Gotowa bibliografia na temat „Farmland birds”

Utwórz poprawne odniesienie w stylach APA, MLA, Chicago, Harvard i wielu innych

Wybierz rodzaj źródła:

Zobacz listy aktualnych artykułów, książek, rozpraw, streszczeń i innych źródeł naukowych na temat „Farmland birds”.

Przycisk „Dodaj do bibliografii” jest dostępny obok każdej pracy w bibliografii. Użyj go – a my automatycznie utworzymy odniesienie bibliograficzne do wybranej pracy w stylu cytowania, którego potrzebujesz: APA, MLA, Harvard, Chicago, Vancouver itp.

Możesz również pobrać pełny tekst publikacji naukowej w formacie „.pdf” i przeczytać adnotację do pracy online, jeśli odpowiednie parametry są dostępne w metadanych.

Artykuły w czasopismach na temat "Farmland birds"

1

Robertson, Jeremy, i Åke Berg. "Status and population changes of farmland birds in southern Sweden". Ornis Svecica 2, nr 3–4 (1.10.1992): 119–30. http://dx.doi.org/10.34080/os.v2.23054.

Pełny tekst źródła
Streszczenie:
Since 1950 there have been considerable changes in the use of Swedish farmland which have led to a more large-scale, homogeneous and intensively managed agricultural landscape. These changes in Swedish farmland have affected the populations of many farmland birds. We give the densities of 29 selected farmland birds and 15 selected species of forest birds at eight large study sites (farmland landscapes of 14.5–21.5 km2 size; total of 140 km2) in southern Sweden and review the population changes of 48 species of farmland birds in southern Sweden. The number of breeding farmland bird species at the different sites was positively correlated with total farmland area, area of scrub and trivial deciduous forest, as well as with the fragmentation of the forest landscape; there were more farmland species in fine-grained than in coarse-grained landscapes. Species found in forest edges and dry pastures were the most widespread ones (found at most sites), and included several species with high densities. Most of these species have not decreased as dramatically as other species. Several species of arable land were also widespread, but most of them have declined in numbers since 1950, possibly as a consequence of changes in farming practices. Meadow is the farmland habitat that has declined most, and this is reflected in the low densities and scattered distribution of many species found on cut or grazed meadows. Several of these species are now largely confined to marginal habitats and areas where farmland still has a traditional structure. However, on abandoned meadows overgrown with bushes and trees a few successful colonists are increasing in numbers. Of the 48 farmland birds breeding in Sweden the populations of only 10 have remained relatively stable since 1950; seventeen have increased (8 markedly) while 21 have decreased (12 markedly). Of the 21 species that primarily breed on farmland, 9 (43%) have declined markedly compared with only 3 (11%) of the 27 secondary farmland birds, which have a large proportion of the population in other habitats. Similarly, only 5% of the primary species have increased markedly compared with 26% of the secondary species. More primary than secondary farmland species are also extinct, or categorized as endangered, vulnerable or requiring consideration on Swedish Red Data lists. Large parts of the Swedish farmland are now being taken out of production, which probably will have negative effects on several farmland bird populations.
Style APA, Harvard, Vancouver, ISO itp.
2

He, Mengxuan, Ziling Dai, Xunqiang Mo, Zhengwang Zhang, Jin Liu, Weipan Lei, Weiqing Meng, Beibei Hu i Wenbin Xu. "Annual Dynamics of Bird Community at a Coastal Wetland and Their Relation to Habitat Types: The Example of Beidagang Wetland, Northern China". Journal of Marine Science and Engineering 11, nr 2 (3.02.2023): 342. http://dx.doi.org/10.3390/jmse11020342.

Pełny tekst źródła
Streszczenie:
In order to provide more scientific guidance for wetland bird protection, this study addressed the dynamics of the bird community sorted by ecotypes, classifications and threat categories from 2015 to 2019, and non-metric multidimensional scaling analysis, generalized additive models and the Mantel test were used to examine the relationships between bird communities and habitat types. The results showed that: (1) The abundance of birds peaked in 2017 at 88,258 individuals and then declined. Moreover, there was an inverse trend between species richness and abundance of birds, meaning greater abundance is associated with fewer species. (2) Swimming birds were dominant ecotypes and Anseriformes possessed the highest abundance. It was noteworthy that the abundance of critically endangered birds (Aythya baeri and Grus leucogeranus) and the species richness of endangered birds increased. (3) Building land and farmland had dominant impacts on the composition of bird community. Wading birds and birds in Gruiformes were significantly impacted by building land and farmland, and near threatened species were substantially influenced by farmland. Therefore, maintaining good connectivity between protected areas and surrounding areas is one of the best ways to effectively manage biodiversity of the target area. This research may provide a broader insight for coastal wetland bird habitat management and bird diversity preservation.
Style APA, Harvard, Vancouver, ISO itp.
3

Morelli, Federico. "Quantifying Effects of Spatial Heterogeneity of Farmlands on Bird Species Richness by Means of Similarity Index Pairwise". International Journal of Biodiversity 2013 (23.05.2013): 1–9. http://dx.doi.org/10.1155/2013/914837.

Pełny tekst źródła
Streszczenie:
Many studies have shown how intensification of farming is the main cause of loss biodiversity in these environments. During the last decades, agroecosystems in Europe have changed drastically, mainly due to mechanization of agriculture. In this work, species richness in bird communities was examined on a gradient of spatial heterogeneity of farmlands, in order to quantify its effects. Four categories of farmland spatial heterogeneity were defined, based on landscape and landuse parameters. The impact of features increasing the spatial heterogeneity was quantified comparing the similarity indexes between bird communities in several farmlands of Central Italy. The effects of environmental variables on bird richness were analyzed using GLM. The results highlighted that landscape features surrogates of high nature values (HNVs) of farmlands can increase more than 50% the bird species richness. The features more related to bird richness were hedgerows, scattered shrubs, uncultivated patches, and powerlines. The results confirm that the approach based on HNV for evaluating the farmlands is also suitable in order to study birds’ diversity. However, some species are more sensitive to heterogeneity, while other species occupy mainly homogeneous farmlands. As a consequence, different conservation methods must be considered for each farmland bird species.
Style APA, Harvard, Vancouver, ISO itp.
4

Buckingham, D. L., i W. J. Peach. "The influence of livestock management on habitat quality for farmland birds". Animal Science 81, nr 2 (październik 2005): 199–203. http://dx.doi.org/10.1079/asc50700199.

Pełny tekst źródła
Streszczenie:
AbstractAbstract This review covers research linking foraging habitat quality for birds to livestock management in lowland farmland. Based on this research we propose a framework for predicting the value of grazing systems to birds. This predictive framework is needed to guide the development of agri-environment measures to address farmland bird declines in pastoral areas. We show that the exacting requirements of declining granivorous birds pose the greatest challenges, while the needs of soil invertebrate feeding species are more easily met.
Style APA, Harvard, Vancouver, ISO itp.
5

Guerrero, Santiago. "Farmland Birds under Pressure". EuroChoices 17, nr 3 (grudzień 2018): 24–25. http://dx.doi.org/10.1111/1746-692x.12204.

Pełny tekst źródła
Style APA, Harvard, Vancouver, ISO itp.
6

Dieterich, Martin. "Conservation and Farmland Birds". Conservation Biology 24, nr 4 (4.02.2010): 1165–66. http://dx.doi.org/10.1111/j.1523-1739.2010.01545.x.

Pełny tekst źródła
Style APA, Harvard, Vancouver, ISO itp.
7

Budka, Michał, Marek Jobda, Paweł Szałański i Hubert Piórkowski. "Acoustic approach as an alternative to human-based survey in bird biodiversity monitoring in agricultural meadows". PLOS ONE 17, nr 4 (8.04.2022): e0266557. http://dx.doi.org/10.1371/journal.pone.0266557.

Pełny tekst źródła
Streszczenie:
Acoustic monitoring has been tested as an alternative to the traditional, human-based approach of surveying birds, however studies examining the effectiveness of different acoustic methods sometimes yield inconsistent results. In this study we examined whether bird biodiversity estimated by traditional surveys of birds differs to that obtained through soundscape surveys in meadow habitats that are of special agricultural importance, and whether acoustic monitoring can deliver reliable indicators of meadows and farmland bird biodiversity. We recorded soundscape and simultaneously surveyed birds by highly skilled human-observers within a fixed (50 m and 100 m) and unlimited radius using the point-count method twice in the breeding season at 74 recording sites located in meadows, in order to compare differences in (1) bird biodiversity estimation of meadow, farmland, songbird, and all bird species and (2) the detection rate of single bird species by these two methods. We found that recorders detected more species in comparison to the human-observers who surveyed birds within a fixed radius (50 and 100 m) and fewer when detection distance for human-observers was unlimited. We did not find significant differences in the number of meadow and farmland bird species detected by recorders and observers within a 100 m radius–the most often used fixed radius in traditional human based point-counts. We also showed how detection rate of 48 the most common bird species in our study differ between these two methods. Our study showed that an acoustic survey is equally effective as human observers surveying birds within a 100 m radius in estimation of farmland and meadow bird biodiversity. These groups of species are important for agricultural landscape and commonly used as indicators of habitat quality and its changes. Even though recorders rarely detect species that remain mostly silent during the observation periods, or species that are further distant than 100 m away, we recommend using acoustic soundscape recording methods as an equally effective and more easily standardised alternative for monitoring of farmland and meadow bird biodiversity. We propose adaptation of acoustic approach to long-term, large-scale monitoring by collecting acoustic data by non-specialists, including landowners and volunteers, and analysing them in a standardised way by units supervising monitoring of agriculture landscape.
Style APA, Harvard, Vancouver, ISO itp.
8

Kopij, G. "Avian assemblages in lowland and foothill agro-ecosystem in Lesotho". Acta Biologica Sibirica 4, nr 4 (22.12.2018): 81–88. http://dx.doi.org/10.14258/abs.v4.i4.4879.

Pełny tekst źródła
Streszczenie:
During the years 1996-2001, the line transect method has been employed to assess the species composition, dominance structure and relative abundance of birds resident in traditional farmlands, in the lowlands (10 transects with the total length of 43.9 km) and foothills (10 transects with the total length of transects 46.5 km) of Lesotho, southern Africa. This has been done to show the role of this farming in biodiversity conservation. A total of 76 resident species have been recorded in farmlands of Lesotho, 62 species in the lowlands and 53 species in the foothills. In the lowland farmlands the dominant group was composed of 6 species, namely the Prinia, Cape Bunting, Cinnamon-breasted Bunting, Cape Canary, Neddicky and Common Quail (35.8 %); in the foothills the group was composed 5 species: Karoo Prinia, Cape-turtle Dove, Laughing Dove, Cape Bunting and Cape Canary (35.9 %). Eighteen species bred in significantly different densities in lowlands and foothills. While insectivorous birds were more numerous in the lowland than foothill, the reverse was true with granivorous birds. Those two guilds comprised together 78% and 83% in the lowland and foothill respectively. The proportion of species in each guild was similar. In the lowland farmland the following eight species were more common that in the foothill farmlands, while in foothill farmland 10 species were more numerous than in lowland farmland. Species diversity and evenness were strikingly high and similar in lowlands and foothills, although Sorensen Similarity Index between these two areas was low (I = 0.44). Both species diversity and structure of dominance in avian communities in Lesotho farmlands indicate that the traditional farming play a positive role in biodiversity conservation.
Style APA, Harvard, Vancouver, ISO itp.
9

SANTOS, TOMÁS, ROBERTO CARBONELL, AITOR GALARZA, JAVIER PÉREZ-TRIS, ÁLVARO RAMÍREZ i JOSÉ LUIS TELLERÍA. "The importance of northern Spanish farmland for wintering migratory passerines: a quantitative assessment". Bird Conservation International 24, nr 1 (3.06.2013): 1–16. http://dx.doi.org/10.1017/s0959270913000191.

Pełny tekst źródła
Streszczenie:
SummaryMigratory birds are critically dependent on adequate wintering habitats for their long-term survival. Cantabrian farmland, a mixed agricultural landscape extending across the coastal lowlands of northern Spain, constitutes an important wintering area for many short-distance migrants coming from central-western and northern Europe. Unfortunately, the Common Agricultural Policy of the European Union and national afforestation schemes have resulted in a massive replacement of farmland by pinePinusspp. and eucalyptEucalyptussp. plantations. This work assesses the importance of Cantabrian farmland as wintering grounds for short-distance European migrants and for wintering species that originate in nearby woodlands. We examined the seasonal changes in passerine bird populations in the Cantabrian region and used winter ringing recoveries obtained in the area to evaluate the contribution made by European migrants to winter populations. Bird communities were surveyed along 299 500-m long transects distributed between 67 farmland patches, 67 lowland forests and 14 upland forests. Winter assemblages were more diverse and species more abundant in farmland than in lowland or upland forests, whereas these differences were smaller in the spring. Bird numbers in farmland tripled in winter, numbers increasing by about 6.9 million birds compared to breeding populations. Most of this increase was accounted for by species that also bred in the region and that considerably increased their abundance (65.6% of all wintering birds, with the ChaffinchFringilla coelebsresponsible for 31.4% of the total increase) and by five exclusively wintering species (34.4%, with the Meadow PipitAnthus pratensisaccounting for 25.2% of the total increase). The main bulk of this increase is caused by the influx of European migrants. The importance of halting the current spread of eucalypt plantations (which increased over 400% over the past 30 years) and of applying more effective agri-environment schemes to achieve appropriate farmland conservation is discussed.
Style APA, Harvard, Vancouver, ISO itp.
10

Traba, Juan, i Cristian Pérez-Granados. "Extensive sheep grazing is associated with trends in steppe birds in Spain: recommendations for the Common Agricultural Policy". PeerJ 10 (28.02.2022): e12870. http://dx.doi.org/10.7717/peerj.12870.

Pełny tekst źródła
Streszczenie:
Iberian natural steppes have traditionally been used for extensive sheep grazing, which has been noted to be positively associated with steppe bird abundance and diversity. Sheep numbers in Spain, which harbors the largest European populations of many steppe bird species, decreased by 9.2 million (37.3%) between 1992 and 2020. Steppe birds in Spain have faced dramatic declines during the same period, but there is a lack of knowledge about the potential association between sheep and open-habitat bird declines. We used sheep data from the Spanish Ministry of Agriculture and bird data (1998–2018) from the Spanish Common Bird Monitoring Program to assess the association at the Spanish scale between sheep decline and the Farmland Bird Index (FBI) and the Natural Shrub-steppe Bird Index (SBI). We also used an independent dataset on population trends of the Dupont’s Lark (Chersophilus duponti) to assess the relationship between sheep numbers and the decline of this threatened steppe specialist passerine in Spain, whose European population is restricted to Iberian natural steppes. To test for a spurious relationship between temporal series, variables were tested for cointegration. After confirming cointegration, we found a strong positive relationship between sheep abundance and the trends of the FBI and SBI indices during the period 1998–2018. The association between sheep abundance and trends of the Dupont’s Lark (2004–2015) was positive although it was not statistically significant. Although the main causes of decline of farmland and steppe birds are mainly related to agricultural intensification and land use changes, the correlation found, using two independent cointegrated datasets, between the reduction in farmland and shrub-steppe birds and sheep numbers at the country scale suggests that the decline of steppe birds in Spain may be also associated with the decline in sheep numbers. This agrees with previous studies that found a positive relationship between intermediate levels of sheep grazing and steppe bird abundance in Iberian steppes. Further research (e.g. experimental studies) is needed to corroborate our study and identify the most appropriate level of grazing intensity for protecting the most farmland and shrub-steppe birds. Our results suggest that the promotion of extensive grazing should be considered as a key factor in future Common Agricultural Policy reforms and conservation programmes to protect steppe birds.
Style APA, Harvard, Vancouver, ISO itp.

Rozprawy doktorskie na temat "Farmland birds"

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.

Pełny tekst źródła
Style APA, Harvard, Vancouver, ISO itp.
2

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

Pełny tekst źródła
Streszczenie:
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 herbaceous vegetation and field margins whilst song thrush nest density was greatest in hedgerows and woodland. Birds did not utilise the available habitat at random for nesting. Provisioning skylarks and yellowhammers utilised managed set-aside strips more than would be expected, although both foraged in cereals. Song thrushes foraged primarily in woodland and boundary habitats, avoiding cereal crops, permanent pasture and set-aside. The largest cause of nest failure for each study species was predation. Skylark nest survival improved with increasing vegetation density at the nest site. Yellowhammer nest survival was affected by temperature and rainfall. Song thrush nest survival was affected by predator control, nest site location on the farm and habitat. Skylarks selected sparse vegetation and bare ground when foraging in winter cereals. Each species selected some invertebrate taxa over others, independently of chick age. Skylarks and yellowhammers did not forage in sites with greater invertebrate abundance than others, but song thrushes tended to forage in habitats with higher invertebrate biomass. Skylark chick growth rates were positively influenced by set-aside and negatively by spiders in the diet and the proportion of 'other habitats' around the nest. Skylark chicks with higher growth rates were more likely to fledge. No habitat effects or environmental factors were found to affect song thrush chick growth rates. Tagged skylark chicks exhibited a low post-fledgling survival rate, with most predated whilst flightless. This thesis identified actual and potential conservation benefits for nationally declining skylark, yellowhammer and song thrush populations arising from the management of cropped and non-cropped habitats.
Style APA, Harvard, Vancouver, ISO itp.
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.

Pełny tekst źródła
Style APA, Harvard, Vancouver, ISO itp.
4

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

Pełny tekst źródła
Streszczenie:
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 they may have affected farmland bird populations in a number of ways. There is little long-term data on abundance of farmland invertebrates. Thus we first looked at how representative data from a long-running suction trap was of invertebrate abundance on local farmland. Suction trap catches reflected abundance of aerial invertebrates on local farmland, and also to abundance of epigeal invertebrates in many cases, particularly abundances in predominant crop types. Secondly, we looked at spatial and temporal distribution of invertebrates on farmland in order to make recommendations about how to increase invertebrate availability to farmland bird populations. Field margins were by far the most invertebrate rich habitats sampled. Most differences in invertebrate abundance between different crop types were found early in the season, at this time spring barley and spring oilseed rape had very low abundances. Winter wheat had relatively high invertebrate abundance compared to spring barley at this time. Winter oilseed rape and set-aside had relatively high abundances of the crop types sampled. We investigated how low invertebrate abundance may have affected populations of granivorous passerines by looking for evidence of reproductive trade-offs in a population of Tree Sparrows, and by supplementary feeding experiments with Tree Sparrow and Yellowhammer chicks. There was no evidence for reproductive trade-offs within years, conversely an effect of individual quality was found. There was some evidence of reproductive trade-offs between years. Supplementary feeding increased the mass of Tree Sparrow first broods early in May but not later in May, and also of chicks with yearling parents, who had a lower provisioning rate. Chicks fledged early in May had a lower survival rate to the following year than chicks fledged later, supplementary feeding and parental age had no effect on chick survival. Supplementary feeding a parent's first brood had no effect on their later reproductive output that season, or on their survival to the next breeding season. Supplementary feeding Yellowhammer chicks early season increased their mass, but had no effect later in the season. This complies with results from a previous study of Yellowhammers in southern England, which showed that a higher proportion of chicks fledge late in the season. Further analysis of this data showed that this was because chicks were more likely to starve early in the season, and also that chick mass was lower early season, even when just looking at chicks which went on to fledge. Thus, it would appear that low invertebrate abundance was affecting the granivorous passerines looked at most in the early season, and through chick mass and survival. Measures to increase invertebrate abundance at this time would be beneficial to populations of granivorous passerines.
Style APA, Harvard, Vancouver, ISO itp.
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.

Pełny tekst źródła
Style APA, Harvard, Vancouver, ISO itp.
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.

Pełny tekst źródła
Streszczenie:
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 little evidence for consistent impacts on the breeding biology, but considerable circumstantial evidence that declines in winter food supply have been a major cause of the declines. 3. Three species of seed-eating passerine are studied in detail, skylark Alauda arvensis, yellowhammer Emberiza citrinelia and com bunting Miliaria calandra. In winter, yellowhammers and com buntings used stubble fields exclusively; skylarks much preferred stubble fields. All avoided winter cereal fields. This is related to seed density, stubble fields held virtually all the cereal grain found in the soil and many more weed seeds than winter cereal fields. 4. The functional responses of skylarks, yellowhammers and com buntings are described. Seed availability plays an important role in determining intake rate, with seeds buried beneath the surface harder to obtain, particularly for yellowhammers. Seed availability has more general implications for the nature of functional responses. 5. Bird numbers were related to seed density, the aggregative response. The scale at which aggregative responses were observed varied between species. The availability of seeds in the soil column affected the birds use of fields, with the number of seeds on the surface important. The location of hedgerows was also important, yellowhammers and com buntings preferred to forage close to them, skylarks did not. 6. The general effects of overwinter mortality on population size are modelled and the effects of two causes of winter mortality, starvation and predation are analysed. Individuals traded-off these two risks which had an interactive effect on mortality. Density-dependence in the breeding season interacts with winter mortality to set population size. 7. The results presented in this thesis are used to model the effects of habitat changes on populations of seed-eating birds. The predicted population, on the basis of winter food supply, was close to the current actual population size. These models are used to assess the effectiveness of different management options, with unharvested conservation headlands being best for species such as the yellowhammer and tree sparrow Passer montanus, while set-aside is best for species such as the skylark.
Style APA, Harvard, Vancouver, ISO itp.
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.

Pełny tekst źródła
Streszczenie:
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 breeding bird speCies, territories, and numbers as single hedgerows (P < 0.001). Significantly more birds were also recorded on the inside of green lanes than on the outside. Bird occurrence on green lanes was influenced by hedge width and surrounding land use. Significantly more nests were also found in green lanes than single hedgerows during the breeding seasons of 2003 and 2004. Predation rates were found to be similar for both field boundary tYPes when studied using artifiCial nests.
Style APA, Harvard, Vancouver, ISO itp.
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.

Pełny tekst źródła
Style APA, Harvard, Vancouver, ISO itp.
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.

Pełny tekst źródła
Streszczenie:
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 turn will contribute to the conservation of farmland birds. Comparisons between agri-environment pasture, 2m and 6m arable margins, longterm set-aside and intensively grazed pasture revealed that 6m margins and longterm set-aside tended to support significantly higher densities of adult C. paralle/us. The abundance of nymphs, however, did not appear to differ between the habitats surveyed. The abundance of C. parallelus adults and nymphs was influenced by a combination of sward architecture and botanical composition. Sward height was particularly important. Early stage nymphs preferred short swards, and as individuals matured sward height preferences shifted towards taller swards. Sward heights on agrienvironment pastures appear to be too short to benefit adult C. parallelus, whilst swards on arable margins are too tall to benefit nymphs. Mowing in July significantly reduced the abundance of C. parallelus adults and late stage nymphs, whereas mowing in May appeared to benefit early stage nymphs. The most critical and simplest improvement on current management practices would be to delay the mowing of grasslands and arable margins, which commonly occurs in July or August, until later in the season. It is proposed here that mowing should not be undertaken before September. Furthermore, results suggest that grazing on agrienvironment pastures should be lighter if higher abundances of C. parallelus are required to benefit farmland bird populations.
Style APA, Harvard, Vancouver, ISO itp.
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.

Pełny tekst źródła
Style APA, Harvard, Vancouver, ISO itp.

Książki na temat "Farmland birds"

1

McKnight, Gillian. Farmland birds. Edinburgh: Scottish Agricultural College, 2001.

Znajdź pełny tekst źródła
Style APA, Harvard, Vancouver, ISO itp.
2

Donaghy, Anita. Birds of Irish farmland: Conservation management guidelines. Sandy, Bedfordshire: The Royal Society for the Protection of Birds, 1999.

Znajdź pełny tekst źródła
Style APA, Harvard, Vancouver, ISO itp.
3

Badger, Rebecca. A management guide to birds of Scottish farmland. (Edinburgh): Royal Society for the Protection of Birds, 1996.

Znajdź pełny tekst źródła
Style APA, Harvard, Vancouver, ISO itp.
4

Wilson, Jeremy D. Birds and agriculture: The bird life of farmland, grassland, and heathland. Cambridge: Cambridge University Press, 2009.

Znajdź pełny tekst źródła
Style APA, Harvard, Vancouver, ISO itp.
5

Wilson, Jeremy D. Birds and agriculture: The bird life of farmland, grassland, and heathland. Cambridge: Cambridge University Press, 2009.

Znajdź pełny tekst źródła
Style APA, Harvard, Vancouver, ISO itp.
6

Dodds, G. W. A management guide to birds of upland farmland. Sandy: RSPB, 1996.

Znajdź pełny tekst źródła
Style APA, Harvard, Vancouver, ISO itp.
7

Chamberlain, D. E. The effects of agricultural management on farmland birds. Norfolk: British Trust for Ornithology, 1999.

Znajdź pełny tekst źródła
Style APA, Harvard, Vancouver, ISO itp.
8

Dodds, G. W. A management guide to the birds of lowland farmland. Sandy: RSPB, 1995.

Znajdź pełny tekst źródła
Style APA, Harvard, Vancouver, ISO itp.
9

Lovegrove, Roger. Silent fields: The current status of farmland birds inWales = Gwlad tawel. Newtown, Powys: RSPB, 1995.

Znajdź pełny tekst źródła
Style APA, Harvard, Vancouver, ISO itp.
10

Lovegrove, Roger. Silent fields =: Gwlad tawel : the current status of farmland birds in Wales. Newtown (Powys): RSPB Wales, 1995.

Znajdź pełny tekst źródła
Style APA, Harvard, Vancouver, ISO itp.

Części książek na temat "Farmland birds"

1

Wilcox, J. C., A. Barbottin, D. Durant, M. Tichit i D. Makowski. "Farmland Birds and Arable Farming, a Meta-Analysis". W Sustainable Agriculture Reviews, 35–63. Cham: Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-319-00915-5_3.

Pełny tekst źródła
Style APA, Harvard, Vancouver, ISO itp.
2

Tryjanowski, Piotr, i Federico Morelli. "Suitable Methods for Monitoring HNV Farmland Using Bird Species". W Birds as Useful Indicators of High Nature Value Farmlands, 53–68. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-50284-7_4.

Pełny tekst źródła
Style APA, Harvard, Vancouver, ISO itp.
3

Yinka-Banjo, Chika O., Wahab A. Owolabi i Andrew O. Akala. "Birds Control in Farmland Using Swarm of UAVs: A Behavioural Model Approach". W Advances in Intelligent Systems and Computing, 333–45. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-01177-2_24.

Pełny tekst źródła
Style APA, Harvard, Vancouver, ISO itp.
4

Benedetti, Yanina. "Spread of the Concept of HNV Farmland in Europe: A Systematic Review". W Birds as Useful Indicators of High Nature Value Farmlands, 27–35. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-50284-7_2.

Pełny tekst źródła
Style APA, Harvard, Vancouver, ISO itp.
5

Hurford, Clive. "The Impact of Land-Use Change on Arable Plant Habitats and Wintering Farmland Birds on a Farm in South-West Wales, UK". W The Changing Status of Arable Habitats in Europe, 255–78. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-59875-4_17.

Pełny tekst źródła
Style APA, Harvard, Vancouver, ISO itp.
6

Yamanaka, Satoshi, Masashi Hanioka i Futoshi Nakamura. "Changes in Ground Beetle and Bird Species After Farmland Abandonment". W Biodiversity Conservation Using Umbrella Species, 207–19. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-7203-1_15.

Pełny tekst źródła
Style APA, Harvard, Vancouver, ISO itp.
7

Morelli, Federico, Yanina Benedetti i Piotr Tryjanowski. "Introduction". W Birds as Useful Indicators of High Nature Value Farmlands, 1–26. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-50284-7_1.

Pełny tekst źródła
Style APA, Harvard, Vancouver, ISO itp.
8

Šímová, Petra. "Identifying HNV Areas Using Geographic Information Systems and Landscape Metrics". W Birds as Useful Indicators of High Nature Value Farmlands, 37–51. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-50284-7_3.

Pełny tekst źródła
Style APA, Harvard, Vancouver, ISO itp.
9

Morelli, Federico, Leszek Jerzak i Piotr Tryjanowski. "Case Study 1. Bird as Indicators of HNV: Case Study in Farmlands from Central Italy". W Birds as Useful Indicators of High Nature Value Farmlands, 71–88. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-50284-7_5.

Pełny tekst źródła
Style APA, Harvard, Vancouver, ISO itp.
10

Rabaça, João E., Luísa Catarino, Pedro Pereira, António Luís i Carlos Godinho. "Case Study 2. Birds as Indicators of HNV: Case Study in Portuguese Cork Oak Montados". W Birds as Useful Indicators of High Nature Value Farmlands, 89–106. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-50284-7_6.

Pełny tekst źródła
Style APA, Harvard, Vancouver, ISO itp.
Oferujemy zniżki na wszystkie plany premium dla autorów, których prace zostały uwzględnione w tematycznych zestawieniach literatury. Skontaktuj się z nami, aby uzyskać unikalny kod promocyjny!

Do bibliografii