2024-03-29T13:42:36Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/1501252018-07-06T08:07:30Zcom_10261_88com_10261_8col_10261_341
DIGITAL.CSIC
author
Alcoverro, Teresa
author
Duarte, Carlos M.
author
Romero, Javier
2017-05-23T07:17:52Z
2017-05-23T07:17:52Z
1995
Marine Ecology - Progress Series 120 : 203-210 (1995)
0171-8630
http://hdl.handle.net/10261/150125
1616-1599
The seasonal growth pattern of the seagrass Posidonia oceanica (L.) Delile was examined
in 5 meadows in NE Spain to assess the relative importance of large-scale versus local factors in controbng
the seasonal patterns observed. Large-scale seasonal forcing, resulting from changes in light
and temperature associated with the solar cycle, was assessed from the coherence of seasonal growth
palterns among the meadows and accounted for 46 and 43% of variability in shoot size and growth,
respectively. The local component of seasonality, which results from local variation in environmental
variables (e.g. nutrients, dissolved inorganic carbon, redox potential) was assessed as the differences in
the annual time course of shoot size and growth among the meadows, and accounted for 9 and 12% of
the variability, respectively. These results support the contention that seagrass seasonality is primarily
controlled by the solar cycle, and secondarily by seasonal changes in the environment which are at
leas1 in part caused by the temporal variability of seagrass growth. This indirect link between light and
temperature and local conditions needs to be taken into account to interpret correlations between such
variables and seagrass growth.
eng
openAccess
Posidonia oceanica
Nutrients
Seasonality
Growth
Primary production
Seagrass
Annual growth of Posidonia oceanica: contribution of large-scale versus local factors to seasonality
artÃculo
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URL
https://digital.csic.es/bitstream/10261/150125/1/alcoverro%201995.pdf
File
MD5
dad685d73d6f351a94413a4b52a85a62
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application/pdf
alcoverro 1995.pdf