Measuring spore settling velocity for an improved assessment of dispersal rates in mosses

[Background and Aims] The settling velocity of diaspores is a key parameter for the measurement of dispersal ability in wind-dispersed plants and one of the most relevant parameters in explicit dispersal models, but remains largely undocumented in bryophytes. The settling velocities of moss spores were measured and it was determined whether settling velocities can be derived from spore diameter using Stokes' Law or if specific traits of spore ornamentation cause departures from theoretical expectations.

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Bibliographic Details
Main Authors: Zanatta, Florian, Patiño, Jairo, Lebeau, Frederic, Massinon, Mathieu, Hylander, Kristoffer, Haan, Myriam de, Ballings, Petra, Degreef, Jerome, Vanderpoorten, Alain
Other Authors: Fonds de la Recherche Scientifique (Fédération Wallonie-Bruxelles)
Format: artículo biblioteca
Published: Oxford University Press 2016-08
Subjects:Settling velocity, Wind dispersal, Spore diameter, Moss, Stokes’, Law, Drag, Spore ornamentation, Perine, Life-history strategy, Bryophytes,
Online Access:http://hdl.handle.net/10261/184007
http://dx.doi.org/10.13039/501100002661
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Summary:[Background and Aims] The settling velocity of diaspores is a key parameter for the measurement of dispersal ability in wind-dispersed plants and one of the most relevant parameters in explicit dispersal models, but remains largely undocumented in bryophytes. The settling velocities of moss spores were measured and it was determined whether settling velocities can be derived from spore diameter using Stokes' Law or if specific traits of spore ornamentation cause departures from theoretical expectations.