Phytoplankton modelling of Lake Erken, Sweden by linking the models PROBE and PROTECH

Elliott, J. A.; Persson, I.; Thackeray, S. J. ORCID: https://orcid.org/0000-0003-3274-2706; Blenckner, T.. 2007 Phytoplankton modelling of Lake Erken, Sweden by linking the models PROBE and PROTECH. Ecological Modelling, 202 (3-4). 421-426. 10.1016/j.ecolmodel.2006.11.004

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Official URL: http://dx.doi.org/10.1016/j.ecolmodel.2006.11.004

Abstract/Summary

A phytoplankton community model (PROTECH) and a lake physical model (PROBE) were linked, for the first time, to simulate the phytoplankton community of Lake Erken (Sweden). This allowed the physical effects of ice formation to be incorporated into the calculations of PROTECH. This is the highest latitude lake simulated by PROTECH thus far and was a further test of its biological application to lake ecosystems in general. A new cyanobacteria species was added to the PROTECH model: Gloeotrichia echinulata (Smith) Richter which had functional characteristics never before simulated in PROTECH and was an order of magnitude larger than species previously simulated. The biological outputs of total chlorophyll a were successfully validated against quantitative observations from the lake (EF = 0.76). The addition of G. echinulata to the model notably improved this fit, particularly in the period from July to October. Key taxa biomass were also simulated, with good fits for diatoms (EF = 0.70) and cyanobacteria (EF = 0.83). Furthermore, the characteristic periodic blooms of Gloeotrichia were captured, thus supporting its assigned model parameters and suggesting that PROTECH's growth equations can be applied to this significantly larger species. Furthermore, it appears that Gloeotrichia's simulated seasonal pattern of growth was greatly dependent upon the water temperature.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	10.1016/j.ecolmodel.2006.11.004
Programmes:	CEH Programmes pre-2009 publications > Water > CC01A Detection and Attribution of Change in UK and European Ecosystems
UKCEH and CEH Sections/Science Areas:	Parr
ISSN:	0304-3800
Additional Keywords:	PROTECH, PROBE, Gloeotrichia
NORA Subject Terms:	Ecology and Environment
Related URLs:	Project Website Other
Date made live:	10 Jan 2008 12:48 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/1965

Item Type:

Publication - Article

Digital Object Identifier (DOI):

10.1016/j.ecolmodel.2006.11.004

Programmes:

CEH Programmes pre-2009 publications > Water > CC01A Detection and Attribution of Change in UK and European Ecosystems

UKCEH and CEH Sections/Science Areas:

Parr

ISSN:

0304-3800

Additional Keywords:

PROTECH, PROBE, Gloeotrichia