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| Registros recuperados: 21 | |
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| CRUZ,C.; SILVA,A. F.; VENTURINI,F. P.; GARLICH,N.; PITELLI,R. L. C. M.; PITELLI,R. A.. |
| ABSTRACTThe objective of this study was to evaluate the consumption potential, food preference and use of snail Pomacea canaliculata as a biocontrol agent of four submerged aquatic macrophytes (Ceratophyllumdemersum, Egeriadensa, Egerianajas and Hydrilla verticillata). Two experiments were performed. In the first experiment, the introduction of a snail took place and 10 grams of each macrophyte in plastic containers with 1 liter of water. The assessments of consumption by the snail were performed at each 48 hours, during 12 days. The second experiment was performed in 600 liters microcosms containing five snails in each experimental unit. Fifty grams of each macrophyte were offered the snails at the same time, adding the same amounts after seven, 14, 21... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Aquatic macrophytes; Biological control; Exotic species. |
| Ano: 2015 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582015000300433 |
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| Mizobata,Kellian K. G. S.; Santos,Cinthia M.; Maltoni,Kátia L.; Faria,Gláucia A.; Cassiolato,Ana M. R.. |
| ABSTRACT In areas where soil surface horizons were removed, the main edaphic problems are reduced amounts of organic matter and nutrients. Revegetation, especially with native species, has been indicated to recover these areas. Under this perspective, the present research has been developed to evaluate the contribution of organic and agro-industrial residues, as conditioners of soil fertility and their effects on initial growth of 'Jatobá-do-cerrado' seedlings. The treatments consisted of 4 agro-industrial residue doses (0, 15, 30 and 45 Mg ha-1) and 4 organic residue doses (0, 8, 16 and 32 Mg ha-1), with 16 treatments and 10 replicates. After 8 months of development, the soil was evaluated for phosphorus, organic matter, hydrogen potential, potassium,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Aquatic macrophytes; Ash; Jatobá-do-cerrado; Exposed subsoil; Savannah. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662016000300223 |
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| Pivari,Marco Otávio Dias; Melo,Pablo Hendrigo Alves de; Souza,Filipe Soares; Stehmann,João Renato; Moura Júnior,Edson Gomes de; Moreira,Suzana Neves; Pott,Vali Joana; Pott,Arnildo; Lopes,Aline; Moço,Maria Cecilia Chiara; Oliveira,Lukiel dos Santos; Lins,Alba Lucia de Almeida; Arruda,Rafael; Morais,Isa Lucia de; Silva,Gustavo Santos; Ferreira,Régis Moreira. |
| ABSTRACT Initiatives directed at managing information on aquatic plants can support different areas of scientific research, educational practices and political decisions for sustainable management and protection of wetlands and natural resources, as well as reveal knowledge gaps regarding aquatic plants and wetlands. Furthermore, such initiatives can contribute directly to consolidating wetland classification systems in Brazil. The objectives of this work are to present and explore the use of a data repository and online platform created specifically for the management of data on aquatic plants in Brazil. The data repository for aquatic plants was developed to store information on species occurrence records in a standardized form considering: systematics,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Aquatic macrophytes; Biodiversity conservation; Data platform; Data repository; Environmental variables; Wetland classification. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062019000100078 |
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| Lolis, Solange de Fátima; Fundação Universidade Federal do Tocantins; Sanches-Marques, Angela Maria Marques; UEM; Arruda Reis, Sebastiana Lindaura; UFMT; Benedito, Evanilde; UEM. |
| The objective of this work was to perform a temporal quantitative analysis, using the scientometric technique, considering the number of citations that the terms Primary Production of Aquatic Macrophytesand Energetic Ecology received in a 50-year period (1956 to 2006). The study related 189 papers published in 26 magazines. It was verified that researchers of several nationalities are working on the proposed themes, with a predominance of those from developed countries (USA and Germany). In Brazil, production on these themes, although small, coincides with the results obtained for other themes analyzed using the same research technique. This fact indicates that greater efforts should be made in the search for more intense scientific production in the... |
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Palavras-chave: 2.00.00.00-6 Ciências Biológicas energy flow; Aquatic macrophytes; Aquatic ecosystems; Primary producers; Scientific production Ecologia. |
| Ano: 2009 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/5139 |
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| Silveira,Thiago Cesar Lima; Rodrigues,Gilberto Gonçalves; Souza,Gabriela Peixoto Coelho de; Würdig,Norma Luiza. |
| Wetlands are important because they have high biodiversity and are considered, by environmental agencies, permanently protected areas due to their importance to conservation. In Southern Brazil the aquatic macrophyte Typha domingensis is harvested to be used in the manufacture of handicraft, being an important income source to small farmers. This work aims to test the cut effect of T. domingensis on benthic macroinvertebrates as well as on macrophyte regeneration. These phenomena were analyzed in small areas (1 m²) in a T. domingensis stand by comparing cut treatments and control treatments. Macroinvertebrate were sampled with a corer in the following time sequence after the cut event in both treatments: one day, 26 days, 60 days, 89 days, and 182 days.... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Disturbance; Bioindication; Vegetal management; Aquatic macrophytes; Non-wood products. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032012000300014 |
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| Magalhães,Karine Matos; Lima,Maria Cecília Santana de; Santos,Ednilza Maranhão; Correia,Jozélia Maria de Sousa; Silva,Ana Carolina Borges Lins e. |
| Abstract: We present a checklist for the aquatic biodiversity from two reservoirs within a PPBio (Biodiversity Research Program) site in a peri-urban forest fragment, the Dois Irmãos State Park (PEDI), in Pernambuco, Brazil. We obtained the data via extensive field collection and information from a specialized literature survey. We recorded 397 species in 156 families; the animal was the most abundant group (140 species) followed by fungi taxa (103), periphyton (69), aquatic macrophytes (44), and terrestrial plants in flooded areas (41). This review reflects different sample efforts toward selected groups and allows the definition of a long-term protocol for guiding new research based on the identified knowledge gaps revealed. Future ecological research... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: PPBio; PEDI site; Aquatic macrophytes; Fungi; Aquatic Fauna. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032019000400313 |
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| Lopes,Célia de Almeida; Faria,Anna Christina Esper Amaro de; Manetta,Gislaine Iachstel; Benedito-Cecilio,Evanilde. |
| The aim of this work was to determine the caloric density of leaves, stems and roots of aquatic macrophytes in different environments of the Baía subsystem (Baía river and Fechada and Guaraná lagoons) on the Upper Paraná river floodplain, in addition to identify the variability between ecological groups. Samplings of Eichhornia crassipes, Salvinia spp, Pistia stratiotes, Eichhornia azurea, Polygonum sp, Cyperaceae and Poaceae were carried out in February 2003. Spatial differences in the caloric densities were not observed for these plants. Caloric density values varied from 1906.9 cal/g dry weight (root) to 4675.0 cal/g dry weight (leaf). However, significant differences between the caloric content averages of the vegetative structures were observed only... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Paraná river; Floodplain; Aquatic macrophytes; Calorimetry. |
| Ano: 2006 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132006000600018 |
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| Thomaz,Sidinei Magela; Bini,Luis Maurício; Souza,Maria Conceição de; Kita,Kazue Kawakita; Camargo,Antonio Fernando Monteiro. |
| In a survey of the aquatic macrophytes of the Itaipu Reservoir, we identified 62 taxa in 25 families and 42 genera. The highest number taxa was observed for the emergent macrophytes (40 taxa). Reduced fluctuation in water level, increased light penetration, and sediment enrichment by nutrients and organic matter following the formation of the reservoir favored the appearance of a species-rich community of submerged macrophytes (23% of the taxa identified). The aquatic macrophytes were found mainly near the mouths of the main tributaries of the reservoir, in shallow area of depth less than 2 meters. In addition to the shallow depth, the greater nutrient input from the tributaries and relative protection from wind explained this distribution. Among the... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Nuisance species; Aquatic macrophytes; Itaipu reservoir; Egeria najas; Egeria densa. |
| Ano: 1999 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89131999000100003 |
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| Borges,Ana Kleiber Pessoa; Tauk-Tornisielo,Sâmia Maria; Domingos,Roberto Naves; Angelis,Dejanira de Franceschi de. |
| The aim of this work was to study the constructed wetland system for the treatment of water from the Corumbataí river simulated on a laboratory scale. The parameters analyzed at different points of the system were ammonia, biochemical demand for oxygen (BDO), chemical demand for oxygen (CDO), chlorides, apparent color, conductivity, dissolved oxygen, magnesium (Mg), sodium (Na), potassium (K), silicon (Si), total phosphorous, total coliforms and Escherichia coli, total dissolved solids (TDS), turbidity, and macrophyte biomass. The results demonstrated that this alternative water treatment system was effective in removing the microorganisms (total coliforms and E. coli), among other parameters analyzed, for varying periods of the treatment, promoting... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Aquatic macrophytes; Filtering soil; Microfiltration; Bioreactor; Microorganisms. |
| Ano: 2008 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132008000600024 |
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| Brum,Paulo R.; Farjalla,Vinicius F.; Gonçalves Jr.,José F.; Santos,Anderson M. dos; Pôrto,Maurício T.; Vieira,Elisa D. R.; Ferreira,Flávia M.; Bianchini Jr.,Irineu. |
| In this work, we describe qualitative and quantitative aspects of the cycling of detritus of aquatic macrophytes and carbohydrates in two coastal lagoons of the northeastern part of the State of Rio de Janeiro. Samples of water of the Imboassica and Cabiúnas lagoons were enriched with sucrose. Samples of water of the Cabiúnas lagoon were also utilized to arrange mineralization chambers with fragments of three species of aquatic macrophytes found in these lagoons (Typha domingensis, Potamogeton stenostachys and Nymphaea ampla). Following that, the bottles were aerated and incubated (in the laboratory) for a period of 8 days. The concentrations of dissolved oxygen, the pH, the electrical conductivity and the temperature were daily measured. The anaerobic... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Decomposition; Aerobic mineralization; Dissolved oxygen; Coastal lagoons; Aquatic macrophytes. |
| Ano: 1999 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89131999000400008 |
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| PETRUCIO,M. M.; ESTEVES,F. A.. |
| The main goal of this research was to quantify the concentrations of total and ammonium N, nitrate, total and soluble P in the water in the presence of Eichhornia crassipes and Salvinia auriculata, which were submitted to two different photoperiods in a 24 hours incubation period in the laboratory. The macrophytes were incubated in plastic vials of approximately 1.5 litters, with a previously prepared solution with NH4NO3, NH4Cl, and KH2PO4. Eichhornia crassipes showed the highest average rate of reduction of all the nutrients analysed in relation to Salvinia auriculata. The largest photoperiod reflected in a higher average rate of reduction of nutrients, in both plants. Therefore, we may expect that in some periods of the year (e.g. summer), the aquatic... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Eichhornia crassipes; Aquatic macrophytes; Nitrogen; Phosphorus; Salvinia auriculata. |
| Ano: 2000 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0034-71082000000300002 |
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| Registros recuperados: 21 | |
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