[Invasive-species] symposium ​CWE CoP invasieve waterplanten

Tim Adriaens tim.adriaens at inbo.be
Wed Nov 9 09:59:40 CET 2016


Even deze aankondiging doorsluizen, symposium rond bestrijding exotische
waterplanten, gericht op het uitwisselen van ervaringen en het vormen van
een Community of Practice rond bestrijding. Wellicht ook relevant voor
Vlaamse beheerders.



-------- Doorgestuurd bericht --------
Centre for Wetland Ecology Newsletter 13
Datum: Thu, 3 Nov 2016 11:52:03 +0000
Van: Centre for Wetland Ecology, Liesbeth Bakker <
cwe at nioo.knaw.nl> <cwe at nioo.knaw.nl>
Antwoord-naar: Centre for Wetland Ecology, Liesbeth Bakker
<cwe at nioo.knaw.nl> <cwe at nioo.knaw.nl>

*Newsletter 13, 3 November 2016 (View this email in your browser


We gladly present you with a new Centre for Wetland Ecology (CWE)
newsletter full of information concerning Wetland Ecology.

This newsletter will come to you twice per year to inform you about CWE
symposia, STOWA
activities and to announce other events and news.

Bart Grutters (coordinator CWE)
Liesbeth Bakker (chair CWE)

cwe at nioo.knaw.nl

Please e-mail <cwe at nioo.knaw.nl> us so we can spread news about any upcoming
events, job offers, symposia, PhD defences or publications, either on our
website, twitter or the next newsletter (released April 2017).

Newsletter contents

   - Upcoming events in the Netherlands <#m_4248160785279580682_national>:
   NWO symposium on the Future of Biodiversity and a day on EU water quality
   projects organised by STOWA.
   - Upcoming CWE symposium <#m_4248160785279580682_cwe>: 9 December 2016
   in Groningen.
   - International conferences <#m_4248160785279580682_international>: SWS
   Europe, MMM4, SIL, INTECOL
   - News <#m_4248160785279580682_news>: MarkerWadden, SWS Europe and
   Ramsar sign MoU
   - Guest column: <#m_4248160785279580682_column>Jos Verhoeven on Lake
   - PhD graduations <#m_4248160785279580682_phd>: Julia Grosse, Jacqueline
   Augusiak, Luuk van Gerven, Jan Kuiper, Yingying Tang, Bart Grutters
   - Recent key publications <#m_4248160785279580682_publications>

Upcoming events in the Netherlands [back to top]

   - *EU projects on water quality: learning from other European countries
   Amersfoort, 10 November 2016. The EU subsidises a number of research
   projects that produce knowledge and tools with the aim to improve water
   quality. On this symposium the EU projects will be presented.
   - *NWO Biodiversity Works final symposium
   Zoo Amsterdam, 8 December 2016. Pitches and presentations on 'Healthy
   soil', 'Functional nature' and 'Future biodiversity' and a panel discussion
   on the future of biodiversity.
   - *Symposium “Wat te doen aan exotische waterplanten? Samen naar
   efficiënte en effectieve bestrijdingsmethoden”
   Netherlands Institute of Ecology (NIOO-KNAW), Wageningen, 14 december 2016 *
   Op woensdag 14 december organiseren Bureau Waardenburg en het Nederlands
   Instituut voor Ecologie een symposium over de rol van invasieve exotische
   waterplanten in watersystemen en de e
   ffectiviteit van bestrijding van invasieve exotische waterplanten.
   Het symposium vormt de start van een meerjarig landelijk onderzoek naar
   de bestrijding van invasieve exotische waterplanten en is gericht op het
   uitwisselen van ervaringen met (de bestrijding van) invasieve exotische
   waterplanten en het vormen van een Community of Practice. Opgave per e-mail
   bij Iris van Gogh (Bureau Waardenburg) i.van.gogh at buwa.nl voor 5
   december. Download hier het programma.

Upcoming CWE Symposium [back to top] <#m_4248160785279580682_contents>

*CWE Symposium 'From Wadden Sea to Marker Wadden: functioning and
restoration of large aquatic ecosystems**'*
9 December 2016 in Groningen. Attendance is free, but registration mandatory
The programme is available on the CWE website.

International conferences [back to top] <#m_4248160785279580682_contents>

   - Netherlands Annual Ecology Meeting, Lunteren (NL), 14 - 15 February
   - International Conference on Shallow Lakes, Mérida City (Mexico), 19 -
   24 February 2017.
   - ASLO 2017, Honolulu (United States), 26 February - 3 March 2017. More
   - SWS Europe Chapter, Faro (Portugal), 4 - 6 May 2017. More information
   - SEFS, Olomouc (Tsjechië), 2 - 7 July 2017. More information

News [back to top] <#m_4248160785279580682_contents>

   - *Research on Marker Wadden*
   - *Expedition Marker Wadden*
   Several members of the CWE used the opportunity to visit Marker Wadden
   on September 24. The creation of the Marker Wadden is an initiative of
   Natuurmonumenten and is one of the most challenging wetland creation
   projects going on in The Netherlands at the moment (see:

   *Research by several CWE partners*
   *Institute for Biodiversity and Ecosystem Dynamics (IBED)* from the
   University of Amsterdam (info: Dr. Harm van der Geest,
   H.G.vanderGeest at uva.nl)
   Several projects were started in the last years, aiming to provide
   quantitative insight in the drivers for productivity and food web structure
   in lake Markermeer, together with partners as RWS, water authorities,
   Deltares, Wageningen Environmental Research and Wageningen Marine
   Research.  A new PhD student will study the ecological effects of
   obstructed fish migration. A new and fully equipped research vessel for
   Markermeer research is expected to be launched before summer 2017.

   *Consortium consisting of Utrecht University, Deltares, Alterra
   Wageningen UR, TU Delft, TNO, IBED* (info:  http://www.markerscience.com/
   Two PhD students and a postdoc work at the Marker Wadden with a focus on
   regime shifts within the context of alteration of fine sediment into clay
   soil. The interplay of biological, chemical and physical interactions is
   studied and there is a focus on risks in a governance setting for this
   ecosystem design. The acquired scientific knowledge will be used to assess
   which ecosystem services will evolve and how such systems should be managed.

   *Consortium of Netherlands Institute of Ecology, University of Groningen
   and Radboud University* (info: Dr. Liesbeth Bakker, l.bakker at nioo.knaw.nl
   Two PhD students will study the development in ecosystem productivity
   and trophic interactions in this newly created wetland. A bottom-up and
   top-down approach will be used to study vegetation development and
   settlement of foundation species, food web assembly and how waterbirds and
   fish move between neighboring lakes and wetlands and thus import or export

   - *Society of Wetland Scientists and the Ramsar convention will sign an
   memorandum of understanding (MoU) in Faro*
   SWS and the Ramsar Convention will enhance their cooperation by signing
   a Memorandum of Understanding. This MoU will be signed by the leadership of
   both organizations during the SWS Europe meeting in Faro, 4-6 May 2017
   - *PhD defense Rob Fraaije*. On 31 Aug Rob Fraaije successfully defended
   his thesis, titled "*Plants living on the edge: colonization processes
   of aquatic and riparian vegetation along restored lowland streams*". His
   thesis and thesis abstract are available online here
   day preceding his defense, 30 Aug, the Ecology & Biodiversity group at
   Utrecht University organized a well-attended symposium on "Stream valley
   restoration: clearing the way for riparian vegetation". The program and
   all presentation slides can be found here

Guest column: Lake Ohrid and its very last wetland Jos Verhoeven
(Universiteit Utrecht)
[back to top] <#m_4248160785279580682_contents>

In the late 1970s I enjoyed a spring holiday in Ohrid, part of Yugoslavia
at the time. There was a weekly flight from Amsterdam bringing mostly Dutch
tourists to this beautiful old town bordering the large, very deep lake
with the same name. We stayed in a small, very pleasant hotel just south of
the town, bordering the lake. The atmosphere was that guests could bring
their own wine that would then be kept under your name and served with
meals. It was a lively bunch of Dutch tourists staying there, some of them
interested in nature, others in swimming and sunbathing, others in the
beautiful Macedonian churches and their medieval wall paintings.
Lake Ohrid, a European lake on the Macedonian-Albanian border (Photo Daniel

We did a little bit of everything. The town and the lake were so famous in
our country because the Dutch writer A. den Doolaard loved this area and
had pictured a number of his novels here, the most well-known example was
“De Bruiloft der Zeven Zigeuners”. It was very pleasant to be at the
lakeshore just outside the hotel and take in the spectacular scenery: the
lake with crystal-clear water, across on the other side the steep, black
mountains of Albania, a country that was a complete mystery at the time
where only a few lights were visible in the evenings. And then the town of
Ohrid to the right on the shore, with some beautiful churches in the
skyline. Great to go for a regular swim, to read the novel, which made you
curious to visit the various monasteries at different locations on the
lakeshore. We hitchhiked along the road to the south to the cloister Sveti
Naum and got a ride from a captain in the Yugoslav army. We had sort of a
conversation in German, where he talked about the tense situation with
Albania and Greece at the 3-country border very near Sveti Naum. He dropped
us there and warned us not to walk in a more southerly direction, where the
Albanian army would be in a status of alert. We enjoyed seeing the
monastery and its surroundings. We did read about the very special
characteristics of Lake Ohrid: it is the deepest lake of Europe and has had
a history of a million years without large disturbances, enabling a long,
continuous evolution. The high age and relatively isolated location have
resulted in the largest number of endemic species in a freshwater body in
Europe. Among them are several fish species, one of which was a salmonid
appearing several times on our plate in the hotel.

About a year ago, I was approached by a Spanish member of the Society of
Wetland Scientists (SWS) who had read an alarming article in “El Pais”
about a plan to destroy the very last wetland bordering Lake Ohrid. It
seemed appropriate that we would express our concern from the part of SWS.
I was brought into contact with the OhridSOS group, very active people who
are trying to stop major threats to Lake Ohrid and its immediate
environment. Members of that group have briefed me about the situation.
There are quite some long-term issues threatening the integrity of the lake
ecosystem but there was also an immediate threat: Studenchiste Wetland, the
last wetland on the shores of the lake, was planned to be drained and
turned into a mass tourism resort. There is also a plan for a large marina
just where the wetland borders the lake. I have discussed the issue with
the SWS leadership and we have come into action: earlier this year we have
written letters to express our major concern to the Mayor of Ohrid, the
Macedonian minister of the environment and several other authorities in the
region. At the same time we have encouraged members of the OhridSOS group
to write a scientific article about the current status of the Studenchiste
Wetland, which has materialized in a contribution to the journal Wetland
Science and Practice (Apostolova et al. 2016
We also invited two members of the group to attend the SWS Europe meeting
in Potsdam in May, where Dr. Apostolova presented a highlight about the
wetland and the lake. Although there were no answers to our letters to the
authorities, the attendance of the OhridSOS
members in Potsdam led to a news article in the major Macedonian national
There are further initiatives which might hopefully lead to a better status
of protection of the lake and the wetland. It is investigated whether Lake
Ohrid and Studenchiste can be nominated for a site of International
importance under the Ramsar convention. There is interest from the side of
Albania to strengthen the UNESCO World heritage status of the lake jointly
with Macedonia. Studenchiste is the last wetland remaining. Some features
of its structure and functioning are known but more work is needed. For the
far future, it is quite probable that there will be the potential to
restore part of the wetlands on the lakeshore and the lake’s catchment that
have already been lost. In order to be able to do that properly, it is of
utmost importance that Studenchiste remains in place as a model from where
scientific information can be gathered to restore other wetlands in a
proper way. It is my hope that OhridSOS will be successful in the end. Then
finally, if you are looking for a magnificent jewel for a wonderful
ecotouristic holiday, I can recommend Ohrid. I will definitely take another
look there soon.

Read more on the weblog: SOS Ohrid
Church of St. John Kaneo, Ohrid

PhD graduations [back to top] <#m_4248160785279580682_contents>

   - *Julia Grosse (NIOZ/UvA)*, Amsterdam, 4 October 2016 10:00,
   "Consequences of resource limitation on the stoichiometry of North Sea
   phytoplankton". More information
   - *Jacqueline Augusiak (WUR)*, Wageningen, 6 October 2016 11:00,
   "Improving communication and validation of ecological methods. A case study
   on the dispersal of aquatic macroinvertebrates", More information
   - *Luuk van Gerven* *(NIOO-KNAW/WUR)*, Wageningen, 16 November 2016
   13:30, "The ecology of ditches. A modelling perspective". More
   - *Jan Kuiper* * (NIOO-KNAW)*, Wageningen, 18 November 2016 13:30,
   "Making eco logic and models work - An itegrative approach to lake
   ecosystem modelling". More information
   - *Yingying Tang (RU)*, Nijmegen, 6 December 2016 14:30, "Nutrient
   polishing and carbon sequestration by macrophyte-dominated wetlands". More
   - *Bart Grutters (NIOO-KNAW)*, Utrecht, 5 April 2017 12:45. More

Recent key publications [back to top] <#m_4248160785279580682_contents>

   - Angelini et al. 2016. A keystone mutualism underpins resilience of a
   coastal ecosystem to drought. Nature Communications doi:10.1038/
   - Bakker et al. 2016. Herbivory on freshwater and marine macrophytes: A
   review and perspective. Aquatic Botany doi.org/10.1016/j.
   - Bennetsen et al. 2016. Species distribution models grounded in
   ecological theory for decision support in river management. *Ecological*
   *modelling* doi:10.1016/j.ecolmodel.2015.12.016
   - Cai et al. 2016. Conventional methanotrophs are responsible for
   atmospheric methane oxidation in paddy soils. Nature Communications
   - Govers et al. 2016. Marine *Phytophthora* species can hamper
   conservation and restoration of vegetated coastal ecosystems. Phil Trans R
   Soc B doi:10.1098/rspb.2016.0812
   - Howison et al. 2016. Facultative grazing and bioturbation by
   macrodetritivores alter saltmarsh plant–plant interactions under stress.
   Journal of Ecology doi:10.1111/1365-2745.12581
   - Kleyheeg et al. 2016. Seed dispersal potential by wild mallard duck as
   estimated from digestive tract analysis. Freshwater Biology
   - Kosten et al. 2016. Fate of methane in aquatic systems dominated by
   free-floating plants. Water Research doi.org/10.1016/j.watres.2016.07.054
   - Lewandoska et al. 2016. The influence of balanced and imbalanced
   resource supply on biodiversity–functioning relationship across ecosystems.
   Phil Trans R Soc B doi:10.1098/rstb.2015.0283
   - Sandrini et al. 2016. Rapid adaptation of harmful cyanobacteria to
   rising CO2 bacter. PNAS doi:10.1073/pnas.1602435113
   - Scheffer 2016. Anticipating societal collapse; Hints from the Stone
   Age. *PNAS *doi:10.1073/pnas.1612728113
   - Soons et al. 2016. Directed dispersal by an abiotic vector: Wetland
   plants disperse their seeds selectively to suitable sites along the
   hydrological gradient via water. Functional Ecology
   doi: 10.1111/1365-2435.12771
   - Tang et al. 2016. A tool for easily predicting short-term phosphorus
   mobilization from flooded soils. Ecological Engineering dx.doi.org/10.
   - Urban et al. 2016. Improving the forecast for biodiversity under
   climate change. Science doi: 10.1126/science.aad8466
   - Van der Zee et a. 2016. How habitat-modifying organisms structure the
   food web of two coastal ecosystems. Phil Trans R Soc B
   - Wubs et al. 2016. Going against the flow: a case for upstream
   dispersal and detection of other uncommon dispersal events. Freshwater
   Biology doi:10.1111/fwb.12736

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*Tim Adriaens*

Onderzoeker –*Scientist*

Instituut voor Natuur- en Bosonderzoek - *Research Institute for Nature and
Forest*  (INBO)

Kliniekstraat 25, B-1070 Brussel

tel +32 2 525 02 04 | gsm +32 496 62 61 78

tim.adriaens at inbo.be
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