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Dissertations / Theses on the topic 'Farmland birds'

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1

Wretenberg, Johan. "The decline of farmland birds in Sweden /." Uppsala : Department of Conservation Biology, Swedish University of Agricultural Sciences, 2006. http://epsilon.slu.se/2006113.pdf.

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2

Murray, Kathryn A. "Factors affecting foraging by breeding farmland birds." Thesis, Open University, 2004. http://oro.open.ac.uk/54449/.

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This thesis investigates nesting success, foraging behaviour, chick diet and growth of three ecologically contrasting species (skylark Alauda arvensis, yellowhammer Emberiza citrinella and song thrush Turdus philomelos) on farmland, in relation to microhabitat and the availability of invertebrates. Fieldwork was conducted on a lowland mixed arable farm in Leicestershire over the breeding seasons 2000 - 2002. Telemetry was used to monitor adult song thrushes and fledgling skylarks. Skylark nest density was highest in set-aside and lowest in crops, yellowhammer nest density was greatest in herba
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3

Söderström, Bo. "Farmland birds in semi-natural pastures : conservation and management /." Uppsala : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 1999. http://epsilon.slu.se/avh/1999/91-576-5463-8.pdf.

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4

Bright, Jennifer Anne. "Insects on farmland and their importance to granivorous birds." Thesis, University of Stirling, 2004. http://hdl.handle.net/1893/2158.

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Many species of farmland birds have shown huge declines in numbers and range since the 1970s due to agricultural intensification, and these declines have been worst amongst granivorous species. Recent studies have suggested that low abundance of invertebrate chick food may have been important in driving the declines of a number of granivorous species, however causation has still only been proved for the Grey Partridge, whose decline has been attributed to low chick survival due to the indirect effects of herbicides reducing invertebrate abundance. We investigated invertebrate declines and how
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5

Hulme, Mark F. "The density and diversity of birds on farmland in West Africa." Thesis, St Andrews, 2007. http://hdl.handle.net/10023/424.

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6

Robinson, Robert A. "The ecology and conservation of seed-eating birds on farmland." Thesis, University of East Anglia, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.389198.

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1. Many species of bird breeding in Britain have declined in recent decades. However, only in the farmland ecosystem are the majority of species, primarily seed-eating passerines, declining. Similar declines in these species are also occurring elsewhere in Europe and North America. This thesis aims to model the effects of habitat change on population size ofthese species through an understanding of their behaviour. 2. A wide range of factors, primarily relating to the intensification of agricultural management, have been implicated in these declines, and these are reviewed in detail. There is
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7

Walker, M. P. "Farmland birds in field margins with special reference to green lanes." Thesis, Staffordshire University, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.487035.

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l~:' . Abstract Fannland birds have undergone large declines in Britain and throughout Europe over the last fifty or so years. Green lanes (two hedgerows separated by an unmetalled farmland track) have only just begun to have their potential for wildlife recognised within farmland, with a few studies revealing their substantial benefits for butterflies, bees and wild flowers. This study examines the value ofgreen lanes for farmland birds, comparing 20 green hi.ries with paired single hedgerows around Chester, UK over the years 2002-2004. Green lanes were found to hold about three times as many
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8

Abson, David James. "Landscape heterogeneity, farmland birds and economic resilience in UK lowland agroecosystems." Thesis, University of Leeds, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.539712.

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9

Smith, W. D. "Managing agri-environment grass fields and margins for Orthoptera and farmland birds." Thesis, University of Reading, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.538719.

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Grasshoppers and bush-crickets, collectively known as Orthoptera, are a critical invertebrate prey group for a number of declining farmland birds, including the cirl bunting (Emberiza cirlus). This study focuses on one species of Orthoptera, the meadow grasshopper (Chorthippus parallelus). The key objective was to provide an evidence base in order to identify the agri-environment scheme prescriptions and management practices of greatest value to C. parallelus. This information will help formulate management recommendations that will enhance C. parallelus abundance in agro-ecosystems, which in
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10

Robinson, Lynsey J. "Spatial scale and depletion models of farmland birds in a fragmented landscape." Thesis, University of Reading, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.402785.

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11

McHugh, Niamh. "Breeding farmland birds and the role of habitats created under agri-environment schemes." Thesis, Imperial College London, 2015. http://hdl.handle.net/10044/1/55243.

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In this thesis, I aim to assess how farmland birds use insect-rich agri-environment scheme (AES) foraging habitats during the breeding season and how such birds might benefit from them. It is particularly focused on how the coverage and quality (measured by insect food levels and food accessibility) of AES habitats influence territory selection, foraging activities and breeding success. The thesis begins by explaining why farmland birds have declined, reviewing how AES may help reverse these trends, along with outlining why AES may fail to benefit breeding birds (Chapter one). I then investiga
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12

Haslem, Angie, and angie haslem@deakin edu au. "Landscape Pattern, Countryside Heterogeneity and Bird Conservation in Agricultural Environments." Deakin University. Life and Environmental Sciences, 2008. http://tux.lib.deakin.edu.au./adt-VDU/public/adt-VDU20090114.101341.

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Agricultural environments are critical to the conservation of biota throughout the world. This is due both to the limited extent of current reserve systems and the large, and still expanding, proportion of terrestrial environments already dominated by agricultural land-uses. Consequently, there is a growing call from scientists around the world for the need to maximise the conservation value of agricultural environments. Efforts to identify key influences on the conservation status of fauna in agricultural landscapes have taken complementary approaches. Many studies have focussed on the role o
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13

Moorcroft, Darren. "The causes and decline of the linnet Carduelis cannabina within the agricultural landscape." Thesis, University of Oxford, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.365717.

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14

Roos, Staffan. "Nest predation processes and farmland birds : habitat selection and population dynamics of predators and prey /." Uppsala : Dept. of Conservation Biology, Swedish Univ. of Agricultural Sciences, 2004. http://epsilon.slu.se/s301.pdf.

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15

Butler, Simon J. "Stubble field prescriptions for farmland birds : the role of sward structure in mediating food availability." Thesis, University of Oxford, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.409722.

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16

Kasoar, Timothy. "Impacts of flood-mediated disturbance on species of High Nature Value farmland." Thesis, University of Cambridge, 2019. https://www.repository.cam.ac.uk/handle/1810/287531.

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High Nature Value farmland (HNVf) refers to traditional agricultural landscapes which support high levels of biodiversity. HNVf is declining across Europe, through both intensification and abandonment, raising concerns about the conservation of species associated with it. One argument is that such HNV species are better described as being dependent on disturbance, and that management practices on HNVf mimics the effects of natural disturbance processes such as herbivory, fire, severe weather and flooding, which are often suppressed across much of Europe. If true, one innovative approach for co
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17

Cunningham, Heidi Margaret. "The effect of non-inversion tillage on farmland birds, soil and surface-active invertebrates and surface seeds." Thesis, Open University, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.417462.

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18

Woodhouse, Simon Peter. "The effects of agricultural change on Welsh farmland birds : analyses at different spatial scales and implications for conservation." Thesis, University of East Anglia, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.251566.

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19

Pringle, Henrietta. "Nesting and brood-rearing opportunities for farmland birds in and around Miscanthus and short rotation coppice biomass crops." Thesis, Imperial College London, 2015. http://hdl.handle.net/10044/1/56106.

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Reaching the EU target for renewable energy is likely to encourage a rapid expansion of biomass crop production in the UK. This expansion could pose a considerable threat to farmland birds, via the loss of suitable nesting habitat for ground-breeding birds or by decline in availability and accessibility of foraging resource for other farmland birds. Alternatively, the low-input management of biomass crops may provide benefits over more intensively managed arable crops. The potential impacts of biomass expansion on nesting and foraging opportunities were therefore investigated by examining the
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20

Dugdale, Stephen John. "GIS-based modelling of the distribution of farmland birds in England and Wales using atlas data and functional guilds." Thesis, University of East Anglia, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.539337.

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21

Csiki, Krisztina. "The effect of habitat type on farmland bird populations : In Tarnava Mare Natura2000 reserve, Romania." Thesis, Uppsala universitet, Institutionen för biologisk grundutbildning, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-410034.

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Widespread extinction is a critical threat to biodiversity and is largely caused by human overexploitation of habitat and populations. A widely used and hence well studied organism group for indication of biodiversity is birds. In Europe especially, farmland specialists have suffered from intensified agricultural practices such as increase of monoculture, use of pesticides, and heavy machinery. This has been shown to be partly caused by an EU legislation called the Common Agricultural Policy (CAP). A specific type of farmland, termed High Nature Value (HNV) farmland, seems to be particularly a
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22

Sanz, Pérez Ana. "Integrating agriculture and conservation: The value of fallow land and its management for farmland and steppe bird conservation." Doctoral thesis, Universitat de Barcelona, 2021. http://hdl.handle.net/10803/673809.

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Extensive farmland ecosystems are widespread and biodiversity-rich, yet they face important human pressures since the beginning of agriculture intensification, which is leading them into a severe biodiversity crisis. As a result, farmland bird populations - particularly specialist species such as steppe birds - are declining dramatically. In Europe, steppe birds are associated with “cereal steppes”, which are extensive agricultural landscapes where crop rotations include fallow fields. Fallows are key breeding and foraging habitats for farmland birds and usually present open vegetation structu
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23

Teillard, d'Eyry Félix. "Reconciling food production and biodiversity in farmlands : the role of agricultural intensity and its spatial allocation." Phd thesis, Université René Descartes - Paris V, 2012. http://tel.archives-ouvertes.fr/tel-00766882.

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During the past several decades, agricultural intensification has been crucial to increase the food supply. Several processes related to intensification are very detrimental to the environment, particularly biodiversity. Today, agriculture is facing the challenge of satisfying its demand for food while improving its environmental sustainability. Knowledge of the shape of the relationship between biodiversity and intensity is necessary to determine both where conservation policies will be most effective and how to allocate intensity to reconcile production and biodiversity. Few empirical studie
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24

Miguet, Paul. "Influence de l’hétérogénéité du paysage sur la distribution et la dynamique des populations." Thesis, Montpellier 2, 2013. http://www.theses.fr/2013MON20152.

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L'objectif de cette thèse est de comprendre comment l'hétérogénéité du paysage (i.e. composition, structuration spatiale et dynamique temporelle) affecte les populations, notamment dans les paysages agricoles, fortement structurés par la mosaïque des parcelles et les rotations culturales. Nous abordons cette question à la fois de manière théorique (en simulant des dynamiques de populations dans des paysages aux propriétés spatiales et temporelles contrôlées) mais également empirique (en analysant la sélection d'habitat par la communauté de passereaux des paysages agricoles).Nous avons ainsi mo
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25

Evans, K. L. "The effects of agriculture on swallows Hirundo rustica." Thesis, University of Oxford, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.365372.

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26

Browne, Stephen John. "The breeding ecology of a declining farmland bird : the turtle dove Streptopelia turtur." Thesis, De Montfort University, 2002. http://hdl.handle.net/2086/7980.

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27

Engelen, Dries. "Comparing avifauna communities and bird functional diversity of forest and farmland in southwest Ethiopia." Thesis, Stockholms universitet, Botaniska institutionen, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-86015.

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Worldwide degradation and conversion of tropical forests affects many species and their provided ecosystem services. Among them are birds, responsible for pollination, seed dispersal, pest control and scavenging. This study, conducted in southwest Ethiopia, compares species composition and bird functional diversity between forest and homegardens close to and far from forest, both in terms of species numbers and bird abundances. Point counts and mist netting were used to obtain data. While the former method detected more species, abundance data from the latter revealed patterns not observed by
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28

Gaffard, Agathe. "(Sur) Vivre en milieu agricole : approche systémique des effets sublétaux des pesticides sur l'état de santé de la perdrix grise (Perdix Perdix)." Electronic Thesis or Diss., La Rochelle, 2023. http://www.theses.fr/2023LAROS001.

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Depuis plusieurs décennies, le déclin des oiseaux spécialistes des milieux agricoles anime le monde scientifique à travers une large documentation sur les causes et les conséquences de ce phénomène. Une des questions clefs porte sur la part de responsabilité des pesticides dans cette tendance, car les études menées jusqu’ici indiquent des relations de cause à effet sans pour autant identifier clairement les mécanismes sous-jacents. L'un des défis majeurs est donc de fournir des faits pertinents sur le plan biologique pour une meilleure évaluation des risques liés aux pesticides pour les oiseau
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29

Perkins, Allan John. "Causes of decline and conservation solutions for Corn Buntings Emberiza calandra in eastern Scotland." Thesis, University of Edinburgh, 2012. http://hdl.handle.net/1842/7764.

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The Corn Bunting Emberiza calandra is one of the most severely declining farmland birds across Europe. In the UK, numbers fell by 86% between 1967 and 2008. Corn Buntings favour open landscapes, nest on or close to the ground, are often polygynous, double-brooded, and have a seed-based diet supplemented in summer by invertebrates. This study investigated the recent causes of decline in arable and mixed farmland in eastern Scotland, and sought to identify potential conservation solutions that could be delivered through agri-environment schemes (AES). Combining new data with analyses of existing
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30

Mulwa, Ronald K. [Verfasser], Katrin [Akademischer Betreuer] Böhning-Gaese, and Rüdiger [Akademischer Betreuer] Wittig. "Spatial and temporal fluctuations in bird communities along a forest-farmland gradient in western Kenya / Ronald K. Mulwa. Gutachter: Katrin Böhning-Gaese ; Rüdiger Wittig. Betreuer: Katrin Böhning-Gaese." Frankfurt am Main : Univ.-Bibliothek Frankfurt am Main, 2012. http://d-nb.info/1044275189/34.

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31

Santana, Joana Figueiredo. "Linking biodiversity, landscape dynamics and agricultural policies to inform conservation on farmland: The case of Mediterranean farmland birds." Doctoral thesis, 2017. https://repositorio-aberto.up.pt/handle/10216/106148.

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32

Santana, Joana Figueiredo. "Linking biodiversity, landscape dynamics and agricultural policies to inform conservation on farmland: The case of Mediterranean farmland birds." Tese, 2017. https://repositorio-aberto.up.pt/handle/10216/106148.

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33

Bobo, Kadiri Serge. "From forest to farmland: Effects of land use on understorey birds of Afrotropical rainforests." Doctoral thesis, 2007. http://hdl.handle.net/11858/00-1735-0000-0006-B62D-0.

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34

Faria, João Pedro Leite. "Nest predation of ground-nesting birds in Mediterranean Farmland: afforestation effects and main predators." Master's thesis, 2016. https://repositorio-aberto.up.pt/handle/10216/90911.

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Faria, João Pedro Leite. "Nest predation of ground-nesting birds in Mediterranean Farmland: afforestation effects and main predators." Dissertação, 2016. https://repositorio-aberto.up.pt/handle/10216/90911.

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36

KALINOVÁ, Karolína. "Vliv intenzity hospodaření a biotopové struktury na ptačí společenstva v zemědělské krajině." Master's thesis, 2018. http://www.nusl.cz/ntk/nusl-375306.

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The thesis presents data from bird monitoring, carried out in agricultural landscape in borderland of Southern Moravia (Czech republic) and Lower Austria (Austria). Relations among habitats and bird species richness and abundance are studied and data from both countries compared.
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37

Reino, Luís Miguel Nunes Valente Afonso. "Farmland bird response to land use changes: the role of habitat fragmentation." Doctoral thesis, 2009. http://hdl.handle.net/10400.5/2452.

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Doutoramento em Engenharia Florestal - Instituto Superior de Agronomia<br>Socioeconomical changes from recent decades in Mediterranean farmland habitats have caused the abandonment of less fertile arable land in many regions. Together, these relatively recent changes in land use patterns have progressively resulted in the loss and fragmentation of many arable habitats for farmland birds. In this thesis I evaluated the consequences of habitat fragmentation driven by land use changes in a pseudo-steppe area in Southern Portugal. Land use changes included afforestation of arable habitats, la
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38

Bobo, Kadiri Serge [Verfasser]. "From forest to farmland : effects of land use on understorey birds of Afrotropical rainforests / vorgelegt von Kadiri Serge Bobo." 2007. http://d-nb.info/988874008/34.

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39

Hanzelka, Jan. "Vliv prostředí na vnitrodruhové rozdíly ve změnách početnosti polních ptáků." Master's thesis, 2012. http://www.nusl.cz/ntk/nusl-305078.

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Farmland bird populations in Europe have been in decline for a long time. Agricultural intensification and growing a large share of crops that provide suboptimal breeding habitat could be the main causes of the observed decline. To explore these possible drivers, I focused on population trends of farmland bird species in different habitats in the Czech Republic over the periods 1982-1990 and 1990-2010. Specifically, I focused on the variability in trends within each species in respect to the differences in landscape management between the lowlands and mid-altitude areas before and after 1990.
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40

"Asian Great Bustards: From Conservation Biology to Sustainable Grassland Development." Doctoral diss., 2015. http://hdl.handle.net/2286/R.I.29963.

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abstract: The Great Bustard (Otis tarda) is an iconic species of the temperate grasslands of Europe and Asia, a habitat that is among the least protected ecosystems in the world. A distinct subspecies, the Asian Great Bustard (O. t. dybowskii), is poorly understood due to its wary nature and remote range in Siberia, Mongolia, and northern China. This subspecies is now endangered by rapid development. Using satellite telemetry and remote sensing, I investigated three aspects of the Asian Great Bustard’s ecology critical to its conservation: migratory routes, migratory cues, and habitat use pa
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41

Wu, Yi-Ting, and 巫宜庭. "Assessing the Habitat Suitability for Farmland Bird Guilds." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/2mkm5f.

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碩士<br>國立中興大學<br>園藝學系所<br>107<br>In recent years, Taiwan''s rapid economic development, as well as the urban planning area continued being allocated, resulting in diverse land use patterns. On top of that, farmland is constantly converted to construction sites, roads or other land types, not only decreasing natural functions of agricultural ecosystems but also influencing living organisms accordingly. In order to promote rational allocation of agricultural land resources, to protect prime farmlands and to ensure sustainability, it is necessary to identify ecological characteristics and types of
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42

Rajmonová, Lenka. "Význam remízků a jejich ekologických vlastností pro ptáky v intenzivně obhospodařované zemědělské krajině." Master's thesis, 2019. http://www.nusl.cz/ntk/nusl-404904.

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Various types of woody vegetation are a key biodiversity refugee in intensively managed agricultural landscapes. However, the role of woodlots, representing an important type of such a vegetation, remains overlooked so far. Whereas the previous studies focused on the effect of their area, shape and isolation, consequences of variation in their habitat quality for biodiversity were not assessed up to now. This thesis is thus one of the first studies focusing on woodlots as a specific habitat for birds in agricultural landscape. My goals were: (I) to find out what is the bird community compositi
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Fischer, Christina. "Einfluss von ökologischem Landbau und Landschaftskomplexität auf die Wirbeltierdiversität und Ökosystemfunktionen." Doctoral thesis, 2010. http://hdl.handle.net/11858/00-1735-0000-0006-B054-C.

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Schmidt, Jan-Uwe. "Nutzungsintegrierter Artenschutz für Feldlerche Alauda arvensis und Kiebitz Vanellus vanellus auf Äckern mit Wintergetreide oder Winterraps." Doctoral thesis, 2017. https://tud.qucosa.de/id/qucosa%3A31148.

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The populations of many farmland birds have severely declined during the past years. Even (formerly) common species such as the Eurasian Skylark (Alauda arvensis) and the Northern Lapwing (Vanellus vanellus) are strongly affected. The declines were mainly caused by agricultural intensification. In response to the declines, agri-environmental schemes (AES) that integrate protection objectives into agricultural practices are a promising strategy. Until 1992 all EU member states were obliged to develop agri-environment programmes and since this time, AES are widely used. AES are often criticised
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