dynamics

Taheri

García‐Callejas

Araújo

2021

Global Change Biology

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Species are reportedly shifting their distributions poleward and upward in several parts of the world in response to climate change. The extent to which other factors might play a role driving these changes is still unclear. Land‐cover change is a major cause of distributional changes, but it cannot be discarded that distributional dynamics might be at times caused by other mechanisms (e.g. dispersal, ecological drift). Using observed changes in the distribution of 82 breeding birds in Great Britain between three time periods 1968–72 (t1), 1988–91 (t2) and 2007–2011 (t3), we examine whether observed bird range shifts between t1‐t2 and t1‐t3 are best explained by climate change or land‐cover change, or whether they are not distinguishable from what would be expected by chance. We found that range shifts across the rear edge of northerly distributed species in Great Britain are best explained by climate change, while shifts across the leading edge of southerly distributed species are best explained by changes in land‐cover. In contrast, at the northern and southern edges of Great Britain, range dynamics could not be distinguished from that expected by chance. The latter observation could be a consequence of boundary effects limiting the direction and magnitude of range changes, stochastic demographic mechanisms neither associated with climate nor land‐cover change or with complex interactions among factors. Our results reinforce the view that comprehensive assessments of climate change effects on species range shifts need to examine alternative drivers of change on equal footing and that null models can help assess whether observed patterns could have arisen by chance alone.

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Section: Discussionmentioning

confidence: 99%

Discriminating climate, land‐cover and random effects on species range dynamics

Taheri

García‐Callejas

Araújo

2021

Global Change Biology

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“…Some studies have attributed these changes in community composition to increased abundances in species with more generalised habitat preferences, at the expense of more specialised species and vice versa (Davey et al, 2012; Gaüzère et al, 2020; Kampichler et al, 2012). Though understudied, characterizing community membership in this way is difficult, as population characteristics of a species could change over time; see Dennis et al (2011), who note that environmental changes represent opportunities for generalists to adapt, but specialists are limited in their ability to respond.…”

Section: Introductionmentioning

confidence: 99%

Evaluating compositional changes in the avian communities of eastern North America using temperature and precipitation indices

Curley

Manne

Ramírez‐Garofalo

et al. 2022

Journal of Biogeography

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Aim: Species distributions are altered by climate change, resulting in changes in community composition. How communities are changing with climate is important for understanding the dynamics of changing diversity patterns. In this study, we employ two community weighted means (CWMs) of temperature (CTI) and precipitation (CPI) to evaluate patterns in climate-driven community changes.Location: Eastern North America between −100° and −60° longitude and 25°-50°N latitude. Taxon: North American birdsMethods: We used North American Breeding Bird Survey (BBS) data from 1990 to 2018 to test the spatiotemporal trends of these indices at a sub-continental (across all BBS routes) and at a regional scale (sub-continental scale partitioned by 5° latitude bands). We employ a jackknife analysis to highlight individual species contributions to CTI and CPI trends and further identify group characteristics of species based on relative abundance trends and range expansion and contraction trends.Results: Across all BBS routes, temperature marginally increased and precipitation significantly increased. At the sub-continental scale, we found no correlation between CTI and temperature, but a positive correlation between CPI and precipitation. CTI and CPI both increased, driven by increased abundances of "warm" and "wet" dwelling species expanding in range. Regional scale CTI and CPI patterns deviated from sub-continental patterns. CTI was driven by "warm" dwelling species increasing in abundance and expanding in range, whereas decreases in "dry" dwelling species contracting in range drove CPI trends at the highest latitudes. Main conclusions:The concurrent use of CTI and CPI highlights that community dynamics are more complicated than using temperature metrics alone. Employing more than one community index demonstrates how simultaneous increases in two separate evaluative indices can have disproportionate effects on the number of species that contribute to a trend and highlight disparate mechanisms that contribute to these underlying differences.

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“…This selected mostly specialist species, considered as urban winners (Guetté et al ., 2017), forming differentiated communities of species able to deal with this environment. Such a filter selecting for specialists in perturbed areas was previously shown on bird species (Gaüzère et al ., 2020). But these specialists were functionally far from each other and, consequently, they did not strongly interact as they did not “know” the other species (Mönkkönen et al ., 2017).…”

Section: Discussionmentioning

confidence: 77%

“…with less and less visible niches processes. Yet, anthropogenic perturbations can also act as a strong filter selecting for more specialist species (Gaüzère et al ., 2020), in which case the Grinellian filter outweighs the Eltonian one. While many studies have evidenced the impact of global change on biotic homogenisation (Newbold et al ., 2018), whether homogenisation in species composition is related to a directional change in species associations remains to be explored (Li et al ., 2018).…”

Section: Introductionmentioning

confidence: 99%

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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Long-term effects of combined land-use and climate changes on local bird communities in mosaic agricultural landscapes

Cited by 29 publications

References 72 publications

Discriminating climate, land‐cover and random effects on species range dynamics

Discriminating climate, land‐cover and random effects on species range dynamics

Evaluating compositional changes in the avian communities of eastern North America using temperature and precipitation indices

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

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