243
salt marshes, seagrass/macrophyte beds, mussel banks, mangroves or coral reefs are very welcome.
14.2 Abstracts of Oral Presentations
14.2.1 Coastal Ecosystem Restoration –
Innovations for a Better Tomorrow
Jana Carus
1*
, Matthias Goerres
1*
, Maike Paul
1
1
TU Braunschweig, Institute of Geoecology, Landscape
Ecology and Environmental System Analysis, Langer Kamp
19c, 38106 Braunschweig, Germany
*corresponding authors: j.carus@tu-bs.de, m.goerres@
tu-bs.de
Coastal ecosystems provide a variety of services. Due to
increasing anthropogenic pressures, such as large-scale shipping, overfishing and eutrophication, the degradation and
loss of suitable habitat in the past decades has led to numerous – yet more failed than successful – efforts of ecosystem
restoration. This evokes a necessity for innovative approaches
and alternative solutions. For instance, seagrass ecosystems
are very dynamic and under constant change. Once vanished,
seagrass meadows are difficult to re-establish because
enhanced hydrodynamic energy and turbidity levels hinder
resettlement. The project SeaArt aims to enhance seagrass
restoration success by developing biodegradable artificial
seagrass that improves these environmental conditions. Field
measurements will help to quantify the dynamics of existing
seagrass meadows and the effect of real seagrass on hydrodynamics and turbidity. Mesocosm experiments will be conducted to shed light on required establishment conditions.
Within the scope of this project, we want to gain information
on the most appropriate design and the required effect of the
artificial seagrass. Furthermore, we aim to quantify the effect
of a successful restoration on wave attenuation and thus
coastal protection.
14.2.2 Coral Transplantation – Scientific Method
or PR-Instrument?
Lena Rölfer
1*
, Margaux Y. Hein
2,3
, Sebastian Ferse
1
1
Leibniz Center for Tropical Marine Research,
Fahrenheitstraße 6, 28359 Bremen, Germany
2
College of Science and Engineering, James Cook
University, Townsville, Queensland, 4811, Australia
3
Australian Research Council (ARC) Centre of Excellence
for Coral Reef Studies, Townsville, Queensland, 4811,
Australia
*corresponding author: lena@roelfer.de
Keywords: Coral transplantation, Reef restoration,
Survey, Transplantation techniques
Coral reefs are under threat of local factors such as chemical pollution, ship groundings, dynamite fishing and tourist
damage and under threat of climate change on a global scale.
Coral transplantation is a form of active reef restoration that
is usually designed to assist natural recovery processes of a
reef, but the method seems to be used in a broader context
without prior assessment of necessity and effectiveness. To
design a successful and sustainable transplantation project,
many factors have to be taken into account, such as the
receiving area, source of transplants, species selection, and
monitoring and maintenance of transplants. To gauge the
extent to which these principles are taken into account, we
designed a survey to assess whether transplantation techniques are used in a scientific way, or if the term coral transplantation is rather used as a PR-method. Organizations
conducting coral transplantation projects worldwide were
contacted and asked to participate in the survey. Preliminary
results show that only in 65% of the projects the cause of
degradation of the reef was assessed. However, 76% assessed
the environmental conditions prior to transplantation and
93% conducted monitoring after transplantation. All nonmonitored projects were run by businesses. Main objectives
of transplantation efforts differed among types of organizations. While research institutions, private organizations and
NGOs concentrate clearly on habitat restoration, businesses
follow various objectives such as relocation of threatened
species, creation of tourist attraction, creation of new habitat
and habitat restoration. In total 34% of all respondents indicated that the aim of the project is the creation of a tourist
attraction. Results show that coral transplantation projects
are used for various aims, not only the initial one of habitat
recovery. Voluntary comments at the end of the survey indicate that more scientific knowledge and better monitoring is
necessary to improve future transplantation projects.
14.3 Abstracts of Poster Presentations
14.3.1 Can Nutrient Mitigation Measures (Mussel
Farms) Help to Restore Submerged Macrophytes?
R. Friedland
1*
, A.-L. Buer
1
, S. Dahlke
2
, S. Paysen
1
,
G. Schernewski
1,3
1
Leibniz-Institute for Baltic Sea Research Warnemünde,
Germany
2
University Greifswald, Germany
3
Klaipeda University, Marine Science and Technology
Center, Lithuania
*corresponding author: rene.friedland@io-warnemuende.
de
Many coastal waters are struggling with their heavily
eutrophied state, resulting in high amounts of phytoplankton and low Secchi Depth which led to a strong decline of
submerged macrophytes. For example, in Szczecin Lagoon
(Oder Lagoon) dense macrophyte stocks were reported
until the 1970ties, while nowadays only sparse spots are
left. This was accompanied by a drop of Secchi Depth from
Appendices
salt marshes, seagrass/macrophyte beds, mussel banks, mangroves or coral reefs are very welcome.
14.2 Abstracts of Oral Presentations
14.2.1 Coastal Ecosystem Restoration –
Innovations for a Better Tomorrow
Jana Carus
1*
, Matthias Goerres
1*
, Maike Paul
1
1
TU Braunschweig, Institute of Geoecology, Landscape
Ecology and Environmental System Analysis, Langer Kamp
19c, 38106 Braunschweig, Germany
*corresponding authors: j.carus@tu-bs.de, m.goerres@
tu-bs.de
Coastal ecosystems provide a variety of services. Due to
increasing anthropogenic pressures, such as large-scale shipping, overfishing and eutrophication, the degradation and
loss of suitable habitat in the past decades has led to numerous – yet more failed than successful – efforts of ecosystem
restoration. This evokes a necessity for innovative approaches
and alternative solutions. For instance, seagrass ecosystems
are very dynamic and under constant change. Once vanished,
seagrass meadows are difficult to re-establish because
enhanced hydrodynamic energy and turbidity levels hinder
resettlement. The project SeaArt aims to enhance seagrass
restoration success by developing biodegradable artificial
seagrass that improves these environmental conditions. Field
measurements will help to quantify the dynamics of existing
seagrass meadows and the effect of real seagrass on hydrodynamics and turbidity. Mesocosm experiments will be conducted to shed light on required establishment conditions.
Within the scope of this project, we want to gain information
on the most appropriate design and the required effect of the
artificial seagrass. Furthermore, we aim to quantify the effect
of a successful restoration on wave attenuation and thus
coastal protection.
14.2.2 Coral Transplantation – Scientific Method
or PR-Instrument?
Lena Rölfer
1*
, Margaux Y. Hein
2,3
, Sebastian Ferse
1
1
Leibniz Center for Tropical Marine Research,
Fahrenheitstraße 6, 28359 Bremen, Germany
2
College of Science and Engineering, James Cook
University, Townsville, Queensland, 4811, Australia
3
Australian Research Council (ARC) Centre of Excellence
for Coral Reef Studies, Townsville, Queensland, 4811,
Australia
*corresponding author: lena@roelfer.de
Keywords: Coral transplantation, Reef restoration,
Survey, Transplantation techniques
Coral reefs are under threat of local factors such as chemical pollution, ship groundings, dynamite fishing and tourist
damage and under threat of climate change on a global scale.
Coral transplantation is a form of active reef restoration that
is usually designed to assist natural recovery processes of a
reef, but the method seems to be used in a broader context
without prior assessment of necessity and effectiveness. To
design a successful and sustainable transplantation project,
many factors have to be taken into account, such as the
receiving area, source of transplants, species selection, and
monitoring and maintenance of transplants. To gauge the
extent to which these principles are taken into account, we
designed a survey to assess whether transplantation techniques are used in a scientific way, or if the term coral transplantation is rather used as a PR-method. Organizations
conducting coral transplantation projects worldwide were
contacted and asked to participate in the survey. Preliminary
results show that only in 65% of the projects the cause of
degradation of the reef was assessed. However, 76% assessed
the environmental conditions prior to transplantation and
93% conducted monitoring after transplantation. All nonmonitored projects were run by businesses. Main objectives
of transplantation efforts differed among types of organizations. While research institutions, private organizations and
NGOs concentrate clearly on habitat restoration, businesses
follow various objectives such as relocation of threatened
species, creation of tourist attraction, creation of new habitat
and habitat restoration. In total 34% of all respondents indicated that the aim of the project is the creation of a tourist
attraction. Results show that coral transplantation projects
are used for various aims, not only the initial one of habitat
recovery. Voluntary comments at the end of the survey indicate that more scientific knowledge and better monitoring is
necessary to improve future transplantation projects.
14.3 Abstracts of Poster Presentations
14.3.1 Can Nutrient Mitigation Measures (Mussel
Farms) Help to Restore Submerged Macrophytes?
R. Friedland
1*
, A.-L. Buer
1
, S. Dahlke
2
, S. Paysen
1
,
G. Schernewski
1,3
1
Leibniz-Institute for Baltic Sea Research Warnemünde,
Germany
2
University Greifswald, Germany
3
Klaipeda University, Marine Science and Technology
Center, Lithuania
*corresponding author: rene.friedland@io-warnemuende.
de
Many coastal waters are struggling with their heavily
eutrophied state, resulting in high amounts of phytoplankton and low Secchi Depth which led to a strong decline of
submerged macrophytes. For example, in Szczecin Lagoon
(Oder Lagoon) dense macrophyte stocks were reported
until the 1970ties, while nowadays only sparse spots are
left. This was accompanied by a drop of Secchi Depth from
Appendices