Directory of Open Access Journals (DOAJ)
Book.
0000 - Gale Group | The Making of Modern World
... Smith (12 = 7), malting a total of five taxa in the section. T h e species in ... Smith, 1965). The inorphology and taxonomy of the taxa of this section, as well as some preliminary ... to suggest the phylogenetic relationships of the different taxa as determined from cytogenetic analyses of F, hybrids ... material were collected throughout the range of the taxa. Parental, F1, F,, and BC, plants were grown ... Reciprocal pollinations were made between all pairs of taxa in the section according to the technique previously ...
Tópico(s): Plant Diversity and Evolution
1966 - NRC Research Press | Canadian Journal of Genetics and Cytology
... os campos de interesse do IEEE. Apoiado por Taxa de Processamento de Artigo – APC, seus artigos são ...
Institute of Electrical and Electronic Engineers Incorporated (IEEE)
Dated: 28 May 1755. Chiefly tables. Book.
0000 - Gale Group | The Making of Modern World
Fossil taxa often occur in a regular vertical order in strata, yet, this regularity does not necessarily imply that the taxa succeeded one another in the same order in ... a regular pattern is strengthened if (1) the taxa involved were preserved in a wide range of ... pattern and (4) the inferred phylogeny of the taxa involved are not relevant. Paleontologists commonly do conclude ... i.e. a definite orderly succession of fossil taxa, results from the taxa having occurred in essentially the same order in ... have been some local areas studied where the taxa (or first and last occurrences of taxa) occur ...
Tópico(s): Pleistocene-Era Hominins and Archaeology
1980 - Wiley | Lethaia
... e impostos definidos por meio de novos acordos, taxa de câmbio para dívidas de longo-prazo, reestruturação ...
The World Bank
"Cum gratia & privilegio S:æ R:æ Maj:tis" Master microform held by: ResP. Book.
0000 - Gale Group | The Making of Modern World
... species (AOU 1983). The specific status of these taxa, however, has been questioned based on similarity and ... Cox 1973). I investigated the distinctness of these taxa by comparing plumage, skeletal, and primary song from ... revealed overlap in originally used to diagnose these taxa; however, the incidence of extreme specimens was low. ... multivariate analyses of and song showed that the taxa are essentially distinct in multivariate with little or ... song frequencies. Plumage originally used to diagnose these taxa separate a majority of specimens, but they are ...
Tópico(s): Avian ecology and behavior
1990 - Oxford University Press | Ornithology
"Cum gratia & privilegio S:æ R:æ Maj:tis." Master microform held by: ResP. Book.
0000 - Gale Group | The Making of Modern World
Abstract— It is argued that taxa, whether Linnaean or phylogenetic, belong to Popper's worlds 2 and 3, the worlds of knowledge, but that they represent entities ... objects, namely, classes of living beings. The Linnaean taxa are concepts, and thus untestable, whereas phylogenetic taxa are statements, the monophyletic taxa being true, and the paraphyletic and polyphyletic ones false statements. The taxa are neither strictly nor numerically universal statements, but ... know the organism. Second, the species are terminal taxa in the phylogenetic hierarchy. This implies that it ...
Tópico(s): Biomedical Text Mining and Ontologies
1987 - Wiley | Cladistics
Book.
0000 - Gale Group | The Making of Modern World
Although there are 75 genera and over 300 taxa ofHepaticae in western North America there are a limited number of endemics. Among these endemic taxa are such isolated, monotypic genera as Geothallus, Gyrothyra, ... west of the Rocky Mountains. Many are dioicous. Taxa having North Pacific Arc distribution patterns mostly occur ... specimens, including personal collections since 1965. Forty two taxa are endemic in western North America and 23 taxa have North Pacific Arc distribution. Western North America ...
Tópico(s): Lichen and fungal ecology
1987 - American Bryological and Lichenological Society | The Bryologist
Includes index. Book.
0000 - Gale Group | The Making of Modern World
Timothy K. Kratz, Thomas M. Frost, John J. Magnuson,
... 1941 from five neighboring northern Wisconsin lakes. Eight taxa were common to the five lakes: two rotifers ( ... and Bosmina), and two copepods (cyclopoid and calanoid). Taxa differed in their consistency in depth distribution and ... max$. Variability among years was greater in rotifer taxa than in cladoceran taxa, which were more variable than copepod taxa. The abundance and depth distribution of copepods and ... Lake Washington; except in one case, the same taxa that showed significant site specificity in Wisconsin changed ...
Tópico(s): Water Quality and Pollution Assessment
1987 - University of Chicago Press | The American Naturalist
Cover-title. Book.
0000 - Gale Group | SASII
Daniel P. Faith, R. H. Norris,
... variation in abundance of common and rare freshwater taxa. Hybrid multidimensional scaling is used to model variation in distribution and abundance of freshwater microinvertebrate taxa over 17 sample sites in the upper catchment ... River, Victoria, Australia. Initial analysis of 40 common taxa revealed high correlations of the ordination space with ... size and water chemistry. Analysis of all 269 taxa, or alternatively of the 229 rarer taxa alone, resulted in ordination spaces that showed high ... finding in demonstrating that the analysis of all taxa produced a greater number of significant correlations between ...
Tópico(s): Aquatic Invertebrate Ecology and Behavior
1989 - Elsevier BV | Biological Conservation
Book.
0000 - Gale Group | The Making of Modern World
Deepmala Sehgal, S. N. Raina, Rachhaya M. Devarumath, Tetsuo Sasanuma, Tetsuo Sasakuma,
... of the 29 accessions belonging to 18 Carthamus taxa including five unverified species was undertaken to obtain ... its nuclear genome vis-à-vis other Carthamus taxa, C. arborescens should be placed in a separate subgenus. The two remaining lineages, constituted by the taxa with 2n = 24, and the taxa with 2n = 20, 2n = 44 and 2n = 64, ... study also demonstrates that none of the present taxa with 2n = 24 have contributed to the origin of polyploid taxa. Carthamus boisserii (2n = 20) and C. glaucus ssp. ... sequences suggest a relatively recent diversification of the taxa within the species complex. Carthamus lanatus ssp. creticus ( ...
Tópico(s): Genetic diversity and population structure
2009 - Elsevier BV | Molecular Phylogenetics and Evolution
... Schools. Charing-Cross Hospital., Exchequer Contribution To Local Taxa-, Corsica As A Winter Resort.-Our Consul at, ...
1896 - Gale Group | TDA
Stephanie Dunbar‐Co, Margaret Jean Sporck, Lawren Sack,
... within lineages. We studied seven endemic Hawaiian Plantago taxa radiated across elevations, climates, and habitats. We grew plants of six taxa in controlled conditions for 1–2 yr and ... from a seventh in the field. For all taxa, we measured 46 leaf traits and tested hypotheses ... study plants, our study included low replication within taxa and multiple growth locations; despite these limitations, given ... assumptions, our analyses pointed to genetic differentiation among taxa. The leaves of bog taxa were smaller and ...
Tópico(s): Plant Diversity and Evolution
2009 - University of Chicago Press | International Journal of Plant Sciences
... Christie disposed,, CAB FARES.-The proprietors of the taxa-, The Coal Trade., The Bishop Of London On ...
1894 - Gale Group | TDA
Christopher A. Ellison, Quentin D. Skinner, Larry S. Hicks,
... dissolved solids [TDS], temperature, elevation, slope, 10-dominant taxa, percent collector-gatherers, and percent Plecoptera) for the ... variation and four parameters (TDS, dissolved oxygen, total taxa, and community tolerance quotient) for the temporal variation. ... correlation analysis identified strong negative relationships among Plecoptera taxa and total taxa with TDS and turbidity in addition to strong ... TDS and a 30% increase in macroinvertebrate total taxa occurred across years, strongly suggesting that improvements in ...
Tópico(s): Hydrology and Sediment Transport Processes
2009 - Elsevier BV | Rangeland Ecology & Management
G. Major, S. M., Sholto Watt, J. C. Squire, Lord Meston, James Agate, Eiluned Lewis, E. L., B. J. de C. Andrade, J. W. T. Ley, J. Harris Stone, Sir John Marriott, Desmond MacCarthy, G. P., G. Repton, D. Hitt, Hamilton Price, Charles S. Bayne, Osbert Sitwell, H. M. Abrahams, W. G. Lowe, Gardner Teall, Lord Sydenham, J. J. Hewlett, Mrs Fraser, Laurie Magnus, S. Arthur Peto, Frank Rutter, Victor Bridges, Henry Welsh, Hugh Niven, Res Ker, E. M. Tanner, Wickham Steed, Muriel Hamilton-Scott, F. C. Thomas, H. F., I. St. M. Macphail, Philip Goodman, Ernest Newman, Alfred Fellows, Arthur W. B. Messenger, Mr Newman, Joan W. Smith, Ralph Straus, E. V. Lucas, W. Branch Johnson, Robert Lorenz, T. G. Jones, Sydney W. Carroll, T. H. L. Hony, K. J. Dougall, Sir Montagu Sharpe, C. H. Steel, R. J. Barrett Financial Editor, Ashley Sampson, C. M. Giveen, Rev. F. Woodlock, Henry Longhurst, E. N., Harold Dale, Edward Vandermere Fleming, C. Kennard, Scheverell Sitwell, Purefoy Machen, Ernest Munton, L. B. Faraday, J. M. Bulloch, Mill Hill, Malcolm Burr, Professor H. E. Armstrong, George C. Stead, Audrey Yeomans, Stanley Marling, Atticus, H. C. Minchin, Stoke Poges, R. McNair Scott, L. E. Fawcus, J. M. B., W. H. Gauden, H. C. D., V. F. Whitaker, R. C. K. Ensor, A. E. Levin, Harold Cox,
... Charles II's Augmentations of Arms "Dora" and "Taxa" Forced Industrialism The Future of the Film Place- ...
1932 - Gale Group | Sunday Times HA GDA
José María Postigo Mijarra, Eduardo Barrón, Fernando Gómez Manzaneque, Carlos Morla,
... the Cenozoic Era, to record the disappearance of taxa associated with these changes and to determine the ... and extracting information on the disappearance of different taxa over the Cenozoic. These data are viewed alongside ... made of the role of Palaeotropical and Arctotertiary taxa in the forest communities of the Iberian Peninsula ... Eocene–Oligocene transition was a time when many taxa disappeared, the most outstanding events occurred between the ... this period, including the disappearance of 177 Palaeotropical taxa. This was probably related to acute cooling and ...
Tópico(s): Plant Diversity and Evolution
2009 - Wiley | Journal of Biogeography
... in the philosophy of biology, species and higher taxa are individuated through their unique evolutionary origin. This ... is a (relational) property not only of higher taxa, but also of species. A species is said ... believed to function just like names of supraspecific taxa. However, large parts of the Web of Life ... lies a fundamental distinction between species and monophyletic taxa, where species form mutually exclusive reticulated systems, while higher taxa form inclusive hierarchical systems. Examples are given both ...
Tópico(s): Evolutionary Game Theory and Cooperation
2009 - Wiley | Journal of Zoological Systematics & Evolutionary Research
Produção Nacional
Revisado por pares
... mapped onto a molecular phylogeny for 32 selected taxa and ancestral size and shapes were reconstructed using ... on the validity of using some of these taxa as models for generalized primitive mammals. Material and ... These were complemented with additional material for particular taxa from the Bell Museum of Natural History, University ... females to maximize taxonomic representativeness, for those few taxa well represented in the examined collections. For rarer taxa all available specimens were examined. Specific criteria used ...
Tópico(s): Morphological variations and asymmetry
2009 - Oxford University Press | Evolution
... more important that species be understood to be taxa than that they be equated with functional ecological ... evolutionary entities. Although most biologists would agree that taxa are composed of organisms that share a unique ... major challenges remain in developing a species-as-taxa concept. First, grouping: in the face of genealogical ... hierarchy, how can we understand the nature of taxa? Second, ranking: what criteria should be used to designate certain taxa in a nested series as being species? The grouping problem can be solved by viewing taxa as exclusive groups of organisms- sets of organisms ...
Tópico(s): Genetic diversity and population structure
2009 - Oxford University Press | Systematic Biology
David S. Hibbett, Anders Öhman, Paul M. Kirk,
... leading the way in the discovery of new taxa, and also to assess the growth of the ... The fungal sequences were assigned to 48 Virtual Taxa (VT), defined as groups with sequence similarity of ... group A appears to be particularly rich in taxa associated with generalists, while the Acaulosporaceae and Glomus ... complementary goals: (1) discovery and description of new taxa (including clades), and (2) provision of resources for ... leading the way in the discovery of new taxa, and also to assess the growth of the ...
Tópico(s): Lichen and fungal ecology
2009 - Wiley | New Phytologist
... rivers in Iran exhibited 891 species (1040 infraspecific taxa) from 8 divisions of algae including Cyanophyta − 111 (120 infr. taxa), Euglenophyta − 70 (87 infr. taxa), Chrysophyta − 11 (15 infr. taxa), Xanthophyta − 32 (32 infr. taxa), Bacillariophyta − 413 (511 infr. taxa), Dinophyta − 26 (30 infr. taxa), Cryptophyta 6 (6 infr. taxa), and Chlorophyta − 222 species (239 infr. taxa). Species of phytoplankton − 473 (525 infr. taxa), phytobenthos − 845 (984 infr. taxa), and of periphyton − ...
Tópico(s): Diatoms and Algae Research
2009 - Begell House | International Journal on Algae