Home > Research > Publications & Outputs > Comparison of the influence of patch-scale and ...
View graph of relations

Comparison of the influence of patch-scale and meadow-scale characteristics on flow within seagrass meadows: a flume study

Research output: Contribution to journalJournal articlepeer-review

Published

Standard

Comparison of the influence of patch-scale and meadow-scale characteristics on flow within seagrass meadows : a flume study. / Aditya, Achmad; Bouma, Tjeerd; Folkard, Andrew; van Katwijk, Marieke; Callaghan, David; de Iongh, Hans; Herman, Peter.

In: Marine Ecology Progress Series, Vol. 516, 03.12.2014, p. 49-59.

Research output: Contribution to journalJournal articlepeer-review

Harvard

Aditya, A, Bouma, T, Folkard, A, van Katwijk, M, Callaghan, D, de Iongh, H & Herman, P 2014, 'Comparison of the influence of patch-scale and meadow-scale characteristics on flow within seagrass meadows: a flume study', Marine Ecology Progress Series, vol. 516, pp. 49-59. https://doi.org/10.3354/meps10873

APA

Aditya, A., Bouma, T., Folkard, A., van Katwijk, M., Callaghan, D., de Iongh, H., & Herman, P. (2014). Comparison of the influence of patch-scale and meadow-scale characteristics on flow within seagrass meadows: a flume study. Marine Ecology Progress Series, 516, 49-59. https://doi.org/10.3354/meps10873

Vancouver

Aditya A, Bouma T, Folkard A, van Katwijk M, Callaghan D, de Iongh H et al. Comparison of the influence of patch-scale and meadow-scale characteristics on flow within seagrass meadows: a flume study. Marine Ecology Progress Series. 2014 Dec 3;516:49-59. https://doi.org/10.3354/meps10873

Author

Aditya, Achmad ; Bouma, Tjeerd ; Folkard, Andrew ; van Katwijk, Marieke ; Callaghan, David ; de Iongh, Hans ; Herman, Peter. / Comparison of the influence of patch-scale and meadow-scale characteristics on flow within seagrass meadows : a flume study. In: Marine Ecology Progress Series. 2014 ; Vol. 516. pp. 49-59.

Bibtex

@article{62e629256db2470aa22ae525d8a4a311,
title = "Comparison of the influence of patch-scale and meadow-scale characteristics on flow within seagrass meadows: a flume study",
abstract = "Hydrodynamic processes are an important agent of stress and facilitation in seagrass meadows, but little is known about the effects of the common phenomenon of heterogeneity of seagrass meadows on their interactions with hydrodynamic processes. To address this gap in knowledge, 4 heterogeneous configurations of Posidionia oceanica mimics were analyzed in a laboratory flume. The 4 configurations were created by placing 4 boards of mimics, i.e. 2 with high shoot density (~1100 shoots m−2) and 2 with low shoot density (~400 m−2), in different patterns (checkerboard, parallel, dense-sparse, and sparse-dense). Our results show that volumetric flow rate through each canopy, which is an indicator of the rate of supply of resources transported by the flow, tended to be greater in the low-density patches, regardless of the configuration. We alsofound that the Reynolds stress component τRe was positive in the lower-density patches (indicating that horizontal momentum was being transferred into the patch) and negative in the high-density patches (indicating that horizontal momentum was being transferred upwards out of the patch). Our results suggest that in resource-limited environments, hydrodynamic processes favor the growth of lower-density patches in heterogeneous seagrass meadows, thereby causing meadows to become more homogeneous over time.",
keywords = "Seagrass, Posidionia oceanica, Hydrodynamics, Heterogeneity, Patches, Shoot density",
author = "Achmad Aditya and Tjeerd Bouma and Andrew Folkard and {van Katwijk}, Marieke and David Callaghan and {de Iongh}, Hans and Peter Herman",
year = "2014",
month = dec,
day = "3",
doi = "10.3354/meps10873",
language = "English",
volume = "516",
pages = "49--59",
journal = "Marine Ecology Progress Series",
issn = "0171-8630",
publisher = "Inter-Research",

}

RIS

TY - JOUR

T1 - Comparison of the influence of patch-scale and meadow-scale characteristics on flow within seagrass meadows

T2 - a flume study

AU - Aditya, Achmad

AU - Bouma, Tjeerd

AU - Folkard, Andrew

AU - van Katwijk, Marieke

AU - Callaghan, David

AU - de Iongh, Hans

AU - Herman, Peter

PY - 2014/12/3

Y1 - 2014/12/3

N2 - Hydrodynamic processes are an important agent of stress and facilitation in seagrass meadows, but little is known about the effects of the common phenomenon of heterogeneity of seagrass meadows on their interactions with hydrodynamic processes. To address this gap in knowledge, 4 heterogeneous configurations of Posidionia oceanica mimics were analyzed in a laboratory flume. The 4 configurations were created by placing 4 boards of mimics, i.e. 2 with high shoot density (~1100 shoots m−2) and 2 with low shoot density (~400 m−2), in different patterns (checkerboard, parallel, dense-sparse, and sparse-dense). Our results show that volumetric flow rate through each canopy, which is an indicator of the rate of supply of resources transported by the flow, tended to be greater in the low-density patches, regardless of the configuration. We alsofound that the Reynolds stress component τRe was positive in the lower-density patches (indicating that horizontal momentum was being transferred into the patch) and negative in the high-density patches (indicating that horizontal momentum was being transferred upwards out of the patch). Our results suggest that in resource-limited environments, hydrodynamic processes favor the growth of lower-density patches in heterogeneous seagrass meadows, thereby causing meadows to become more homogeneous over time.

AB - Hydrodynamic processes are an important agent of stress and facilitation in seagrass meadows, but little is known about the effects of the common phenomenon of heterogeneity of seagrass meadows on their interactions with hydrodynamic processes. To address this gap in knowledge, 4 heterogeneous configurations of Posidionia oceanica mimics were analyzed in a laboratory flume. The 4 configurations were created by placing 4 boards of mimics, i.e. 2 with high shoot density (~1100 shoots m−2) and 2 with low shoot density (~400 m−2), in different patterns (checkerboard, parallel, dense-sparse, and sparse-dense). Our results show that volumetric flow rate through each canopy, which is an indicator of the rate of supply of resources transported by the flow, tended to be greater in the low-density patches, regardless of the configuration. We alsofound that the Reynolds stress component τRe was positive in the lower-density patches (indicating that horizontal momentum was being transferred into the patch) and negative in the high-density patches (indicating that horizontal momentum was being transferred upwards out of the patch). Our results suggest that in resource-limited environments, hydrodynamic processes favor the growth of lower-density patches in heterogeneous seagrass meadows, thereby causing meadows to become more homogeneous over time.

KW - Seagrass

KW - Posidionia oceanica

KW - Hydrodynamics

KW - Heterogeneity

KW - Patches

KW - Shoot density

U2 - 10.3354/meps10873

DO - 10.3354/meps10873

M3 - Journal article

VL - 516

SP - 49

EP - 59

JO - Marine Ecology Progress Series

JF - Marine Ecology Progress Series

SN - 0171-8630

ER -