1 ฤดูกาล
8 ตอน
Great Lakes Wild - Season 1 Episode 6
What can the struggles of sturgeons and muskrats, two key Great Lakes species, tell us about the impact of upstream dams on the local ecosystem? Join conservationists as they assess the threats to the habitats of these animals and weigh options to counteract the damage before it's too late.
- ปี: 2015
- ประเทศ: Canada
- ประเภท: Documentary
- สตูดิโอ: Smithsonian Earth
- คำสำคัญ:
- ผู้อำนวยการ:
- นักแสดง: Michael Naphan
"
"
"
"
"
"
"
"
