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Topic Review
Diesel Engines with Microalgae Oil
Microalgae oil is more or less equally sensitive to key engine parameters, compared with diesel fuel, and can be successfully adopted to the entire families of industrial diesel engines.
  • 424
  • 28 Jun 2021
Topic Review
Olive Oil Production Wastes
The production of high-quality olive oils implies the generation of vast quantities of solid residues and/or wastewaters that may have a great impact on terrestrial and aquatic environments because of their high phytotoxicity. Depending on the techniques used for olive oil production, namely, on the type of horizontal centrifugation (two-phase or three-phase), the process most adopted to separate olive oil from olive paste obtained after malaxation, different by-products are obtained.
  • 1.6K
  • 28 Jun 2021
Topic Review
Fresh Food Dual-Channel Supply Chain
The fresh dual-channel supply chain can be divided into a retailer dual-channel model, producer dual-channel model, and mixed dual-channel model. In the retailer dual-channel model, the producer sells products wholesale to the retailers. In addition to the traditional offline sales channels, retailers plan to open new online sales channels. For example, Hema Fresh, 7 Fresh, and Super Species adopt the retailer dual-channel supply chain model. In the producer dual-channel model, producers also intend to establish an extra online channel for sales alongside the original retailer’s offline sales channels. The mode of direct supply from the production base or community group belongs to the producer dual-channel model, which is adopted by enterprises such as Dolly Farm and Pagoda. A mixed dual-channel model means that the producer sells fresh food wholesale to the retailer at first. Then, the retailer sells it through online and offline channels, and the producer also plans to sell it online. For example, RT-Mart carries out both offline and online channels, while COFCO, one of its suppliers, has built its online sales channel named Womai.com.
  • 580
  • 28 Jun 2021
Topic Review
Rangeland Biodiversity and Climate Variability
Rangeland biodiversity related closely with climate variability. Rainfall plays an important role in arid rangeland restoration. Under favorable conditions, one-year grazing exclusion considerably enhanced species richness and evenness diversity compared to longer resting durations under dry to average rainfall conditions. The decision to how long livestock grazing exclusion would last should not be decided upfront as it depends on the climatic and the site-specific conditions.
  • 667
  • 27 Jun 2021
Topic Review
Bacteriophages as Fecal Pollution Indicators
Bacteriophages are promising tools for the detection of fecal pollution in different environments, and particularly for viral pathogen risk assessment. Having similar morphological and biological characteristics, bacteriophages mimic the fate and transport of enteric viruses. For this reason, enteric bacteriophages, especially phages infecting Escherichia coli (coliphages), have been proposed as alternatives or complements to fecal indicator bacteria.
  • 779
  • 25 Jun 2021
Topic Review
Measure Channelized Erosion with CGC-CRP
Water-induced channel is one of the main forms of soil erosion in cultivated fields. Channelized erosion is often measured by the volume of the channels. Traditionally, the measurements were conducted with rulers or measuring tapes. However, these traditional methods are generally time- and labor-consuming and can cause soil surface disturbance. Close-range photogrammetry with a Consumer-Grade Camera (CGC-CRP) provides an alternative way of measuring channel volume and can overcome limitations of traditional methods and provides much higher spatial resolution. The optimum setting of the camera is with the image overlapping greater than 70% and with the shooting angle ranging from 60° to 80°. In addition, the channel orientation paralleled to the camera shooting direction is recommended.  
  • 530
  • 25 Jun 2021
Topic Review
Bioeconomy
Bieconomy is the economy of the green technologies and is capable to offer global food security, improve nutrition and health, create innovative bio-based products and biofuels. Bioeconomy would help agriculture, forestry, aquaculture, and other ecosystems to adapt to the climate change. It is an opportunity to boost innovation, create jobs in rural and industrial areas, reduce fossil fuel dependence, and improve economic and environmental sustainability.
  • 570
  • 24 Jun 2021
Topic Review
Legionella and Biofilms
Legionella is responsible for the life-threatening pneumonia commonly known as Legionnaires’ disease or legionellosis. Legionellosis is known to be preventable if proper measures are put into practice. Despite the efforts to improve preventive approaches, Legionella control remains one of the most challenging issues in the water treatment industry. Legionellosis incidence is on the rise and is expected to keep increasing as global challenges become a reality. This puts great emphasis on prevention, which must be grounded in strengthened Legionella management practices. The perpetuation of a water focused monitoring approach and the importance of protozoa and biofilms are bottom-line questions for reliable Legionella real-field surveillance. Under this scope an integrated monitoring model is proposed to study and control Legionella at water systems, by combining discrete and continuous information about water and biofilm. Although the successful implementation of such model requires a broader discussion across the scientific community and practitioners, this might be a starting point to build more consistent Legionella management strategies that can effectively mitigate legionellosis risks by reinforcing a pro-active Legionella prevention philosophy.
  • 565
  • 23 Jun 2021
Topic Review
Disinfection Byproducts
Disinfection byproducts (DBPs) are formed by the action of oxidant-disinfectant chemicals, mainly chlorine derivatives (chlorine, hypochlorous acid, chloramines, etc.), that react with natural organic matter (NOM), mainly humic substances. DBPs are usually refractory to oxidation, mainly due to the presence of halogen compounds so that advanced oxidation processes (AOPs) are a recommended option to deal with their removal.
  • 736
  • 23 Jun 2021
Topic Review
Coastal Communities
Coastal communities are increasingly vulnerable to climate change and its effects may push coastal ecosystems to undergo irreversible changes. This is especially true for shorebirds with the loss of biodiversity and resource-rich habitats to rest, refuel, and breed. To protect these species, it is critical to conduct research related to nature-based Solutions (NbS). 
  • 536
  • 22 Jun 2021
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