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186 results for “Ecosystem”
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EditorialOpen accessIn the abstractThe Timeless Contribution of Rootstocks towards Successful Horticultural Farming: From Ancient Times to the Climate Change EraIoannis E. PapadakisGrafting is a horticultural practice by which living vegetative plant organs (root, stem and/or buds) of either the same genotype or, usually, different genotypes belonging to the same species, genus, subfamily and/or family, are tightly connected to each other to form a double-compound plant. In fact, it is a method of asexual (clonal-vegetative) propagation of plants. The basal part of … …American Journal of Agricultural and Biological Sciences, Vol. 11, Issue 4 · 16 Dec 2016 · 9,521 accessesView PDFCite
Research ArticleOpen accessIn the abstractEconomic Impact of Climate Change: Elaborating the Policy for Sustainable Development of Central AsiaAssem Yessenbekova, Ainura Adieva, Syrym SharipkhanovThe article deals with the theoretical and practical aspects of the impact of global warming on the sustainable economic development of the Republic of Kazakhstan and Central Asia. In particular, we touch upon the impact of climate change on water resources, agriculture, ecosystems, etc. and propose measures to minimize, prevent and reduce economic losses from the lack of water resources, … …American Journal of Applied Sciences, Vol. 13, Issue 5 · 13 May 2016 · 7,585 accessesView PDFCite
Research ArticleOpen accessIn the abstractSpecific Features of the Accumulation and Distribution of Heavy Metals in Soils of the Floodplain and Deltaic Landscapes of the Don RiverTatiana M. Minkina, Dina G. Nevidomskaya, Yuriy A. Fedorov et al.The purpose of this work was to study specific features of the accumulation and distribution of the total content and mobile forms of Heavy Metals (HM) in soils of the estuarine ecosystems of the floodplain and deltaic landscapes of the Don River. The results allowed us to detect regional specific features in the formation of HM compounds in floodplain soils … …American Journal of Applied Sciences, Vol. 12, Issue 11 · 19 Nov 2015 · 6,586 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffects of Cement Dust on the Physiological Activities of Arabidopsis thalianaSaeid Abu-Romman, Jarrah AlzubiAir pollution exerts detrimental effects on plant ecosystems and restricts agricultural productivity. Cement dust is considered to be one of the most harmful air pollutants of industrial origin and is a limiting factor for plant growth and productivity. This study aims to uncover the impacts of cement dust on photosynthetic pigments, protein content, hydrogen peroxide (H2O2) accumulation, lipid per oxidation … …American Journal of Agricultural and Biological Sciences, Vol. 10, Issue 4 · 17 Nov 2015 · 8,113 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffects of Land Cover on Streamflow Variability in a Small Iowa Watershed: Assessing Future VulnerabilitiesKeith Schilling, Matthew Streeter, Kasey Hutchinson et al.Agricultural expansion and urbanization, coupled with climate change represent major threats to the sustainability of river ecosystems and infrastructure. In this study, we evaluated how subbasins with different dominant land covers within the 27.5 km2 Clear Creek, IA watershed affect key hydrologic indicators. Hydrologic output from two stream gages and a calibrated Soil Water Assessment Tool (SWAT) model were used … …American Journal of Environmental Sciences, Vol. 11, Issue 4 · 6 Jul 2015 · 8,367 accessesView PDFCite
Research ArticleOpen accessIn the abstractACCUMULATION OF RADIONUCLIDES BY PYLAISIELLA MOSS (PYLAISIA POLYANTHA) UNDER URBOECOSYSTEM CONDITIONST. V. Varduni, T. M. Minkina, E. A. Buraeva et al.Contamination of environment by radionuclides in territories under urboecosystem conditions is actual problem. The search of new express methods for radioactivity determination of environment is important task of research. In present work it was shown that mosses are bioindicators of radioactive contamination, because they accumulate radioactive substances in high concentrations. Using of bryoindication methods are promising techniques for the assessment … …American Journal of Applied Sciences, Vol. 11, Issue 10 · 1 Dec 2014 · 6,450 accessesView PDFCite
Research ArticleOpen accessIn the abstractSome Pollutants (PAHs and OPPs) in Caspian Sea Coast-IranChangiz MohammadizadehPAHs form one of the most important classes of persistent pollutants. Sediment samples were taken from the eastern Caspian Sea coast of Mazandaran state analyzed by (GC-MS) for PAHs. Sediment samples were collected from eastern part of southern Caspian Sea in Mazandaran Province. Stations were Amirabad (10), Sari (5), Babolsar (5) and Noushahr (5) to determinate distribution and to source … …Current Research in Geoscience, Vol. 3, Issue 2 · 10 Jun 2014 · 6,985 accessesView PDFCite
Research ArticleOpen accessIn the abstractASSESSMENT OF SURFACE WATER QUALITY IN AN ARSENIC CONTAMINATED VILLAGEKumud C. Saikia, Susmita GuptaArsenic contamination of ground water has occurred in various parts of the world, becoming a menace in the Ganga-Meghna-Brahmaputra basin (West Bengal and Assam in India and Bangladesh). Recently arsenic has been detected in Cachar and Karimganj districts of barak valley, Assam, bordering Bangladesh. In this area coli form contamination comprises the major constraint towards utilization of its otherwise ample … …American Journal of Environmental Sciences, Vol. 8, Issue 5 · 31 Aug 2012 · 7,517 accessesView PDFCite
Research ArticleOpen accessIn the abstractPetroleum Hydrocarbon Pollution of Mangrove Swamps: The Promises of Remediation by Enhanced Natural AttenuationF. A. Orji, A. A. Ibiene, O. C. UgboguProblem statement: The Remediation by Enhanced Natural Attenuation (RENA) is currently being used as a cleanup technology in polluted environments in the Niger Delta and other parts of the globe. The effectiveness of RENA as a remediation technology in the most recent time has been challenged by few authorities. The deleterious effects of pollutants on the environment have led to … …American Journal of Agricultural and Biological Sciences, Vol. 7, Issue 2 · 12 May 2012 · 8,225 accessesView PDFCite
Research ArticleOpen accessIn the abstractSeasonal ARIMA for Forecasting Air Pollution Index: A Case StudyMuhammad Hisyam Lee, Nur Haizum Abd. Rahman, Suhartono et al.Problem statement: Both developed and developing countries are the major reason that affects the world environment quality. In that case, without limit or warning, this pollution may affect human health, agricultural, forest species and ecosystems. Therefore, the aim of this study was to determine the monthly and seasonal variations of Air Pollution Index (API) at all monitoring stations in Johor. … …American Journal of Applied Sciences, Vol. 9, Issue 4 · 14 Feb 2012 · 10,326 accessesView PDFCite