989 resultados para Bird community
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Audit report on Indian Hills Community College in Ottumwa, Iowa for the year ended June 30, 2011
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Audit report on Clarke Community School District in Osceola, Iowa for the year ended June 30, 2011
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Audit report on Sheldon Community School District in Sheldon, Iowa for the year ended June 30, 2011
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Report on a special investigation of the Clarke Community School District cheerleading account for the period August 19, 2008 through June 30, 2011
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Information on the effects of released wild-type or genetically engineered bacteria on resident bacterial communities is important to assess the potential risks associated with the introduction of these organisms into agroecosystems. The rifampicin-resistant biocontrol strain Pseudomonas fluorescens CHA0-Rif and its derivative CHA0-Rif/pME3424, which has improved biocontrol activity and enhanced production of the antibiotics 2,4-diacetylphloroglucinol (Phl) and pyoluteorin (Plt), were introduced into soil microcosms and the culturable bacterial community developing on cucumber roots was investigated 10 and 52 days later. The introduction of either of the two strains led to a transiently enhanced metabolic activity of the bacterial community on glucose dimers and polymers as measured with BIOLOG GN plates, but natural succession between the two sampling dates changed the metabolic activity of the bacterial community more than did the inoculants. The introduced strains did not significantly affect the abundance of dominant genotypic groups of culturable bacteria discriminated by restriction analysis of amplified 16S rDNA of 2500 individual isolates. About 30-50% of the resident bacteria were very sensitive to Phl and Plt, but neither the wild-type nor CHA0-Rif/pME3424 changed the proportion of sensitive and resistant bacteria in situ. In microcosms with a synthetic bacterial community, both biocontrol strains reduced the population of a strain of Pseudomonas but did not affect the abundance of four other bacterial strains including two highly antibiotic-sensitive isolates. We conclude that detectable perturbations in the metabolic activity of the resident bacterial community caused by the biocontrol strain CHA0-Rif are (i) transient, (ii) similar for the genetically improved derivative CHA0-Rif/pME3424 and (iii) less pronounced than changes in the community structure during plant growth.
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Long-Term Community Recovery Targeted Technical Assistance Strategy is an outcome of the coordinated effort of the city, Rebuild Iowa Office and Federal Emergency Management Agency Emergency Support Function. In partnership with City officials and RIO and informed by community outreach efforts, provided Targeted Technical Assistance to the community. This support helped the community identify and provide visibility to recovery issues, needs and opportunities that when addressed can result in a more effective long-term recovery for the community.
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Long-Term Community Recovery Targeted Technical Assistance Strategy is an outcome of the coordinated effort of the city, Rebuild Iowa Office and Federal Emergency Management Agency Emergency Support Function. In partnership with City officials and RIO and informed by community outreach efforts, provided Targeted Technical Assistance to the community. This support helped the community identify and provide visibility to recovery issues, needs and opportunities that when addressed can result in a more effective long-term recovery for the community.
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Long-Term Community Recovery Targeted Technical Assistance Strategy is an outcome of the coordinated effort of the city, Rebuild Iowa Office and Federal Emergency Management Agency Emergency Support Function. In partnership with City officials and RIO and informed by community outreach efforts, provided Targeted Technical Assistance to the community. This support helped the community identify and provide visibility to recovery issues, needs and opportunities that when addressed can result in a more effective long-term recovery for the community.
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Long-Term Community Recovery Targeted Technical Assistance Strategy is an outcome of the coordinated effort of the city, Rebuild Iowa Office and Federal Emergency Management Agency Emergency Support Function. In partnership with City officials and RIO and informed by community outreach efforts, provided Targeted Technical Assistance to the community. This support helped the community identify and provide visibility to recovery issues, needs and opportunities that when addressed can result in a more effective long-term recovery for the community.
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Audit report on Sibley-Ocheyedan Community School District in Sibley, Iowa for the year ended June 30, 2011
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1. The environment of parasites is determined largely by their hosts. Variation in host quality, abundance and spatial distribution affects the balance between selection within hosts and gene flow between hosts, and this should determine the evolution of a parasite's host-range and its propensity to locally adapt and speciate. 2. We investigated the relationship between host spatial distribution and (1) parasite host range, (2) parasite mobility and (3) parasite geographical range, in a comparative study of a major group of avian ectoparasites, the birds fleas belonging to the Ceratophyllidae (Siphonaptera). 3. Flea species parasitizing colonial birds had narrower host ranges than those infesting territorial nesters or birds with an intermediate level of nest aggregation. 4. The potential mobility and geographical ranges of fleas decreased with increasing level of aggregation of their hosts and increased with the fleas' host ranges. 5. Birds with aggregated nest distribution harboured more flea species mainly due to a larger number of specialists than solitarily nesting hosts. 6. These results emphasize the importance of host spatial distribution for the evolution of specialization, and for local adaptation and speciation in Ceratophyllid bird fleas.
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Report on a special investigation of the Burlington Community School District and the Parent Teacher Organization at Grimes Elementary School for the period August 1, 2009 through June 30, 2011
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We propose a procedure for analyzing and characterizing complex networks. We apply this to the social network as constructed from email communications within a medium sized university with about 1700 employees. Email networks provide an accurate and nonintrusive description of the flow of information within human organizations. Our results reveal the self-organization of the network into a state where the distribution of community sizes is self-similar. This suggests that a universal mechanism, responsible for emergence of scaling in other self-organized complex systems, as, for instance, river networks, could also be the underlying driving force in the formation and evolution of social networks.
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Report on a special investigation of the Sunrise Sunset Daycare of the Southeast Warren Community School District for the period September 1, 2010 through September 26, 2011
