Antarctic marine ecosystems undergo enormous changes. presumably due to climate change and fishery. Unmanned aerial vehicles (UAVs) have an unprecedented potential for measuring these changes by mapping indicator species such as penguins even in remote areas. We used a battery-powered fixed-wing UAV to survey colonies along a 30-km stretch of the remote coast of southwest King George ... https://www.freeebookfinder.com/product-category/stainless-steel-tig-rod/