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Phytoplankton carbon to chlorophyll a ratio: response to light, temperature and nutrient IBSS Repository
Finenko, Z. Z.; Hoepffner, N.; Williams, R.; Piontkovski, S. A..
Выполнено обобщение литературных и собственных экспериментальных данных по действию света, темпе-ратуры и биогенных элементов на отношение углерод-хлорофилл а в клетках 36 видов водорослей из 7 так-сономических групп. При одинаковых условиях средние значения С:Хл. отношения для отдельных таксоно-мических групп увеличиваются в следующем порядке: Chlorophyceae < Bacillariophyceae, Prochlorococcus < Prymnesiophyceae < Cyanophyceae < Dinophyceae. При постоянной температуре С:Хл. отношение повышается линейно с увеличением света и уменьшается экспоненциально с ростом температуры при одинаковой интен-сивности света. Комбинированное действие света и температуры на С:Хл. отношение у всех исследованных водорослей описано одним уравнением с 3...
Tipo: Journal Contribution Palavras-chave: Углерод: хлорофилл а отношение; Свет; Температура; Биогенное лимитирование; Фотоадаптация; Микроводоросли; Carbon:chlorophyll a ratio; Light; Temperature; Nutrient-limitation; Photoacclimation; Microalgae Temperature Light Light Temperature http://aims.fao.org/aos/agrovoc/c_4322 http://aims.fao.org/aos/agrovoc/c_7657.
Ano: 2003 URL: http://repository.ibss.org.ua/dspace/handle/99011/38
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Influence of seamounts at the Atlantic Ocean on modification of the bioluminiscence and plankton characteristics IBSS Repository
Tokarev, Yu. N.; Bityukov, E. P.; Williams, R..
The bioluminescence and plankton characteristics in the euphotic layer over 11 seamounts in the Atlantic Ocean were studied. Investigations were carried out along the axis of flow over the mounts. Bathyphotometric measurements (1606 casts) were taken from 2 m to 100 m depths at 87 stations over the various seamounts with a vertical resolution of 1 m. Plankton samples were taken with Juday nets and submersible electric pumps with 36 m3• •h-1 performance. The bioluminescence characteristics varied over seamounts with different geomorphological features. The hydrodynamic gyres, created by the bottom elevations, and the upwelling of water with biogenic elements, also seem to have effects on the quantitative characteristics of the plankton. The largest changes...
Tipo: Journal Contribution Palavras-chave: Atlantic Ocean; Seamounts; Bioluminescence; Plankton; Атлантический океан; Подводные возвышенности; Биолюминесценция; Планктон Seamounts Bioluminescence Plankton Plankton http://aims.fao.org/aos/agrovoc/c_5950.
Ano: 2003 URL: http://repository.ibss.org.ua/dspace/handle/99011/168
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Learning through exchange about organic agriculture - case of Europe and Australia Organic Eprints
Sriskandarajah, N.; Mulley, R.; Christie, M.; Taji, A.; Wals, A.; Abbott, L.; von Fragstein und Niemsdorff, P.; Williams, R.; Langer, V.; Olsen, H.; Parvez, Q.; Ward, P.; Packham, R.; Scullion, J.; Daniel, H.; Kristiansen, P.; Galea, V..
LEAFSE is the catch word for an innovative program of exchange study for young Australians and Europeans, with organic agriculture as the focal point of their Masters level studies. Two years ago, the European Commission and the Australian Department of Education, Science and Technology (DEST) came up with the call for applications for a pilot project to support international mobility of tertiary students between the two continents. The grand aims set for the exchange included providing students with an international outlook and a range of perspectives, preparing them for the global marketplace, enable their understanding and empathy for different cultures and traditions and foster exchange of information. A number of us with an interest and an already...
Tipo: Conference paper, poster, etc. Palavras-chave: Education; Extension and communication.
Ano: 2005 URL: http://orgprints.org/14049/1/Sriskandarajah.pdf
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