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

Transcripción

1 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 Center for Advanced Studies of Blanes (CEAB-CSIC)

2 Global change Biodiversity loss

3 Global change Biodiversity value

4 Pyrenees Natural heritage Lakes

5 Pyrenees Pyrenean aquatic environments are located at remote sites. But are really pristine natural ecosystems?

6 Pyrenees Direct impact Hydroelectric exploitation Introduction of allochtonous species

7 Pyrenees % total # lakes Hydroelectric exploitation 100 Estanys Heavily fortament modified modificats water bodies 80 % total d'estanys > 40 Mida Size (ha)

8 Pyrenees Invasive species Florida Turtle, Area of Origin,

9 Pyrenees Invasive species Rainbow trout Brown trout Font: Wikipedia Brook trout Font: Wikipedia European minnow

10 Invasive species - fish Hydrographic obstacles

11 # lakes Invasive species - fish Present distribution Brown trout Rainbow trout Brook trout European minnow Year

12 Invasive species - fish Introduction 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 que en los stanys puguen pescar los uns pobles y altres sens periudici de ninguna de les pars..."

13 Invasive species - fish Introduction process Trade

14 Invasive species - fish Introduction process Rosendo Vila Casa Simona, Boí L estanyola de Dellui (Vall de Boí) 17 th August 1957 Estany Dellui, 1955

15 Invasive species - fish Introduction process Piscifactoria de Cabdella (Vall Fosca)

16 # Lakes Invasive species - fish Introduction process Evolució Fish de occurrence la presència at Catalonia de peixos and durant Aragon el s. (Spanish XX a Catalunya Pyrenees) + Aragó 500 # Estanys % 73% 73% 73% 73% 71% 67% 27% 29% 33% 27% 27% 27% 27% 62% 58% 38% 42% 51% 53% 49% 47% Estanys Lakes with amb fish peixos Estanys Fishless sense lakes peixos

17 Invasive species - fish Environmental cost?

18 Invasive species - fish

19 Restoration of lentic habitats and aquatic species of Community interest in high mountains of the Pyrenees LIFE13 NAT/ES/001210

20 Partners Coordinator - CEAB (CSIC) Associated beneficiaries Project budget 2.7M -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

21 Sites of Community Interest Sites targeted by the project LIFE+ LimnoPirineus: SCI Aigüestortes ES SCI Alt Pallars ES SCI Estanho de Vielha ES

22 Lakes Project actions Recovery of lakes to their natural fishless state Parc Nacional d Aigüestortes i Estany de Sant Maurici (àrea estricta) Subenuix Monestero Cabana Dellui Cap del port Dellui del mig Bassa N Dellui

23 Lakes Threats Fish introductions Recovery of lakes to their natural fishless state Parc Natural de l Alt Pirineu Closell Naorte Rovinets

24 Conservation in action Project actions 5. Monitoring of targeted species and habitats with specific methodologies and standardized protocols.

25 LimnoPirineus Fish removal actions

26 Clorofila-a (ug L-1) Crustáceos (Ind L-1) LimnoPirineus Lake recovery? Acciones de conservación Estany Closell Estany Closell /05/ /11/ /06/ /12/ /07/ /01/ /05/ /11/ /06/ /12/ /07/ /01/2016

27 Clorophyll-a (ug L-1) Daphnia (Ind L-1) Conservation in action Lake recovery? Acciones de conservación 2015 Estany Closell /05/ /11/ /06/ /12/ /07/ /01/ /05/ /11/ /06/ /12/ /07/ /01/201

28 LimnoPirineus Lake recovery?

29 LimnoPirineus Lake recovery?

30 Richness Richness LimnoPirineus Lake recovery?

31 LimnoPirineus Lake recovery? C. asper Fish eradication actions LIFE+ LimnoPirineus

32 Conservation in action Project actions Sant Maurici, Aigüestortes Tavascan Information board Estany Closell

33 Conservation in action Project actions Travelling Exhibition Estany Closell

34 Conservation in action Project actions Environmental education