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Lake Ohrid - Examen
Contribuido por: Alvarado
  • 1. Which two countries share Lake Ohrid?
A) North Macedonia and Bulgaria
B) Greece and North Macedonia
C) North Macedonia and Albania
D) Albania and Greece
  • 2. In which year was North Macedonia's side of Lake Ohrid declared a World Heritage Site by UNESCO?
A) 2014
B) 1980
C) 2010
D) 1979
  • 3. How many endemic species are found in Lake Ohrid's aquatic ecosystem?
A) 300
B) 100
C) 50
D) More than 200
  • 4. What is the maximum depth of Lake Ohrid?
A) 350 metres (1,148 ft)
B) 150 metres (492 ft)
C) 288 metres (945 ft)
D) 200 metres (656 ft)
  • 5. Which country's portion of Lake Ohrid was designated as a Ramsar site in 2021?
A) North Macedonia
B) Greece
C) Bulgaria
D) Albania
  • 6. What is the total area covered by Lake Ohrid?
A) 300 square kilometres
B) 400 square kilometres
C) 358 square kilometres (138 sq mi)
D) 500 square kilometres
  • 7. Which town is not located on the lakeside of Lake Ohrid?
A) Pogradec
B) Kosel
C) Struga
D) Ohrid
  • 8. What is the length of Lake Ohrid?
A) 50 km (31.1 mi)
B) 20 km (12.4 mi)
C) 30.4 km (18.9 mi)
D) 40 km (24.9 mi)
  • 9. What percentage of Lake Ohrid's shoreline is within North Macedonia?
A) 64%
B) 70%
C) 36%
D) 50%
  • 10. When did Albania's side of Lake Ohrid receive UNESCO world heritage status?
A) 2021
B) 2010
C) 2019
D) 2014
  • 11. Which of the following lakes is not mentioned as having a similarly ancient origin to Lake Ohrid?
A) Lake Baikal
B) Lake Titicaca
C) Lake Tanganyika
D) Lake Geneva
  • 12. What is the main reason Lake Ohrid is preserved despite sediment infill?
A) Its great depth, tectonic subsidence, and minimal sediment inflows
B) High water levels
C) Frequent dredging
D) Artificial barriers
  • 13. What was the magnitude of the strongest earthquake measured near Lake Ohrid?
A) 6.6
B) 7.2
C) 6.0
D) 5.5
  • 14. Which national park in North Macedonia includes a portion of the lakeside of Lake Ohrid?
A) Pelister National Park
B) Mavrovo National Park
C) Galičica National Park
D) Skopje National Park
  • 15. What is the mean depth of Lake Ohrid?
A) 200 m (656 ft)
B) 155 m (509 ft)
C) 100 m (328 ft)
D) 250 m (820 ft)
  • 16. Which of the following is not a town situated at the lakeside of Lake Ohrid?
A) Ohrid
B) Pogradec
C) Struga
D) Bitola
  • 17. What is the estimated volume of water contained in Lake Ohrid?
A) 40 cubic kilometres
B) 70 cubic kilometres
C) 30 cubic kilometres
D) 55.49 cubic kilometres (45 million acre-feet)
  • 18. Which of the following is not a feature of the seismogenic landscape around Lake Ohrid?
A) Stepped hillsides
B) Fresh fault scarps
C) Volcanic eruptions
D) Displaced sediment and soil sequences
  • 19. What is the width of Lake Ohrid at its maximum extent?
A) 20 km (12.4 mi)
B) 25 km (15.5 mi)
C) 10 km (6.2 mi)
D) 14.8 km (9.2 mi)
  • 20. Which lake was named after Lake Ohrid by NASA?
A) One of Titan's lakes
B) Lake Baikal
C) Lake Tanganyika
D) Lake Titicaca
  • 21. What type of status does the coastal portion of Lake Ohrid hold in Albania?
A) National Park
B) World Heritage Site
C) Protected Ramsar site
D) Managed Nature Reserve
  • 22. What is the total shoreline length of Lake Ohrid?
A) 120 km (74.6 mi)
B) 100 km (62.1 mi)
C) 70 km (43.5 mi)
D) 87.53 km (54.39 mi)
  • 23. What percentage of Lake Ohrid's surface area falls within Albania?
A) 31%
B) 50%
C) 20%
D) 40%
  • 24. Which year did the Ohrid-Prespa Transboundary Reserve get added to UNESCO's World Network of Biosphere Reserves?
A) 2019
B) 2014
C) 2010
D) 2021
  • 25. What is the primary source of inflow to Lake Ohrid?
A) Rivers
B) Underground springs on the eastern shore
C) Lake Prespa
D) Direct precipitation
  • 26. What percentage of Lake Ohrid's inflow comes from underground springs?
A) 50%
B) 40%
C) 20%
D) 25%
  • 27. Which direction does the Black Drin River flow from Lake Ohrid?
A) Westerly
B) Southerly
C) Northerly
D) Easterly
  • 28. Into which sea does the Black Drin River eventually flow?
A) Ionian Sea
B) Black Sea
C) Mediterranean Sea
D) Adriatic Sea
  • 29. What percentage of Lake Ohrid's water leaves by evaporation?
A) 40%
B) 25%
C) 20%
D) 50%
  • 30. What is the catchment/lake surface ratio of Lake Ohrid?
A) ~10
B) ~3
C) ~5
D) ~7
  • 31. What is the hydraulic residence time scale of Lake Ohrid?
A) ~30 years
B) ~100 years
C) ~50 years
D) ~70 years
  • 32. What type of climate does Lake Ohrid experience?
A) Wet, Subtropical
B) Relatively dry, Mediterranean
C) Humid, Tropical
D) Cold, Continental
  • 33. What percentage of Lake Ohrid's inflow comes from direct precipitation?
A) 20%
B) 50%
C) 25%
D) 40%
  • 34. How do watercourses from Lake Prespa reach Lake Ohrid?
A) Via a series of lakes
B) Through underground watercourses in the karstic landscape
C) Through a man-made canal
D) Directly over the surface
  • 35. What is the main geographical feature that influences the water inflow from Lake Prespa?
A) River delta
B) Mountain range
C) Coastal plain
D) Karstic landscape
  • 36. What is the dominant process for vertical water exchange in Lake Ohrid during winter?
A) Annual deep water exchange
B) Convective mixing during winter cooling
C) Earth rotation
D) Wind forcing
  • 37. Which wetland was drained for agriculture in the 1940s and 1960s?
A) Lake Ohrid
B) Struga Marsh
C) River Sateska
D) Studenchishte Marsh
  • 38. What is the size of the area recommended to be protected as a Natural Monument at Studenchishte Marsh?
A) 75 hectares
B) 63.97 hectares
C) 100 hectares
D) 50 hectares
  • 39. What year was Ramsar status formalized for Studenchishte Marsh?
A) 2020
B) 2021
C) 2018
D) 2012
  • 40. What is the potential impact of constructing the European Corridor VIII railway on Struga Marsh?
A) Increased potential to restore Struga Marsh
B) Complete restoration of Struga Marsh
C) No impact on Struga Marsh
D) Reduced potential to restore Struga Marsh
  • 41. What is the status of Studenchishte Marsh protection at the national level as of the latest update?
A) Under consideration
B) Not yet completed
C) Rejected
D) Fully completed
  • 42. What did the Strategic Environmental Assessment conclude about the proposed construction at Studenchishte Marsh?
A) Construction would have no impact
B) No measure except non-implementation could reduce the negative impact
C) Construction would have a positive impact
D) Construction would slightly impact the area
  • 43. How many endemic species of phytoplankton and sessile algae are found in Lake Ohrid?
A) 20 species
B) 5 species
C) 10 species
D) 15 species
  • 44. Which plant species is endemic to Lake Ohrid?
A) Elodea canadensis
B) Chara ohridana
C) Nymphaea alba
D) Potamogeton natans
  • 45. How many endemic zooplankton species are recorded in Lake Ohrid?
A) 5 species
B) 3 species
C) 10 species
D) 7 species
  • 46. What is the name of an endemic cyprinid fish found in Lake Ohrid?
A) Rutilus rutilus
B) Leuciscus idus
C) Cyprinus carpio
D) Pachychilon pictum
  • 47. Which trout species is part of the Ohrid trout complex?
A) Salmo letnica
B) Salvelinus alpinus
C) Salmo salar
D) Salmo trutta
  • 48. How many endemic bottom fauna species are found in Lake Ohrid?
A) 250 species
B) 300 species
C) 100 species
D) 176 species
  • 49. What percentage of the total freshwater gastropod fauna in Lake Ohrid is endemic?
A) 50%
B) 73.5%
C) 80%
D) 60%
  • 50. Which bird species is considered rare and threatened in Lake Ohrid?
A) Dalmatian pelican
B) Mallard
C) Mallard
D) Canada goose
  • 51. What designation has BirdLife International given to the Macedonian part of Lake Ohrid?
A) Biosphere Reserve
B) World Heritage Site
C) National Park
D) Important Bird Area (IBA)
  • 52. Which bird species is supported by the Albanian part of Lake Ohrid?
A) Snowy owl
B) Peregrine falcon
C) Bald eagle
D) Common goldeneyes
  • 53. Under which convention is the wetland of Lake Ohrid recognized for its international importance?
A) Ramsar Convention
B) Montreal Protocol
C) CITES
D) Kyoto Protocol
  • 54. Which bird species is biogeographically significant in Lake Ohrid's wetlands?
A) Great horned owl
B) Barn owl
C) Barred owl
D) Red-crested pochard
  • 55. How many cities are located on the shores of Lake Ohrid?
A) Four
B) Five
C) Two
D) Three
  • 56. Which city is not on the Macedonian side of Lake Ohrid?
A) Pogradec
B) Struga
C) Ohrid
D) Skopje
  • 57. What is the population of the catchment area around Lake Ohrid?
A) Around 100,000 people
B) Around 200,000 people
C) Around 150,000 people
D) Around 170,000 people
  • 58. How many people live directly at the lake shore?
A) 120,000 people
B) 150,000 people
C) 131,000 people
D) 140,000 people
  • 59. What is the approximate number of people living at the lake shore in Albania?
A) 43,000
B) 30,000
C) 50,000
D) 60,000
  • 60. How much has the population in the catchment area increased in the last half century?
A) By 100,000 people
B) By 150,000 people
C) By 50,000 people
D) By 200,000 people
  • 61. What is a significant part of the income for fishing villages around Lake Ohrid?
A) Tourism
B) Agriculture
C) Mining
D) Fishing
  • 62. Which ancient road was close to Lake Ohrid?
A) Royal Road
B) Via Egnatia
C) Appian Way
D) Silk Road
  • 63. What is the current status of Lake Ohrid in terms of communication infrastructure?
A) A bustling trade center
B) A major transportation hub
C) A modern highway junction
D) A communications backwater
  • 64. Which religious monument is located southwest of Struga?
A) The Cathedral of St. Mark
B) St. Peter's Basilica
C) The Church of St. Nicholas
D) The Black Madonna
  • 65. What historical event is associated with the fortifications across Galicica Mountain?
A) The Napoleonic Wars
B) The Macedonian Front
C) The Crusades
D) The Battle of Waterloo
  • 66. Under which criterion was Lake Ohrid designated as a World Heritage Site?
A) Criterion X
B) Criterion III
C) Criterion VII
D) Criterion IX
  • 67. When did the city of Ohrid become part of a mixed Natural and Cultural World Heritage Site?
A) 1980
B) 2019
C) 1979
D) 2017
  • 68. How many recommendations were devised by the 2017 mission report for Macedonia?
A) 10
B) 30
C) 19
D) 25
  • 69. Where was the 41st Session of the World Heritage Committee held in 2017?
A) Baku, Azerbaijan
B) Krakow, Poland
C) New York, USA
D) Paris, France
  • 70. What does research at Lake Ohrid provide evidence for?
A) The impact of deforestation on local wildlife
B) Niche-based assembly processes from a natural system
C) The effects of pollution on marine life
D) The benefits of overfishing
  • 71. What is the biggest current source of phosphorus in Lake Ohrid?
A) Industrial waste.
B) Household wastewater.
C) Agricultural runoff.
D) Natural sedimentation.
  • 72. At which annual meeting was the Declaration on the Protection of the Lake Ohrid Ecosystem passed?
A) 15th annual European meeting
B) 13th annual European meeting
C) 20th annual European meeting
D) 10th annual European meeting
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