The Surface 2 has a much lower value of 67, so its high ambient light performance will be significantly poorer. (displaymate.com)
But the majority of that land is currently being used or was recently used for agriculture, so even if those lands are of low value for biological conservation, they serve other interests. (bren.ucsb.edu)
Please use a graduated treat system, starting with lower value treats when possible for obedience training, and switch to high value treats when require for difficult emotional issues. (dogpsychologistoncall.com)