Sabiia Seb
PortuguêsEspañolEnglish
Embrapa
        Busca avançada

Botão Atualizar


Botão Atualizar

Ordenar por: RelevânciaAutorTítuloAnoImprime registros no formato resumido
Registros recuperados: 109
Primeira ... 123456 ... Última
Imagem não selecionada

Imprime registro no formato completo
A Novel betabaculovirus isolated from the monocot pest mocis latipes (Lepidoptera: Noctuidae) and the evolution of multiple-copy genes. Repositório Alice
ARDISSON-ARAÚJO, D. M. P.; SILVA, A. M. R. da; MELO, F. L.; SANTOS, E. R. dos; SÓSA-GOMEZ, D. R.; RIBEIRO, B. M..
bitstream/item/191287/1/Ardisson-Araujo-Novel-open.pdf
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Baculovirus; Mocis Latipes; Inseto; Genome; Mocis; Evolution; Insects.
Ano: 2018 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1104737
Imagem não selecionada

Imprime registro no formato completo
A pesquisa agropecuária federal no período compreendido entre a república velha e o estado novo. Repositório Alice
RODRIGUES, C. M..
A pesquisa agropecuária na república velha. Estações gerais de experimentação.A pesquisa agropecuária na segunda república. A pesquisa agropecuária no estado novo. Rede nacional de experimentação agrícola.
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Agropecuaria; Pesquisa; Evolucao; Brasil; Agriculture; Research; Evolution; Brazil.
Ano: 1987 URL: http://www.alice.cnptia.embrapa.br/handle/doc/84011
Imagem não selecionada

Imprime registro no formato completo
A review of Chorthippus species with angled pronotal lateral keels from Greece with special reference to transitional populations between some Peloponnesean taxa (Orthoptera, Acrididae) Naturalis
Willemse, F.; Helversen, O. von; Odé, B..
This paper presents a summary of the current knowledge on the systematics of the Greek taxa of Chorthippus, morphologically characterised by angled lateral pronotal keels (usually grouped as Glyptobothrus). Prior to this paper, based on traditional morphology, ten taxa of Chorthippus with angled lateral pronotal keels were recognized from Greece. Based on morphology as well as (and more importantly so) bioacoustics thirteen Greek taxa are now recognised. With addition of a few additional related taxa that occur only outside Greece, all are treated in this paper: Chorthippus apricarius apricarius (Linnaeus, 1758), C. vagans vagans (Eversmann, 1848) (not in Greece), C. v. cypriotus (Uvarov, 1936) stat. nov. [Cyprus], C. v. africanus Nadig, 1981 [N. Africa],...
Tipo: Article / Letter to the editor Palavras-chave: Chorthippus; Glyptobothrus; Greece; Acrididae; Orthoptera; Morphology; Bioacoustics; Taxonomy; Variability; Transitional or hybrid populations; Phylogeny; Evolution; Palaeobiogeography; Key; Distribution; Ecology; 42.75.
Ano: 2009 URL: http://www.repository.naturalis.nl/record/314191
Imagem não selecionada

Imprime registro no formato completo
A revision of the Genus Scincella (Reptilia: Sauria: Scincidae) of asia, with some notes on its evolution Naturalis
Ouboter, P.E..
Of the genus Scincella Mittleman, 1950 (sensu Greer, 1974) 337 specimens from Asia were examined for 74 characters, which were treated in a numerical-taxonomic way. The dendrogram resulting from this analysis was not stringently adhered to. Because of the wide variation in certain numerical scale characters within one taxon or even within one population, these characters (used by many authors as key characters to separate taxa) are not regarded as very important. For sympatric and parapatric species other characters, including relative size of head, body and limbs, are regarded as very important, because these characters are influenced by the way of life (niche separation). For the separation of allopatric species scale-numbers, but many other characters...
Tipo: Article / Letter to the editor Palavras-chave: Scincidae; Scincella; Keys; New species; Numerical analysis; Evolution; Asia; Zoogeography.; 42.82.
Ano: 1986 URL: http://www.repository.naturalis.nl/record/317820
Imagem não selecionada

Imprime registro no formato completo
A structuralist approach in the study of evolution and classification Naturalis
Hammen, L. van der.
A survey is given of structuralism as a method that can be applied in the study of evolution and classification. The results of a structuralist approach are illustrated by examples from the laws underlying numerical changes, from the laws underlying changes in the chelicerate life-cycle, and from the laws underlying the evolution of the chelicerate appendages. Suggestions are given for the study of the laws underlying the transformation of form, and some notes are made on structuring forces and the early stages of organic evolution. Some concluding remarks are finally made on deep structure, phylogenetic classification and evolution.
Tipo: Article / Letter to the editor Palavras-chave: Appendages; Chelicerata; Classification; Evolution; Increasing complexity; Individual; Laws of form; Life-cycle; Numerical changes; Primordial life; Segmentation; Sexuality; Structuralism; 42.21; 42.70.
Ano: 1985 URL: http://www.repository.naturalis.nl/record/319130
Imagem não selecionada

Imprime registro no formato completo
A taxonomic revision of the Pleistocene Hystrix (Hystricidae, Rodentia) from Eurasia with notes on the evolution of the family Naturalis
Weers, D.J. van.
Measurements of many hundreds of the high-crowned cheek teeth of Hystrix specimens from the Euro-Asiatic Pleistocene in the collections of European and Asiatic institutions have been compared with extant species for a revision of the genus. A review is given about the extant genera and species of the family. The number of recognisable Euro-Asiatic species in the fossil record is reduced from eight to five. The European H. (A.) vinogradovi Argyropulo, 1941 is here considered to be a synonym of H. (A.) brachyura Linnaeus, 1758, and the three Asiatic species H. (H.) crassidens Lydekker, 1886, H. (H.) gigantea Van Weers, 1985 and H. (H.) magna Pei, 1987 are synonymized with H. (H.) refossa Gervais, 1852. Most of the Chinese fossil specimens are properly...
Tipo: Article / Letter to the editor Palavras-chave: Porcupines; Asia; Evolution; Europe; Paleogeography; Pleistocene; 42.84.
Ano: 2005 URL: http://www.repository.naturalis.nl/record/209654
Imagem não selecionada

Imprime registro no formato completo
Amazonia through time: Andean uplift, climate change, landscape evolution and biodiversity Naturalis
Hoorn, C.; Wesselingh, F.P.; Steege, H. ter; Bermudez, M.A.; Mora, A.; Sevink, J.; Sanmartín, I.; Sanchez-Meseguer, A.; Anderson, C.L.; Figueiredo, J.P.; Jaramillo, C.; Riff, D.; Negri, F.R.; Hooghiemstra, H.; Lundberg, J.; Stadler, T.; Särkinen, T.; Antonelli, A..
The Amazonian rainforest is arguably the most species-rich terrestrial ecosystem in the world, yet the timing of the origin and volutionary causes of this diversity are a matter of debate. We review the geologic and phylogenetic evidence from Amazonia and compare it with uplift records from the Andes. This uplift and its effect on regional climate fundamentally changed the Amazonian landscape by reconfiguring drainage patterns and creating a vast influx of sediments into the basin. On this “Andean” substrate, a region-wide edaphic mosaic developed that became extremely rich in species, particularly in Western Amazonia. We show that Andean uplift was crucial for the evolution of Amazonian landscapes and ecosystems, and that current biodiversity patterns...
Tipo: Article / Letter to the editor Palavras-chave: Amazonia; Evolution; Biodiversity; 42.05; 42.21; 38.23.
Ano: 2010 URL: http://www.repository.naturalis.nl/record/365034
Imagem não selecionada

Imprime registro no formato completo
AMP-deaminase in elasmobranch fish: A comparative histochemical and enzymatic study ArchiMer
Thebault, Marie-t; Izem, Lahoucine; Leroy, Jean Paul; Gobin, Eric; Charrier, Gregory; Raffin, Jean-paul.
AMP-deaminase activity was measured in white muscle from a wide range of fish, including one cyclostome, 13 chondrosteans, and one teleost to elucidate the pattern of the AMP-deaminase activity in white muscle of fish. Compared to a mammalian (rat) muscle extract, low enzyme activities are found in the cyclostome and two elasmobranchs from two families (Scyliorhinidae, Hexanchidae). In contrast, higher AMP-deaminase activities, similar to mammals, are expressed in Squalidae, all families of skates, Chimaeridae and in the teleostean fish. We then compared AMP-deaminase activities in red and white muscles from two representative elasmobranch fish, the dogfish (Scyliorhinus canicula) and the thornback ray (Raja clavata). The fibre type composition and...
Tipo: Text Palavras-chave: White fibres; Red fibres; Muscle; Histology; Fish; Evolution; Elasmobranch; AMP deaminase.
Ano: 2005 URL: http://archimer.ifremer.fr/doc/2005/publication-635.pdf
Imagem não selecionada

Imprime registro no formato completo
An Emergent Economics of Ecosystem Management AgEcon
Hearnshaw, Edward J.S.; Cullen, Ross; Hughey, Kenneth F.D..
Economics is an evolving and emerging field of study, so is the management of ecosystems. As such, this paper delineates the co-evolution of economic evaluation that reflects the various recognized ecosystem management approaches of anticipative, adaptive and capacitive ecosystem management. Each management approach is critiqued and from this theoretical analysis an emergent approach for the management of ecosystem is put forward, which accordingly suggests an alternative methodological approach for economic evaluations.
Tipo: Conference Paper or Presentation Palavras-chave: Complexity; Creativity; Economic evaluation; Ecosystem management; Evolution; Open systems; Rationality; Resource /Energy Economics and Policy.
Ano: 2006 URL: http://purl.umn.edu/31957
Imagem não selecionada

Imprime registro no formato completo
An interesting new species of Sphaerocysta (Heteroptera, Tingidae) from Argentina, with the description of its ffth instar nymph Rev. Soc. Entomol. Argent.
Guidoti,Marcus; Montemayor,Sara I..
A new Neotropical species of Sphaerocysta Stål, (Hemiptera, Heteroptera, Tingidae) is described. Sphaerocysta costai n. sp. was collected in the Argentinian Yungas, in the provinces of Jujuy (Calilegua) and Salta (Urundel). The most important diagnostic characters are illustrated for adults and fifthinstar nymphs. This new species provides relevant evidence for the understanding of evolutionary trends within the family as its nymphal morphology exhibits unique features among Tingidae. Comments on the systematics of Sphaerocysta, and an identification key to its species are provided.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Sphaerocysta costai n. sp. Yungas; Evolution; Morphological characters.
Ano: 2014 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0373-56802014000100003
Imagem não selecionada

Imprime registro no formato completo
Anatomia comparada das folhas e evolução das Podocarpineae Acta Botanica
Woltz,Ph; Gajardo,R; Ferreira,A.G.
The anatomy of 112 species out of the 184 at present recognized is compared. The evolutionary sequence proposed shows in several different "series" the passage by successive transformations from an ancestral type with short one-nerved leaves, well-developed sub-epidermis and many resin canals to those with long wide leaves, first one-nerved then several-nerved, with reduced sub-epidermis and few resin canals. An over-evolved condition sometimes produces at the end of a "série" an apparent reversion to the ancestral type: leaves short or reduced to fleshy scales with late proliferation of canals separated in the mesophyll. A striking correlation between foliar anatomy and geographic latitude suggests, as with vascular evolution in seedlings at the cotyledon...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Podocarpineae; Evolution; Anatomy comparative.
Ano: 1987 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33061987000200002
Imagem não selecionada

Imprime registro no formato completo
Aspects of the evolution and biogeography of stygobiontic Isopoda (Crustacea: Peracarida) Naturalis
Wägele, Johann-Wolfgang.
The evolution of the stygobiontic isopods is discussed correlating the phylogenetic system with biogeography. All stygobiontic isopods probably are derived from remote marine ancestors. The colonization of subterranean aquatic biotopes occurred in two ways: (1) via the coastal groundwater in the case of the Microparasellidae, Gnathostenetroididae, Stenetriidae, and in Cyathura (Stygocyathura), (2) in most families, however, via epigean freshwater ancestors. Ancient freshwater isopods that must already have existed before the Cretaceous and whose stygobiontic phylogenetic lines partly must have existed before the opening of the Atlantic are the Aselloidea, Calabozoida, Phreatoicidea, and probably also the Protojaniridae. In the course of Cretaceous and...
Tipo: Article / Letter to the editor Palavras-chave: Crustacea; Isopoda; Evolution; Stygofauna; Biogeography.
Ano: 1990 URL: http://www.repository.naturalis.nl/record/504433
Imagem não selecionada

Imprime registro no formato completo
Balsaminaceae in Southeast Asia: systematics, evolution, and pollination biology Naturalis
Ruchisansakun, S..
Balsaminaceae is a diverse plant family characterized by a huge floral morphological diversity. Its classification has changed many times throughout the taxonomic history of the group, owing to the emphasis on particular diagnostic characters. This suggests that patterns of character evolution are labile and do not contain much phylogenetic signal. This appears particularly prevalent among floral characters, suggesting that floral evolution and pollination ecology may be important drivers of diversification in the family. Further complications in taxonomy arise from the fact that one of the two genera of the family, Impatiens, has a very large number of species, and that it is distributed across several continents. This has led to a lack of taxonomic...
Tipo: Book (monograph) Palavras-chave: Balsaminaceae; Impatiens; Southeast Asia; Myanmar; Pollination biology; Evolution; Plant systematic floral symmetry Asymmetric flower Pollen placement; Floral symmetry; Asymmetric flower; Pollen placement.
Ano: 2018 URL: http://www.repository.naturalis.nl/record/663658
Imagem não selecionada

Imprime registro no formato completo
Beyond selection RChHN
VARGAS,ALEXANDER O.
It has been argued that the study of natural selection and quantitative genetics should have a central role in evolutionary thinking and undergraduate teaching in Chile. Extensive operational use of the concept of natural selection may seem consistent with this argument. However, advances of evolutionary knowledge in independent fields such as phylogenetic analysis, developmental evolution, and paleontology cannot be ignored. I argue here that the role of natural selection in contemporary evolutionary biology can be compared to that of Newtonian mechanics in contemporary physics: it can describe a given domain of observations, but it is insufficient to handle the different sources of evolutionary knowledge. Overemphasis on natural selection as the...
Tipo: Journal article Palavras-chave: Evolution; History; Development; Epigenesis; Drift.
Ano: 2005 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2005000400012
Imagem não selecionada

Imprime registro no formato completo
Biological and geophysical feedbacks with fire in the Earth system. Repositório Alice
ARCHIBALD, S.; LEHMANN, C. E. R.; BELCHER, C. M.; BOND, W. J.; BRADSTOCK, R. A.; DANIAU, A-L; DEXTER, K. G.; FORRESTEL, E. J.; GREVE, M.; HE, T.; HIGGINS, S. I.; HOFFMANN, W. A.; LAMONT, B. B.; MCGLINN, D. J.; MONCRIEFF, G. R.; OSBORNE, C. P.; PAUSAS, G.; PRICE, O.; RIPLEY, B. S.; ROGERS, B. M.; SCHWILK, D. W.; SIMON, M. F.; TURETSKY, M. R.; VAN DER WERF, G. R.; ZANNE, A. E..
bitstream/item/177146/1/Archibald-2018-Environ.-Res.-Lett.-13-033003.pdf
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Earth-system feedbacks; Niche-construction; Plant traits; Flammability; Evolution; Vegetation; Climate.
Ano: 2018 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1091656
Imagem não selecionada

Imprime registro no formato completo
Change and Identity in Complex Systems Ecology and Society
Cumming, Graeme S; University of Florida; cummingg@wec.ufl.edu; Collier, John; University of KwaZulu-Natal; collierj@ukzn.ac.za.
Tipo: Peer-Reviewed Reports Palavras-chave: Complexity; Resilience; Identity; Adaptive cycle; Limitation; Replacement; Random walk; Evolution; Ecosystem; Economy; Society; Social-ecological system; Metamodels.
Ano: 2005
Imagem não selecionada

Imprime registro no formato completo
Chromosome number and cytogenetics of Euphorbia heterophylla L. Repositório Alice
AARESTRUP, J. R.; KARAM, D.; FERNANDES, G. W..
Euphorbia heterophylla L. (Euphorbiaceae) is a herbaceous species of great economic importance due to its invasive potential and consequent damage to agriculture and pasture land. For the first time, we provide information on its chromosome nwnber, morphology, and behavior of mitotic chromosomes. Seeds were germinated and submitted to four treatments to obtain metaphases: 0.5% co1chicine for 2 to 5 h, at ambient temperature; 0.5% co1chicine for 16 to 24 h; 0.0029 M 8-hydroxyquinoline (8-HQ) for 2 to 5 h at ambient temperature, and 0.0029 M 8-HQ for 16 to 24 h at 4 degrees C. The material was then fixed in methanol: acetic acid (3: I) and kept at -20 degrees C for 24 h. Roots were macerated in the enzyme solution ofFlaxzyme (TM) (NOVO FERMENT T)-distilled...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Evolution; Polyploidy; Planta daninha.
Ano: 2008 URL: http://www.alice.cnptia.embrapa.br/handle/doc/491644
Imagem não selecionada

Imprime registro no formato completo
Chromosome numbers in the genus Mimosa L.: cytotaxonomic and evolutionary implications. Repositório Alice
DAHMER, N.; SIMON, M. F.; SCHIFINO-WITTMANN, M. F.; HUGHES, C. E.; MIOTTO, S. T. S.; GIULIANI, J. C..
bitstream/item/181896/1/Dahmer2011-Article-ChromosomeNumbersInTheGenusMim.pdf
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Chromosome numbers; Cytotaxonomy; Intraspecific variability; Leguminosae; Mimosa; Evolution.
Ano: 2010 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/877663
Imagem não selecionada

Imprime registro no formato completo
Cleavage, gastrulation, and germ disc formation of the amphipod Orchestia cavimana (Crustacea, Malacostraca, Peracarida) Naturalis
Scholtz, Gerhard; Wolff, Carsten.
Investigations of amphipod embryonic development have a long tradition. However, many aspects of amphipod embryology are still controversial. These concern, among others, the nature of the cleavage, the origin of the germ disc, and the mode of gastrulation. On the other hand, amphipods show the same characteristic type of invariant cell division pattern in the germ band as other malacostracans. Since amphipods seem to undergo a stereotyped pattern of early cleavage they are highly interesting for our understanding of the evolution of arthropod development. In this paper, we describe the cleavage pattern of the amphipod crustacean Orchestia cavimana from the zygote to gastrulation and the formation of the germ disc using direct observation, scanning...
Tipo: Article / Letter to the editor Palavras-chave: Cell lineage; Cell migration; Arthropoda; Phylogeny; Evolution.
Ano: 2002 URL: http://www.repository.naturalis.nl/record/534334
Imagem não selecionada

Imprime registro no formato completo
Combating footnote status in evolutionary theory Naturalis
Jenner, R.A..
Tipo: Book review Palavras-chave: Evolution; Natural selection; Variation; Developmental bias; 42.21.
Ano: 2005 URL: http://www.repository.naturalis.nl/record/215632
Registros recuperados: 109
Primeira ... 123456 ... Última
 

Empresa Brasileira de Pesquisa Agropecuária - Embrapa
Todos os direitos reservados, conforme Lei n° 9.610
Política de Privacidade
Área restrita

Embrapa
Parque Estação Biológica - PqEB s/n°
Brasília, DF - Brasil - CEP 70770-901
Fone: (61) 3448-4433 - Fax: (61) 3448-4890 / 3448-4891 SAC: https://www.embrapa.br/fale-conosco

Valid HTML 4.01 Transitional