Modelling the clonal growth of the rhizomatous macrophyte Potamogeton perfoliatus


Dateien zu dieser Ressource

Prüfsumme: MD5:d1e2858b6e41d9a6665946e5c3333141

WOLFER, Susanne R., Egbert H. van NES, Dietmar STRAILE, 2006. Modelling the clonal growth of the rhizomatous macrophyte Potamogeton perfoliatus. In: Ecological Modelling. 192(1-2), pp. 67-82. ISSN 0304-3800

@article{Wolfer2006Model-8297, title={Modelling the clonal growth of the rhizomatous macrophyte Potamogeton perfoliatus}, year={2006}, doi={10.1016/j.ecolmodel.2005.06.009}, number={1-2}, volume={192}, issn={0304-3800}, journal={Ecological Modelling}, pages={67--82}, author={Wolfer, Susanne R. and Nes, Egbert H. van and Straile, Dietmar} }

Straile, Dietmar Nes, Egbert H. van Wolfer, Susanne R. Nes, Egbert H. van eng Macrophytes play a crucial role in the functioning of lake ecosystems. Until now most macrophyte models neglected the fact that the majority of macrophyte species expand clonally during the growing season. Inclusion of a detailed description of clonal growth in models can facilitate our understanding of space occupation and patch expansion and predict future macrophytedevelopment. CLOMO is an individual-based model which includes a detailed, spatially explicit description of rhizome formation and clone expansion as well as a realistic description of photosynthesis including light limitation and temperature.<br />The model also accounts for transfers of energy or resources between different parts of the clone ( clonal integration ). Although the clonal growth of macrophytes is complex and poorly known, the first model results for the macrophyte species Potamogeton perfoliatus were promising and compared well with the field data. The model can produce growth networks very similar to those found in the field. A Monte Carlo sensitivity analysis showed systematically which parameters have the largest effect on the architecture and expansion of the clones. The application of the model provided new insights into growth dynamics and patch development: (1) the model showed that a lack of branching will lead to the extinction of the clone after a certain number of years. This is due to the fact that the reproductive organs (turions) are formed at the end of a branch and even a small turion mortality will cause a reduction in surviving plant numbers; (2) the growth of rhizome axes relative to those in the previous year determines the patch density and patch expansion rate. Reversing rhizomes lead to compact patch growth whereas continuing rhizomes lead to loose aggregates. 2011-03-24T17:42:29Z 2006 deposit-license 2011-03-24T17:42:29Z Wolfer, Susanne R. First publ. in: Ecological Modelling 192 (2006), p. 67-82 Modelling the clonal growth of the rhizomatous macrophyte Potamogeton perfoliatus Straile, Dietmar application/pdf

Dateiabrufe seit 01.10.2014 (Informationen über die Zugriffsstatistik)

Wolfer_etal06.pdf 174

Das Dokument erscheint in:

deposit-license Solange nicht anders angezeigt, wird die Lizenz wie folgt beschrieben: deposit-license

KOPS Suche


Mein Benutzerkonto