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Get Free AccessMEPS Marine Ecology Progress Series Contact the journal Facebook Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout the JournalEditorsTheme Sections MEPS 158:131-138 (1997) - doi:10.3354/meps158131 Dynamics of a landscape mosaic: size and age distributions, growth and demography of seagrass Cymodocea nodosa patches B. Vidondo1,*, C. M. Duarte2, A. L. Middelboe3, K. Stefansen3, T. Lützen3, S. L. Nielsen3 1Limnologisches Institut, Universität Konstanz, Mainaustrasse 212, D-78457 Konstanz, Germany 2Centro de Estudios Avanzados de Blanes - CSIC, Camí de Santa Bárbara s/n, E-17300 Blanes, Girona, Spain 3Department of Life Sciences and Chemistry, Roskilde University, DK-4000 Roskilde, Denmark *E-mail: beatriz.vidondo@uni-konstanz.de The patch dynamics (recruitment, growth and mortality) of seagrass Cymodocea nodosa were examined at the landscape scale (i.e. the scale at which disturbances occur) by means of 3-dimensional (X, Y dimensions and depth) mapping of shoot internal density and age structure within the basic units (patches) forming the landscape. Highly skewed patch size and age distributions indicated a high exponential patch mortality rate (m = 0.82 ± 0.07 yr-1) and a slightly higher exponential patch recruitment rate (1.04 yr-1) that ensures the maintenance and fast turnover of this population of patches. Patch growth (i.e. increase in number of shoots per patch) proceeded at an exponential growth rate of 2.28 ± 0.14 yr-1, indicating a doubling time of 111 d for the shoot population within each patch. Moreover, average patch growth rate accelerates with increasing patch size and age. This self-acceleration of patch growth means that this seagrass species has a remarkable potential for rapid space occupation due to its intense clonal growth. The results obtained emphasize the power of a landscape approach for describing the intense dynamics of colonising seagrass populations. Seagrass patch dynamics · Landscape scale · Three-dimensional mapping · Size and age distributions · Pareto distribution Full text in pdf format PreviousNextExport citation RSS - Facebook - Tweet - linkedIn Cited by Published in MEPS Vol. 158. Publication date: November 17, 1997 Print ISSN:0171-8630; Online ISSN:1616-1599 Copyright © 1997 Inter-Research.
Beatriz Vidondo, Carlos M. Duarte, AL Middelboe, K Stefansen, T Lützen, Søren Laurentius Nielsen (1997). Dynamics of a landscape mosaic:size and age distributions, growth and demography of seagrass Cymodocea nodosa patches. , 158, DOI: https://doi.org/10.3354/meps158131.
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Type
Article
Year
1997
Authors
6
Datasets
0
Total Files
0
Language
en
DOI
https://doi.org/10.3354/meps158131
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