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291 results for “Ecological diversification”
Fig. 95 in Mammals Of The Rio Juruá And The Evolutionary And Ecological Diversification Of Amazonia
Fig. 95. Pie diagrams illustrating the proportion of nonreproductive and reproductive male (above and female (below) Oligoryzomys microtis for each of the five toothwear age classes. Individuals are pooled from all localities, all but four of which are from the Upper Middle and Lower Middle regional localities and were collected during the months of August through November (see text for further details).
Fig. 117 in Mammals Of The Rio Juruá And The Evolutionary And Ecological Diversification Of Amazonia
Fig. 117. Map of the distribution of Isothrix in greater Amazonia (from Emmons and Feer, 1997 supplemented by Vié et al., 1997). Localities from which individual specimens have been examined for sequence of the mtDNA cytochromeb gene are indicated, and these are grouped geographically as the reciprocally monophyletic clades identified in the tree, fig. 120.
Fig. 94 in Mammals Of The Rio Juruá And The Evolutionary And Ecological Diversification Of Amazonia
Fig. 94. Floating mass of grass, originally growing on exposed sand bars during low water levels being carried down river during flood stage. Photograph taken in the lower section of the Rio Juruá by M. N. F. da Silva, May 1992.
Fig. 90 in Mammals Of The Rio Juruá And The Evolutionary And Ecological Diversification Of Amazonia
Fig. 90. Karyotypes from two male Oeomys roberti (2n = 80, FN = 114) representing the downriver mitochondrial DNA clade. A: MNFS 725, Barro Vermelho, left bank Rio Jurua´, Estado do Amazonas Brazil (locality 12); B: JUR 532, Colocação Viravolta, left bank Rio Jurua´, Estado do Amazonas (locality 14).
Fig. 93 in Mammals Of The Rio Juruá And The Evolutionary And Ecological Diversification Of Amazonia
Fig. 93. Bivariate plots of individual scores on the first three axes derived from a canonical discriminant analysis of the cranial ''shape'' variables (excluding the first MGPC axis) for each of the six Upper Central (localities 5, 6, and 7; broken lines) and Lower Central (localities 9, 11, and 12; solid lines) sample sites of Oligoryzomys microtis. Right bank localities are identified by solid symbols; those from the left bank by open symbols. The proportion of the total variation explained by each MGCAN axis is given. The relationship between localities based on a matrix of squared Mahalanobis distances clustered by the unweighted pair group method, is in the lower left.
Fig. 91 in Mammals Of The Rio Juruá And The Evolutionary And Ecological Diversification Of Amazonia
Fig. 91. Karyotype of a female Oecomys trinitatus (2n = 58, FN = 96) collected from Colocação ViraVolta (locality 14), left bank Rio Jurua´, Estado do Amazonas, Brazil (JUR 472).
Fig. 89 in Mammals Of The Rio Juruá And The Evolutionary And Ecological Diversification Of Amazonia
Fig. 89. Strict consensus of four equally minimal length maximum parsimony trees for 414 bp haplotypes of the mtDNA cytochromeb gene of Oecomys roberti from the Rio Jurua´. Catalog numbers for each haplotype (specimen) are listed from top to bottom following the order of terminal twigs: JLP 15241, MNFS 532, MNFS 537 and JLP 15402, MNFS 577, MNFS 578 and JLP 15404, MNFS 692 and 725, MNFS 948, JUR 532 and MNFS 955. The locality number (from the map, fig. 1) of each haplotype is indicated at the end of each branch tip. Bold numbers at nodes are bootstrap values, based on 1000 iterations; percentages are mean Kimura twoparameter distances. The tree is rooted by comparison to sequences of other species of Oecomys. Branch lengths drawn proportional to the number of character changes. Tree length = 41 steps; CI = 0.976; RI = 0.974.
Fig. 87 in Mammals Of The Rio Juruá And The Evolutionary And Ecological Diversification Of Amazonia
Fig. 87. Karyotype of a female Oecomys bicolor (2n = 80, FN = 140) collected at Igarapé Porongaba (locality 1), Estado do Acre, Brazil (MNFS 1332).
Fig. 116 in Mammals Of The Rio Juruá And The Evolutionary And Ecological Diversification Of Amazonia
Fig. 116. Dorsal view of the head and neck of Dactylomys boliviensis (top: MNFS 1005, locality a) and D. dactylinus (bottom: JUR 485, locality 14).
Fig. 86 in Mammals Of The Rio Juruá And The Evolutionary And Ecological Diversification Of Amazonia
Fig. 86. Strict consensus of two equally minimal length maximum parsimony trees for 414 bp haplotypes of the mtDNA cytochromeb gene of two species of the Oecomys bicolor group from the Rio Jurua´. Catalog numbers for each haplotype (specimen) are listed from top to bottom following the order of terminal twigs: MNFS 1260 MNFS 1261, MNFS 1333, MNFS 1499, JLP 15414, JLP 15433, MNFS 1679, JLP 15777 MNFS 749, MNFS 652, MNFS 651, JUR 566, Jur 354, JUR 480, and JLP 15675. The locality number (from the map, fig. 1) of each haplotype is indicated at the end of each branch tip. Bold numbers at nodes are bootstrap values, based on 1000 iterations; percentages are mean Kimura twoparameter distances. The tree is rooted by comparison to sequences of other species of Oecomys Branch lengths drawn proportional to the number of character changes. Tree length = 88 steps; CI = 0.784; RI = 0.802.
Fig. 85 in Mammals Of The Rio Juruá And The Evolutionary And Ecological Diversification Of Amazonia
Fig. 85. Dorsal (left) and ventral (right) views of adult crania illustrating representatives of four species of arboreal rice rats, Oecomys. From bottom to top: O. bicolor (JLP 15403; Igarapé Nova Empresa [locality 8], left bank Rio Jurua´, Amazonas, Brazil), O. roberti (JLP 16033; Altamira [locality 9], right bank Rio Jurua´, Amazonas, Brazil); O. trinitatis (JUR 472, Colocação ViraVolta [locality 14], left bank Rio Jurua´, Amazonas, Brazil); and O. superans (JLP 15517; Penedo [locality 7], right bank Rio Jurua´, Amazonas, Brazil). Magnification = ×2.
Fig. 115 in Mammals Of The Rio Juruá And The Evolutionary And Ecological Diversification Of Amazonia
Fig. 115. (Above) Map of the approximate distribution of Dactylomys within Amazonia (from Emmons and Feer, 1997); localities for which mtDNA cytochromeb sequence data are available are plotted and identified by number or letter as in the tree, below. Solid circles identify localities belonging to central and eastern Amazonian clade, which we refer to D. dactylinus; open circles represent the two localities of D. boliviensis for which we have sequence data. (Below) Bootstrap consensus parsimonious tree generated from an exhaustive search, based on 798 bp of the cytochromeb gene; length = 376 steps; CI = 0.747; RI = 0.751; rooted by comparison to sequences from the tree rats Makalata and Mesomys. Haplotypes representing the two clades occurring within the Rio Juruá are highlighted. Bold numbers at internal nodes are bootstrap values, based on 1000 iterations; percentages are average Kimura twoparameter distances. Provenance and voucher numbers for individuals examined are given in table 47.
Fig. 96 in Mammals Of The Rio Juruá And The Evolutionary And Ecological Diversification Of Amazonia
Fig. 96. Map of localities of members of the Oryzomys megacephalus group sampled for mtDNA cytochromeb sequences: left: O. yunganus (open circles); right: O. perenensis, solid circles; O. megacephalus, solid triangles; O. laticeps, solid squares. Locality numbers correspond to the list of provenance and voucher specimen catalog numbers provided in table 34. Distributions are based on Musser et al. (1998).
Fig. 92 in Mammals Of The Rio Juruá And The Evolutionary And Ecological Diversification Of Amazonia
Fig. 92. Dorsal (left) and ventral (right) views of the skull of Oligoryzomys microtis (JLP 15913 Jainu [locality 11], right bank Rio Jurua´, Amazonas, Brazil). Magnification = Χ2.
Fig. 99 in Mammals Of The Rio Juruá And The Evolutionary And Ecological Diversification Of Amazonia
Fig. 99. Strict consensus of two equal minimumlength parsimony trees for haplotypes of the mitochondrial cytochromeb gene (801 bp) for members of the Oryzomys macconnelli complex of species Length = 550 steps, CI = 0.567, RI = 0.811. Sequences of members of the Oryzomys megacephalus species complex are used as the outgroup. Bold numbers at internal nodes are bootstrap values, based on 1000 replicates; percentages are mean Kimura twoparameter distances for all haplotypes below a given node. Haplotypes are identified by locality, as in the map, fig. 98, and provenance and voucher catalogue numbers are listed in table 36.
Fig. 83. Ratio diagram comparing the mean log10 in Mammals Of The Rio Juruá And The Evolutionary And Ecological Diversification Of Amazonia
Fig. 83. Ratio diagram comparing the mean log10 values for each external and cranial dimension among five species of Oecomys from the Rio Jurua´. Levels of significance in comparisons of the raw variables between pairs of taxa are indicated (* = p <0.05; ** = p <0.01; *** = p <0.001).
Fig. 125 in Mammals Of The Rio Juruá And The Evolutionary And Ecological Diversification Of Amazonia
Fig. 125. Bootstrap consensus minimumlength parsimony tree for haplotypes of the mitochondrial cytochromeb gene (798 bp) for spiny tree rats, genus Mesomys. Length = 644 steps, CI = 0.554, RI = 0.733. Sequences of Proechimys and Isothrix were used as outgroups to root the tree. Bold numbers at internal nodes are bootstrap values, based on 1000 replicates; percentages are average Kimura twoparameter distances. Haplotypes are identified by locality, as in the map, fig. 124, and provenance and voucher catalog numbers are listed in table 55.
Fig. 88 in Mammals Of The Rio Juruá And The Evolutionary And Ecological Diversification Of Amazonia
Fig. 88. Karyotypes of two female Oecomys species (2n = 86, FN = 98) representing each of the two major mitochondrial DNA clades identified in fig. 86: A: JUR 354, VaiQuemQuer (locality 15) right bank Rio Jurua´, Estado do Amazonas, Brazil; B: JUR 480, Colocação ViraVolta (locality 14) left bank Rio Jurua´, Estado do Amazonas, Brazil.
Fig. 81 in Mammals Of The Rio Juruá And The Evolutionary And Ecological Diversification Of Amazonia
Fig. 81. Map of the occurrence of five species of arboreal rice rats, Oecomys, at each of the 16 principal localities sampled along the Rio Jurua´.
Fig. 82 in Mammals Of The Rio Juruá And The Evolutionary And Ecological Diversification Of Amazonia
Fig. 82. Bootstrap consensus tree illustrating differentiation in an 801 bp fragment of the mtDNA cytochromeb gene among species of Oecomys from the Rio Jurua´. Bold numbers at internal nodes are bootstrap values, based on 1000 iterations; percentages are Kimura twoparameter distances. Field catalog numbers of specimens included in the analysis are indicated, as is the locality by number (see fig. 1). Branch lengths are drawn proportional to the number of character changes. The tree is rooted by sequence comparisons to species of Oryzomys. Tree length = 396 steps; CI = 0.642; RI = 0.593.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.