Biological & Environmental Sciences: المرسلات الحديثة
السجلات المعروضة 881 -- 900 من 920
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Overcome of carbon catabolite repression of bioinsecticides production by sporeless Bacillus thuringiensis through adequate fermentation technology
( Hindawi Publishing Corporation , 2014 , Article)The overcoming of catabolite repression, in bioinsecticides production by sporeless Bacillus thuringiensisstrain S22 was investigated into fully controlled 3 L fermenter, using glucose based medium. When applying adequate ... -
Born small, die young: Intrinsic, size-selective mortality in marine larval fish
( Nature Publishing Group , 2015 , Article)Mortality during the early stages is a major cause of the natural variations in the size and recruitment strength of marine fish populations. In this study, the relation between the size-at-hatch and early survival was ... -
Global patterns and predictions of seafloor biomass using random forests
( Public Library of Science , 2010 , Article)A comprehensive seafloor biomass and abundance database has been constructed from 24 oceanographic institutions worldwide within the Census of Marine Life (CoML) field projects. The machine-learning algorithm, Random ... -
Characterization of tunisian Bacillus thuringiensis strains with abundance of kurstaki subspecies harbouring insecticidal activities against the lepidopteran insect ephestia kuehniella
( Springer US , 2010 , Article)The study of 257 crystal-producing Bacillus thuringiensis isolates from bioinsecticide free soil samples collected from different sites in Tunisia, was performed by PCR amplification, using six primer pairs specific for ... -
Impacts of urbanization on the distribution of heavy metals in soils along the Huangpu River, the drinking water source for Shanghai
( Springer Berlin Heidelberg , 2015 , Article)We investigated the horizontal and vertical distribution of heavy metals (Hg, Pb, Zn, Cu, Cd, As, Ni, and Cr) in soils in the water source protection zone for Shanghai to study the origins of these metals, their connections ... -
Indicators for spatial–temporal comparisons of ecosystem service status between regions: A case study of the Taihu River Basin, China
( Elsevier Ltd , 2016 , Article)With the development of ecological science, the demand to integrate ecosystem services into ecological management is increasing. Stakeholders are interested in comparing stocks and ability to supply ecosystem services in ... -
Electropolymerized phenol derivatives as permselective polymers for biosensor applications
( The Royal Society of Chemistry , 2015 , Article)Amperometric biosensors are often coated with a polymeric permselective film to avoid electroactive interference by reducing agents present in the target medium. Phenylenediamine and phenol monomers are commonly used to ... -
New ecological redline policy (ERP) to secure ecosystem services in China
( Elsevier Ltd , 2015 , Article)China is facing huge environmental problems, with its current rapid rate of urbanization and industrial-ization causing biodiversity loss, ecosystem degradation, and land resources degradation on a major scale.To overcome ... -
Vegetation composition of a maritime salt marsh in Qatar in relation to edaphic features
( Blackwell Publishing Ltd , 1990 , Article)Coverpercentage values for plant species were estimated using the line-intercept method along two belt transects starting at the lower mangrove frontier and ending at the upper height of the salt marsh. Twelve perennial ... -
Distribution and ultrastructure of neurosecretory cells in the cerebral ganglion of the earthworm
( Wiley Subscription Services, Inc., A Wiley Company , 1988 , Article)Neurosecretory (Nsy) cells within the cerebral ganglion of Lumbricus terrestris were classified ultrastructurally. The Nsy cells within the subesophageal ganglion, nerve cord ganglion, and the peripheral nervous system ... -
Effects of herbicide and timing of removal on interference between barley and weeds
( Blackwell Publishing Ltd , 1988 , Article)Field experiments were done during the rainy season of 1984�85 and 1985�86 at Harma, Qatar. A weed survey of barley fields was conducted with the primary purpose of identifying the weed vegetation present. The effects of ... -
Spread of the yellow-legged hornet Vespa velutina nigrithorax du Buysson (Hymenoptera: Vespidae) across Northern Spain
( European and Mediterranean Plant Protection Organization , 2015 , Article)The yellow-legged hornet�Vespa velutina nigrithorax�du Buysson (Hymenoptera: Vespidae) is an Asian native species which has now established in parts of Europe. Since its detection in France in 2005 it has spread quickly ... -
The influence of different microalgal diets on European clam (Ruditapes decussatus, Linnaeus, 1758) larvae culture performances
( John Wiley & Sons Ltd , 2015 , Article)The European clam, Ruditapes decussatus is a species with high commercial importance in Portugal and other Southern European countries. However, the development of R. decussatus culture has been limited by the highly ... -
Contrasting effects of necrotrophic and biotrophic plant pathogens on the aphid Aphis fabae
( John Wiley & Sons Ltd. , 2013 , Article)Phytophagous insects have to contend with a wide variation in food quality brought about by a variety of factors intrinsic and extrinsic to the plant. One of the most important factors is infection by plant pathogenic ... -
Manganese-Loaded Activated Carbon for the Removal of Organosulfur Compounds from High-Sulfur Diesel Fuels
( WILEY-VCH Verlag , 2014 , Article)The adsorptive capacity of activated carbon (AC) is significantly enhanced toward weakly interacting organosulfur compounds (OSC) from sulfur-rich diesel fuel. Sulfur compounds are selectively removed from diesel after ... -
Improvement of Photorhabdus temperata bioinsecticides production in low-cost media through adequate fermentation technology
( Wiley Subscription Services, Inc. , 2012 , Article)To develop a cost effective process for bioinsecticides production by Photorhabdus temperata, dissolved oxygen (DO) requirements were investigated in both the complex and the optimized media using diluted seawater as a ... -
Selection and characterisation of an HD1-like Bacillus thuringiensis isolate with a high insecticidal activity against Spodoptera littoralis (Lepidoptera: Noctuidae)
( John Wiley & Sons, Ltd , 2014 , Article)Spodoptera littoralis (Boisduval) larvae are known by their susceptibility to Bacillus thuringiensis subsp. aizawai strains. In order to prevent the appearance of B. thuringiensis (Bt) resistance and to develop economical ... -
The Three CARMA Sisters: So Different, So Similar: A Portrait of the Three CARMA Proteins and Their Involvement in Human Disorders
( Wiley Periodicals, Inc. , 2014 , Article)Initially identified by their ability to modulate the functional activity of BCL10, the three CARMA proteins, CARMA1, -2, and -3, have recently themselves taken a leading role on the stage of molecular medicine. Although ... -
Effects of substituting fish meal with Azolla pinnata in practical diets for fingerling and adult Nile tilapia, Oreochromis niloticus (L.)
( Blackwell Publishing Ltd , 1992 , Article)Dry and fresh Azolla pinnata were evaluated as feed ingredients for fingerling and adult Nile tilapia, Oreochromis niloticus (L.). Dry Azolla was incorporated into practical diets containing approximately 30% crude protein ... -
Photosynthetic acclimation to high temperatures in wheat
( John Wiley & Sons, Ltd. , 1992 , Article)Growth and photosynthetic performance were assessed for the Finnish wheat Triticum aestivum L. var. APU under a cool (13/10�C day/night) and a warm (30/25�C day/night) regime. Plants exhibited a certain degree of acclimation ...
