Table:
text: List of dams and reservoirs in Asturias
List of dams and reservoirs in Asturias
List of dams and reservoirs in Asturias
Reservoir Basin Location_ Type_ Height_m Length_along_the_top_m Drainage_basin_km² Reservoir_surface_ha Volume_hm³
Priañes Nora Oviedo , Las Regueras Gravity 27.0 50.0 340.0 35.17 1.9
Saliencia Saliencia Somiedo Gravity 20.0 33.0 48.0 0.30 0.02
Salime Navia Grandas de Salime Gravity 125.67 250.0 1806.0 685.0 266.30
San Andrés Tacones Aboño S.A. Tacones ( Gijón ) Embankment 22.0 434.0 37.5 4.0 71.0
Somiedo Somiedo Somiedo Gravity 24.0 18.0 82.0 0.29 0.018
Tanes Nalón Caso , Sobrescobio Gravity 95.0 195.0 271.0 159.0 33.27
Trasona Alvares Trasona ( Corvera ) Gravity 16.0 332.0 37.0 61.0 4.1
Valdemurio Trubia Quirós Gravity 40.15 119.0 196.0 1.43 1.43
Valduno II Nalón Las Regueras Gravity 9.9 105.0 2500.0 34.36 0.3
Valle Valle Somiedo Gravity 12.5 52.8 39.0 23.7 3.7

text: List of dams and reservoirs in Asturias
List of dams and reservoirs in Asturias
List of dams and reservoirs in Asturias
Reservoir Basin Location_ Type_ Height_m Length_along_the_top_m Drainage_basin_km² Reservoir_surface_ha Volume_hm³
Alfilorios Barrea Ribera de Arriba Embankment 67.0 171.7 4.09 52.0 9.140
Arbón Navia Coaña , Villayón Embankment 35.0 180.0 2443.0 270.0 38.20
Barca, La Narcea Belmonte , Tineo Arch 73.5 178.0 1216.0 194.0 31.10
Doiras Navia Boal Arch-gravity 90.0 165.0 2288.0 347.0 114.60
Florida, La Narcea Tineo Gravity 19.0 70.0 1005.0 18.40 0.75
Furacón, El Nalón Trubia ( Oviedo ) Gravity 14.0 70.0 2180.0 19.0 0.522
Granda, La Granda Gozón Embankment 23.7 270.0 1.25 32.50 3.208
Jocica, La Dobra Amieva Arch 87.0 66.0 39.0 6.14 0.4
Mortera, La Mortera Morcín Gravity 8.0 91.0 0.0 0.0 0.017

Question: What is the catchment area if the type is gravity and the reservoir surface is 34.36 under the list of dams and reservoirs in Asturias.