نتایج جستجو برای: biovolume
تعداد نتایج: 326 فیلتر نتایج به سال:
This paper has not been submitted elsewhere in identical or similar form, nor will it be during the first three months after its submission to Hydrobiologia Abstract The intercalibration (IC) exercise is a key element in the implementation of the Water Framework Directive (WFD) in Europe. Its focus lies on the harmonization of national classification methods to guarantee a common understanding ...
We tested the hypothesis that a clear-water period, regularly observed in many mesoand eutrophic lakes, is caused by grazing herbivorous zooplankton. Such a clear-water phase occurs during mid-May in the moderately eutrophic Schiihsee and involves a rapid increase in Secchi transparency, and a drop in chlorophyll and particulate organic carbon in size fractions ~35 Nm. Maxima of zooplankton bio...
Um sorriso harmônico é considerado um padrão de beleza e bem-estar, possibilita uma expressão facial que transmite alegria, segurança estado satisfação. A perfeita união da dentição, tecido gengival lábios compõem em harmonia. Quando essas estruturas se encontram na proporção ideal, estabelecido. etiologia exposição excessiva pode ser resultado ou vários fatores associados. diagnóstico correto ...
Raising vegetable seedlings in pro trays is becoming an innovative approach to producing quality horticulture. The present investigation was conducted evaluate the effect of arbuscular mycorrhizal fungus (AMF) Glomus bagyarajii and potassium (K) solubilizing bacterium Frateuria aurantia singly together enhancing growth capsicum raised under polyhouse conditions. Different parameters such as sho...
The toxic effects of the insecticides chlorpyrifos and cypermethrin, herbicide glyphosate on growth, biovolume ultrastructure green microalgae Selenastrum capricornutum were evaluated. Concentrations between 9.37-150 mg L-1 chlorpyrifos, 3.12-100 cypermethrin 4.7-60 assayed along with a control culture. concentrations prepared using commercial formulations. After 48 h all tested three pesticide...
Global and regional ocean primary production estimates are highly dependent on assumptions concerning the photosynthetic potential of the resident phytoplankton communities. Little is known, however, about global patterns in the distribution of photosynthetic potential and their causes. Here, we review existing literature reporting photosynthetic characteristics of natural populations. From thi...
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