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Basal metabolic rate in free-living tropical birds： the influence of phylogenetic, behavioral, and ecological factors

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Current Zoology 2018年第1期64卷 33-43页

作者： andrey bushuev Oleg TOLSTENKOV Ekaterina ZUBKOVA Eugenia SOLOVYEVA Anvar KERIMOV Department of Vertebrate Zoology Faculty of Biology Lomonosov Moscow State University Leninskie Gory 1/12 Moscow 119234 Russia Joint Russian-Vietnamese Tropical Research and Technological Center South Branch Street 3/2 3 10 District Ho Chi Minh City Vietnam Laboratory of Experimental Parasitology Center of Parasitology A.N. Severtsov Institute of Ecology and Evolution Russian Academy of Sciences Leninskij prospekt 33 Moscow 119071 Russia Zoological Museum of Lomonosov Moscow State University Bolshaya Nikitskaya B Moscow 125009 Russia

The majority of our knowledge of avian energetics is based on studies of birds from temperate and high latitudes. Using the largest existing sample of wild-caught Old World tropical species, we showed that birds from Southern Vietnam had lower basal metabolic rate （BMR） than temperate species. The strongest dissimilarity between tropical and temperate species was the low scaling exponent in the allometric relation between BMR and body mass in tropical birds （the regression slope was 0.573）. The passerine migrants to temperate and high latitudes had higher BMR than tropical sedentary passerines. Body mass alone accounted for 93% of the variation in BMR （body mass ranged from 5 to 252 g）. Contrary to some other studies, we did not find evidence besides the above mentioned that phylogeny, taxonomy, behavior, or ecology have a significant influence on BMR variation among tropical birds.

关键词： allometry BMR body mass energy metabolism tropical birds.

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Evolution of metabolic scaling among the tetrapod:effect of phylogeny,the geologic time of class formation,and uniformity of species within a class

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Integrative Zoology 2022年第5期17卷 904-917页

作者： Valery M.GAVRILOV Tatiana B.GOLUBEVA andrey V.bushuev Department of Vertebrate Zoology M.V.Lomonosov Moscow State UniversityMoscowRussia Zvenigorod Biological Station M.V.Lomonosov Moscow State UniversityMoscowRussia

The metabolic scaling in the animal has been discussed for over 90 years,but no consensus has been *** analysis of 2126 species of vertebrates reveals a signiﬁcant allometric exponent *** show that classes of terrestrial vertebrates exhibit the evolution of metabolic *** the allometric coefﬁcient“a”and the allometric exponent“b”change naturally,but differently depending on the geological time of group *** allometric coefﬁcient“a”shows the measure of the evolutionary development of systems that forms resting metabolism in *** classes,such as birds and mammals,have a metabolic rate that is in an order of magnitude higher than that in ectothermic classes,including amphibians and *** the terrestrial vertebrate phylogeny,weﬁnd that the metabolic scaling is characterized by 3 main allometric exponent values:b=3/4(mammals),b>3/4(ectotherms,such as amphibians and reptiles),and b<3/4(birds).The hetero-geneity of the allometric exponent is a natural phenomenon associated with the general evolution of *** scaling factor decreases depending on both the external design and the size(birds vs mammals)of the *** metabolic rate and uniformity of species within a class increase as the geological start date of for-mation of the class approaches the present *** higher the mass-speciﬁc standard metabolic rate in the class,the slower metabolic rate grows with increasing body size in this *** results lay the groundwork for further exploration of the evolutionary and ecological aspects of the development of metabolic scaling in animals.

关键词： geological time metabolic rate scaling

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