Diversity and species composition of mangroves species in Pilar | Research Paper By JBES
Diversity and species composition of mangroves species in Pilar | Research Paper By JBES
Fig. 1. Map of selected quadrats in a sampling area
Mr. Krystel Grace V. Padilla, Joey G. Martizano, and June Alexis Santos from the institute of the Chemistry and Environmental Science Department, College of Arts and Sciences, Nueva Ecija University of Science and Technology, Cabanatuan City, Nueva Ecija, Philippines wrote a research paper entitled “Diversity and species composition of…
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Fungal contamination of markets in Warri Metropolis: A threat to food security and human health | JBES 2020 By INNSPUB
 By: E. M. Ilondu
This study reveals numerous fungal spores encountered in some markets in Warri metropolis. Market environment may serve as reservoir of human and plant pathogens due to wastes and debris dumped there that support the growth and proliferation of fungal spores. When these spores are inhaled by people may lead to different types of respiratory diseases. Infections of spores can also increase chances of mycotoxin contamination of food and other agricultural commodities sold in the market.
 Abstract
There is always population surge towards physical market because it is a major outlet for purchase of food items and other human needs. Biological contamination of air is one of the serious issues of the environment varying among geographic areas and sampling heights. The aeromycology of three major markets in Warri metropolis which include Effurun market, Igbudu market and Main market using open plate method was evaluated. The study was conducted for the period of six (6) months (April to September, 2017) at two heights: human height (1.5m) and building height (3.5m) and three different locations (foodstuffs, clothing and abattoir sections) in each of these markets. Petri dishes containing PDA medium were exposed for 5 mins and incubated in the laboratory for 2–3 days. Developed fungal colonies were counted and sub-cultured to fresh PDA medium for identification by morphological and microscopic examination using standard identification keys. A total of 6145 colonies with 35 species were isolated and identified. Main fungi identified with their percentage frequency of occurrence include Aspergillus niger 699(11.37%), Mucor mucedo 459(7.47%), Penicillium candidum 404(6.57%), P. digitatum 395(6.43%), Monilia sp 324(5.27%) among others. Off these fungi, members of the Deuteromycotina contributed 46.58%, Ascomycotina 38.76% and Zygomycotina 14.66%. The population of fungal colonies varied from month to month as follows: July>August>June>September>May>April. Human height has 4285(60.73%) colonies while building height was 1860(30.27) colonies. Igbudu market, Main market and Effurun market have 2412, 2030 and 1702 fungal colonies respectively. There are strong indications that these market environments are heavily contaminated with airborne fungal spores which may pose a serious threat to food security and human health. Continuous clean-up exercise of these markets is imperative.
Introduction
The air, depending on the constituents of biological or nonbiological particles regulates the quality of the environment (Mahadeo and Kelpit, 2017). Biological contamination of air can be evaluated by an indoor (intramural) or outdoor (extramural) studies. Their composition and concentration vary greatly with respect to geographical location, human activities, natural sources, meteorological factors, sampling heights and techniques among others (Ginn-Gofron and Bosiacka, 2015: Makut et al., 2014: Mahedeo and Kelpit, 2017: Ghosh et al., 2011).Â
Atmosphere of market air contains varied fungal spores that are hazardous to human health of which about 80% have been linked with respiratory disorders (Khan and Fatema, 2015; Bhajbhuje and Akare, 2018). Various allergic diseases including Asthma, Aspergilosis, Mycoses, Sinusitis among others have been attributed to inhalation of airborne fungal spores (Ahire and Sangale, 2012; Khan and Fatema, 2015; Hernandez and Martinez, 2018). As opined by Hagale and Patil (2008), airborne fungi have been regarded as indicator of certain level of atmospheric biopollution. Similarly, these fungal spores can settle on surface of food items causing their deterioration thereby reducing the market and nutritive values on one hand and on the other may be toxic to humans when consumed (Okigbo et al., 2008; Atando et al., 2009; Djeri et al., 2010; Fagbohun et al., 2010). On the whole, food security and human health are threatened.Â
Markets are the major outlet for purchase or sell of food items, agricultural produce and other human needs. To this effect, there is always influx of people in and out of market environment. This study was conducted with the aim to (i) Isolate and identify fungal species of three market environments in Warri metropolis (ii) Study their occurrence in relation to different locations, meteorological data and sampling heights. It is hoped that the result of this study will sensitize the general public on the impact of fungal spores on their health and environment.
 Discussion
This study has shown that the three market environments in Warri metropolis were contaminated by abundant fungal spores. Major spore types include those of Aspergillus niger, Mucor mucedo, Penicillium candidum, Monilia sp., Alternaria alternate, Aspergillus flavus, P. digitatum and Curvularia pallescens. Most of these fungi have been documented by other researchers in markets (Hogale and Patil, 2008; Ahire and Sangale, 2012; Kakde and Kakde, 2012; Khan and Fatema, 2015) and other environment (Makut et al., 2014; Prasad et al., 2015; Ilondu and Nweke, 2016; Mahadeo and Kalpit, 2017; Bhajbhuje and Akare, 2018; Njokuocha and Aguru, 2007, Ghosh et al., 2011). Aspergillus species were the most abundant in this study. Similar occurrence was recorded by Kakde and Kakde (2012), Khan and Fatema (2015); Ilondu and Nweke (2016), Ilondu (2017). Some of these fungi are known to cause allergic reactions in human, skin infections, food spoilage and diseases of plant in the field. As the market environment get contaminated by these spores, health challenges like Asthma, Aspergillosis, Eczema, Mycoses, Sinusitis among others become eminent.Â
Generally, Alternaria, Aspergillus, Curvularia, Penicillium and Cladosporium have the history of being allergenic in nature (Hogale and Patil, 2008; Khan and Fatema, 2015) and have been proven to be biodeteriogens (Reddy, 2018). Mucor, Rhizopus and Absidia cause mucormycosis in man and animals, a species of Cercospora has been a cause of face lesions in man. Candida albican being implicated for various types of candidiasis in man while Geotrichum candidum is known to cause Geotricosis (Sharma, 1989; Hernandez and Martinez, 2018). The involvement of Curvilaria lunatus in human pneumonia has been reported and as opined by Louis et al. (2017), by year 2047, may have been evolved to a phenotype that will make disease management difficult. Botryodiplodia theobromae, Curvularia lunatus, Cercospora, Alternaria cause leafspot disease of many crops (Ilondu, 2013a; 2013b; Metrotra and Agawal, 2004; Shahzady et al., 2017). Accumulation of some of these fungal spores on food has been reported by Okigbo et al. (2008), Ilondu (2017). Species of Aspergillus, Alternaria and Fusarium have been associated with toxin production in stored food (Atanda et al., 2009; Adebayo-Tayo et al., 2009; Djeri et al., 2010; Fagbohun et al., 2010) which may be carcinogenic when consumed. Among all identified spore types, Deuteromycotina was the most abundant group.Â
This is in conformity with the reports of Kakde and Kakde (2012), Ahire and Sangale (2012), Mahadeo and Kalpit (2017). Moreso, Ascomycotina and Deuteromycotina have been shown to contain allergic microfungi (Bhajbhuje and Akare, 2018). This investigation also revealed that population of fungal colonies varies from month to month, the highest being recorded in the month of July. High humidity and rainfall with low temperature recorded in this month may have favoured the growth, sporulation and spore discharge into the market atmosphere. Availability of natural sources like dead and decaying market waste may have contributed to inoculum upsurge. The lowest concentration of spores observed in the month of April may be as a result of high temperature that does not favour the growth of fungi in the atmosphere. Similar results with regards to variation in the meteorological data were documented by Ahire and Sangole (2012), Grinn- Gofron and Basiacka (2015).Â
Since fungi may react simultaneously to a combination of factors, it may not be easy to separate the influence of individual meteorological factors on the occurrence of these spores (Grinn-Gofron and Basiacka, 2015). The highest number of fungal colonies was recorded in Igbudu market compared to others. It could be due to overcrowding, poor sanitation and other human activities as suggested by Ayanbimpe et al. (2010) that population density affect the quality of environment. More so, lack of basic facilities for waste disposal may favour fungal proliferation. Fungal colonies recorded in building height were less in number compared to human height. Khattab and Estelle (2008) indicated that spore types decreased logarithmically with increase in height from the ground, while more airborne spores at human height may be due to proximity to natural sources at ground level and favourable meteorological conditions which aid release and dispersal of the spores.Â
Meanwhile, market wastes have been indicated as one key source of fungal spores (Khan and Fatema, 2015). The slaughter section of the markets harboured highest number of fungal colonies, in comparison with foodstuff and clothing sections. It is possible that vigorous activities including dressing of carcass may have led to spread of mycoflora contaminants into the air (Syed and Sarangi, 2013). Nevertheless, the higher colony count in the foodstuff section must have been contributed by decaying and rottening of vegetables and other food items in that section (Khan and Fatema, 2015; Meraj-ul-Haque and Patil, 2016). Similarly, least number of fungal spores recorded in the clothing sections could be as a result of frequent cleaning and some level of hygienic practices observed there (Khan and Fatema, 2015). Therefore the effect of these fungi on human health and food security cannot be over emphasized. Get full articles via original source Fungal contamination of markets in Warri Metropolis: A threat to food security and human health
Journal Name: Journal of Biodiversity and Environmental Sciences | JBES
Environmental pollution by heavy metals has become a serious problem in Jakarta Bay. Mobilization of heavy metals as a result of anthropogenic
Environmental pollution by heavy metals has become a serious problem in Jakarta Bay. Mobilization of heavy metals as a result of anthropogenic activities has caused the release of heavy metals into the environment, one of which is Pb. Several methods are already used to clean up the environment from these kinds of contaminants, but most of them are costly and difficult to get optimum results. In addition heavy metal pollutans in the waters are very stable and tend to be persistent. Recently, bioaccumators is an effective and affordable technological solution used to extract or remove inactive metals and metal pollutants from contaminated soil and water. This technology is environmentally friendly and potentially cost effective using bivalves. These study objectives to analyzed the Pb content of three species of Jakarta Bay bivalves. The results showed that Pb content in the Eastern and Western Season bivalve tissue was significantly lowest in P. viridis (0,166 ± 0,016μg/g dan 0,161 ± 0,155μg/g) compared the Pb concentration in A. antiquata (0,264 ± 0,015μg/g dan 0,247±0,044μg/g), and M. meretrix (0,270 ± 0,016μg/g dan 0,240 ± 0,053μg/g). In this study also showed that the concentration of heavy metal Pb in the bivalve shell of P. viridis was significantly lower than that of two species (A. antiquata and M. meretrix). Pb content in the Eastern Season bivalves did not significantly different from that in the Westerrn Season. This is caused by a weather anomaly where the rainy season occurs almos throughout year of 2020. The Pb content in the bivalves shell was significantly higher than in the body tissues. It is because Pb can replace calcium ions in the formation of animal bones or bivalve shells.
INNSPUBNET blogspot site mainly share published articles by IJB, JBES, IJAAR, IJMM, IJBB research journals from the publication of innspub.net
Author NameEduardo D. Magdayo Jr. and Jaime Q. GuihawanJournal Name
Journal of Biodiversity and Environmental Sciences | JBES
Publisher Name
International Network For Natural Sciences | INNSpub
Abstract
The study aimed to ascertain the current perceptions and practices of local rice farmers in the municipality of Diplahan, Zamboanga Sibugay. It was also conducted in order to know the issues and concerns of farmers by looking into their management practices that include seed and seedling transplanting, fertilizer application, pesticide application, tillage and non-tillage cultivation. The research was carried out in ten barangays in the said municipality. Personal interviews (PI) were conducted with 150 local farmers in the study to collect information for perceptions and practices using a guide questionnaire that was translated into Cebuano to facilitate a better understanding among the farmers. The study results showed that rice production in Diplahan has fallen below the minimum required yield to achieve rice self-sufficiency due to the numerous issues regarding rice crop management in both irrigated and non-irrigated farmlands. The study found that farmers continued to rely on existing local knowledge gained from families, experience, and co-farmers, despite there are already existing programs and seminars on the proper farm management conducted by the Department of Agriculture. Many of them believed merely on luck. Moreover, more appropriate farming practices were not implemented due to poverty and other economic issues. Lastly, problems in rice crop management such as nutrient application, pest recognition, pesticides, herbicides, and insecticide applications by local farmers emerge in the study.
See also Induced mutagenesis in Green gram (Vigna radiata (L.) Wilczek) | JBES 2023
Climate shocks and women’s livelihood in Zimbabwe: A case study | JBES 2022
Author
Douglas Marowa and Angeline Musiya
Journal
Journal of Biodiversity and Environmental Sciences | JBES
Abstract
Climate shocks in Zimbabwe have been of worry to the sustenance of women livelihoods. The study sought to assess climate shocks and women’s livelihood in Chimanimani. To recommend for future gender sensitive adaptation and mitigation measure. Positivist and interpretivist…
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Ethnobotany of Oyster nut (Telfairia pedata) in Northern Tanzania | Research Paper By JBES
Ethnobotany of Oyster nut (Telfairia pedata) in Northern Tanzania | Research Paper By JBES
Author
Philipina F. Shayo, Anna C. Treydte, Ernest R. Mbega
Journal Name
Journal of Biodiversity and Environmental Sciences | JBES
Publisher Name
International Network For Natural Sciences | INNSpub
Abstract
Telfairia pedata (Sims) Hook is an important native climber plant commonly grown in East Africa. It bears nuts which are eaten either raw or cooked and is consumed mostly by expectant…
It operates different types of articles such as research articles, review articles, short communications, project papers, other supplementary
International Network for Natural Sciences (INNSpub) are multidimensional open access journal gateway for the exploration of scientific knowledge and new research on Natural sciences, Biological sciences, Agronomy, Heaths, and related other areas. It operates different types of articles such as research articles, review articles, short communications, case studies, project papers, and other supplementary articles under the fast and regular publications policy.
Journals of the International Network for Natural Sciences are multidimensional open access gateways for the exploration of scientific discoveries and new research in the natural sciences, biology, and other areas. These journals are fast publications intended to communicate with the scientific community to further the progress of mankind. Reports of new research findings are important to fuel novel assumptions and discoveries that can only be in existence through the publication of the INNSpub network.
The following list includes journals that focus on qualitative research as well as journals receptive to publishing qualitative research. The journal list, derived primarily from the INNSpub network available, links to journal home pages have been incorporated into the list by the title/name of Journals.
List of Journals:Â
International Journal of Biosciences (IJB)Â
Journal of Biodiversity and Environmental Sciences (JBES)
International Journal of Agronomy and Agricultural Research (IJAAR)
International Journal of Biomolecules and Biomedicine (IJBB)
International Journal of Microbiology and Mycology (IJMM)
An introductory study on composition and abundance of corals using an imaging survey technology in the South China Sea.
An introductory study on composition and abundance of corals using an imaging survey technology in the South China Sea.
Author
Xiaojuan Xu, Bo Yuan, Yuemin Liu, Weidong Li, Zhihao Wang, Lian Ming Wang, Pei-Zheng Wang, and Farnaz Mahmoudi Shikhsarmast
Abstract
Coral reefs are one of the important marine ecosystems in the oceans. This study evidenced the composition and abundance of coral communities in protected and non-protected areas in Sanya (Hainan, China). Our results showed that different localities have…
