السجلات المعروضة 281 -- 300 من 469

    • A comparative study of Seagrasses Species in Regional Seas and QMZ 

      M.M. Abdelbary, Ekhlas; AlAshwal, Aisha ( Qatar University Press , 2021 , Poster)
      Seagrasses are flowering monocot green plants that have adapted to marine life, and remain completely immersed in seawater and are primary producers of food for numerous marine animals. Seagrasses are of worldwide distribution ...
    • The Influence of Qatari Dust on the Element Composition of Marine Plankton 

      Yigiterhan, Oguz; Al-Thani, Jassem Abdulaziz; Dib, Samah; Alsaadi, Hamood Abdulla; Al-Ansari, Ebrahim Mohd; ... more authors ( Qatar University Press , 2021 , Poster)
      The Exclusive Economic Zone (EEZ) of Qatar is affected by extreme dust and extensive industrialization, making it an ideal location to examine influences of coastal processes on biological activity, which greatly affects ...
    • Coral Research and Nursery Farm Project 

      Range, Pedro; Giraldes, Bruno; Al-Khayat, Jassim; M. Romeo, Manuel; Chacko, Nissy; ... more authors ( Qatar University Press , 2021 , Poster)
      In the framework of the Coral Management Plan for the North Field Expansion Project (NFE) and North Field Production Sustainability Project (NFPS), Qatargas has partnered with the Environmental Science Center (ESC) to ...
    • Surface waves generated by shamal and easterly winds off Qatar 

      Valliyil Mohammed, Aboobacker; Subramanian, Veerasingam; Al-Ansari, Ebrahim M.A.S.; Ponnumony, Vethamony ( Qatar University Press , 2021 , Poster)
      Waves in the Arabian Gulf are primarily controlled by the regional winds, for example, shamal winds during winter and early summer. Though Gulf wave characteristics have been heavily utilized for the design of offshore ...
    • Atmospheric Black Carbon over Qatar: Seasonal Variability and Source Apportionment 

      Tutsak, Ersin; Mahfouz, Mohamed M.; Shahid, Imran ( Qatar University Press , 2021 , Poster)
      The earth’s atmosphere contains minute particles suspended within it. These atmospheric particles influence the earth's radiation budget through their ability to absorb and scatter radiation. Black carbon (BC) is a type ...
    • Mercury levels in tar mat contaminated beaches and its marine organisms living along the Qatari coasts 

      Abouelezz, Ahmed Helmy Hassan ( Qatar University Press , 2021 , Poster)
      One of the pollutants that affects the coastal environment of Qatar is the vast expanse of oil residue ‘tarmats’ deposited on its beaches. The current study is aimed at gauging the concentration levels of total mercury ...
    • Assessment of Organic and Inorganic Pollutants Along The Qatari Coast 

      Al-Shamary, Noora ( Qatar University Press , 2021 , Poster)
      Qatar sits in the middle of the world's most important hydrocarbon producing areas where significant regional refining activity and shipping traffic take place. In addition to significant local coastline, development ...
    • Edms model verification considering remarkable changes in airport traffic system 

      Groma, Veronika; Ferenczi, Zita; Alföldy, Bálint; Osán, János; Török, Szabina; ... more authors ( Hungarian Meteorological Service , 2016 , Conference)
      This paper presents the verification process of the Emission and Dispersion Modeling System adapted to evaluate the air quality of Liszt Ferenc International Airport. One receptor point was selected at the Airport, at ...
    • Do changes in current flow as a result of arrays of tidal turbines have an effect on benthic communities? 

      Kregting, Louise; Elsaesser, Bjoern; Kennedy, Robert; Smyth, David; O'Carroll, Jack; ... more authors ( Public Library of Science , 2016 , Article)
      Arrays of tidal energy converters have the potential to provide clean renewable energy for future generations. Benthic communities may, however, be affected by changes in current speeds resulting from arrays of tidal ...
    • Impacts of rapid urbanization on ecosystem services under different scenarios – A case study in Dianchi Lake Basin, China 

      Ruibo, Wang; Bai, Yang; Alatalo, Juha M.; Yang, Zhangqian; Yang, Zongbao; ... more authors ( Elsevier , 2021 , Article)
      Dianchi Lake Basin (DLB) is a typical and representative type of urbanization model based on the plateau lake ecosystem, with scarce land resources, deficient water resources, and a fragile ecological environment, in ...
    • Fuelwood and fodder consumption patterns among agroforestry-practicing smallholder farmers of the lower Himalayas, India 

      Nagar, Bhuvnesh; Rawat, Sushma; Pandey, Rajiv; Kumar, Munesh; Alatalo, Juha M. ( Springer , 2021 , Article)
      Trees are important as a source of fuelwood and fodder for rural populations in the Himalayas. This paper analysed the fuelwood and fodder consumption patterns of rural households in 16 villages in Alaknanda Valley, ...
    • Cushion plants act as facilitators for soil microarthropods in high alpine Sweden 

      Ľuptáčik, P.; Ľuptáčik, Peter; Čuchta, Peter; Jakšová, Patrícia; Miklisová, Dana; ... more authors ( Springer , 2021 , Article)
      Cushion plants can have positive impacts on plant richness in severe environments and possibly across trophic levels on arthropods, an under-studied topic. This study examined whether soil communities under cushions have ...
    • Climate Warming Consistently Reduces Grassland Ecosystem Productivity 

      Wu, Gao-Lin; Zheng, Zhen; Alatalo, Juha Mikael; Zhao, Jingxue; Liu, Yu ( Advanced Earth And Science , 2021 , Article)
      Future climate may profoundly impact the functioning of terrestrial ecosystems. However, we do not know well how the functioning of different types of grassland ecosystems is associated with variation in temperature and ...
    • Community perspectives on conservation of water sources in Tarkeshwar sacred groves, Himalaya, India 

      Jana, Purna; Pandey, Rajiv; Semeraro, Teodoro; Alatalo, Juha M.; Areteno, Roberta; ... more authors ( IWA PUBLISHING , 2021 , Article)
      Sacred groves have significance in socio-culture and biodiversity conservation. This study evaluated local people's perceptions regarding conservation of sacred groves for water services, through willingness-to-pay (WTP), ...
    • A new method for broad-scale modeling and projection of plant assemblages under climatic, biotic, and environmental cofiltering. 

      Ferrarini, Alessandro; Bai, Yang; Dai, Junhu; Alatalo, Juha M. ( Wiley , 2021 , Article)
      There is increasing interest in broad-scale analysis, modeling, and prediction of the distribution and composition of plant species assemblages under climatic, environmental, and biotic filtering, particularly for conservation ...
    • The tundra phenology database: More than two decades of tundra phenology responses to climate change 

      Prevéy, Janet; Elmendorf, Sarah; Bjorkman, Anne; Alatalo, Juha; Ashton, Isabel; ... more authors ( NRC Research Press , 2021 , Article)
      Observations of changes in phenology have provided some of the strongest signals of the effects of climate change on terrestrial ecosystems. The International Tundra Experiment (ITEX), initiated in the early 1990s, established ...
    • Experimental warming differentially affects vegetative and reproductive phenology of tundra plants 

      Collins, Courtney G.; Elmendorf, Sarah C.; Hollister, Robert D.; Henry, Greg H.R.; Clark, Karin; ... more authors ( Nature Research , 2021 , Article)
      Rapid climate warming is altering Arctic and alpine tundra ecosystem structure and function, including shifts in plant phenology. While the advancement of green up and flowering are well-documented, it remains unclear ...
    • Facies architecture and depositional model for a fine-grained hybrid-energy delta: An example from the Upper Cambrian to Lower Ordovician Barik Formation, Central Oman 

      Shelukhina, Olga I.; El-Ghali, Mohamed A.K.; Abbasi, Iftikhar Ahmed; Khan, Junaid Ahmed; Khalifa, Mohamed Kh; ... more authors ( Wiley , 2021 , Article)
      Recognizing ancient deltas' depositional architecture is challenging due to the complex interplay of the fluvial, waves, and tidal processes. The integration of field-based sedimentological and trace fossils studies of the ...
    • Benchmarking plant diversity of Palaearctic grasslands and other open habitats 

      Biurrun, Idoia; Pielech, Remigiusz; Dembicz, Iwona; Gillet, François; Kozub, Łukasz; ... more authors ( Wiley , 2021 , Article)
      Aims Understanding fine-grain diversity patterns across large spatial extents is fundamental for macroecological research and biodiversity conservation. Using the GrassPlot database, we provide benchmarks of fine-grain ...
    • Vegetation responses to 26 years of warming at Latnjajaure Field Station, northern Sweden 

      Scharn, Ruud; Brachmann, Cole G.; Patchett, Aurora; Reese, Heather; Bjorkman, Anne; ... more authors ( NRC Research Press , 2021 , Article)
      Climate change is rapidly warming high latitude and high elevation regions influencing plant community composition. Changes in vegetation composition have motivated the coordination of ecological monitoring networks across ...