What are the 3 main factors that affect lakes?

What are the 3 main factors that affect lakes? The following are some of the most important basic factors that give unique character to each lake ecosystem. Climate: Temperature, wind, precipitation, and solar radiation all critically affect the lake's hydrologic and chemical characteristics, and indirectly affect the composition of the biological community.

How old is the oldest lake?

Situated in south-east Siberia, the 3.15-million-ha Lake Baikal is the oldest (25 million years) and deepest (1,700 m) lake in the world. It contains 20% of the world's total unfrozen freshwater reserve.

What is the biggest threat to lakes?

Pollutants from residential, agricultural, and industrial areas reduce water quality. Land development decreases the amount of wildlife habitat. Fish populations have been declining in recent years as a result of these threats and increased fishing pressure.

What are 3 characteristics of a lake?

What are three facts about lakes?

There are 117 million lakes on Earth, covering 3.7 percent of the continental land surface. Most lakes are relatively small – 90 million lakes are less than two football fields in size. Most lakes lie low — 85 percent are at elevations less than 1,600 feet (500 meters) above sea level.

What are 5 facts about lake?

What is unique about lakes?

Salty or fresh, lakes are some of the only freely available water sources on land. Aside from rivers and streams, the rest of the world's freshwater is locked up in ice or trapped underground.

Can you swim in a lake?

Underwater Hazards Unlike controlled swimming pools, lakes often harbor hidden hazards beneath the surface. Submerged rocks, fallen trees, sharp branches, glass products, and other trash, or uneven terrain can cause injuries if swimmers are not cautious or are unaware of their presence.

What destroys the lakes?

Industrial water pollution sickens people and destroys river and lake ecosystems. We help citizens patrol rivers, identify pollution and pressure polluters to clean up their act. Dams destroy the ecology of rivers, worsen pollution problems, displace communities and contribute to climate change and flooding.

What country has the most lakes?

What is the largest lake in Europe?

Lake Ladoga, Russian Ladozhskoye Ozero or Ladozhskoe Ozero, largest lake in Europe, located in northwestern Russia about 25 miles (40 km) east of St. Petersburg.