Significance of Seasonal variation
Seasonal variation refers to changes throughout the year, impacting various domains. In Ayurveda, it influences drug action, digestion, and Doshas, addressed by Ritucharya. Health sciences note its effect on diseases, plant compounds, and physiological parameters. Environmental sciences highlight its role in temperature, water quality, pollution, and ecological conditions. Understanding these seasonal shifts is crucial for health practices, environmental management, and adapting to climate change.
Synonyms: Seasonal fluctuation, Cyclical change, Seasonal change, Temporal variation, Seasonal cycle, Seasonal trend
In Dutch: Seizoensgebonden variatie; In Finnish: Kausivaihtelu; In Spanish: Variación estacional; In German: Saisonale Schwankungen
The below excerpts are indicatory and do represent direct quotations or translations. It is your responsibility to fact check each reference.
Hindu concept of 'Seasonal variation'
In Hinduism, seasonal variations encompass environmental changes affecting *Doshas*, digestion, and health. Ayurveda addresses these through *Ritucharya*, advising on diet and lifestyle adjustments to maintain balance and prevent disease.
From: Journal of Ayurveda and Integrated Medical Sciences
(1) It refers to the changes in the environment during different times of the year, which Ayurveda addresses through Ritucharya, providing advice on appropriate dietary regimens.[1] (2) In case of digestion also, there exists a rhythm in the functioning and abundance of enzymes and gut microbiome in relation to these.[2] (3) The chapter also briefly explores the tradition of adorning oneself with flowers based on seasonal variations.[3] (4) This includes the seasonal variation, day night variation for Kala (time).[4] (5) Ritu Kriya Kala relates to these variations in Dosha activity, where the Doshas manifest according to the changing seasons.[5]
From: International Research Journal of Ayurveda and Yoga
(1) Swarnaprashana enhances metabolism and digestion, which maintains the equilibrium of the Tridoshas, so the children don’t experience these.[6] (2) This of drug action is not described in modern medicine, but is known to cause alteration of drug action in Ayurveda.[7] (3) They upset the normal functions of the body and are considered a Sharirika factor causing Pandu.[8] (4) These variations have led to an increase in the incidence of emphysema.[9] (5) Affections resulted by influences of this is called parinama, which is considered a causative factor for mental disorders.[10]
From: History of Indian Medicine (and Ayurveda)
(1) The practice of adapting clothing material and type according to the changing seasons, such as wearing lighter fabrics in warm months.[11] (2) The changes in bodily functions and health that occur due to the different climates and seasons in India.[12]
From: Journal of Ayurvedic and Herbal Medicine
(1) This in infectious disease remains poorly understood more than a century later, despite early interest in the causes, according to the text.[13] (2) This refers to the changes occurring throughout the year, which are studied in relation to the physicochemical profiles of Guduchi Satva and the phytoconstituents of Ashvagandha.[14]
From: Sushruta Samhita, volume 1: Sutrasthana
(1) Differences in climate and environment that define the features of each season and influence health.[15]
From: Charaka Samhita (English translation)
(1) This, along with volitional transgression and unwholesome sense-contacts, is a cause of disease, requiring understanding and avoidance.[16]
The concept of Seasonal variation in local and regional sources
Seasonal variation, in this context, refers to artistic depictions linking the moods of 'ragas' (melodic frameworks in Indian classical music) to specific seasons or times of the year.
From: Triveni Journal
(1) Artistic depictions that relate the moods of 'ragas' to specific times of the year.[17]
The concept of Seasonal variation in scientific sources
Seasonal variation encompasses fluctuations across seasons. This includes disease prevalence, environmental factors, health impacts, vegetation changes, air quality, food quality, and biological parameters.
From: Sustainability Journal (MDPI)
(1) Seasonal variations are significant changes in PM 2.5, PM 10, OC, and BC emissions, with highest emissions in spring, followed by autumn, summer, and winter.[18] (2) This can be observed in soil moisture in medium-textured soil under different land uses to a depth of 5.0 m, with moisture levels stabilizing below a depth of 2.0 m.[19] (3) Fluctuations in energy demand and savings potential due to changes in weather and operating conditions throughout the year.[20] (4) Seasonal variations influence the level of ultrafine particles exposure, with higher levels found in the dry season compared to the wet season in Bhutan.[21] (5) Changes in energy consumption based on the time of year, with higher cooling demand in summer.[22]
From: International Journal of Environmental Research and Public Health (MDPI)
(1) Seasonal variation refers to the changes in NDVI values across different seasons, reflecting the cyclical growth patterns of vegetation.[23] (2) Seasonal variations in food consumption, particularly the increased intake of vegetables and fruits in summer, can affect the accuracy of dietary assessments like the DQS.[24] (3) Describes changes in the concentrations of pollutants over different times of the year, with higher levels often observed during the summer months.[25] (4) This of Pb isotopic ratios in spring and summer implies that other sources exist in addition to fuel combustion, impacting air quality.[26] (5) Seasonal variations in menus require further consideration when capturing food provision data, necessitating research to determine an acceptable length for data collection.[27]
From: Onderstepoort Journal of Veterinary Research
(1) A Chi-square test of independence was performed to evaluate the association between the number of detected cases and this.[28] (2) Further research on largemouth yellowfish should be conducted to provide an explanation as to why there are changing patterns in B. acheilognathi’s infections in this fish species.[29] (3) This refers to the change in egg counts was significant, with different counts during the warm-wet, cold-dry, and hot-dry seasons.[30] (4) This refers to the changes in environmental conditions throughout the year, which can affect the presentation of susceptible calves and the prevalence of the disease.[31] (5) Neutraclinostomum intermedialis does indicate some, yet not pronounced, seasonal variations in prevalence and intensity of infestation, which is expected.[32]
From: Journal of Public Health in Africa
(1) This is the fluctuation in the number of measles cases throughout the year, with peaks and troughs, which was analyzed.[33] (2) Among the factors affecting malaria transmission in Franceville in this study, seasonal variation played a central role, as we found higher Plasmodium infection rate.[34] (3) These are the fluctuations in malaria incidence that occur throughout the year, often linked to changes in climate, mosquito populations, and human behavior.[35] (4) The differences in air quality across different times of the year, such as winter and summer, which were found to influence the perceived air quality in the study area.[36]
From: South African Family Practice
(1) Seasonal variation in vitamin D levels negatively correlates with disease activity in rheumatoid arthritis and systemic lupus erythematosus, with lower levels in winter and higher levels in summer.[37] (2) These are among the factors that may affect the vitamin D status of an individual, along with residing in areas with lower ultraviolet intensity.[38] (3) The text discusses the changes in the occurrence of intentionally causing one's own death throughout the year, with some studies examining if this variation is diminished or absent.[39] (4) This describes changes in the occurrence or severity of symptoms based on the time of year, which is a key aspect to consider when evaluating a certain medical condition.[40]
From: International Journal of Pharmacology
(1) These are statistically significant factors that can influence the occurrence of asthma.[41] (2) Seasonal variations can affect the production of bioactive compounds in seaweeds, potentially explaining differences in results between studies.[42]
From: The Malaysian Journal of Medical Sciences
(1) The fluctuation of vitamin D levels in the blood according to different seasons.[43]
From: African Journal of Primary Health Care and Family Medicine
(1) This phrase describes fluctuations that occur throughout the year, and the text mentions that this phenomenon impacts the availability of food.[44]
From: Asian Journal of Pharmaceutics
(1) Changes in environmental conditions that may impact the phytoconstituents of T. ornata and their antibacterial effects, which are under further study.[45]