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    Wyświetlanie 1-3 z 3
    Tytuł:
    Devastating Effect of Forest Degradation in Southern Guinea Savanna of Nigeria
    Autorzy:
    Buochuama, A.
    Akande, O. A.
    Buochuama, M. O.
    Powiązania:
    https://bibliotekanauki.pl/articles/1161466.pdf
    Data publikacji:
    2018
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Nigeria
    devastating
    ecological
    forest degradation
    guinea savanna
    Opis:
    Forest degradation poses serious ecological consequences to the environment. Therefore, this research deals with the devastating effect of forest degradation in southern guineas savannah of Nigeria. In this study, about one hundred and twenty questionnaires (120) were used to collect data from a number of villages in Wawa community. Descriptive statistics was used in the data analysis. Construction, poverty, population increase, and farming were some of the sources of forest degradation in the study area. The consequences of forest degradation in the study area were erosion, desertification, wildlife habitat destruction and global warming/ climate change. The study noted that the solutions for curbing forest degradations include the following; agroforestry, creation of more forest reserves afforestation/ reforestation, implementation of forest laws and policies and public enlightenment on the consequences of forest degradation.
    Źródło:
    World Scientific News; 2018, 112; 107-117
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Charcoal production: A promoter of deforestation in Nigeria
    Autorzy:
    Isese, M. O. O.
    Powiązania:
    https://bibliotekanauki.pl/articles/1076595.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Bombax buonopozense
    Charcoal production
    Deforestation
    Ficus sur
    Forest degradation
    Khaya ivorensis
    Tectona grandis
    Tree plant
    Vitellaria paradoxa
    greenhouse gases
    Opis:
    Charcoal production in Nigeria is a growing source of concern for government and forestry institutions because of its perceived impact on the environment. The agreed impact is deforestation, i.e., the clearance of indiscriminate cutting of forest trees. Forest degradation associated with charcoal production is difficult to monitor and overlooked and under-represented in forest cover change and carbon emission estimates. Emissions of greenhouse gases a consequence of deforestation from charcoal production in tropical ecosystems in 2009 are estimated at 71.2 million t for carbon dioxide and 1.3 million t for methane. Trees used for charcoal production are Vitellaria paradoxa, Ficus sur, Tectona grandis, Khaya ivorensis, Bombax buonopozense just to mention a few. This review aims to further discredit the act of indiscriminate forest tree falling for charcoal production which have proofed by various works as a promoter of deforestation.
    Źródło:
    World News of Natural Sciences; 2019, 27; 1-10
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Timber degrading fungi in sawmills of Gujarat, India
    Autorzy:
    Nagadesi, P.K.
    Arya, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/11082.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    timber
    degradation
    fungi
    sawmill
    wood decay
    Schizophyllum commune
    Flavodon flavus
    Daldinia concentrica
    microorganism
    Gujarat
    India
    forest cover
    Opis:
    Timer decay is caused by primarily enzymatic activities of microorganisms. For the first time fungal diversity of timber degrading fungi was studied in Gujarat, India. Timber Degrading Fungi belonging to Aphyllophorales are economically important as many of these cause serious damage in sawmills of Gujarat. To find out the association of the timber degrading fungi and timber decay problems in sawmills a survey was conducted during 2007 to 2011 in different sawmills of 5 districts of Gujarat i.e. Vadodara, Ahmedabad, Bharuch, Rajkot and Jamnagar. In the present study teak wood present in sawmills was infected with 14 types of fungi in which Lenzites sterioides and Trametes versicolor damaged the wood severely was reported for the first time. In all 94 sawmills were surveyed, the 28 sawmills were from Vadodara, 29 from Ahmedabad, 12 from Bharuch, 21 from Rajkot and 4 from Jamnagar. Out of 94 sawmills survyed, 84 sawmills were having timber rotting fungi associated with wood. Maximum fifteen and thirteen fungal species were observed in saw mills of Chhani road, followed by 11 in Station road, 7 in Dhabhoi road and 6 in Harni, Vadodara. Fours woods uninfected are Beyo, Marinty, Ash, and Arjun. Fourteen different types of fungi were found associated with teak, followed by seven in pinus, madhuca, Acacia nilotica, six in babul, neem, four in tamarind, Pithacoelobium and three in mango, Eucalyptus, African Mahagoni, Kapoor, Peltophoram rouxburghii, Derris pinnata wood respectively. The commonly observed timber decaying fungi were Schizophyllum commune, Flavodon flavus and Ganoderma lucidum belonging to Basidiomycota. Ascomycota members included was Daldinia concentrica and Xylaria polymorpha.
    Źródło:
    International Letters of Natural Sciences; 2014, 02
    2300-9675
    Pojawia się w:
    International Letters of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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