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L’ANGUILLA EUROPEA NEL BACINO IDROGRAFICO MARTA-BOLSENA VALUTAZIONI PRELIMINARI DI COLONIZZAZIONE ED EMIGRAZIONE AI FINI DELLA GESTIONE PER LA SALVAGUARDIA DELLA BIODIVERSITÁ.
by
Leone, C
,
Capoccioni, F
,
Bevacqua, D
,
CICCOTTI, ELEONORA
Published 2010
Subjects:
“
... AT THE CATCHMENT SCALE AND FOR THE EVALUATION OF THE
BIOMASS
OF ESCAPING MATURE EELS WAS SET UP. THE REFERENCE...
”
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1
Author
Bevacqua, D
1
CICCOTTI, ELEONORA
1
Capoccioni, F
1
Leone, C
1
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Topic
A DETAILED DEMOGRAPHIC MODEL WAS DEVELOPED TO ALLOW US TO REALISTICALLY SIMULATE THE FISHERY YIELDS AND SILVER EEL PRODUCTION UNDER DIFFERENT RECRUITMENT AND MANAGEMENT SCENARIOS (SCENARIO A
1
B
1
BUT FRAGMENTIZED BY SEVERAL DAMS AND AN IMPORTANT FISHERY SITE. TWO SAMPLING CAMPAIGNS HAVE BEEN CARRIED OUT
1
C???). THE SIMULATIONS YIELDED BY THE MODEL GIVE INTERESTING RESULTS CONCERNING POTENTIAL ESCAPEMENT FROM THE LAKE (ESTIMATED IN 36,7 T OF SILVER EEL BIOMASS). IN CONTRAST THE ACTUAL LEVEL IS ESTIMATED IN 23,7 T
1
FOR WHICH A URGENT CONSERVATION ISSUE EXISTS SINCE ITS ENTIRE POPULATION HAS BEEN DECLINING AT LEAST SINCE THE 1980S. IN THIS WORK A METHODOLOGICAL FRAMEWORK FOR THE MANAGEMENT OF EEL LOCAL STOCKS AT THE CATCHMENT SCALE AND FOR THE EVALUATION OF THE BIOMASS OF ESCAPING MATURE EELS WAS SET UP. THE REFERENCE SYSTEM IS THE BOLSENA LAKE WITH ITS EMISSARY
1
IF THE EFFECTIVE ESCAPEMENT FROM THE LAKE AND THE DOWNSTREAM MIGRATION WERE ENSURED
1
L. 1758) IS A PANMICITIC SPECIES
1
MORE THAN 60 % OF THE PRISTINE LEVEL. THEREFORE
1
ONE TO ASSESS EFFECTIVENESS OF RESTORATION INTERVENTIONS FOR EEL COLONIZATION AND ESCAPEMENT IN THE RIVER MARTA AND THE SECOND TO CHARACTERIZE THE DEMOGRAPHIC AND GROWTH FEATURES OF THE LOCAL POPULATION IN THE BOLSENA LAKE. ACCORDINGLY
1
Settore BIO/07 - ECOLOGIA
1
THAT IS A NATURAL GROWING HABITAT FOR EEL
1
THE EUROPEAN EEL (ANGUILLA ANGUILLA
1
THE RIVER MARTA
1
THE TARGET OF 40 % OF THE PRISTINE ESCAPEMENT FROM INDICATED BY THE CE REGULATION 1100/2007 WOULD BE ATTAINED
1
WITH IMPORTANT SCIENTIFIC AND ECONOMIC VALUES
1
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Content Provider
Universitá degli Studi di Roma "Tor Vergata": ART - Archivio Istituzionale della Ricerca
1
Language
Italian
Open Polar Keyword
Anguilla anguilla
1
European eel
1
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