Intensified agricultural land-use and bird conservation in Burkina Faso

Söderström, Bengt; Kiéma, Sébastien; Reid, Robin S.

doi:10.1016/s0167-8809(03)00144-0

Cited by 60 publications

(49 citation statements)

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“…We controlled the effect of rare species (i.e., rare species may unduly influence the results) by considering only those species recorded on more than 10% of transects (Söderström et al 2003). For species richness we used the average of the two surveys of each transect.…”

Section: Discussionmentioning

confidence: 99%

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Landbird Assemblages in Different Agricultural Landscapes: A Case Study in the Pampas of Central Argentina

2013

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Abstract. A combination of elements (e.g., crops and pasture lands, strips of roadside vegetation, woodlots, temporary wetlands) increases the heterogeneity of rural landscapes. Agricultural landscapes range from homogeneous, dominated by a single element (i.e., pure cropland or pure pastoral farming) to heterogeneous, dominated by two or more elements (i.e., mixed farming). In this study we characterized landbird assemblages in various agricultural landscapes (cropland, pastoral, and mixed landscapes) in the Pampas of central Argentina, surveying along transects to quantify species richness, composition, and abundance. Mixed landscapes were more heterogeneous than pastoral areas and cropland. Species richness, particularly of generalists, was greater in mixed landscapes. Richness of grassland specialists (species of increased conservation concern in the Pampas) was lower in croplands than in pastoral and mixed landscapes. An indicator-species analysis supported the association of some grassland specialists (Rhea americana, Asthenes hudsoni, Embernagra platensis, Pseudoleistes virescens) with pastoral landscapes. Our results suggest that maintaining landscape heterogeneity throughout the Pampas (i.e., mixed landscapes) is important for preserving species richness of birds. But several threatened grassland specialists inhabiting the Pampas, such as Rhea americana and Asthenes hudsoni, are found exclusively in pastoral landscapes, so the long-term survival of these species will depend on the conservation of this landscape type.Key words: agroecosystem, grassland bird species, land use, matrix, Neotropical Region. Ensambles de Aves Terrestres en Diferentes Paisajes Rurales: Un Estudio de Caso en las Pampas del Centro de ArgentinaResumen. La combinación de elementos del paisaje (e.g., cultivos, pastizales, vegetación de bordes de caminos, arboledas y humedales temporarios) incrementa la heterogeneidad y define diferentes tipos de paisajes rurales, desde paisajes homogéneos dominados por un único elemento (i.e., paisaje de cultivo o ganadero) hasta paisajes heterogéneos dominados por dos o más elementos (i.e., paisajes mixtos). En este estudio caracterizamos los ensambles de aves terrestres en diferentes tipos de paisajes rurales de la Pampa argentina (paisajes de cultivos, ganaderos y mixtos). Las aves terrestres fueron muestreadas con transectas para determinar la riqueza de especies, la composición y la abundancia en cada tipo de paisaje rural. El paisaje mixto tuvo una mayor heterogeneidad que los paisajes de cultivos y ganaderos. El paisaje mixto tuvo una mayor riqueza de especies que los paisajes de cultivos y ganaderos, en especial de especies generalistas. Por otro lado, el paisaje de cultivos tuvo la menor riqueza de especialistas de pastizal (aquellas con problemas de conservación en la Pampa) que los paisajes ganaderos y mixtos. Un análisis de especies indicadoras destacó la asociación entre algunas especies de pastizal (Rhea americana, Asthenes hudsoni, Embernagra platensis, Pseudoleistes virescens) y el ...

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Section: Discussionmentioning

confidence: 99%

“…This also suggests that nest-site availability plays an important role in determining bird communities in this landscape type. This factor is thought to be key in shaping bird assemblages in agricultural landscapes in general (Söderström et al 2003, Murphy 2003, Askins et al 2007, Isacch and Cardoni 2011.…”

Section: Land-use Intensificationmentioning

confidence: 99%

Landbird Assemblages in Different Agricultural Landscapes: A Case Study in the Pampas of Central Argentina

2013

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“…Emellett az állomány csökkenést befolyásolják a rövid és hosszú távú vonuló madárfajok esetében a telelő területen bekövetkezett változások (például időjárási szélsőségek, élőhelyek eltűnése), amelyeket SANDERSON et al (2006) vizsgálatukban kimutattak, vagy akár a klímaváltozás (ARCHAUX, 2003). A telelő területen végbement agrárintenzifikáció is negatív hatással van a vándorló fajok állományaira (SÖDERSTRÖM et al, 2003).…”

Section: öSszegzésunclassified

Agrártájhoz kötődő madárfajok („farmland birds”) állományának változása, helyzete Európában

Németh¹

2017

MAvK

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The present review aimed to summarize the available evidence on farmland bird populations and their changes over the past decades in Europe. Firstly, a short historical background of the European agricultural intensity is presented. Secondly, the European Farmland Bird Index, published papers and grey literatures were searched and studied to show the recent population trends and population sizes of farmland bird species (37 species selected for monitoring by the EU and more specifically focusing on 10 bird species breeding in Hungary). Finally, a short summary and a conclusion are given.

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“…Loss and degradation of natural habitats, increase in fragmentation and emergence of man-made habitats threatens some species, as well as benefit other (Siriwardena et al, 1998). Some of these benefited species are able to satisfy their needs for food, shelter and reproductive habitat in the new agricultural matrix and may to dominate the assemblages (Söderström et al, 2003;Elmore et al, 2007;Dias et al, 2013) and even become overabundant and cause damage in crops or structures. Understanding the landscape settings that benefit such species and which factors contribute to population dynamics are key issues for proper management (Lutz and Jensen, 2007).…”

Section: Introductionmentioning

confidence: 99%

Effect of land use in seasonal abundance of Eared Dove (Zenaida auriculata) in Southwestern Brazil

Silva

Guadagnin

2017

Braz. J. Biol.

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Changes at the landscape scale associated with expansion in agricultural land use and changes in agricultural practices are common causes of alteration in patterns of abundance and composition of avian communities. Eared Dove (Zenaida auriculata -Des Murs, 1847) is among the most common species in the Neotropics, considered both as game and pest in some countries. Here we characterized the regional and seasonal patterns of Eared Doves abundance in Southwestern Brazil and examined the relationship between landscape features and these abundance patterns. We counted Eared Doves using the point count system along routes in summer and winter and recorded land use at two scales. We used linear regressions to model the effect of landscape matrix and land use at local scale with Doves abundance in two seasons. At the landscape scale, in winter, the abundance was greater in routes crossing landscapes dominated by plantations. In summer, it was lower in routes with large tracts of forests and mixed farming. While in winter, at the local scale, the Doves abundance was greater in routes with higher frequency of maize plantations, in summer higher abundances were observed in routes with higher frequency of sugar cane and soybean plantations. Agricultural settings, which include both sustained production of food in the form of grains as well as and large stretches of habitat suitable for reproduction, favor large population of Eared Doves.Keywords: agricultural landscape, seasonal dove abundance, Atlantic forest fragmentation, habitat correlations, Zenaida auriculata.Efeito do uso do solo na abundância sazonal de pombas-de-bando (Zenaida auriculata) no sudoeste do Brasil ResumoMudanças em escala de paisagem associadas à expansão das áreas destinadas à agricultura e às mudanças nas práticas agrícolas são consideradas importantes causas de alterações nos padrões de composição das comunidades de aves. A pomba-de-bando (Zenaida auriculata -Des Murs, 1847) é uma espécie comum na região Neotropical, sendo considerada tanto um recurso cinegético quanto uma peste agrícola em alguns países. Neste trabalho nós caracterizamos os padrões regionais e sazonais de distribuição populacional de pombas-de-bando em áreas agrícolas do sudoeste do Brasil e examinamos a relação entre características da paisagem e padrões de abundância de pombas. Coletamos os dados em transecções com pontos de contagem, alocados em estradas vicinais, percorridas no verão e no inverno. Utilizamos dados sobre as características da paisagem em duas escalas. Através de análises de regressões lineares modelamos o efeito da paisagem e do uso da terra na abundância de pombas nas duas estações. Na escala da paisagem, no inverno, a abundância foi maior em áreas com predomínio de agricultura. No verão a abundância foi menor em áreas com grandes extensões de florestas e agropecuária. Em relação ao uso do solo, no inverno a abundância de pombas foi maior em regiões com maior frequência de plantações de milho, enquanto no verão, a maior abundância esteve associada à mai...

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Intensified agricultural land-use and bird conservation in Burkina Faso

Cited by 60 publications

References 13 publications

Landbird Assemblages in Different Agricultural Landscapes: A Case Study in the Pampas of Central Argentina

Landbird Assemblages in Different Agricultural Landscapes: A Case Study in the Pampas of Central Argentina

Agrártájhoz kötődő madárfajok („farmland birds”) állományának változása, helyzete Európában

Effect of land use in seasonal abundance of Eared Dove (Zenaida auriculata) in Southwestern Brazil

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