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Mangrove forests are ecosystems made up of several woody plants living in saline coastal sedimentary habitats. In order to deal with the high salinity of the substrate, mangrove trees possess a number of different mechanisms to exclude, sequestrate or excrete the excess of salt. The black mangrove (Avicennia germinans L.), one of the dominant species in Central America, is characterized by high levels...
Developing leaves of several mature Betula pendula trees planted for landscaping turned red when a sudden cold period occurred during the high light conditions of Spring. At the same time the leaves of other trees remained green. The effect of street lamp light on leaf colouration of the B. pendula trees with Springtime red- and green-emerging leaves was studied in the cool Autumn weather. The result...
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