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Ordenar por: RelevânciaAutorTítuloAnoImprime registros no formato resumido
Registros recuperados: 626
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A computer based plant/soil aeration bibliography NWISRL
Sojka, R.E.; Busscheer, W.J..
Tipo: Book Section Palavras-chave: Research methodology; Mass Import - autoclassified (may be erroneous).
Ano: 1988 URL: http://eprints.nwisrl.ars.usda.gov/800/1/637.pdf
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A computer-based plant/soil-aeration bibliography NWISRL
Sojka, R.E.; Busscheer, W.J..
Tipo: Book Section Palavras-chave: Research methodology; Mass Import - autoclassified (may be erroneous).
Ano: 1988 URL: http://eprints.nwisrl.ars.usda.gov/802/1/639.pdf
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A Sea Change : Exotics In The Eastern Mediterranean OceanDocs
Galil, B.S.; Zenetos, A..
The eastern Mediterranean is susceptible to biological invasions because of its placement between the Atlantic, Pontic and Erythrean regions, busy maritime traffic, and lagoons and bays that are crowded with fish and shellfish farms. However, the greatest influx of invaders resulted from the opening of the Suez Canal in 1869, which allowed entry of Indo-Pacific and Erythrean biota. Exotic macro phytes, invertebrates and fish are found in most coastal habitats in the eastern Mediterranean. Some invaders have outcompeted or replaced native species locally, some are considered pests or cause nuisance, whereas other invaders are of commercial value. However, at variance with other invaded seas, the invasion into the eastern Mediterranean has increased the...
Tipo: Book Section Palavras-chave: Aegean; Red Sea; Shipping Mariculture; Suez Canal; Biological Invasions; Levantine; Ionian; Fish species; Aquatic living resources; Invasive species; Http://aims.fao.org/aos/agrovoc/c_49865.
Ano: 2002 URL: http://hdl.handle.net/1834/672
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Aeration measurement NWISRL
Sojka, R.E.; Scott, H.D..
Tipo: Book Section Palavras-chave: Research methodology; Mass Import - autoclassified (may be erroneous).
Ano: 2002 URL: http://eprints.nwisrl.ars.usda.gov/816/1/1073.pdf
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Aeration, tillage effects on NWISRL
Horne, D.J.; Sojka, R.E..
Tipo: Book Section Palavras-chave: Tillage; Mass Import - autoclassified (may be erroneous).
Ano: 2002 URL: http://eprints.nwisrl.ars.usda.gov/817/1/1074.pdf
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Aggregate Stability and Size Distribution NWISRL
Kemper, W.D.; Rosenau, R.C..
Tipo: Book Section Palavras-chave: Soil; Mass Import - autoclassified (may be erroneous).
Ano: 1986 URL: http://eprints.nwisrl.ars.usda.gov/732/3/585.pdf
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Aneho 1886-1914 OceanDocs
Sebald, P..
Sans Aneho, point de colonie togolaise! Cettre brève affirmation donne une idée de l'importance d'Aneho dans l'hisotoire du Togo. Mais si on prend c mot "Aneho" au sens littéral, elle est confuse. En effet, si l'on se base sur le point de vue des contemporains - Africains et Européens - qui se sont penchés sur cette localité, ell devrait s'appeler jusqu'en 1905 au lieu d'Aneho... oui, mais comment ?
Tipo: Book Section Palavras-chave: History; Http://aims.fao.org/aos/agrovoc/c_3635.
Ano: 2001 URL: http://hdl.handle.net/1834/1179
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Antimicrobial Activity of Extracts from Six Green Algae from Tanzania OceanDocs
Mtolera, M.S.P.; Semesi, A..
Many algae species have been shown to have bactericidal or bacteriostatic substances (Glombitza, I979;Michaneck, 1979; Caccamese et al., 1980; Fenical & Paul, 1984; Niang& Hung, 1984). The antibacterialagents found in the algae include amino acids, terpenoids, phlorotannins, acrylic acid, phenoliccompounds, steroids, halogenated ketones and alkanes, cyclic polysulphides and fatty acids. In a large numberof marine algae antimicrobial activities are attributed to the presence of acrylic acid.
Tipo: Book Section Palavras-chave: Algae resources; Bacteriology.
Ano: 1996 URL: http://hdl.handle.net/1834/469
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Aquaculture Genetics Research In Malawi OceanDocs
Ambali, A..
Aquaculture genetics research is carried out at the National Aquaculture Centre at Domasi, Malawi, by staff of the University of Malawi (UM) and the Department of Fisheries. The main species cultured are from genera Tilapia and Oreochromis. The genus Oreochromis was domesticated without proper identification of the various species especially in the subgenus Nyasalapia where three species (O. karongae, O. squamipinnis, and O. lidole) are difficult to identify before they reach breeding size. It is, however, observed that local fishers can identify these species using morphological characters. There have been no attempts to carry out deliberate domestication selection in the small-scale farms with the prevailing practices probably leading to deterioration of...
Tipo: Book Section Palavras-chave: Aquaculture; Genetics.
Ano: 2001 URL: http://hdl.handle.net/1834/275
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Arbuscular mycorrhizal response to adverse soil conditions NWISRL
Entry, James A.; Rygiewicz, Paul T.; Watrud, Lidia S.; Donnelly, Paula K..
Tipo: Book Section Palavras-chave: Soil; Mass Import - autoclassified (may be erroneous).
Ano: 2002 URL: http://eprints.nwisrl.ars.usda.gov/818/1/1076.pdf
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Assessing nutrient cycling in the soil/plant animal system of semi-arid pasture lands NWISRL
Mayland, H.F..
Tipo: Book Section Palavras-chave: Animal; Chemistry; Research methodology; Mass Import - autoclassified (may be erroneous).
Ano: 1983 URL: http://eprints.nwisrl.ars.usda.gov/767/1/569.pdf
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Ballenas y delfines OceanDocs
Blanco Domínguez, M..
Más de 15 especies de mamíferos marinos que se han avistado en las aguas cubanas desde el siglo pasado a la fecha. Se describe cada especie con su distribución, características, generalidades y morfometría.
Tipo: Book Section Palavras-chave: 371; Aquatic animals; Aquatic communities; Aquatic organisms; Aquatic sciences; Aquatic mammals; Aquatic communities; Aquatic animals; Aquatic organisms; Aquatic mammals; Http://aims.fao.org/aos/agrovoc/c_553; Http://aims.fao.org/aos/agrovoc/c_552; Http://aims.fao.org/aos/agrovoc/c_557; Http://aims.fao.org/aos/agrovoc/c_556.
Ano: 2011 URL: http://hdl.handle.net/1834/3995
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Bean Mutations from Azide: An Iron Chlorotic Strain, But no Induced Cold Hardiness NWISRL
Cary, J.W..
Tipo: Book Section Palavras-chave: Bean / dry bean; Mass Import - autoclassified (may be erroneous).
Ano: 1982 URL: http://eprints.nwisrl.ars.usda.gov/763/1/488.pdf
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Bibliography Marine & Ocean Science
Tipo: Book Section Palavras-chave: GE Environmental Sciences.
Ano: 1968 URL: http://sabella.mba.ac.uk/1921/
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Biochar elemental composition and factors influencing nutrient retention NWISRL
Ippolito, J.A.; Spokas, K.A.; Novak, J.M.; Lentz, R.D.; Cantrell, K.B..
Biochar is the carbonaceous solid byproduct of the thermochemical conversion of a carbon-bearing organic material, commonly high in cellulose, hemicelluloses, or lignin content, for the purposes of carbon sequestration and storage. More specifically, the thermal conversion process known as pyrolysis occurs when carbon-containing substances are introduced to elevated temperatures in the absence of oxygen at varying residence times, yielding biochar. Several pyrolysis techniques employed to produce biochar differ in the temperature of reaction and residence time in the reactor. Different reactor residence times are described as slow (hours to days), fast (seconds to minutes), and flash (seconds). Fast or flash pyrolysis typically occurs around 500oC with...
Tipo: Book Section Palavras-chave: Fertility; Soil quality; Fertilizer.
Ano: 2015 URL: http://eprints.nwisrl.ars.usda.gov/1590/1/1547.pdf
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Biodiversity and Fisheries. Chapter 3: Aquatic Biodiversity Country Thematic Reviews – Congo To Maldives OceanDocs
Baer, A..
Congo (Brazzaville) Significant aquatic biodiversity (freshwater and marine) Until 1985, the ORSTOM center at Point-Noire concentrated on biological and physical oceanography. Although the Center has reoriented towards agriculture, it maintains a program on the socio-economic monitoring of artisanal fishing. The aquaculture research station of Djoumouna, built in 1953, has lacked means of operating since 1991 and is being privatized. 69
Tipo: Book Section Palavras-chave: Biodiversity.
Ano: 2001 URL: http://hdl.handle.net/1834/565
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Cablegation: Automate supply for surface irrigation NWISRL
Kemper, W.D.; Trout, T.J.; Kincaid, D.C..
Tipo: Book Section Palavras-chave: Practical farm efficiency; Mass Import - autoclassified (may be erroneous).
Ano: 1987 URL: http://eprints.nwisrl.ars.usda.gov/773/1/612.pdf
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Calamares loligínidos (Cephalopoda, Loliginidae). OceanDocs
Pineda, S.E.; Brunetti, N.E.; Scarlato, N.A..
A bibliographical review of the taxonomy and biology of the two most important loliginid species, Loligo sanpaulensis and Loligo gahi, of the Argentine Sea is presented. The external morphology and the anatomy of the reproductor system for both sexes are described, as well as the larval period, nutrition, age and growth for both species. The geographical distribution and the relative abundance in relation to the size structure and maturity stage are analized. Abundance estimations of L.gahi, in the Southpatagonian shelf, were obtained from two research cruises data. Catch data for the two species is also presented.
Tipo: Book Section Palavras-chave: Taxonomy; Animal morphology; Fishery biology; Taxonomy; Animal morphology; Fishery biology; Http://aims.fao.org/aos/agrovoc/c_7631; Http://aims.fao.org/aos/agrovoc/c_421; Http://aims.fao.org/aos/agrovoc/c_2937.
Ano: 1998 URL: http://hdl.handle.net/1834/2577
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Calamares omastréfidos (Cephalopoda, Ommastrephidae). OceanDocs
Brunetti, N.E.; Ivanovic, M.L.; Elena, B..
An update of the knowledge on the three most important ommastrephid species that inhabit the SW Atlantic: Illex argentinus, Martialia hyadesi and Ommastrephes bartramii, is presented. Up to the moment, only I.argentinus was intensively studied. Its distribution, population structure, reproduction, growth and paralarval development are analyzed, togheter with other aspects of its biology, such as feeding, predators and parasites. Also its utilization for human consmption is considered. Regarding M.hyadesi and O.bartrami, information on their distribution and biology is presented.
Tipo: Book Section Palavras-chave: Animal morphology; Geographical distribution; Reproduction; Fecundity; Growth; Feeding; Predators; Parasites; Population structure; Geographical distribution; Growth; Feeding; Predators; Population structure; Animal morphology; Reproduction; Fecundity; Parasites; Http://aims.fao.org/aos/agrovoc/c_5083; Http://aims.fao.org/aos/agrovoc/c_3394; Http://aims.fao.org/aos/agrovoc/c_2838; Http://aims.fao.org/aos/agrovoc/c_6163; Http://aims.fao.org/aos/agrovoc/c_6115; Http://aims.fao.org/aos/agrovoc/c_421; Http://aims.fao.org/aos/agrovoc/c_6507; Http://aims.fao.org/aos/agrovoc/c_15725; Http://aims.fao.org/aos/agrovoc/c_5574.
Ano: 1998 URL: http://hdl.handle.net/1834/2576
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Características climáticas del océano Atlántico sudoccidental OceanDocs
Hoffmann, J.; Núñez, M.; Piccolo, M.C..
The climate of the SW Atlantic Ocean is described for representative summer and winter months. The description is based on mean fields of surface and upperair metereological measurements. Maps and data have been obtained from national and international information centers. Other sources also were considered. The Malvinas Current is a year-round sink for the sensitive heatflux. The Malvinas and Brazil Currents and their zone of confluence are the most important oceanographic and climate features in the region of South Atlantic Ocean.
Tipo: Book Section Palavras-chave: Climatology; Air temperature; Surface temperature; Winds; Atmospheric circulation; Energy balance; Climatology; Winds; Atmospheric circulation; Air temperature; Energy balance; Http://aims.fao.org/aos/agrovoc/c_1671; Http://aims.fao.org/aos/agrovoc/c_8401; Http://aims.fao.org/aos/agrovoc/c_29546; Http://aims.fao.org/aos/agrovoc/c_230; Http://aims.fao.org/aos/agrovoc/c_2566.
Ano: 1997 URL: http://hdl.handle.net/1834/1723
Registros recuperados: 626
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