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Mar 16, 2021Open    AccessArticle

Avifaunal Diversity in Urban Coastal Wetland of Colombo Sri Lanka

Ethauda A. K. K. Amarasekara, Hewawasam Bentotage Jayasiri, Champa Amarasiri
Sri Lanka is an island nation, exhibiting remarkable biological diversity in spite of its small size; Country has rich ecosystem diversity because of its topographic and climatic heterogeneity as well as its coastal influence. The wetland ecosystems in Sri Lanka have been internationally recognized for their outstanding biological prosperity and their conservation status. Sri Lanka’s wetlands are also diverse, comprised of 103 major rivers and associated marshes, and about 12,000 irrigation tank...
Open Access Library J. Vol.8, 2021
Doi:10.4236/oalib.1107256


Nov 27, 2020Open    AccessArticle

An Assessment of the Water, Irrigation, and Food Security by a Fishbone Analysis in Turkey

A. Ahmet Yücer, Feyza Nur Ayhan
The use of water resources is ineffective although Turkey has insufficient freshwater resources. Dry farming is practiced in a large part of agricultural land. This land due to insufficient precipitation throughout the country is left to fallow once in two years. Agricultural drought is becoming a severe challenge for agriculture and food security, and it may also impact the wealth of farmers by agriculture income. So, it causes widespread concern among the rural population. There is a close rel...
Open Access Library J. Vol.7, 2020
Doi:10.4236/oalib.1106929


Nov 09, 2020Open    AccessArticle

Discussion on the Application of Geographic Information System in Urban Ecological Environment Management under the Background of Big Data

Qinfen Zheng
Urban ecological management in the context of big data space is an objective need for urban development. The ecological environment of a city is a comprehensive group of various ecological factors and ecological relationships that people in urban areas rely on for survival, development, and evolution. Geographic information is performed on the effective management of system technical means. Predictive decision-making and analysis can be made by processing urban spatial data, urban resources, and...
Open Access Library J. Vol.7, 2020
Doi:10.4236/oalib.1106904


Aug 19, 2020Open    AccessArticle

An Analysis of the Ecological Significance of Lifestyle Changes

Chunmei Shen
With the development of economy and the increase of wealth, people’s demand for beautiful ecological environment is increasingly prominent. Good life calls for ecological good, while ecological evil necessitates lifestyle change. Facing the ecological environment deterioration, human beings should pursue a new way of life, thinking about ecological requirements of people’s new life attitude, impacts of lifestyle change on the production mode, the influence of the new life view on the relation be...
Open Access Library J. Vol.7, 2020
Doi:10.4236/oalib.1106620


Mar 27, 2020Open    AccessArticle

Contribution to the Knowledge of the Phytocenotic Diversity of the Lesser Antilles Revisiting Some Old and More Recent Floristic Data

Philippe Joseph, Jean-Philippe Claude, Kévine Baillard, Yelji Abati, Yanis Jean-Francois, Péguy Major, Jean-Emile Simphor, Jean-Valéry Marc, Séverine Ely-Marius, Stéphane Sophie
The complex structure of the abiotic factors in the Lesser Antilles leads to singular vegetation ranging from the dry to the humid. Geomorphology by means of the wide variety of topographic facets is the determining parameter which leads to gradients of mesological factors. Among the latter, both on the windward and leeward facades, the precipitation is distinguished by bioclimatic staging associated with plant stagings which consist of a mosaic of phytocenoses of variable sizes, ages, floristic...
Open Access Library J. Vol.7, 2020
Doi:10.4236/oalib.1106191


Mar 25, 2020Open    AccessArticle

Biomass Char Steam Gasification in Fluidized Reactor Using Nuclear Heat

Abdelhamid Belghit
The energy resources diversification has been increased with the energy crisis, in particular, the renewable energies and optimal management have become essential in the context of sustainable development. The conventional auto-thermal gasification processes burn part of the carbonaceous compound in order to supply the energy necessary to enhance gasification reactions. This energy could be provided as well by a nuclear reactor of IV generation. The nuclear heat is transferred from the VHTR to a...
Open Access Library J. Vol.7, 2020
Doi:10.4236/oalib.1106155


Aug 20, 2019Open    AccessArticle

Assessing the Floristic Biodiversity and Carbon Stock in a Republic of Congo’s Forest Ecosystem

Donatien Nzala, Romeo Ekoungoulou, Bernadin Y. Ngoumba
Reforestation management goes through the knowledge of the tired out evolution after a forestry rest. The aim of this study was to assess biodi-versity concerning Terminalia superba Engl. & Diels and its undergrowth, and then quantify sequestered carbon stocks to appreciate the impact of reforestation on forest recovery and the enhancement of carbon stocks. The study was conducted at Bilala artificial forest in southeastern Re
...
Open Access Library J. Vol.6, 2019
Doi:10.4236/oalib.1105638


Jul 10, 2019Open    AccessArticle

Influence of Land Cover Changes and Climatic Variability on Discharge Regime of Njoro River Catchment in Kenya

Kennedy Kitonga Mwetu
This study analyzed influence of land cover changes and climatic variability from 1973 to 2000 on discharge regime of Njoro River Catchment in Kenya. Analysis focused on hydro-meteorological data of 1977-1984 (Period I) and 1992-2000 (Period II), which are the periods found with available data and Landsat imageries for the same periods. Results show a downward trend of annual discharge that corresponded to increased deforestation.
...
Open Access Library J. Vol.6, 2019
Doi:10.4236/oalib.1105461


Jan 25, 2019Open    AccessArticle

Are the Alien Species of Melastomataceae and Bombacoideae a Potential Risk for Brazilian Cerrado?

Clesnan Mendes-Rodrigues, Paulo Eugênio Oliveira, Rafaela Cabral Marinho, Rosana Romero, Marli A. Ranal
The cultivation of species in urban areas for landscaping or consumption has increased in cities surrounded by Cerrado, putting in risk the local flora. Thus, the objective of this paper was to describe seed germination and seedling emergence of five urban cultivated species of Melastomataceae and Bombacoideae and compare them with Cerrado native species to evaluate if they offer any risk to local vegetation. The seeds were collec
...
Open Access Library J. Vol.6, 2019
Doi:10.4236/oalib.1105156


Oct 29, 2018Open    AccessArticle

The Potential Productivity of Light-Chestnut Soils of the North-Western Precaspian Region in Connection with the Dynamics of Environmental Factors

Gasan Gasanov, Tatiana Asvarova, Kamil Hajiyev, Rashid Bashirov, Aishat Abdulayeva, Zaira Akhmedova, Shamil Salikhov, Nurjagan Ramazanova, Viktoria Semenova, Radjab Usmanov, Aytemir Aytemirov, Nurulislam Magomedov, Magomed Musaev
The data on receipt of photo synthetically active radiation (FAR) on the soil surface and the coefficient of its use over the years and periods of the year de-pending on the hydrothermal conditions and dynamics of harmful salts in the soil are given. The items of the changes in the species composition of phytoce-noses depending on the environmental factors are considered.
Open Access Library J. Vol.5, 2018
Doi:10.4236/oalib.1104933


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