Which regional features of Danish agriculture favour the corn bunting in the contemporary farming landscape?

Fox, Tony

doi:10.1016/j.agee.2008.02.010

Cited by 10 publications

(7 citation statements)

References 14 publications

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“…National statistics on herbicide use support this conclusion, as the annual active-substancetreated area of cereals increased by 53% across Scotland from 1990 to 2008 (FERA 2011). Several studies have shown that intensity of crop management is important for this species (Donald & Aebischer 1997, Fox & Heldbjerg 2008, Setchfield et al 2012) and the strong influence of weed abundance on all measured aspects of Corn Bunting territory occupancy in our study is consistent with those findings. It is likely therefore that intensification of crop management rather than changes in cropping areas was the main cause of the population decline in our study.…”

Section: Conservation Implicationssupporting

confidence: 92%

“…Autumn-sowing also removes the opportunity for overwinter stubbles, which are important foraging habitats for Corn Buntings outside the breeding season (e.g. Several studies have shown that intensity of crop management is important for this species (Donald & Aebischer 1997, Fox & Heldbjerg 2008, Setchfield et al 2012) and the strong influence of weed abundance on all measured aspects of Corn Bunting territory occupancy in our study is consistent with those findings. In the present study, there were no clear trends in cropping across the 20 years and many crops (c. 40% of cereals) were spring-sown, yet the Corn Bunting population declined to near-extinction.…”

Section: Conservation Implicationssupporting

confidence: 92%

“…Corn Buntings have declined across Europe at an average of 4% p.a. Densities are highest in low-intensity mixed farmland (Donald & Aebischer 1997, Fox & Heldbjerg 2008 and the largest declines are in countries whose agriculture has intensified and specialized most (BirdLife International 2004). Densities are highest in low-intensity mixed farmland (Donald & Aebischer 1997, Fox & Heldbjerg 2008 and the largest declines are in countries whose agriculture has intensified and specialized most (BirdLife International 2004).…”

mentioning

confidence: 99%

“…since 1980 (PECBMS 2011). Densities are highest in low-intensity mixed farmland (Donald & Aebischer 1997, Fox & Heldbjerg 2008 and the largest declines are in countries whose agriculture has intensified and specialized most (BirdLife International 2004). In the UK, numbers fell by 86% between 1967 and 2008 (Baillie et al 2010).…”

mentioning

confidence: 99%

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Conservation insights from changing associations between habitat, territory distribution and mating system of Corn Buntings Emberiza calandra over a 20‐year population decline

Perkins

Watson²,

Maggs

et al. 2012

Ibis

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Associations between habitat and animal distributions are widely used to make conservation recommendations. However, short‐term studies do not allow investigation of temporal variation in associations as habitats change or populations decline. Here we quantify changes in the habitat attributes and distribution of breeding territories in a multiple‐brooded, crop‐nesting farmland bird, the Corn Bunting Emberiza calandra, over a 20‐year period during which the study population declined by 91%. Corn Buntings were positively associated with weedy fields, overhead wires, spring cereals and, in early summer, with winter barley and forage grass. Territory associations with wires (positive) and fallow (positive in early summer, negative in late summer) were stronger in later years when the population was smaller. Trends in the proportions of males holding territories into late summer (decline), and mated polygynously or not at all (increases), suggested that habitat quality declined and became more spatially variable in later years. Field size increased and weed abundance within fields declined, reducing the availability of field‐boundary song‐posts, invertebrate‐rich foraging habitats and physical cover for nests within crops. Conservation recommendations are for weed‐rich or under‐sown spring cereals and winter barley combined with late‐cut hay and fallow, especially when offered close to song‐posts such as overhead wires. We also demonstrate the value of long‐term studies by comparing our 20‐year analysis with 3‐year periods at the start, middle and end of this period, and expose some risks of conservation recommendations derived from short studies.

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Section: Conservation Implicationssupporting

confidence: 92%

Section: Conservation Implicationssupporting

confidence: 92%

mentioning

confidence: 99%

mentioning

confidence: 99%

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Conservation insights from changing associations between habitat, territory distribution and mating system of Corn Buntings Emberiza calandra over a 20‐year population decline

Perkins

Watson²,

Maggs

et al. 2012

Ibis

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“…The Corn Bunting has strongly declined in recent years in the UK (Chamberlain et al 2000), Ireland (Taylor andO'Halloran 2002), Denmark (Fox and Heldbjerg 2008) and Portugal (Moreira et al 2005). The Calandra Lark shows a moderate decline in Spain, where the Corn Bunting population is stable (Carrascal and Palomino 2008).…”

Section: Introductionmentioning

confidence: 95%

Effects of landscape, conspecifics and heterospecifics on habitat selection by breeding farmland birds: the case of the Calandra Lark (Melanocorypha calandra) and Corn Bunting (Emberiza calandra)

et al. 2011

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The aim of habitat selection studies is to understand the effect of the different factors affecting the spatial distribution of individuals. Within this framework, the aim of this study was to evaluate the relative contributions of landscape features and conspecific and heterospecific interactions to habitat selection by two sympatric species, the Calandra Lark Melanocorypha calandra and the Corn Bunting Emberiza calandra, during the breeding season. During the 2008 breeding season, the population of both species was censused in three Central Spanish locations by means of transects (N = 58). A model-averaging approach was used to determine the weight and effect of landscape and interaction variables in each species' habitat selection using abundance as the dependent variable. Deviance partitioning was used to determine the unique and shared contributions of these two sets of variables to the variation explained by the models. Calandra Lark was positively associated with mean field size, which reflects its preference for relatively simplified landscapes with a low density of field margins and, consequently, small land-use diversity.

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A Discovery of the True Relationship Between Biodiversity and Economic Growth in Light of COVID-19

Taha

Yousri

Richter³

2022

Climate Change and Environmental Sustainability

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Which regional features of Danish agriculture favour the corn bunting in the contemporary farming landscape?

Cited by 10 publications

References 14 publications

Conservation insights from changing associations between habitat, territory distribution and mating system of Corn Buntings Emberiza calandra over a 20‐year population decline

Conservation insights from changing associations between habitat, territory distribution and mating system of Corn Buntings Emberiza calandra over a 20‐year population decline

Effects of landscape, conspecifics and heterospecifics on habitat selection by breeding farmland birds: the case of the Calandra Lark (Melanocorypha calandra) and Corn Bunting (Emberiza calandra)

A Discovery of the True Relationship Between Biodiversity and Economic Growth in Light of COVID-19

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