lake intercalibration: status of ongoing work 2008-2012 sandra poikane joint research centre...
TRANSCRIPT
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Lake Intercalibration:
status of ongoing work
2008-2012
Sandra Poikane
Joint Research CentreInstitute for Environment and Sustainability
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Outline
What is new ?–Overall structure–Benthic fauna–Fish–Phytoplankton and macrophytes
Summary
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Lake IC - what's new ?
BQE groups established Started work Benthic invertebrates
and Fish fauna Started East Cont GIG
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GIG / BQE groupsALP CB MED NOR EAST NOR
Phytoplankton
Macrophytes
Benthic invertebrates
Fish fauna
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GIG / BQE groups
ALP CB MED NOR EAST NOR
G.Wolfram AT
K.Pall AT
A. Solimini JRC, IT
G.Phillips UK
J.Ortiz-Casas
ES
n.a. for reservoirs
To be decided 30 Sept – 1 Oct meeting
R.Portielje NL
J. Boehmer DE
A. Lyche Solheim
NO
S. Hellsten FI
L. Sandin SE
G. Borics HU
?
B. Csanyi HU
G.Wolfram ATALP GIG
?
CB GIGM. van den Berg (NL)
MED GIGJ. Ortiz-Casas
ES
N GIGA. Pilke
FI
EC GIGO. Mihail
RO
PHYTOA. Lyche
Solheim NO
MACROPHYTESG.Phillips
UK
BENTHIC J. Boehmer
DE
FISHN Jepsen JRC
C. Argillier FR
n.a. for reservoirs
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Work can be divided in 2 flows:
New work – benthic fauna and fish fauna (most active work)
Old results – phytoplankton and macrophytes (currently relax)
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Benthic fauna - 4 groups
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Benthic invertebrates 4 groups
Leader Juergen Boehmer (DE)
N GIG – L. Sandin (SE) ALP GIG – A. Solimni (JRC, IT) CB GIG – J. Boehmer (DE)
EC GIG – B. Csanyi (HU) ?
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ALP GIG – benthic fauna 5 MS – AT, IT, FR, SI, DE All (except AT) have assessment
methods, good data availability Agreement on:
– Criteria for compliance of national systems – Definition of refcond– Lake types and pressures
• General degradation+littoral• Eutrophication + profundal
– Minimum data requirement and data quality criteria
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ALP GIG
Data collection – Oct-Nov 2008 Pilot exercise 2009
– define the general approach to IC , – typology/pressure analysis, – common metrics test
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N GIG – Benthic fauna
Acidification Lot of progress (pre-IC with SE and
UK data) significant delays due to data
availability /quality, late delivery of MS methods– SE, UK (only clear water lakes), – NO – developing– IE, FI – no methods
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N GIG - Benthic fauna Plan: Finalisation of national methdos Further development of common
metrics Include more biological data Results 2010
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N GIG Eutrophication
Work just started info on data and methods Only 2 methods Different habitats The first ideas developed
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N GIG Eutrophication
FI SE IE UK NO
ProfundalMethod BQI
Method BQI
No method, data
Littoral
Method ASPT
No method, data
No method, data
Data from 2009
CPET (whole lake)data method
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N GIG Eutrophication
The next steps Finalize typology Reference criteria Collect the data Identify the common metrics Results 2011
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CB GIG – Benthic fauna
Work has started Not all MS have methods, most have
data Focus on different habitats/pressures
– eulittoral/general degradation (eutrophication+hydromorphology): Be/Fl, DE, EE, NL
– deeper zones / eutrophication: FR– CPET (whole lake) / eutrophication: UK– undecided and no method so far: DK, LT, LV,
PL
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CB GIG - Benthic fauna Agreements on Eulittoral zone and “general
degradation” Option 2 or 2/3 other zones and pressures possibly later
Working on: criteria to be used to define reference
conditions criteria to be used to define pressures
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CB GIG - Benthic fauna
Collection of data 2009 A set of common intercalibration
metrics based on normative definitions, correlations with stressors and most commonly used metrics
Intercalibration exercise 2010/2011
Report 2011
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Work has started in 3 GIGs– Overview of methods/data– Principal decisions– Data collection started
No work in Eastern Continental GIG (so far)
No work in Mediterranean GIG (common position of LM GIG on benthic fauna - not applicable for reservoirs)
Benthic fauna - overview
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Benthic fauna - overview
Benthic fauna leaders meeting planned 5-6 November, Amsterdam
to discuss the progress and comparability between the GIGs
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Fish fauna ?
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Fish fauna Start of work and data collection /typology
it was decided to establish a database with information of the lakes where fish data available
At now huge dataset (Cemagref, France)– Climatic, hydromorphological and physico-chemical data – from 2478 lakes in total – 1742 of these fulfilled the requirements and have been
analyzed
resulted in a division into 3 types of natural lakes and two types of reservoirs
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Fish fauna
Fish IC Meeting 30 Sep -1 Oct Overview
– AT, FI, SE, DE, NL - methods– Most – started monitoring– Some – still fish not in
Discussion - how to continue work– GIGs– Develop common European fish
metric
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PHYTOPLANKTON IC
Phytoplankton IC results just published
Cross-GIG groups established with the aim to facilitate cooperation
Phytoplankton group started the work with discussion papers (IC on full BQE level, combination rules, bloom metrics etc)
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Phytoplankton - common issues
Full BQE intercalibration (chlorophyll-a + composition)
Not all MS and GIG have developed/IC composition metrics
Bloom metrics ?
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MACROPHYTES
IC results just published, so at this moment no active work going on;
Cross-GIG groups established with the aim to facilitate cooperation
work with discussion papers (phytobenthos, hm pressure)
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TYPOLOGY:
Mediterranean GIG is working to find out natural lake types– ES: most of them very small and shallow – PT: no natural lakes – FR: very few natural lakes – IT: some small Sicilian lakes – GR: about 14 natural lakes – CY: 5 natural lakes.– RO: in EC GIG
Eastern Continental GIG has drafted lake typology
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The main difficulties
Lack of capacity and resources in several cases
Need for new Guidance – Summarize our experience– Way forward
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Expert work Commitment - depend on higher
administration level ~ 3 groups of countries
– Active work (NL, DE, SE, ES, AT, UK)– Participating (in some case only appearing in
meetings)– Not showing up at all
Makes work slow and ineffective !
CZ - official statement – no lakes, no IC, but reservoirs, experts willing to work
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Main message Fish and benthos – work has started Phyto and macrophytes – waiting for
guideleines, new data, WISER EC GIG – only typology so far New guidance needed Problem – assessment methods and
involvement of the MS How to solve it ?
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Thank you !