Restoration of lentic habitats and aquatic species of ...

Restoration of lentic habitats and aquatic species of Community interest in high mountains of the Pyrenees

Marc Ventura, Teresa Buchaca, Alexandre Miró, Ibor Sabás, Esperança Gacia, Maria Angels Puig, Federica Lucati, Victor Osorio, Enric Ballesteros, Quim Pou-Rovira, Eloi Cruset, Aaron Pérez-Aase, Empar Carrillo and Josep Maria Ninot,

Mercè Aniz, Jesús Tartera and Marc Garriga

[email protected] for Advanced Studies of Blanes (CEAB-CSIC)

mailto:[email protected]

Global changeBiodiversity loss

Global changeBiodiversity value

PyreneesNatural heritage – Lakes

Pyrenean aquatic environments are located at remote sites….

But are really pristine natural ecosystems?

Pyrenees

Pyrenees

Direct impact

Hydroelectric exploitation

Introduction of allochtonous species

PyreneesHydroelectric exploitation

Estanys fortament modificats

Mida (ha)

0.5 - 1 1 - 2 2 - 3 3 - 4 4 - 5 5 - 10 10 - 40 > 40

% to

tal d

'est

anys

0

20

40

60

80

100 Heavily modified water bodies

Size (ha)

% to

tal #

lake

s

Florida Turtle, http://deanimalia.com Area of Origin, https://www.zoobarcelona.cat

PyreneesInvasive species

http://deanimalia.com/

https://www.zoobarcelona.cat/

PyreneesInvasive species

European minnow

Font: Wikipedia

Brown trout

Font: Wikipedia

Rainbow trout

Brook trout

Invasive species - fishHydrographic obstacles

Invasive species - fishPresent distribution

Year

# la

kes

Brown troutRainbow troutBrook troutEuropean minnow

Invasive species - fishIntroduction process

Estanhs de Saborèdo (Val d’Aran)

Sentència arbitral sobre les costes de Ruda i Saboredo entre els

pobles d'Esterri, València, Son i Sorpe d'una part i Salardú i

Tredòs de l'altra, 01-IX-1581, (Bringué, 1995): «...Item sentensiam,

arbitram y declaram queen los stanys puguen

pescar los uns pobles y altres sens periudici de ninguna de les pars..."

Invasive species - fishIntroduction process Trade 1845 - 1950


Rosendo VilaCasa Simona, Boí

Estany Dellui, 1955L’estanyola de Dellui (Vall de Boí)17th August 1957


Piscifactoria de Cabdella (Vall Fosca)1955-1970


Evolució de la presència de peixos durant el s. XX a Catalunya + Aragó

27% 29%33%

38%42%

51% 53%

27% 27% 27% 27%

73% 71%67%

62%58%

49% 47%

73% 73% 73% 73%

0

100

200

300

400

500

1900 1910 1920 1930 1940 1950 1960 1970 1980 1990 2000

# E

sta

nys

Estanys amb peixos Estanys sense peixos

Fish occurrence at Catalonia and Aragon (Spanish Pyrenees)

Lakes with fish Fishless lakes

# La

kes

Invasive species - fishEnvironmental cost?

Invasive species - fish

Restoration of lentic habitats and aquatic species of Community interest in high

mountains of the Pyrenees LIFE13 NAT/ES/001210

Associated beneficiaries

- CEAB (CSIC)

Coordinator

-Sorelló-Universitat de Barcelona-Conselh Generau d’Aran

-Generalitat de Catalunya (DAAM)-Parc Nacional Aigüestortes i Estany de Sant Maurici-Parc de l’Alt Pirineu

-Servei Biodiversitat-Forestal Catalana

Cofinancier

-Diputació de Lleida

Project budget2.7M €

Partners

Sites targeted by the projectLIFE+ LimnoPirineus:

► SCI Aigüestortes ES0000022

► SCI Alt Pallars ES5130003

► SCI Estanho de Vielha ES5130006

Sites of Community Interest

Lakes

Recovery of lakes to their natural fishless state

Parc Nacional d’Aigüestortes i Estany de Sant Maurici (àrea estricta)

Project actions

Subenuix Monestero

DelluiCabana

Cap del port

Dellui del migBassa N Dellui

LakesThreats– Fish introductions

Closell Naorte Rovinets

Parc Natural de l’Alt Pirineu

Recovery of lakes to their natural fishless state

Conservation in actionProject actions

5. Monitoring of targeted species and habitats with specific methodologies and standardized protocols.

LimnoPirineusFish removal actions

Acciones de conservación

Estany Closell Estany Closell

20152013

0

20

40

60

80

100

120

140

160

06/05/2013 22/11/2013 10/06/2014 27/12/2014 15/07/2015 31/01/2016

Clo

rofi

la-a

(u

g L-

1)

0

5

10

15

20

25

06/05/2013 22/11/2013 10/06/2014 27/12/2014 15/07/2015 31/01/2016

Cru

stác

eos

(In

d L

-1)

LimnoPirineusLake recovery?

Acciones de conservación

Estany Closell

2015

0

20

40

60

80

100

120

140

160

06/05/2013 22/11/2013 10/06/2014 27/12/2014 15/07/2015 31/01/2016

Clo

rop

hyl

l-a

(ug

L-1

)

0

5

10

15

20

25

06/05/2013 22/11/2013 10/06/2014 27/12/2014 15/07/2015 31/01/2016

Dap

hn

ia(I

nd

L-1

)

Conservation in actionLake recovery?


Ric

hn

ess

Ric

hn

ess


Fish eradication actionsLIFE+ LimnoPirineus

C. asper

Estany Closell

Sant Maurici, Aigüestortes

Tavascan


► Information board

Estany Closell


► Travelling Exhibition


► Environmental education

Restoration of lentic habitats and aquatic species of ...

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