Photosynthesis and photoinhibition at low temperatures [Elektronische Ressource] : physiological responses of Antarctic rhodophytes / Susanne Becker
160 pages
English

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Photosynthesis and photoinhibition at low temperatures [Elektronische Ressource] : physiological responses of Antarctic rhodophytes / Susanne Becker

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160 pages
English
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Aus der Abteilung Meeresbotanik derUniversit¨ at BremenPhotosynthesis and photoinhibition at lowtemperatures: physiological responses ofAntarctic rhodophytesSusanne BeckerBremen 2010Dissertationsschrift des Fachbereichs Biologie/Chemie der Universit¨ atBremenzur Erlangung des akademischen GradDr. rer. nat.Cuando llegaste, apenas me conociste. te vayas, me llevaras contigo.”Als Du ankamst, hast Du mich kaum gekannt.Wenn Du gehst, wirst Du mich mit Dir nehmen.”¨Uber die Antarktis. Unbekannter Autor.iiiSummaryThe environment of Antarctica represents one of the most challenging and harshest ecosys-tems, which is characterized by very low temperatures and a strong seasonality in lightavailability. Due to the particular abiotic conditions, inhabiting organisms are highlyadapted to their habitat and possess the ability to cope flexibly with changing environ-mental factors. In the context of global climate change, the Antarctic and especially theAntarctic Peninsula undergo the most rapid and significantly changing regions worldwide.These changes become visible in retreating glaciers and extented amounts of icebergs aswell as increased precipitation and higher wind speeds. The drastic increase in annual meantemperature is regarded as the most apparent change (3°C within the last 50 years). Thisresults in sea-ice thinning and earlier break-up, thus, hight light intensities may penetrateearlier within the season deeply into the water column.

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Publié le 01 janvier 2010
Nombre de lectures 15
Langue English
Poids de l'ouvrage 3 Mo

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