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Rozprawy doktorskie na temat „Floral resources”

Autor: Grafiati
Data publikacji: 4 czerwca 2021
Data aktualizacji: 25 lipca 2025

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1

Antonsen, Adrienne Kendra. "Spatiotemporal Dynamics of Butterflies and Their Floral Resources." Thesis, North Dakota State University, 2020. https://hdl.handle.net/10365/31830.

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Butterflies fulfill a unique role among insect pollinators as long-distance flyers. This makes butterflies particularly valuable as vectors of genetic diversity among spatially isolated plant populations. Like many insects, though, butterfly populations have experienced significant declines in recent years. To help inform conservation efforts, and to investigate community and species level dynamics, I studied butterflies and their floral resources as part of a three year pollinator survey across the state of North Dakota. At the community level, I analyzed butterfly-flower interaction networks
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Fultz, Jessica Erin. "Effects of shelterwood management on flower-visiting insects and their floral resources." Thesis, Montana State University, 2005. http://etd.lib.montana.edu/etd/2005/fultz/FultzJ0805.pdf.

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Guezen, Jessica. "Past Floral Resources as a Predictor of Present Bee Visits in Agroecosystems." Thesis, Université d'Ottawa / University of Ottawa, 2017. http://hdl.handle.net/10393/37051.

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Relying on wild bees for pollination services has become necessary as the global demand for crops dependent on animal pollination increases. If wild bee populations are to establish and persist in agricultural landscapes, there must be sufficient floral resources over time and space. This study examines the relationship between bee visits in agroecosystems and the spatiotemporal availability of floral resources over one season. I expected that landscapes with greater floral resources earlier in the season would subsequently experience more bee visits than landscapes with fewer early-season flo
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Larsson, Magnus. "To Bee or Not to Be : Critical Floral Resources of Wild-Bees." Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis : Universitetsbiblioteket [distributör], 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-7108.

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Coelho, Aline Goes. "A comunidade de plantas utilizada por beija-flores no sub-bosque de um fragmento de Mata Atl?ntica da Bahia, Brasil." Universidade Estadual de Feira de Santana, 2013. http://localhost:8080/tede/handle/tede/174.

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Submitted by Ricardo Cedraz Duque Moliterno (ricardo.moliterno@uefs.br) on 2015-08-05T23:11:59Z No. of bitstreams: 1 Tese_Aline G?es.pdf: 1583356 bytes, checksum: 25f6a13a73abce0f5006e99d3dcf5038 (MD5)<br>Made available in DSpace on 2015-08-05T23:11:59Z (GMT). No. of bitstreams: 1 Tese_Aline G?es.pdf: 1583356 bytes, checksum: 25f6a13a73abce0f5006e99d3dcf5038 (MD5) Previous issue date: 2013-08-22<br>Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior - CAPES<br>Studies on hummingbird/plant interactions in the Atlantic Forest have been providing major data on ornithophilous plants
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Cutter, Jasmine Antonia Villamarin. "Effect of Livestock Species on Floral Resources and Pollinators in Low-Diversity Grasslands." Thesis, North Dakota State University, 2020. https://hdl.handle.net/10365/31788.

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Livestock management influences the extent to which grazing lands provide resources for native species. We compared how livestock species ? sheep or cattle ? affected floral resources and bee and butterfly communities in low-diversity, post-Conservation Reserve Program (CRP) pastures managed with patch-burning. We sampled bees and butterflies three times per season 2017-2019 and counted flowering stems within 1 m of transects. Pastures grazed by sheep had significantly fewer flowers and significantly lower floral richness than cattle pastures. Native bees were three to sixteen times more abund
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Fonseca, Marina de Magalhães da. "Biologia reprodutiva de Butia odorata (Barb. Rodr.) Noblick." Universidade Federal de Pelotas, 2014. http://repositorio.ufpel.edu.br:8080/handle/prefix/3076.

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Submitted by Gabriela Lopes (gmachadolopesufpel@gmail.com) on 2016-10-03T17:15:46Z No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Dissertação - Marina de Magalhães da Fonseca.pdf: 2736383 bytes, checksum: b1ef8a122c1dc6e2d92f2bb25c8badb3 (MD5)<br>Approved for entry into archive by Aline Batista (alinehb.ufpel@gmail.com) on 2016-10-06T20:42:53Z (GMT) No. of bitstreams: 2 Dissertação - Marina de Magalhães da Fonseca.pdf: 2736383 bytes, checksum: b1ef8a122c1dc6e2d92f2bb25c8badb3 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD
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Felipe, Neto Carlos Antonio Lira. "Influência da estrutura da paisagem sobre a produção e qualidade de mel da abelha jandaíra (Melipona subnitida, Apidae: Meliponini) na Caatinga." Universidade Federal Rural do Semi-Árido, 2015. http://bdtd.ufersa.edu.br:80/tede/handle/tede/394.

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Made available in DSpace on 2016-08-15T20:31:33Z (GMT). No. of bitstreams: 1 CarlosALFN_DISSERT.pdf: 3603295 bytes, checksum: ea97b70f80dd8e319514db5c869b3bda (MD5) Previous issue date: 2015-02-24<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>Although the provision of many ecosystem services has proven affected by changes in land cover and land use, the relationship between landscape structure and the production and quality of stingless bee honey has not been studied yet. This work aimed to analyze the influence of landscape structure on the production and quality of hone
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Lima-Verde, Luiz Wilson. "Melissofaunistic resources of the Baturità mountains, CearÃ, Brazil â diversity and husbandry potential." Universidade Federal do CearÃ, 2011. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=7391.

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Este trabalho objetivou inventariar, atravÃs de metodologia sistematizada, parte da melissofauna do maciÃo de Baturità (4 a 4 30â S e 38 45â a 39 15â W), no CearÃ, bem como, caracteriza-la ecologicamente e conhecer suas potencialidades zootÃcnicas. Selecionaram-se quatro Ãreas de bordas de fragmentos florestais (F1, F2, F3 e F4) em altitudes e vertentes diferentes onde, no perÃodo de marÃo de 2008 a agosto de 2009, mensalmente coletaram-se as abelhas com o uso de redes entomolÃgicas. Paralelamente foi realizada a coleta do material botÃnico registrado como de uso pelas abelhas. O material
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Santos, Jussara Fernanda. "Fenologia da floração e rede de interação entre abelhas e plantas em uma área em processo de restauração florestal localizada em Araras-SP." Universidade Federal de São Carlos, 2012. https://repositorio.ufscar.br/handle/ufscar/11.

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Made available in DSpace on 2016-06-02T18:55:24Z (GMT). No. of bitstreams: 1 4526.pdf: 1647388 bytes, checksum: 446ec4e714da55f46adcbaac1649a8a0 (MD5) Previous issue date: 2012-05-06<br>Financiadora de Estudos e Projetos<br>The most widely used in forest restoration projects is heterogeneous planting seedlings. This methodology was used in an area of one hectare in the restoration process implemented in 2009 on the campus of UFSCar Macaw. High values are invested in financial forest restoration especially when there is a need for planting seedlings, so the assessment and monitoring of restor
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Chambó, Emerson Dechechi. "Polinização em genótipos de girassol (Helianthus annuus L.)." Universidade Estadual do Oeste do Paraná, 2010. http://tede.unioeste.br:8080/tede/handle/tede/1610.

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Made available in DSpace on 2017-07-10T17:48:19Z (GMT). No. of bitstreams: 1 Emerson_Dechechi_Chambo.pdf: 1181208 bytes, checksum: 9f416b41d3821a87e29b1f896bffd971 (MD5) Previous issue date: 2010-03-02<br>The Research consisted of three experiments in Marechal Cândido Rondon city - PR, Brazil. In the first experiment the objective was to verify the influence of Apis Mellifera L. pollination on productive and physiological traits in sunflower achenes. The treatments were constituted by the combination of eight sunflower genotypes (Multissol, M734, Catissol 01, Charrua, MG2, Aguará, Helio 36
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Bryan, Casey J. "THE EFFICACY OF COVER CROPS FOR POLLINATOR HABITAT PROVISION AND WEED SUPPRESSION IN A SOUTHERN ILLINOIS AGROECOSYSTEM." OpenSIUC, 2019. https://opensiuc.lib.siu.edu/theses/2489.

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Increases in agricultural intensification over the past century have resulted in significant alterations to the rural landscape across the Midwest. Pollinators are essential to sustain natural and managed ecosystems. They are vital for food production and their declines have been linked, in part, to a rise in intensive agricultural practices. There is a recognized need among numerous stakeholders to build sustainability into the management of agroecosystems to protect both the biotic and abiotic resources of these systems. The use of cover crops is gaining interest among agricultural produce
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Thoenes, Steven Charles. "Influence of floral resources on honey bee colony growth and reproductive swarming patterns in the Sonoran Desert of Arizona." Diss., The University of Arizona, 1992. http://hdl.handle.net/10150/186019.

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Relationships between patterns of food (nectar and pollen) harvest and honey bee colony growth and reproduction are poorly understood. Research was conducted on the relationships between food harvest and colony growth in the Sonoran desert of Arizona. Annual patterns of resources (pollen harvest rates, pollen protein content, protein influx rates, and nectar harvest) and colony growth and reproduction (brood area, adult population, and reproductive swarm occurrence) for the Tucson area were obtained. Annual patterns were analyzed for periodicity and stability using autocorrelation time series
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Godfrey, Thomas George. "On the floral rewards and flower-visitor assemblages of annual urban flower meadow seed mixes." Thesis, University of Edinburgh, 2017. http://hdl.handle.net/1842/28945.

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Flower seed mixes are increasingly used to enhance the biodiversity and amenity values of urban green spaces. Urban or “pictorial” flower seed mixes are often used because they are designed using cultivars and non-native species to provide more colourful and longer-lasting flower displays. Although these seed mixes are effective in providing a high density of large colourful flowers, over an extended season, their value for biodiversity, and in particular the floral rewards they provide for flower-visitors, is largely unknown. The overall aim of my thesis was to assess and improve the value of
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15

Berndt, Lisa A. "The effect of floral resources on the leafroller (Lepidoptera: Tortricidae) parasitoid Dolichogenidea tasmanica (Cameron)(Hymenoptera: Braconidae) in selected New Zealand vineyards." Lincoln University, 2002. http://hdl.handle.net/10182/1045.

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In this study, buckwheat (Fagopyrum esculentum Moench) and alyssum (Lobularia maritima (L.)) flowers were used to examine the effect of floral resources on the efficacy of the leafroller parasitoid Dolichogenidea tasmanica (Cameron) in vineyards. This was done by assessing the influence of these flowers on parasitoid abundance and parasitism rate, and by investigating the consequences of this for leafroller abundance. In laboratory experiments, alyssum flowers were used to investigate the effect of floral food on the longevity, fecundity and sex ratio of D. tasmanica. Dolichogenidea tasmanica
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Pereira, Jaciara da Silva. "A redução na disponibilidade de recursos florais aumenta o tempo de forrageamento de abelhas sem ferrão (Melipona subnitida, Apidae, Meliponini)." Universidade Federal Rural do Semi-Árido, 2017. http://bdtd.ufersa.edu.br:80/tede/handle/tede/840.

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Evans, Tracie Marie. "Effects of the availability of floral resources on plant-pollinator interactions and the implications for the long-term survival of plant populations." Thesis, University of Edinburgh, 2018. http://hdl.handle.net/1842/33045.

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1. Insect pollinators have been shown to alter their foraging patterns in response to habitat and landscape composition, particularly in relation to changes in the availability of floral resources which provide essential pollen and nectar provisions. Changes to pollinator behaviour and community composition, may alter the distance, directness and frequency of pollen movement and thus, the compatibility and genetic relatedness of pollen transferred between plants. We still lack good understanding of how variation in the spatial and temporal availability of floral resources drives pollinator res
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Varvaro, Megan Frances Varvaro. "The effect of simulated climate change on overwintering physiology in solitary bees and the impacts of floral and landscape resources on nesting." The Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu1532006641206995.

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Wallace, Hailey. "Are We Providing Preferred Floral Resources for Bees in Our Neighborhoods?: Assessing the Relationship Between Small Scale Vegetation Metrics and Bee Presence in SE Portland." PDXScholar, 2019. https://pdxscholar.library.pdx.edu/open_access_etds/5126.

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Bee pollinators can thrive in highly urbanized environments if their preferred floral resources and habitat types are available. Enhanced pollinator habitats are being created globally, with a large local effort in Portland, Oregon. This project determined if we were providing the most preferred floral resources at enhanced pollinator sites for bees, if floral resources were available throughout the season, and if differences in dietary preferences between native and honey bees would allow for the identification of "native bee floral resources" in South East Portland. Bee pollinators were moni
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Robinson, K. A. "Use of floral resources by the lacewing Micromus tasmaniae and its parasitoid Anacharis zealandica, and the consequences for biological control by M. tasmaniae." Diss., Lincoln University, 2009. http://hdl.handle.net/10182/823.

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Arthropod species that have the potential to damage crops are food resources for communities of predators and parasitoids. From an agronomic perspective these species are pests and biocontrol agents respectively, and the relationships between them can be important determinants of crop yield and quality. The impact of biocontrol agents on pest populations may depend on the availability of other food resources in the agroecosystem. A scarcity of such resources may limit biological control and altering agroecosystem management to alleviate this limitation could contribute to pest management. This
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Castro, Lívia Cabral de. "Abelhas eussociais (Hymenoptera, Apidae) que ocorrem em jardins urbanos em Juiz de Fora, MG: recursos florais e atividade de voo." Universidade Federal de Juiz de Fora (UFJF), 2009. https://repositorio.ufjf.br/jspui/handle/ufjf/2760.

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Submitted by Renata Lopes (renatasil82@gmail.com) on 2016-10-06T15:39:53Z No. of bitstreams: 1 liviacabraldecastro.pdf: 1753178 bytes, checksum: 70a02d35eda1c8312e39fcd90d748a40 (MD5)<br>Approved for entry into archive by Adriana Oliveira (adriana.oliveira@ufjf.edu.br) on 2016-10-07T12:13:48Z (GMT) No. of bitstreams: 1 liviacabraldecastro.pdf: 1753178 bytes, checksum: 70a02d35eda1c8312e39fcd90d748a40 (MD5)<br>Made available in DSpace on 2016-10-07T12:13:48Z (GMT). No. of bitstreams: 1 liviacabraldecastro.pdf: 1753178 bytes, checksum: 70a02d35eda1c8312e39fcd90d748a40 (MD5) Previous issue
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Gonella, Gabriel. "Intéractions entre apiculture et agropastoralisme, une approche par les ressources florales." Electronic Thesis or Diss., Université de Toulouse (2023-....), 2025. http://www.theses.fr/2025TLSEP002.

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Le secteur apicole fait face à d’importantes difficultés depuis le début des années 2000, qui se traduisent par une grande variabilité des rendements et d’importantes mortalités. La diminution de la qualité et de la quantité des ressources florales fait partie des facteurs qui expliquent ces difficultés. En France métropolitaine, plus de la moitié de la production de miel est issue de ressources florales directement produites par l’agriculture (colza, tournesol, lavande, prairies). La modernisation agricole est toutefois citée comme l’une des principales responsables de la diminution, en quant
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Sponsler, Douglas B. "Honey bee landscape ecology: foraging, toxic exposure, and apicultural outcomes." The Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1479825586271009.

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Ines, Maria Carolina Checchia da. "Fenologia e Sucesso Reprodutivo de Psychotria suterella (Rubiaceae): efeitos da disponibilidade de recursos e densidade floral." Universidade de São Paulo, 2006. http://www.teses.usp.br/teses/disponiveis/41/41134/tde-15082007-150943/.

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Várias podem ser as causas da variação local no sucesso reprodutivo de espécies vegetais, sendo a disponibilidade de recursos abióticos, herbivoria, polinização e dispersão de sementes comumente consideradas. Em espécies distílicas, a variação na disponibilidade de recursos abióticos pode determinar diferenças na quantidade e no período de produção das estruturas reprodutivas, e estas por sua vez podem influenciar a interação planta polinizador, modulando o comportamento de forrageio de visitantes florais. Este trabalho teve como objetivos verificar como alguns fatores poderiam determinar vari
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Nagamitsu, Teruyoshi. "Community ecology of floral resource partitioning by eusocial bees in an Asian tropical rainforest." 京都大学 (Kyoto University), 1998. http://hdl.handle.net/2433/157161.

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本文データは平成22年度国立国会図書館の学位論文(博士)のデジタル化実施により作成された画像ファイルを基にpdf変換したものである<br>Kyoto University (京都大学)<br>0048<br>新制・課程博士<br>博士(理学)<br>甲第7176号<br>理博第1950号<br>新制||理||1049(附属図書館)<br>UT51-98-G105<br>京都大学大学院理学研究科動物学専攻<br>(主査)教授 山村 則男, 教授 堀 道雄, 教授 湯本 貴和<br>学位規則第4条第1項該当
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Ferreira, Marcos Gonçalves. "PÓLEN COLETADO POR SCAPTOTRIGONA DEPILIS (MOURE, 1942) (HYMENOPTERA : MELIPONINA), NA REGIÃO DE DOURADOS-MS." UNIVERSIDADE FEDERAL DA GRANDE DOURADOS, 2008. http://tede.ufgd.edu.br:8080/tede/handle/tede/264.

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Made available in DSpace on 2016-02-26T14:53:10Z (GMT). No. of bitstreams: 1 MarcosGoncalvesFerreira.pdf: 543502 bytes, checksum: 5c87c5defe939547010a93a1dbc9ef0c (MD5) Previous issue date: 2008-03-25<br>Pollen collected by workers of Scaptotrigona depilis (Moure, 1942) were identified in the region of Dourados, Mato Grosso do Sul, during the period of September, 2006 to August, 2007. From the 43 types of pollen collected , the more representative ones during this period were those from the Myrtaceae (Eucalyptus spp.) and Leguminosae (Mimosoideae and Caesalpinoideae) family. The peaks for th
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Orre, G. U. S. "'Attract and reward' : combining a floral resource subsidy with a herbivore-induced plant volatile to enhance conservation biological control." Diss., Lincoln University, 2009. http://hdl.handle.net/10182/1429.

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Experiments were conducted to assess whether a concept termed 'attract and reward' (A&R) could enhance conservation biological control (CBC). In A&R, a synthetically-produced herbivore induced plant volatile (HIPV) ('attract') is combined with a floral resource ('reward'). It is anticipated that the two will work synergistically attracting natural enemies into the crop ('attract') and maintaining them within the crop ('reward'). The study system consists of brassica, the most commonly occurring brassica herbivores, their natural enemies and higher order natural enemies. The HIPV deployed is me
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Van, Wert Kristina K. "Attractiveness of English thyme (Thymus vulgaris L.) to arthropod natural enemies and its suitability as a dual use resource." DigitalCommons@CalPoly, 2020. https://digitalcommons.calpoly.edu/theses/2179.

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Current agroecosystem management practices have a negative effect on natural enemies and their ability to control insect pests. Conservation biological control through the addition of flowering resources can manage food resources for natural enemies. These floral resources can also provide multiple ecosystem services. Study goals were to determine if perennial Thymus vulgaris L. was attractive to natural enemies and if so, could it be a dual use resource encouraging pest management and providing harvestable product. In 2018 plots in three locations were used to examine the effect of habitat th
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Aleixo, Kátia Paula. "Sazonalidade na disponibilidade de alimento e dinâmica de forrageamento em Scaptotrigona aff. depilis (Hymenoptera, Apidae, Meliponini)." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/59/59131/tde-08072013-103620/.

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Estudos sobre a influência da variação sazonal na disponibilidade de recursos florais na coleta de pólen e néctar pelas abelhas sem ferrão são escassos na literatura devido à ausência de métodos viáveis de se quantificar o alimento armazenado nas colônias por longos períodos. O objetivo desse estudo foi avaliar o armazenamento de alimento em colônias de Scaptotrigona aff. depilis em relação a distribuição espaçotemporal dos recursos florais em uma área urbanizada na região tropical, bem como estratégias utilizadas pelas colônias no período de menor disponibilidade alimentar. De abril de 2011
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Franco, Duran Diana Marcela. "An Enhanced RCS Heuristic and an Enhanced RCPM Algorithm to Perform Delay Analysis in Schedules without Phantom Float." Diss., Virginia Tech, 2020. http://hdl.handle.net/10919/97570.

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On a regular basis, project managers concentrate their efforts on critical and near-critical activities. However, the concepts of total float and critical path lose their significance after applying resource-constrained scheduling (RCS) methodologies. RCS techniques solve the resource conflicts but create phantom float in the schedules (i.e., a float that does not exist). RCS techniques overlook the resources relationships between activities that compete for the same but unavailable resources. Therefore, each time an activity uses this apparent float (phantom float), there is a resource violat
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Seini, Monica Michelle, and n/a. "Bioprospecting and Access to Indigenous Flora: Policy Implications of Contested Ways of 'Knowing' and 'Owning'." Griffith University. School of Science, 2005. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20060302.122535.

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This thesis critically explores the issue of access to biological resources and Indigenous knowledge Historically, biological resources collected and documented, and knowledge associated with their use, have been considered the 'common heritage of mankind' The Convention on Biological Diversity (CBD) changed this understanding to tights of states over biological resources, but also gave rise to issues of equity and justice, especially with regard to Indigenous Nations encapsulated within First World states-so-called 'Fourth World Nations', A central concern of Fourth World Peoples is their mar
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Seini, Monica Michelle. "Bioprospecting and Access to Indigenous Flora: Policy Implications of Contested Ways of 'Knowing' and 'Owning'." Thesis, Griffith University, 2005. http://hdl.handle.net/10072/366804.

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This thesis critically explores the issue of access to biological resources and Indigenous knowledge Historically, biological resources collected and documented, and knowledge associated with their use, have been considered the 'common heritage of mankind' The Convention on Biological Diversity (CBD) changed this understanding to tights of states over biological resources, but also gave rise to issues of equity and justice, especially with regard to Indigenous Nations encapsulated within First World states-so-called 'Fourth World Nations', A central concern of Fourth World Peoples is their mar
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Onishi, Yuko Ogawa. "Climate change and conservation of Japanese flora : the potential impacts and the effects on protected areas." Thesis, University of Oxford, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.669986.

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Schaap, Robbert-Jan [Verfasser], and Florian [Akademischer Betreuer] Diekert. "The Dynamic Preferences and Incentives of Natural Resource Users / Robbert-Jan Schaap ; Betreuer: Florian Diekert." Heidelberg : Universitätsbibliothek Heidelberg, 2021. http://d-nb.info/1234460602/34.

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Kim, Kyunghwan. "A Resource-constrained CPM (RCPM) Scheduling and Control Technique with Multiple Calendars." Diss., Virginia Tech, 2003. http://hdl.handle.net/10919/28139.

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This research presents a Resource-constrained Critical Path Method (RCPM) technique that capitalizes on and improves the existing Critical Path Method (CPM) and Resource-Constrained Scheduling (RCS) techniques. A traditional CPM schedule is not realistic since it assumes unlimited resources, some of which are highly limited in practice. Although traditional RCS techniques can consider resource limitations, they do not provide correct floats and the critical path as the CPM does. The difference between the theoretical remaining total float and the real remaining total float is referred to as
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Kämper, Wiebke [Verfasser], Thomas [Gutachter] Eltz, and Wolfgang H. [Gutachter] Kirchner. "Bumblebees in agricultural landscapes in Central Europe : colony performance, floral resource use and pathogen load / Wiebke Kämper ; Gutachter: Thomas Eltz, Wolfgang H. Kirchner ; Fakultät für Biologie und Biotechnologie." Bochum : Ruhr-Universität Bochum, 2018. http://d-nb.info/1152078070/34.

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Negrean, Mircea Florin [Verfasser], and Rolf [Akademischer Betreuer] Ernst. "Performance Analysis of Multi-Core Multi-Mode Systems with Shared Resources - Principles and Application to AUTOSAR - / Mircea Florin Negrean ; Betreuer: Rolf Ernst." Braunschweig : Technische Universität Braunschweig, 2015. http://d-nb.info/1175818860/34.

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Keppeler, Florian [Verfasser], Ulf [Gutachter] Papenfuß, Adrian [Gutachter] Ritz, and Rick [Gutachter] Vogel. "Perspectives on an Integrated Steering of Human Resources of Public Administration and State-Owned Enterprises / Florian Keppeler ; Gutachter: Ulf Papenfuß, Adrian Ritz, Rick Vogel." Friedrichshafen : Zeppelin Universität, 2021. http://nbn-resolving.de/urn:nbn:de:bsz:1141-opus4-513.

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Wamser, Florian [Verfasser], Phuoc [Gutachter] Tran-Gia, Wolfgang [Gutachter] Kellerer, and Ralf [Gutachter] Steinmetz. "Performance Assessment of Resource Management Strategies for Cellular and Wireless Mesh Networks / Florian Wamser. Gutachter: Phuoc Tran-Gia ; Wolfgang Kellerer ; Ralf Steinmetz." Würzburg : Universität Würzburg, 2015. http://d-nb.info/1103259717/34.

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Lopes, Luciano Elsinor. "Densidade de recursos florais em múltiplas escalas espaciais: conseqüências para a interação planta-polinizador e demografia de Abutilon rufinerve (Malvaceae)." Universidade de São Paulo, 2007. http://www.teses.usp.br/teses/disponiveis/41/41134/tde-20022008-134933/.

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A heterogeneidade comum aos sistemas biológicos, sua influência na interação planta-polinizador e demografia de uma arvoreta tropical são os temas centrais desta tese. Utilizando uma abordagem hierárquica de estrutura de manchas de recursos florais: 1. caracterizamos a variação espaço-temporal na disponibilidade de recursos florais aos morcegos e beija-flores, polinizadores de Abutilon rufinerve. 2. avaliamos a existência de indícios de efeitos positivos ou negativos da densidade de A. rufinerve na atração de visitantes florais, em seu comportamento e possíveis conseqüências para a produção de
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41

Gay, Claire. "Compréhension du rôle des pollinisateurs dans les paysages agricoles dans différents contextes de gestion." Electronic Thesis or Diss., La Rochelle, 2023. http://www.theses.fr/2023LAROS021.

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Conserver les espèces pollinisatrices est un enjeu majeur, notamment en milieu agricole où elles sont indispensables à la pollinisation de différentes cultures. Ici, nous avons décidé de caractériser ces espèces et leurs ressources florales dans une plaine céréalière intensive, à travers l’utilisation de plusieurs années de données acquises grâce à plusieurs protocoles d’échantillonnage. Cette plaine se caractérise par une forte dynamique spatio-temporelle, résultant des floraisons massives mais brèves des cultures oléagineuses. Nous avons recensé sur cette plaine près d’un tiers des espèces d
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Schreiner, Florian [Verfasser], Thomas [Akademischer Betreuer] Magedanz, Odej [Akademischer Betreuer] Kao, Serge [Akademischer Betreuer] Fdida, and Alfonso [Akademischer Betreuer] Ehijo. "Resource efficient quality of service management for NGN services in federated cloud environments / Florian Schreiner. Gutachter: Thomas Magedanz ; Odej Kao ; Serge Fdida ; Alfonso Ehijo. Betreuer: Thomas Magedanz." Berlin : Technische Universität Berlin, 2015. http://d-nb.info/1068255986/34.

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Peyrottes, Agathe. "Modulation of Inflammation in Intestinal Epithelial and Immune Cells by N-Acyl Homoserine Lactones and their Synthetic Analogues." Thesis, Sorbonne université, 2019. https://accesdistant.sorbonne-universite.fr/login?url=http://theses-intra.upmc.fr/modules/resources/download/theses/2019SORUS315.pdf.

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Les MICI sont caractérisées par l’inflammation chronique de l’épithélium intestinal et mettent en jeu des facteurs multiples : environnement, prédisposition génétique, perturbations immunitaires et déséquilibre du microbiote appelé dysbiose. Leur prévalence a fortement augmenté au cours des dernières décennies. L’importance de la relation hôte-microbiote implique le mode de communication bactérienne appelé Quorum Sensing. Basé sur les N-Acyl Homoserine Lactones (AHL) chez les bactéries Gram négatif, celui-ci n’avait jamais été étudié dans le microbiote intestinal humain. Notre équipe a identif
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Cruz, Reinanda Lima da. "Abelhas e vespas solitárias (Hymenoptera, Aculeata) ocupando ninhos-armadilha e recursos alimentares utilizados por Centris (Heterocentris) analis e Centris (Heterocentris) terminata (Hymenoptera, Centridini) em um fragmento de Mata A." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/59/59131/tde-12062017-090651/.

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O objetivo do presente estudo foi inventariar a diversidade de espécies de abelhas e vespas solitárias que nidificam em cavidades preexistentes em um fragmento de Mata Atlântica, componente da paisagem urbana de Salvador, Bahia, ocupado pelo Parque Zoobotânico Getúlio Vargas (PZBGV) e pelo campus da Universidade Federal da Bahia (UFBA), Ondina. Além disso, foi feita a identificação dos recursos florais utilizados por duas espécies de abelhas, Centris (Heterocentris) analis e Centris (Heterocentris) terminata, para aprovisionamento das suas células de cria. A amostragem foi realizada durante o
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LUCCHETTI, LARA. "Vegetazione, fenologia e funzionalità delle comunità semi-naturali degli agroecosistemi nelle Marche, Italia centrale." Doctoral thesis, Università Politecnica delle Marche, 2020. http://hdl.handle.net/11566/274511.

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L’obiettivo principale della tesi è di contribuire allo studio degli ambienti di margine e semi-naturali degli agroecosistemi tramite un ampio approccio che comprende l’analisi floristica, vegetazionale e fenologica, per giungere poi allo studio delle potenzialità produttive degli ambienti di margine, che riguardano le utilizzazioni etnobotaniche e la flora apistica delle comunità vegetazionali in essi presenti. Gli ambienti marginalmente interessati dalle attività agricole svolgono importanti funzioni per l’agroecosistema, sia di tipo agronomico e ambientale, ma soprattutto a vantaggio della
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Walter, Florian [Verfasser], Gerhard [Akademischer Betreuer] Gerold, Gerhard [Gutachter] Gerold, et al. "Conceptual Planning of Managed Aquifer Recharge in the Context of Integrated Water Resources Management for a semi-arid and a tropical Case Study in Palestine and Brazil: A new Integrated MAR Planning Approach. / Florian Walter ; Gutachter: Gerhard Gerold, Bernd Rusteberg, Martin Sauter, Heinz Hötzl, Elco Luijendijk, Martin Kappas ; Betreuer: Gerhard Gerold." Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2018. http://d-nb.info/1164231111/34.

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Hernandez, Perez Sara. "Que faut-il choisir entre une gestion centralisée et un système d’autogestion base sur des mécanismes de marché pour réduire le trafic illégal des espèces faunistiques sauvages : analyse comparative économique et institutionnelle appliquée aux tortues marines en Colombie." Thesis, Paris 10, 2012. http://www.theses.fr/2012PA100206/document.

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Depuis plus de 30 ans, la Colombie construit sa politique de préservation des espèces faunistiques et de lutte contre le trafic illégal de ces espèces. Ce cadre institutionnel national s’est vu renforcé par la ratification de la convention CITES (Convention sur le commerce international des espèces de la flore et de la faune sauvages menacées d’extinction) en 1981. Pourtant, ce cadre institutionnel ne suffit pas à infléchir sur le trafic illégal des tortues marines en Colombie. L’analyse des failles du mode de régulation de type « commande et contrôle » montre les limites de l’intervention de
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Parreira, Tiago Miguel Mota. "Quantifying floral resources for honeybees (Apis mellifera) in portuguese landscapes." Master's thesis, 2021. http://hdl.handle.net/10316/98122.

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Dissertação de Mestrado em Ecologia apresentada à Faculdade de Ciências e Tecnologia<br>A polinização é um serviço de ecossistema crucial para persistência e reprodução das plantas com flores, sendo vital para a manutenção das comunidades de plantas silvestres e da produtividade agrícola. As abelhas-do-mel são polinizadores-chave, fornecendo serviços de polinização para as principais culturas do mundo. Além disso, as abelhas-do-mel têm preferência nas plantas utilizadas para forrageamento, uma vez que o néctar é convertido em mel, que é a principal fonte de energia, enquanto o pólen é a fonte
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Somerville, Doug. "The floral resources of New South Wales of primary importance to commercial beekeeping." Phd thesis, 2004. http://hdl.handle.net/1885/146409.

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Prozesky, Erwin Antoni. "In vitro antimalarial activity of ethnobotanically selected indigenous plants and characterisation of a bioactive compound." Diss., 1999. http://hdl.handle.net/2263/29226.

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Malaria still remains one of the world’s biggest killers with more than two million people dying from the disease each year. Present drugs have become ineffective because parasites are developing resistance to most of them. Efforts are now being directed in obtaining drugs with different structural features. Plants have provided most of the antimalarial drugs so far and efforts now concentrate on screening plants for new antimalarial drugs. South Africa with its rich floral resources and ethnobotanical history is an ideal place to screen plants for antimalarial activity. The antimalarial activ
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