Lake Okeechobee is a shallow subtropical lake that is critically important for south Florida agriculture and the Everglades. In summer, the lake typically experiences strong blooms of cyanobacteria including toxin producing Microcystis aeruginosa. To understand the dynamics of these blooms and water quality in the lake, a coupled hydrodynamic-biogeochemical model based on the Regional Ocean Modeling System (ROMS) has been developed. The biogeochemical model was constructed to simulate major biogeochemical processes including nitrogen (N) and phosphorus (P) cycles, phytoplankton growth, zooplankton grazing, and microbial loop, among others. A three-year (2018-2020) simulation was carried out and calibrated with available in situ and remote sensing data for key physical and biogeochemical parameters. Although model and data generally agree in spatial patterns and seasonal cycles, significant discrepancies exist including exact timings of the blooms and dissolved inorganic and organic P concentrations. Model results indicate that Lake Okeechobee typically exhibits a two-layer circulation in summer with surface and bottom currents generally moving in the opposite directions. This feature couples with diurnal cycles of atmospheric forcing (winds and heating/cooling) and diel vertical migration (DVM) of Microcystis to strongly affect not only the spatial patterns of cyanobacteria blooms but also the bloom intensity in summertime. Horizontally, both model results and remote sensing images indicate that cyanobacteria distributions are concentrated in the central and northern lake during summer and in western lake in spring and fall, in responses to the prevailing winds. Consistent with previous laboratory and observational studies, model results also suggest that, among the two main nutrients N and P, nitrogen is likely the primary limiting nutrient for phytoplankton growth along the northwestern coast where dissolved inorganic nitrogen is typically depleted in summer. In the central and southeastern lake, nutrient concentrations are relatively higher, and light and winds are likely the main factors limiting phytoplankton blooms. In addition, surface winds and water temperature are important in regulating the seasonality of phytoplankton blooms. The model, however, is limited by the uncertainties of key biogeochemical parameters including the specifics of Microcystis vertical migration, and sediment-water interactions including nutrient fluxes and sediment transport. Nevertheless, with further development, this model can be useful for forecasting water quality and phytoplankton blooms and to assist in water management decision-making in the future.

This chapter characterizes coal's multifaceted roles as petroleum sources indicated geologically, paleodepositionally, geochemically, paleobotanically, and paleogeographically. These indications are used worldwide to exploit for generative potential, origin, and economic accumulations of petroleum and coalbed gas in coals and sandstones of coal measures. Coalbed gas is known since 1800 as "coal gas, town gas, and water gas," which occurs as coal mine methane (CMM, AMM) requiring control management. The multifaceted fuel uses of coal and coalbed gas range from gasified to liquefied synfuels. The technologies of coal gasification-based liquid fuels (CTG) and liquefaction-based fuels (CTL) are widely practiced in China and taking a foothold in countries with small economies and no petroleum but rich in coal resources. Synfuels from coal have gained traction in R&D of emerging "cleaner energy" in response to the net-zero carbon emissions policy.

Functional foods are becoming increasingly popular as people become more interested in maintaining their health and preventing diseases. Synbiotics are a type of functional food that combines probiotics (beneficial bacteria) with prebiotics (nondigestible food ingredients that stimulate the growth of beneficial bacteria). This combination can help improve the balance of bacteria in the gut, which can positively impact overall health. Other functional foods, such as those that are high in antioxidants or fiber, can also provide health benefits when consumed as part of a healthy diet. Synbiotics in one's diet are beneficial for the gut microbiome. These substances can be found in a range of foods, such as raw vegetables and fruit, fermented pickles, and dairy products, as well as in pharmaceutical formulas and functional foods. This chapter summarizes the current understanding of how probiotics, prebiotics, and synbiotics can impact human health based on available information.

As the kynurenine pathway’s links to inflammation, the immune system, and neurological disorders became more apparent, it attracted more and more attention. It is the main pathway through which the liver breaks down Tryptophan and the initial step in the creation of nicotinamide adenine dinucleotide (NAD+) in mammals. Immune system activation and the buildup of potentially neurotoxic substances can result from the dysregulation or overactivation of this pathway. Therefore, it is not shocking that kynurenines have been linked to neurological conditions (Depression, Parkinson’s, Alzheimer’s, Huntington’s Disease, Schizophrenia, and cognitive deficits) in relation to inflammation. Nevertheless, preclinical research has demonstrated that kynurenines are essential components of the behavioral analogs of depression and schizophrenia-like cognitive deficits in addition to mediators associated with neurological pathologies due to their neuromodulatory qualities. Neurodegenerative diseases have been extensively associated with neuroactive metabolites of the kynurenine pathway (KP) of tryptophan breakdown. In addition to being a necessary amino acid for protein synthesis, Tryptophan is also transformed into the important neurotransmitters tryptamine and serotonin in higher eukaryotes. In this article, a summary of the KP, its function in neurodegeneration, and the approaches being used currently to target the route therapeutically are discussed.

Natural bioactives possess a wide range of chemical structures that can exert a plethora of pharmacological and toxicological actions, resulting in neuroprotection or neurotoxicity. These pharmacodynamic properties can positively or negatively impact human and animal global healthcare. Remarkably, Ayurvedic botanical Cannabis has been used worldwide by different ethnicities and religions for spiritual, commercial, recreational, nutraceutical, cosmeceutical, and medicinal purposes for centuries. Cannabis-based congeners have been approved by the United States of America's (USA) Food & Drug Administration (FDA) and other global law agencies for various therapeutic purposes. Surprisingly, the strict laws associated with possessing cannabis products have been mitigated in multiple states in the USA and across the globe for recreational use. This has consequently led to a radical escalation of exposure to cannabis-related substances of abuse. However, there is a lacuna in the literature on the acute and chronic effects of Cannabis and its congeners on various neuropathologies. Moreover, in the post-COVID era, there has been a drastic increase in the incidence and prevalence of numerous neuropathologies, leading to increased morbidity and mortality. There is an impending necessity for a safe, economically viable, multipotent, natural bioactive to prevent and treat various neuropathologies. The ayurvedic herb, Cannabis is one of the oldest botanicals known to humans and has been widely used. However, the comprehensive effect of Cannabis on various neuropathologies is not well established. Hence, this review presents effects of Cannabis on various neuropathologies.

The restoration and construction of wetlands offer opportunities to rewet soils, inhibit decomposition, and enhance nutrient retention in decomposing litters. Here, we report the decomposition rates and nutrient dynamics of macrophyte litters in intact, restored, and constructed wetlands. A 2.1‐year litterbag experiment of four common freshwater macrophytes ( Phalaris arundinacea , Phragmites australis , Scirpus cyperinus , and Typha latifolia ) was conducted in eight freshwater marshes (three intact, four restored, and one constructed) within three sites in Manitoba and Ontario, Canada, which varied in restoration age, inundation periods, and surrounding land uses. Litter mass loss and N and P dynamics were measured. Litter decomposition rates ( k ) followed the order of P. arundinacea (0.42 ± 0.03 year −1 ) > T. latifolia (0.31 ± 0.03 year −1 ) > P. australis (0.19 ± 0.01 year −1 ) > S. cyperinus (0.13 ± 0.01 year −1 ) in most wetlands and were positively correlated to the initial litter N concentration. Litters decomposed fastest under seasonally inundated conditions rather than permanent inundation. N and P retention in litters were significantly affected by both initial litter N and P concentration and wetland surrounding land uses. After 2.1 years of decomposition, the N:P ratio of all litters converged to 20 to 28:1, regardless of the initial litter N:P ratio or N or P concentrations. The effectiveness of wetland restoration in slowing decomposition and enhancing nutrient accumulation depends on the quality of the input litters and wetland characteristics, including inundated periods and surrounding anthropogenic disturbances.

With the potential to have a synergistic effect on gut microbiota and overall health, synbiotics are dietary supplements that include prebiotics mixed with probiotics to enhance the survival and proliferation of probiotics in the gastrointestinal tract. By enhancing gut microbiota, these combined supplements may improve gut permeability and endothelial function, as well as minimize the production and action of endotoxins and proinflammatory cytokines. The gut-brain axis comprises interactions or "cross talk" among the GI tract, enteric nervous system (ENS), central nervous system (CNS), and gut bacteria. Due to the production of endotoxins and proinflammatory cytokines, the gut-brain axis may then be "negatively regulated," leading to various central nervous system (CNS) pathologies. Such dysregulation has been explored as a contributing factor to the pathologies of Parkinson's. The inclusion of synbiotics in the diet supports the survival, growth, and function of the gut microbiota. These ingredients can be found in a variety of foods, including dairy products, fermented vegetables and fruit, and nutritional meals in addition to medicaments. They may also be prepared by conventional isolation or synthetic methods. Based on the evidence that is currently available, this chapter provides an overview of the established neuroprotective effects of probiotics, prebiotics, and synbiotics.

Anthropogenically elevated inputs of nitrogen (N), phosphorus (P), and potassium (K) can affect the carbon (C) budget of nutrient-poor peatlands. Fungi are intimately tied to peatland C budgets due to their roles in organic matter decomposition and symbioses with primary producers; however, the influence of fertilization on peatland fungal composition and diversity remains unclear. Here, we examined the effect of fertilization over 10 years on fungal diversity, composition, and functional guilds along an acrotelm (10-20 cm), mesotelm (30-40 cm), and catotelm (60-70 cm) depth gradient at the Mer Bleue bog, Canada. Simultaneous N and PK additions decreased the relative abundance of ericoid mycorrhizal fungi and increased ectomycorrhizal fungi and lignocellulose-degrading fungi. Fertilization effects were not more pronounced in the acrotelm relative to the catotelm, nor was there a shift toward nitrophilic taxa after N addition. The direct effect of fertilization significantly decreased the abundance of Sphagnum-associated fungi, primarily owing to the overarching role of limiting nutrients rather than a decline in Sphagnum cover. Increased nutrient loading may threaten peatland C stocks if lignocellulose-degrading fungi become abundant and accelerate decomposition of recalcitrant organic matter. Additionally, future changes in plant communities, strong water table fluctuations, and peat subsidence after long-term nutrient loading may also influence fungal functional guilds and depth-dependencies of fungal community structure.

Peat is used as a major ingredient of growing media in horticulture. Peat extracted from bogs can be acidic and low in nutrient availability and is therefore mixed with liming agents, nutrients, surfactants, perlite and so on. This study aims to estimate the rates at which raw peat and the modified peat (‘growing media’) decompose to release carbon dioxide (CO2), to estimate the release of carbon (C) from liming agents and to estimate how peat biogeochemistry is changed. We obtained 28 and 24 samples of raw peat and 24 growing media from four peat extraction companies in Canada. Growing media were treated with horticultural additives. We incubated the samples under laboratory conditions, measuring CO2 production, tracer using ^13C - CO_2 , pH, C, nitrogen (N) content and humification indices (HIs) from infrared technology called Fourier transform-mid infrared (FT-MIR). C:N ratio, pH, dissolved organic carbon, bulk density and C content differed significantly (P < 0.05) between raw peats and growing media. There was more than a doubling of total CO_2 production from growing media compared to raw peat. HIs show higher values for the growing media, which could result from spectral band shifts in the growing media because of increased cation availability. ^13C - CO_2 as a tracer showed an average 22 CO_2 production orginated from added carbonate materials. Our results provide the rates (0.15 ± 0.017mgCO2-Cg−1d−1) at which horticultural peat decomposes and on the source of emitted CO_2 . This will improve current estimates CO2 emissions from horticultural peat.

Peatland pools are unvegetated, inundated depressions that cover up to 30 % of the surface of many temperate and boreal peatlands and that are net carbon (C) sources within C-accumulating ecosystems. The emission of carbon dioxide (CO2) and methane (CH4) from peatland pools comes from the degradation of organic matter (OM) that comprises the surrounding matrix. It is, however, not clear how decomposition rates in pools, which define their function and distinguish them from other aquatic ecosystems, vary spatially and what mechanisms drive these variations. We first quantified rates of OM decomposition from fresh litter at different depths in six pools of distinct morphological characteristics in a temperate ombrotrophic peatland using litterbags of Sphagnum capillifolium and Typha latifolia over a 27-month period. Rates of decomposition were faster for T. latifolia than S. capillifolium and, overall, faster at the pool surface and decreased with increasing depth. We then measured potential CO2 and CH4 production from the sediments of the same six pools by performing 35 d laboratory incubations. Pool sediment chemistry was variable among pools and influenced the production of CH4 and CO2 from sediments, with decreasing CO2 production with increasing OM humification and decreasing CH4 production with increasing nitrogen-to-phosphorus ratio. Both CH4 production and CO2 production from pool sediments were higher in the 1 m deep pools but similar in the shallow < 1 and the > 1.5 m deep pools. When combining both experiments, our results indicate that OM decomposition in peatland pools is highly variable and mostly related to the environmental conditions in which it occurs as a function of general pool depth rather than to OM chemistry. Overall, we show that OM degradation and C emissions in peatland open-water pools may increase over time in warmer and drier climate conditions.

This chapter covers the geologic settings and geographic occurrences of coal and coalbed gas resources worldwide. Coal-bearing rocks, often referred to as coal measures, are chronostratigraphically partitioned geologically, biologically, biochemically, ecologically, and paleoclimatically. These factors are directly linked to the appearance and evolution of terrestrial plants that comprised the vegetation in peatlands, which are coal's precursor. The coal occurrences during the Phanerozoic geologic timescale are episodic peaks of "coal packages" separated by coal gaps and plant extinctions overprinted by replacements of ancestral gymnosperms by modern angiosperms. The geographic locations of the Paleozoic- and Mesozoic-age coals are mostly in relatively large- to medium-size basins and Cenozoic-age coal in small-size basins. These coal basins are unevenly distributed across major continents, microcontinents, and islands, which controlled what countries are endowed with most-to-least coal and coalbed gas reserves/resources. The most endowed countries established the classification systems to assess coal resources.

This chapter considers that groundwater systems and their hydrological dynamics (e.g., flows, infiltration, recharge, storage) directly affect generation, distribution, and production of coalbed gas in coal measures. Hydraulic connectivity of coals and related aquifers such as adjoining sandstones controls groundwater withdrawal during coalbed gas production. Large volumes of groundwater are extracted during coalbed gas production, which depletes groundwater supply in water-risk regions. During mining of coal, groundwater is also extracted and sometimes in such significant proportions that the mine, or group of mines, changes the pressure dynamics of a basin to such an extent that coalbed gas reservoir properties are affected by large-scale drawdowns. These changes can affect coal reservoir properties, gas producibility and recoverability, and thus the economic viability of a play. Co-produced groundwater can be managed as either a waste product or put to beneficial use, usually dependent on water quality and quantity, legal and regulatory issues, permitting constraints for discharge and use, local environment and climate, as well as economic considerations. More importantly, groundwater surface meteoric water recharge plumes influence formation of late-stage biogenic coalbed gas in basin margins. As groundwater flows away from the source of recharge interactions between water, aquifer/aquiclude minerals, and microorganisms change the ionic composition of the groundwater. For example, oxygenated recharge water initially provides sulfates from oxidation of pyrite in the coal, but its abundance changes along the groundwater flow paths, which in turn control methanogenesis. Thus, groundwater is crucial to generation and production of biogenic coalbed gas as well as a key to biostimulation and bioaugmentation of subsurface coals for commercial development of neobiogenic coalbed gas.

Coalification is the term used to describe the combined affects of time and temperature on organic material as it is being buried. Pressure also plays a role in the physical and chemical alteration of organics but less so than temperature. There are different stages that organic material goes through during coalification; the stages may have different terminologies depending on the classification system but are generally referred to as "rank" changes. Organic material is not the only thing that changes with burial; inorganics also are modified, formed and/or altered under the influence of temperature, time and pressure. When used in conjunction with organic coalification trends, inorganic material can be a powerful tool in understanding the tectonic formation of a basin. Every aspect of a coal seam is affected through burial and thus those changes have a fundamental and profound impact on gas origin, generation, storage and movement. Prediction of gas movement through coal is not possible without an understanding of coalification.

This final chapter evaluates the changing landscapes of coal as a fuel feedstock given the constraints imposed by the net-zero carbon emissions by 2050 goals of the 2015 Paris Agreement. During this period, coal use for electric power generation is replaced by natural gas and renewables but will not completely be phased out with coal use shifting from the Western economically advanced countries to the economically developing and emerging countries in the Asia-Pacific region. The nationally determined contributions of these countries pledging to reach net-zero carbon emissions will heighten the deployment of CCUS systems in unretired young HELE coal-fired power plants to capture, utilize, and store CO2 in geological formations to reduce GHG emissions. Coal phase-out in the meantime creates "just transitions" for unemployed coal miners, power plant employees, and their energy-intensive communities, all of which need governmental assistance. This period of transition is crucial and pivotal to the research and development of nonfuel uses of coal in response to the net-zero carbon emissions goals. Coal-derived carbon materials (e.g., nanocarbons) will provide coal-to-products and byproducts to support advanced technology applications (e.g., lithium-ion batteries, semiconductors, electrocatalysts, drug delivery treatment, sensors, etc.) to sustain specialized industry end users (e.g., aerospace, electronics, biomedicine, automotive, clean-energy technology, energy storage, etc.). Critical minerals in coal and related rocks as sources of REEs are important to national security for the manufacture of electronics (e.g., semiconductors, television), clean energy (permanent magnets for wind turbines), medical (e.g., CAT scans, MRIs, X-ray imaging), and aerospace (actuators of aircrafts) to name a few applications. Another nonfuel use of coal is agrichemicals from lignite for fertilizers. Collectively the nonfuel and noncombustion uses of coal reduce GHG emissions.

Many medicines and treatments for varying levels of ailments were found through natural bioactives before complex separation techniques were available.Ironically, as medicine advances, drastically more people seem to be reverting to a desire for these natural bioactives.Due to this, it is important to discover and research the pharmacology of historically used plants and how exactly they can exert their effects.Magic mushrooms are a polyphyletic group of mushrooms that are characterized by the presence of a psychedelic compound (a drug classification that changes mental state and elicits hallucinations), Psilocybin.The PubMed (NIH) database was manually searched for published manuscripts up through the second week of April, 2024 for the current study using an advanced search feature.The keywords used for the search are given below.The search was done using the CDC, NIH and WHO databases.Journal articles, books and book chapters were manually searched under all languages without filter restrictions.Psilocybin has been found to exert a change in many different organ systems of the human body, including the central nervous system, ophthalmic system, cardiovascular system, respiratory system, digestive system, excretory system, endocrine system, immune system, integumentary system, auditory system, smooth muscles, skeletal muscles and spinal cord.This is possible through converting Psilocybin to Psilocin in the liver, which is a 5-HT2A agonist.This review profoundly analyzes magic mushrooms historical, current and future uses as they pertain to the human healthcare system.These uses contain nutraceutical, prophylactic and therapeutic pathways.It will also cover the toxicological effects on these organ systems and how dangerous these effects are.

This chapter examines the depositional environments under which peat forms and how that influences the chemical and physical properties of the resultant coal. The properties of coal, and coalbed gas, all begin with the conditions of the original peat formation and thus have a major influence on how, ultimately, the coal and coalbed gas are later used. The accumulation of peat is governed by biological, ecological, geochemical, hydrological, and physical processes, all of which are influenced by the depositional system that it forms within. Moreover, these processes differ depending on the geographic and climatic setting the peat forms within and finally what the peat is subjected to during burial and coalification.

The interface between geology and engineering is the production well. After exploration and post pilot prognosis, the work of designing, spacing, and drilling production wells begins. Communication between engineers and geologists is crucial if a project is to be commercially successful. Applying what is known about the geology and reservoir properties will allow the best well type and gas extraction methods to be implemented. Depending on the geology and reservoir properties, production wells might be open or fully cased. In either situation, during the life of a well, water and gas are being constantly moved upwards from the reservoir to the surface. The equipment needed to do this is specialized and varies depending on such things as the stability of the well or the volume of water to be moved at any particular time. Not all reservoirs give up their gas so easily; even ones with high gas contents and good pressure. This is almost always because the permeability is low. Although hydraulic fracturing is sometimes controversial, it is a mature technology, which enhances flow paths for gases. Fracturing techniques including gels, water and proppant are often needed in coalbed gas plays. Development drilling happens when a coalbed gas project passes through some significant milestones. Most importantly, the project will have been assessed to be economically viable, and usually a gas sales agreement will be in place. During this phase, many wells are drilled, perhaps hundreds annually, in what is often referred to as "factory" drilling. Reservoir models are needed to predict how much gas and water will be produced and when throughout the life of a coalbed gas project. The best geological ("static") and reservoir ("dynamic") models also define the level of certainty of outcomes. Finally, once gas reaches the surface, gathering, treatment and compression facilities are needed to process and move the coalbed gas to markets.

Abstract Omicron is currently the dominant variant of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the coronavirus responsible for the coronavirus disease 2019 (COVID-19) pandemic. Omicron is associated with mild symptoms, although it can cause harmful effects in high-risk patient populations. Omicron and COVID-19 affect multiple organ systems, including the respiratory system, gastrointestinal tract, cardiovascular system, central nervous system, ophthalmic system, genitourinary tract, and musculoskeletal system. COVID-19 infects additional organ systems, including the hematological system, hepatobiliary system, renal system, and dermatologic system. The viral-induced complications were compared to discuss the effects of Omicron versus the authentic SARS-CoV-2 virus, revealing less detrimental outcomes for Omicron. Moreover, COVID-19 is more likely to infect older adults, males, and obesity with mild to severe symptoms. Omicron causes mild symptoms in younger populations and overweight females. Data were acquired using PubMed, Centers for Disease Prevention and Control, and the World Health Organization. COVID-19 and Omicron mechanisms causing organ system-related complications are likely because of the natural immune response to the active infection, the uncontrollable release of cytokines causing cytokine release syndrome, and direct viral damage through angiotensin-converting enzyme 2/transmembrane serine protease 2 receptor binding and entrance to the host cell for infection.