Results 71 to 80 of about 402,938 (213)
Rapid prediction of Porphyra photosynthetic pigments based on colorimetric parameters
Frontiers in Sustainable Food SystemsPhotosynthetic pigments such as phycobiliproteins and chlorophyll a are important quality indicators of seaweeds. In this study, multivariate nonlinear regression (MNLR) models were developed and validated for the rapid determination of photosynthetic ...
Xiaochen Chen +31 more
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Lower respiration in the littoral zone of a subtropical shallow lake
Frontiers in Microbiology, 2013 Macrophytes are important sources of DOC to littoral zones of lakes, but this DOC is believed to be mostly refractory to bacteria, leading to the hypothesis that bacterial metabolism is different in littoral and pelagic zones of a large subtropical ...
Ng Haig They +2 more
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Sensitivity of freshwater periphytic diatoms to agricultural herbicides [PDF]
, 2009 The biomonitoring of pesticide pollution in streams and rivers using algae such as diatoms remains difficult. The responses of diatomcommunities to toxic stress in streamwater are disturbed by the variations of environmental parameters.
Coste, Michel +6 more
core +4 more sources
Chlorophyll a + b Content and Chlorophyll Fluorescence in Avocado
Journal of Agricultural Science, 2012 Tonnage (T), Simmonds (S) avocado trees, and TxS crosses were evaluated for differences in chlorophyll content and maximal quantum yield of photosystem II in sun and shade-type leaves. Total chlorophyll content by area (Chl a+bar) ranged from 984 mg m -2 in TxS240 to 4320 mg m -2 in Simmonds.
Stewart Reed +3 more
openaire +1 more source
浙江大学学报. 农业与生命科学版, 2017 Due to limited capacity of self-purification of water in ponds, accumulation of feed residue and metabolites lead to endogenous, exogenous pollution, and eutrophication. Currently, physical, chemical and biological methods are used to purify aquacultural
WEN Xu, MA Xuzhou, FAN Wei, LI Xingxing
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Responses of tomato (Solanum lycopersicum L.) plants to iron deficiency in the root zone [PDF]
, 2019 Iron deficiency induces a yellowing in the aerial part of plants, known as iron chlorosis, and reduces the growth, yield, and quality of the fruits. Understanding plant response to iron deficiency is essential for agronomic management. This study decoded
Casanova, Laura +6 more
core +2 more sources
Occurrence and Distribution of Cyanobacteria and their Toxins in Silver Lake, New Hampshire [PDF]
, 2008 A study of Silver Lake, NH was performed as part of a 5-lake assessment of cyanobacteria prevalence and distribution. Multi-parameter fluorescence probe measurements of chlorophyll a and cyanobacteria concentrations (PC, phycocyanin fluorescence) were ...
Morison, Françoise
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Effects of El Niño on the dynamics of Lake Alchichica, central Mexico [PDF]
Geofísica Internacional, 2003 Lake Alchichica is a deep, warm-monomictic lake in Puebla State, central Mexico. Water temperature, dissolved oxygen and chlorophyll a annual concentration patterns are compared under ENSO and non-ENSO conditions.
Alfonso Lugo, Javier Alcocer
doaj
Image processing for smarter browsing of ocean color data products: investigating algal blooms [PDF]
, 2010 Remote sensing technology continues to play a significant role in the understanding of our environment and the investigation of the Earth. Ocean color is the water hue due to the presence of tiny plants containing the pigment chlorophyll, sediments, and ...
Diamond, Dermot +5 more
core +1 more source
Oceanologia, 2013 Continuous measurements of the aerosol particle number concentration (PNC)in the size range from 4.5 nm to 2 µm were performed at the Preila marine background site during 2008–2009.The concentration maxima in summer was twice the average (2650±50 cm-3 ...
Dalia Jasinevičiene +3 more
doaj +1 more source