Results 251 to 260 of about 577,339 (306)

Plant Diversity and Seasonal Variation Drive Animal Diversity and Community Structure in Eastern China. [PDF]

Animals (Basel)
Chen X, Jiang R, Chen Y, Yang R, He Y, Zou S, Ying J, Yi L, Ye Y, Peng S, Ge Z.   +10 more
europepmc   +1 more source

Comparative Analysis of Gut Microbiota Among Captive Waterbird Species: Effects of Diet and Environmental Factors. [PDF]

Vet Med Sci
Liu H, Bo T, Li J, Zhang Y, Zhou H.
europepmc   +1 more source

Association of avian biodiversity and West Nile Virus circulation in Culex mosquitoes in Emilia-Romagna, Italy. [PDF]

PLoS Negl Trop Dis
Wang Y, Calzolari M, Calvi G, Cox VM, Angelini P, Dottori M, Wint W, Jahn S, Marini G, Dorigatti I.   +9 more
europepmc   +1 more source

Functional distinctiveness and rarity highlight climate vulnerability of mountain birds. [PDF]

Ecology
Delgado MDM, Bettega C, Scridel D, López Orta A, Benjumea R, Brambilla M, Pedrini P, de Zwaan DR.   +7 more
europepmc   +1 more source

Variation in pathogen load and the pathogen load-infectiousness relationship broaden avian malaria's distribution. [PDF]

Nat Commun
Seidl CM, Parise KL, Ipsaro IJ, Leach S, Hays D, Morimoto R, Banister K, Ferreira FC, Abraham EC, Foster JT, Paxton EH, Kilpatrick AM.   +11 more
europepmc   +1 more source

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Bird communication study using digital computer

Journal of Theoretical Biology, 1975
Computer programs for sequential behavioral patterns analysis have been developed and used to study duetting of birds (White-crested Jay Thrush). The duetting songs are composed of four syllables for female and up to 20 syllables for male. Transition probabilities between syllables, pairs, triplets and subsequences have been measured.
B, Soucek, F, Vencl
openaire   +2 more sources

Early Bird I communications parameters

Communications Satellite Systems Conference, 1966
Abstract The primary mission of the Early Bird satellite is to provide uninterrupted two-way commercial quality communications between the North American and European continents. To this end, the satellite incorporates two broadband microwave repeaters that translate in frequency and amplify FM communications carriers.
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Global Bird Flu Communication

Science Communication, 2008
Drawing predominately on a once-a-day Google News Alert for newspaper coverage of the “bird flu,” this study examines global discourses on this topic in terms of alarming and reassuring coverage. Three stages of discourse are identified. The first is termed sounding the alarm, where fearful claims making predominates. The second is mixed messages, and
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Bird communities of highland birchwoods

Bird Study, 1989
Breeding birds in 36 birchwoods in the Scottish Highlands were counted by point censuses which generated 4630 records of 28 species. Community gradients were found by Detrended Correspondence Analysis (DECORANA) and identified by regressing site scores on habitat factors.
C. J. Bibby, C. G. Bain, D. J. Burgess
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Community convergence in bird song

Evolutionary Ecology, 2009
Species in similar habitats are often similar in morphology or behaviour, attributed to adaptation to similar environmental selection pressures, sometimes mediated by competitive interactions. For passerine songs, similarity of phenotype in identical habitats and character displacement have been documented, the former due to adaptation to the acoustics
Gonçalo C. Cardoso, Trevor D. Price
openaire   +1 more source